====================================== | [ 5168.470242][ C2] hardirqs last enabled at (4856104): irqentry_exit (kernel/entry/common.c:352) | [ 5168.470535][ C2] hardirqs last disabled at (4856105): sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043) | [ 5168.470866][ C2] softirqs last enabled at (4804798): neigh_resolve_output (net/core/neighbour.c:1539 net/core/neighbour.c:1553 net/core/neighbour.c:1543) | [ 5168.471196][ C2] softirqs last disabled at (4804802): __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:833 net/core/dev.c:4260) [ 5168.471804][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 5168.472163][ C2] Workqueue: mld mld_ifc_work [ 5168.472424][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5168.472593][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 5168.473277][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 5168.473758][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 5168.474000][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 5168.474313][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 5168.474562][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 5168.474792][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 5168.475099][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 5168.475374][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5168.475571][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 5168.475889][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 5168.476123][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 5168.476360][ C2] PKRU: 55555554 [ 5168.476553][ C2] Call Trace: [ 5168.476672][ C2] [ 5168.476758][ C2] ? watchdog_timer_fn (kernel/watchdog.c:548) [ 5168.476933][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 5168.477102][ C2] ? __pfx_watchdog_timer_fn (kernel/watchdog.c:466) [ 5168.477354][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 5168.477515][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 5168.477688][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 5168.477853][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 5168.478141][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 5168.478303][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:545) [ 5168.478506][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 5168.478710][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 5168.479012][ C2] [ 5168.479095][ C2] [ 5168.479178][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 5168.479393][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5168.479551][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 5168.479744][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 5168.479910][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 5168.480066][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 5168.480188][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 5168.480343][ C2] ? eth_header (net/ethernet/eth.c:100) [ 5168.480502][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 5168.480658][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 5168.480822][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 5168.480985][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 5168.481175][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 5168.481302][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 5168.481466][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 5168.481778][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 5168.481940][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 5168.482097][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 5168.482258][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 5168.482444][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 5168.482679][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 5168.482880][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 5168.483079][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 5168.483311][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 5168.483475][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 5168.483641][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 5168.483807][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 5168.483973][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 5168.484207][ C2] process_one_work (kernel/workqueue.c:3254) [ 5168.484375][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 5168.484543][ C2] ? assign_work (kernel/workqueue.c:1209) [ 5168.484710][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 5168.484996][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 5168.485194][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5168.485348][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5168.485501][ C2] kthread (kernel/kthread.c:388) [ 5168.485622][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 5168.485777][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 5168.485937][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 5168.486090][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 5168.486275][ C2] | [ 5168.857773][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 5168.858093][ C2] rcu: 2-....: (1 GPs behind) idle=a8f4/1/0x4000000000000000 softirq=1873706/1873706 fqs=5323 | [ 5168.858756][ C2] rcu: (t=26001 jiffies g=3277105 q=6299 ncpus=4) [ 5168.859273][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 5168.859763][ C2] Workqueue: mld mld_ifc_work [ 5168.859940][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5168.860115][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 5168.860800][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 5168.861013][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 5168.861373][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 5168.861625][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 5168.861880][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 5168.862223][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 5168.862477][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 5168.862768][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5168.863101][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 5168.863358][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 5168.863609][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 5168.863861][ C2] PKRU: 55555554 [ 5168.863989][ C2] Call Trace: [ 5168.864117][ C2] [ 5168.864209][ C2] ? rcu_dump_cpu_stacks (kernel/rcu/tree_stall.h:379) [ 5168.864389][ C2] ? print_cpu_stall (kernel/rcu/tree_stall.h:699) [ 5168.864555][ C2] ? tick_nohz_handler (kernel/time/tick-sched.c:220 kernel/time/tick-sched.c:287) [ 5168.864728][ C2] ? check_cpu_stall (kernel/rcu/tree_stall.h:799 (discriminator 2)) [ 5168.864899][ C2] ? rcu_pending (kernel/rcu/tree.c:3941 (discriminator 31)) [ 5168.865071][ C2] ? rcu_sched_clock_irq (kernel/rcu/tree.c:2297 (discriminator 22)) [ 5168.865238][ C2] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 5168.865404][ C2] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 5168.865573][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 5168.865739][ C2] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 5168.866081][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 5168.866253][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 5168.866418][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 5168.866584][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 5168.866886][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 5168.867063][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:545) [ 5168.867271][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 5168.867479][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 5168.867688][ C2] [ 5168.867776][ C2] [ 5168.867863][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 5168.868082][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5168.868252][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 5168.868459][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 5168.868635][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 5168.868822][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 5168.868961][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 5168.869214][ C2] ? eth_header (net/ethernet/eth.c:100) [ 5168.869382][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 5168.869548][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 5168.869723][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 5168.870010][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 5168.870180][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 5168.870309][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 5168.870476][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 5168.870646][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 5168.870814][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 5168.870980][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 5168.871154][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 5168.871323][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 5168.871491][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 5168.871701][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 5168.871912][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 5168.872163][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 5168.872336][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 5168.872506][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 5168.872681][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 5168.872854][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 5168.873108][ C2] process_one_work (kernel/workqueue.c:3254) [ 5168.873285][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 5168.873459][ C2] ? assign_work (kernel/workqueue.c:1209) [ 5168.873634][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 5168.873896][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 5168.874107][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5168.874277][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5168.874440][ C2] kthread (kernel/kthread.c:388) [ 5168.874571][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 5168.874740][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 5168.874907][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 5168.875077][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 5196.470080][ C2] hardirqs last enabled at (4913524): irqentry_exit (kernel/entry/common.c:352) | [ 5196.470440][ C2] hardirqs last disabled at (4913525): sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043) | [ 5196.470756][ C2] softirqs last enabled at (4804798): neigh_resolve_output (net/core/neighbour.c:1539 net/core/neighbour.c:1553 net/core/neighbour.c:1543) | [ 5196.471164][ C2] softirqs last disabled at (4804802): __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:833 net/core/dev.c:4260) [ 5196.471719][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 5196.472152][ C2] Workqueue: mld mld_ifc_work [ 5196.472321][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5196.472490][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 5196.473130][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 5196.473330][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 5196.473645][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 5196.473887][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 5196.474201][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 5196.474445][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 5196.474683][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 5196.475042][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5196.475246][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 5196.475485][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 5196.475803][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 5196.476034][ C2] PKRU: 55555554 [ 5196.476153][ C2] Call Trace: [ 5196.476274][ C2] [ 5196.476405][ C2] ? watchdog_timer_fn (kernel/watchdog.c:548) [ 5196.476644][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 5196.476804][ C2] ? __pfx_watchdog_timer_fn (kernel/watchdog.c:466) [ 5196.476967][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 5196.477130][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 5196.477375][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 5196.477538][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 5196.477749][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 5196.477924][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:526 (discriminator 1)) [ 5196.478273][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 5196.478474][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 5196.478667][ C2] [ 5196.478748][ C2] [ 5196.478924][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 5196.479134][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5196.479293][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 5196.479491][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 5196.479653][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 5196.479809][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 5196.479933][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 5196.480090][ C2] ? eth_header (net/ethernet/eth.c:100) [ 5196.480248][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 5196.480480][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 5196.480646][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 5196.480818][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 5196.480995][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 5196.481198][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 5196.481358][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 5196.481515][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 5196.481676][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 5196.481917][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 5196.482081][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 5196.482243][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 5196.482407][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 5196.482688][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 5196.482882][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 5196.483041][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 5196.483207][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 5196.483449][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 5196.483615][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 5196.483785][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 5196.483947][ C2] process_one_work (kernel/workqueue.c:3254) [ 5196.484125][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 5196.484366][ C2] ? assign_work (kernel/workqueue.c:1209) [ 5196.484530][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 5196.484693][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 5196.484896][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5196.485135][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5196.485295][ C2] kthread (kernel/kthread.c:388) [ 5196.485418][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 5196.485579][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 5196.485818][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 5196.485979][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 5207.365798][ T18] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 34007 jiffies s: 809 root: 0x4/. | [ 5207.366265][ T18] rcu: blocking rcu_node structures (internal RCU debug): | [ 5207.366495][ T18] Sending NMI from CPU 0 to CPUs 2: | [ 5207.366641][ C2] NMI backtrace for cpu 2 [ 5207.366652][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 5207.366655][ C2] Workqueue: mld mld_ifc_work [ 5207.366664][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5207.366669][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 5207.366672][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 5207.366674][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 5207.366676][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 5207.366677][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 5207.366679][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 5207.366680][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 5207.366682][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 5207.366684][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5207.366687][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 5207.366688][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 5207.366690][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 5207.366691][ C2] PKRU: 55555554 [ 5207.366692][ C2] Call Trace: [ 5207.366695][ C2] [ 5207.366700][ C2] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 5207.366704][ C2] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 5207.366709][ C2] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 5207.366715][ C2] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 5207.366720][ C2] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 5207.366723][ C2] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 5207.366730][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5207.366733][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5207.366736][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5207.366738][ C2] [ 5207.366739][ C2] [ 5207.366740][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 5207.366745][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 5207.366753][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 5207.366756][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 5207.366759][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 5207.366763][ C2] ? eth_header (net/ethernet/eth.c:100) [ 5207.366768][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 5207.366772][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 5207.366779][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 5207.366786][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 5207.366791][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 5207.366795][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 5207.366799][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 5207.366802][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 5207.366805][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 5207.366808][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 5207.366812][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 5207.366815][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 5207.366818][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 5207.366823][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 5207.366826][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 5207.366828][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 5207.366833][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 5207.366838][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 5207.366843][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 5207.366847][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 5207.366851][ C2] process_one_work (kernel/workqueue.c:3254) [ 5207.366859][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 5207.366865][ C2] ? assign_work (kernel/workqueue.c:1209) [ 5207.366869][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 5207.366872][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 5207.366877][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5207.366880][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5207.366882][ C2] kthread (kernel/kthread.c:388) [ 5207.366886][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 5207.366889][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 5207.366892][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 5207.366895][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 5232.470142][ C2] hardirqs last enabled at (4985486): irqentry_exit (kernel/entry/common.c:352) | [ 5232.470429][ C2] hardirqs last disabled at (4985487): sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043) | [ 5232.470766][ C2] softirqs last enabled at (4804798): neigh_resolve_output (net/core/neighbour.c:1539 net/core/neighbour.c:1553 net/core/neighbour.c:1543) | [ 5232.471080][ C2] softirqs last disabled at (4804802): __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:833 net/core/dev.c:4260) [ 5232.471713][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 5232.472074][ C2] Workqueue: mld mld_ifc_work [ 5232.472322][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5232.472487][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 5232.473124][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 5232.473332][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 5232.473571][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 5232.473899][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 5232.474135][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 5232.474372][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 5232.474611][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 5232.474896][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5232.475092][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 5232.475328][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 5232.475561][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 5232.475797][ C2] PKRU: 55555554 [ 5232.475915][ C2] Call Trace: [ 5232.476031][ C2] [ 5232.476115][ C2] ? watchdog_timer_fn (kernel/watchdog.c:548) [ 5232.476276][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 5232.476433][ C2] ? __pfx_watchdog_timer_fn (kernel/watchdog.c:466) [ 5232.476672][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 5232.476832][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 5232.476994][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 5232.477151][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 5232.477426][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 5232.477589][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 5232.477784][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 5232.477982][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 5232.478250][ C2] [ 5232.478333][ C2] [ 5232.478414][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 5232.478618][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5232.478887][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 5232.479084][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 5232.479248][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 5232.479404][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 5232.479528][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 5232.479690][ C2] ? eth_header (net/ethernet/eth.c:100) [ 5232.479848][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 5232.480004][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 5232.480172][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 5232.480337][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 5232.480499][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 5232.480620][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 5232.480783][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 5232.481017][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 5232.481179][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 5232.481339][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 5232.481498][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 5232.481657][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 5232.481891][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 5232.482093][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 5232.482286][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 5232.482529][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 5232.482692][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 5232.482853][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 5232.483018][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 5232.483180][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 5232.483411][ C2] process_one_work (kernel/workqueue.c:3254) [ 5232.483580][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 5232.483742][ C2] ? assign_work (kernel/workqueue.c:1209) [ 5232.483901][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 5232.484137][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 5232.484332][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5232.484488][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5232.484646][ C2] kthread (kernel/kthread.c:388) [ 5232.484890][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 5232.485047][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 5232.485201][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 5232.485422][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 5232.485596][ C2] | [ 5246.877784][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 5246.878173][ C2] rcu: 2-....: (1 GPs behind) idle=a8f4/1/0x4000000000000000 softirq=1873706/1873706 fqs=21341 | [ 5246.878514][ C2] rcu: (t=104021 jiffies g=3277105 q=14387 ncpus=4) [ 5246.879105][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 5246.879594][ C2] Workqueue: mld mld_ifc_work [ 5246.879767][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5246.879936][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 5246.880615][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 5246.880837][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 5246.881166][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 5246.881411][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 5246.881656][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 5246.882022][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 5246.882284][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 5246.882570][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5246.882774][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 5246.883026][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 5246.883272][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 5246.883518][ C2] PKRU: 55555554 [ 5246.883641][ C2] Call Trace: [ 5246.883774][ C2] [ 5246.883861][ C2] ? rcu_dump_cpu_stacks (kernel/rcu/tree_stall.h:379) [ 5246.884201][ C2] ? print_cpu_stall (kernel/rcu/tree_stall.h:699) [ 5246.884366][ C2] ? tick_nohz_handler (kernel/time/tick-sched.c:220 kernel/time/tick-sched.c:287) [ 5246.884534][ C2] ? check_cpu_stall (kernel/rcu/tree_stall.h:799 (discriminator 2)) [ 5246.884700][ C2] ? rcu_pending (kernel/rcu/tree.c:3941 (discriminator 31)) [ 5246.884866][ C2] ? rcu_sched_clock_irq (kernel/rcu/tree.c:2297 (discriminator 22)) [ 5246.885113][ C2] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 5246.885275][ C2] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 5246.885444][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 5246.885606][ C2] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 5246.885858][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 5246.886023][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 5246.886183][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 5246.886348][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 5246.886642][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 5246.886811][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 5246.887017][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 5246.887239][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 5246.887532][ C2] [ 5246.887618][ C2] [ 5246.887706][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 5246.887928][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5246.888185][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 5246.888394][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 5246.888566][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 5246.888741][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 5246.888873][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 5246.889140][ C2] ? eth_header (net/ethernet/eth.c:100) [ 5246.889307][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 5246.889475][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 5246.889651][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 5246.889929][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 5246.890099][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 5246.890231][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 5246.890399][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 5246.890570][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 5246.890741][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 5246.890906][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 5246.891080][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 5246.891252][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 5246.891418][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 5246.891627][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 5246.891831][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 5246.892080][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 5246.892258][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 5246.892427][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 5246.892617][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 5246.892787][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 5246.893059][ C2] process_one_work (kernel/workqueue.c:3254) [ 5246.893238][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 5246.893412][ C2] ? assign_work (kernel/workqueue.c:1209) [ 5246.893582][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 5246.893758][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 5246.893963][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5246.894129][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5246.894290][ C2] kthread (kernel/kthread.c:388) [ 5246.894414][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 5246.894580][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 5246.894742][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 5246.894903][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 5272.470039][ C2] hardirqs last enabled at (5065440): irqentry_exit (kernel/entry/common.c:352) | [ 5272.470311][ C2] hardirqs last disabled at (5065441): sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043) | [ 5272.470793][ C2] softirqs last enabled at (4804798): neigh_resolve_output (net/core/neighbour.c:1539 net/core/neighbour.c:1553 net/core/neighbour.c:1543) | [ 5272.471097][ C2] softirqs last disabled at (4804802): __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:833 net/core/dev.c:4260) [ 5272.471715][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 5272.472143][ C2] Workqueue: mld mld_ifc_work [ 5272.472306][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5272.472465][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 5272.473095][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 5272.473290][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 5272.473533][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 5272.473759][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 5272.474077][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 5272.474304][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 5272.474534][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 5272.474797][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5272.474994][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 5272.475243][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 5272.475474][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 5272.475783][ C2] PKRU: 55555554 [ 5272.475901][ C2] Call Trace: [ 5272.476032][ C2] [ 5272.476116][ C2] ? watchdog_timer_fn (kernel/watchdog.c:548) [ 5272.476288][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 5272.476516][ C2] ? __pfx_watchdog_timer_fn (kernel/watchdog.c:466) [ 5272.476674][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 5272.476832][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 5272.476999][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 5272.477240][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 5272.477440][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 5272.477601][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 5272.477797][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 5272.478070][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 5272.478266][ C2] [ 5272.478346][ C2] [ 5272.478426][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 5272.478631][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5272.478791][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 5272.478985][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 5272.479146][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 5272.479390][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 5272.479511][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 5272.479665][ C2] ? eth_header (net/ethernet/eth.c:100) [ 5272.479820][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 5272.479977][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 5272.480212][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 5272.480373][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 5272.480532][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 5272.480680][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 5272.480940][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 5272.481097][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 5272.481254][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 5272.481410][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 5272.481576][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 5272.481731][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 5272.481896][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 5272.482087][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 5272.482278][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 5272.482427][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 5272.482586][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 5272.482744][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 5272.482982][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 5272.483160][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 5272.483317][ C2] process_one_work (kernel/workqueue.c:3254) [ 5272.483483][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 5272.483650][ C2] ? assign_work (kernel/workqueue.c:1209) [ 5272.483887][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 5272.484043][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 5272.484243][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5272.484400][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5272.484635][ C2] kthread (kernel/kthread.c:388) [ 5272.484754][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 5272.484910][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 5272.485062][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 5272.485287][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 5300.470082][ C2] hardirqs last enabled at (5121422): irqentry_exit (kernel/entry/common.c:352) | [ 5300.470461][ C2] hardirqs last disabled at (5121423): sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043) | [ 5300.470771][ C2] softirqs last enabled at (4804798): neigh_resolve_output (net/core/neighbour.c:1539 net/core/neighbour.c:1553 net/core/neighbour.c:1543) | [ 5300.471151][ C2] softirqs last disabled at (4804802): __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:833 net/core/dev.c:4260) [ 5300.471697][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 5300.472154][ C2] Workqueue: mld mld_ifc_work [ 5300.472317][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 5300.472478][ C2] Code: 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 29 f0 0f b7 c8 <39> ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 89 04 24 e8 All code ======== 0: 05 80 fa 03 7e add $0x7e03fa80,%eax 5: 36 8b 55 28 ss mov 0x28(%rbp),%edx 9: 44 39 ea cmp %r13d,%edx c: 76 15 jbe 0x23 e: 48 83 c4 10 add $0x10,%rsp 12: 5d pop %rbp 13: 41 5c pop %r12 15: 41 5d pop %r13 17: c3 ret 18: cc int3 19: cc int3 1a: cc int3 1b: cc int3 1c: 31 c0 xor %eax,%eax 1e: 45 31 ed xor %r13d,%r13d 21: eb 92 jmp 0xffffffffffffffb5 23: 89 d6 mov %edx,%esi 25: 29 f0 sub %esi,%eax 27: 0f b7 c8 movzwl %ax,%ecx 2a:* 39 ca cmp %ecx,%edx <-- trapping instruction 2c: 76 f7 jbe 0x25 2e: 48 83 c4 10 add $0x10,%rsp 32: 5d pop %rbp 33: 41 5c pop %r12 35: 41 5d pop %r13 37: c3 ret 38: cc int3 39: cc int3 3a: cc int3 3b: cc int3 3c: 89 04 24 mov %eax,(%rsp) 3f: e8 .byte 0xe8 Code starting with the faulting instruction =========================================== 0: 39 ca cmp %ecx,%edx 2: 76 f7 jbe 0xfffffffffffffffb 4: 48 83 c4 10 add $0x10,%rsp 8: 5d pop %rbp 9: 41 5c pop %r12 b: 41 5d pop %r13 d: c3 ret e: cc int3 f: cc int3 10: cc int3 11: cc int3 12: 89 04 24 mov %eax,(%rsp) 15: e8 .byte 0xe8 [ 5300.473024][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 5300.473222][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 5300.473446][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 5300.473677][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 5300.473905][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 5300.474132][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 5300.474362][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 5300.474706][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5300.474911][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 5300.475144][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 5300.475450][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 5300.475684][ C2] PKRU: 55555554 [ 5300.475808][ C2] Call Trace: [ 5300.475925][ C2] [ 5300.476093][ C2] ? watchdog_timer_fn (kernel/watchdog.c:548) [ 5300.476255][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 5300.476408][ C2] ? __pfx_watchdog_timer_fn (kernel/watchdog.c:466) [ 5300.476565][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 5300.476721][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 5300.476987][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 5300.477157][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 5300.477358][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 5300.477522][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 5300.477719][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 5300.477913][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 5300.478111][ C2] [ 5300.478192][ C2] [ 5300.478276][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 5300.478487][ C2] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 5300.478640][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 5300.478832][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 5300.479087][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 5300.479246][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 5300.479367][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 5300.479522][ C2] ? eth_header (net/ethernet/eth.c:100) [ 5300.479759][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 5300.479916][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 5300.480081][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 5300.480257][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 5300.480420][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 5300.480631][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 5300.480789][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 5300.480945][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 5300.481102][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 5300.481343][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 5300.481501][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 5300.481658][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 5300.481813][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 5300.482083][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 5300.482299][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 5300.482458][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 5300.482622][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 5300.482869][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 5300.483034][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 5300.483195][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 5300.483352][ C2] process_one_work (kernel/workqueue.c:3254) [ 5300.483524][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 5300.483688][ C2] ? assign_work (kernel/workqueue.c:1209) [ 5300.483847][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 5300.484003][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 5300.484204][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5300.484360][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5300.484519][ C2] kthread (kernel/kthread.c:388) [ 5300.484638][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 5300.484796][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 5300.484952][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 5300.485109][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 5305.669804][ T18] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 132311 jiffies s: 809 root: 0x4/. | [ 5305.670234][ T18] rcu: blocking rcu_node structures (internal RCU debug): | [ 5305.670445][ T18] Sending NMI from CPU 0 to CPUs 2: | [ 5305.670579][ C2] NMI backtrace for cpu 2 [ 5305.670590][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 5305.670593][ C2] Workqueue: mld mld_ifc_work [ 5305.670601][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5305.670606][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 5305.670609][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 5305.670611][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 5305.670613][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 5305.670615][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 5305.670616][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 5305.670618][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 5305.670619][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 5305.670621][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5305.670624][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 5305.670626][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 5305.670627][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 5305.670628][ C2] PKRU: 55555554 [ 5305.670629][ C2] Call Trace: [ 5305.670632][ C2] [ 5305.670637][ C2] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 5305.670642][ C2] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 5305.670647][ C2] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 5305.670652][ C2] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 5305.670657][ C2] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 5305.670659][ C2] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 5305.670667][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5305.670670][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5305.670673][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5305.670675][ C2] [ 5305.670676][ C2] [ 5305.670677][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 5305.670682][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 5305.670688][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 5305.670692][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 5305.670695][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 5305.670698][ C2] ? eth_header (net/ethernet/eth.c:100) [ 5305.670703][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 5305.670706][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 5305.670712][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 5305.670720][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 5305.670725][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 5305.670728][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 5305.670732][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 5305.670735][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 5305.670738][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 5305.670741][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 5305.670745][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 5305.670749][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 5305.670752][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 5305.670757][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 5305.670760][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 5305.670762][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 5305.670766][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 5305.670772][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 5305.670778][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 5305.670782][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 5305.670786][ C2] process_one_work (kernel/workqueue.c:3254) [ 5305.670793][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 5305.670799][ C2] ? assign_work (kernel/workqueue.c:1209) [ 5305.670803][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 5305.670806][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 5305.670811][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5305.670814][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5305.670817][ C2] kthread (kernel/kthread.c:388) [ 5305.670820][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 5305.670824][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 5305.670826][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 5305.670829][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 5305.670837][ C2] | [ 5324.897800][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 5324.898178][ C2] rcu: 2-....: (1 GPs behind) idle=a8f4/1/0x4000000000000000 softirq=1873706/1873706 fqs=37337 | [ 5324.898497][ C2] rcu: (t=182041 jiffies g=3277105 q=15846 ncpus=4) [ 5324.898993][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 5324.899351][ C2] Workqueue: mld mld_ifc_work [ 5324.899523][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5324.899691][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 5324.900378][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 5324.900586][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 5324.900830][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 5324.901164][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 5324.901413][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 5324.901665][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 5324.901996][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 5324.902275][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5324.902483][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 5324.902729][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 5324.902989][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 5324.903232][ C2] PKRU: 55555554 [ 5324.903357][ C2] Call Trace: [ 5324.903484][ C2] [ 5324.903572][ C2] ? rcu_dump_cpu_stacks (kernel/rcu/tree_stall.h:379) [ 5324.903745][ C2] ? print_cpu_stall (kernel/rcu/tree_stall.h:699) [ 5324.903997][ C2] ? tick_nohz_handler (kernel/time/tick-sched.c:220 kernel/time/tick-sched.c:287) [ 5324.904171][ C2] ? check_cpu_stall (kernel/rcu/tree_stall.h:799 (discriminator 2)) [ 5324.904341][ C2] ? rcu_pending (kernel/rcu/tree.c:3941 (discriminator 31)) [ 5324.904510][ C2] ? rcu_sched_clock_irq (kernel/rcu/tree.c:2297 (discriminator 22)) [ 5324.904680][ C2] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 5324.904939][ C2] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 5324.905106][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 5324.905269][ C2] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 5324.905445][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 5324.905615][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 5324.905781][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 5324.905962][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 5324.906173][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 5324.906346][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 5324.906554][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 5324.906766][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 5324.907061][ C2] [ 5324.907146][ C2] [ 5324.907241][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 5324.907455][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5324.907621][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 5324.907949][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 5324.908128][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 5324.908293][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 5324.908424][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 5324.908594][ C2] ? eth_header (net/ethernet/eth.c:100) [ 5324.908767][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 5324.908933][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 5324.909110][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 5324.909290][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 5324.909456][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 5324.909581][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 5324.909745][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 5324.909909][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 5324.910157][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 5324.910342][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 5324.910524][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 5324.910690][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 5324.910858][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 5324.911153][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 5324.911357][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 5324.911526][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 5324.911896][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 5324.912066][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 5324.912239][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 5324.912410][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 5324.912580][ C2] process_one_work (kernel/workqueue.c:3254) [ 5324.912766][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 5324.912941][ C2] ? assign_work (kernel/workqueue.c:1209) [ 5324.913116][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 5324.913285][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 5324.913495][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5324.913662][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5324.913840][ C2] kthread (kernel/kthread.c:388) [ 5324.913964][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 5324.914212][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 5324.914374][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 5324.914556][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 5352.469981][ C2] hardirqs last enabled at (5225358): irqentry_exit (kernel/entry/common.c:352) | [ 5352.470266][ C2] hardirqs last disabled at (5225359): sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043) | [ 5352.470648][ C2] softirqs last enabled at (4804798): neigh_resolve_output (net/core/neighbour.c:1539 net/core/neighbour.c:1553 net/core/neighbour.c:1543) | [ 5352.470953][ C2] softirqs last disabled at (4804802): __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:833 net/core/dev.c:4260) [ 5352.471575][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 5352.471921][ C2] Workqueue: mld mld_ifc_work [ 5352.472164][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5352.472323][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 5352.473346][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 5352.473539][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 5352.473766][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 5352.473997][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 5352.474240][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 5352.474479][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 5352.474712][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 5352.474982][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5352.475180][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 5352.475412][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 5352.475645][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 5352.475954][ C2] PKRU: 55555554 [ 5352.476072][ C2] Call Trace: [ 5352.476192][ C2] [ 5352.476275][ C2] ? watchdog_timer_fn (kernel/watchdog.c:548) [ 5352.476440][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 5352.476592][ C2] ? __pfx_watchdog_timer_fn (kernel/watchdog.c:466) [ 5352.476826][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 5352.476986][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 5352.477141][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 5352.477294][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 5352.477585][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 5352.477748][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 5352.477944][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 5352.478295][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 5352.478489][ C2] [ 5352.478569][ C2] [ 5352.478650][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 5352.478852][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5352.479089][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 5352.479291][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 5352.479452][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 5352.479607][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 5352.479830][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 5352.479987][ C2] ? eth_header (net/ethernet/eth.c:100) [ 5352.480159][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 5352.480325][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 5352.480494][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 5352.480656][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 5352.480817][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 5352.480938][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 5352.481099][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 5352.481260][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 5352.481439][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 5352.481592][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 5352.481747][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 5352.481903][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 5352.482058][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 5352.482248][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 5352.482445][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 5352.482691][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 5352.482852][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 5352.483012][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 5352.483176][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 5352.483418][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 5352.483577][ C2] process_one_work (kernel/workqueue.c:3254) [ 5352.483743][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 5352.483906][ C2] ? assign_work (kernel/workqueue.c:1209) [ 5352.484068][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 5352.484298][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 5352.484504][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5352.484664][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5352.484818][ C2] kthread (kernel/kthread.c:388) [ 5352.485009][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 5352.485164][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 5352.485318][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 5352.485474][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 5380.470023][ C2] hardirqs last enabled at (5281338): irqentry_exit (kernel/entry/common.c:352) | [ 5380.470310][ C2] hardirqs last disabled at (5281339): sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043) | [ 5380.470694][ C2] softirqs last enabled at (4804798): neigh_resolve_output (net/core/neighbour.c:1539 net/core/neighbour.c:1553 net/core/neighbour.c:1543) | [ 5380.471000][ C2] softirqs last disabled at (4804802): __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:833 net/core/dev.c:4260) [ 5380.471618][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 5380.472046][ C2] Workqueue: mld mld_ifc_work [ 5380.472207][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 5380.472367][ C2] Code: 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 29 f0 0f b7 c8 <39> ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 89 04 24 e8 All code ======== 0: 05 80 fa 03 7e add $0x7e03fa80,%eax 5: 36 8b 55 28 ss mov 0x28(%rbp),%edx 9: 44 39 ea cmp %r13d,%edx c: 76 15 jbe 0x23 e: 48 83 c4 10 add $0x10,%rsp 12: 5d pop %rbp 13: 41 5c pop %r12 15: 41 5d pop %r13 17: c3 ret 18: cc int3 19: cc int3 1a: cc int3 1b: cc int3 1c: 31 c0 xor %eax,%eax 1e: 45 31 ed xor %r13d,%r13d 21: eb 92 jmp 0xffffffffffffffb5 23: 89 d6 mov %edx,%esi 25: 29 f0 sub %esi,%eax 27: 0f b7 c8 movzwl %ax,%ecx 2a:* 39 ca cmp %ecx,%edx <-- trapping instruction 2c: 76 f7 jbe 0x25 2e: 48 83 c4 10 add $0x10,%rsp 32: 5d pop %rbp 33: 41 5c pop %r12 35: 41 5d pop %r13 37: c3 ret 38: cc int3 39: cc int3 3a: cc int3 3b: cc int3 3c: 89 04 24 mov %eax,(%rsp) 3f: e8 .byte 0xe8 Code starting with the faulting instruction =========================================== 0: 39 ca cmp %ecx,%edx 2: 76 f7 jbe 0xfffffffffffffffb 4: 48 83 c4 10 add $0x10,%rsp 8: 5d pop %rbp 9: 41 5c pop %r12 b: 41 5d pop %r13 d: c3 ret e: cc int3 f: cc int3 10: cc int3 11: cc int3 12: 89 04 24 mov %eax,(%rsp) 15: e8 .byte 0xe8 [ 5380.472981][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 5380.473176][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 5380.473557][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 5380.473786][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 5380.474017][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 5380.474321][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 5380.474551][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 5380.474814][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5380.475082][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 5380.475332][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 5380.475566][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 5380.475872][ C2] PKRU: 55555554 [ 5380.475991][ C2] Call Trace: [ 5380.476108][ C2] [ 5380.476192][ C2] ? watchdog_timer_fn (kernel/watchdog.c:548) [ 5380.476431][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 5380.476588][ C2] ? __pfx_watchdog_timer_fn (kernel/watchdog.c:466) [ 5380.476753][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 5380.476913][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 5380.477072][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 5380.477305][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 5380.477506][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 5380.477667][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 5380.477951][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 5380.478145][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 5380.478337][ C2] [ 5380.478416][ C2] [ 5380.478495][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 5380.478770][ C2] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 5380.478929][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 5380.479122][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 5380.479280][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 5380.479510][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 5380.479629][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 5380.479783][ C2] ? eth_header (net/ethernet/eth.c:100) [ 5380.479942][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 5380.480195][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 5380.480357][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 5380.480521][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 5380.480681][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 5380.480801][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 5380.481038][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 5380.481198][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 5380.481363][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 5380.481517][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 5380.481746][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 5380.481899][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 5380.482070][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 5380.482267][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 5380.482537][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 5380.482689][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 5380.482849][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 5380.483009][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 5380.483259][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 5380.483421][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 5380.483577][ C2] process_one_work (kernel/workqueue.c:3254) [ 5380.483754][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 5380.483995][ C2] ? assign_work (kernel/workqueue.c:1209) [ 5380.484153][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 5380.484308][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 5380.484510][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5380.484747][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5380.484910][ C2] kthread (kernel/kthread.c:388) [ 5380.485027][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 5380.485183][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 5380.485338][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 5380.485641][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 5380.485823][ C2] | [ 5402.917790][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 5402.918153][ C2] rcu: 2-....: (1 GPs behind) idle=a8f4/1/0x4000000000000000 softirq=1873706/1873706 fqs=53337 | [ 5402.918585][ C2] rcu: (t=260061 jiffies g=3277105 q=16985 ncpus=4) [ 5402.919169][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 5402.919543][ C2] Workqueue: mld mld_ifc_work [ 5402.919714][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 5402.919988][ C2] Code: 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 29 f0 0f b7 c8 <39> ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 89 04 24 e8 All code ======== 0: 05 80 fa 03 7e add $0x7e03fa80,%eax 5: 36 8b 55 28 ss mov 0x28(%rbp),%edx 9: 44 39 ea cmp %r13d,%edx c: 76 15 jbe 0x23 e: 48 83 c4 10 add $0x10,%rsp 12: 5d pop %rbp 13: 41 5c pop %r12 15: 41 5d pop %r13 17: c3 ret 18: cc int3 19: cc int3 1a: cc int3 1b: cc int3 1c: 31 c0 xor %eax,%eax 1e: 45 31 ed xor %r13d,%r13d 21: eb 92 jmp 0xffffffffffffffb5 23: 89 d6 mov %edx,%esi 25: 29 f0 sub %esi,%eax 27: 0f b7 c8 movzwl %ax,%ecx 2a:* 39 ca cmp %ecx,%edx <-- trapping instruction 2c: 76 f7 jbe 0x25 2e: 48 83 c4 10 add $0x10,%rsp 32: 5d pop %rbp 33: 41 5c pop %r12 35: 41 5d pop %r13 37: c3 ret 38: cc int3 39: cc int3 3a: cc int3 3b: cc int3 3c: 89 04 24 mov %eax,(%rsp) 3f: e8 .byte 0xe8 Code starting with the faulting instruction =========================================== 0: 39 ca cmp %ecx,%edx 2: 76 f7 jbe 0xfffffffffffffffb 4: 48 83 c4 10 add $0x10,%rsp 8: 5d pop %rbp 9: 41 5c pop %r12 b: 41 5d pop %r13 d: c3 ret e: cc int3 f: cc int3 10: cc int3 11: cc int3 12: 89 04 24 mov %eax,(%rsp) 15: e8 .byte 0xe8 [ 5402.920564][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 5402.920865][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 5402.921110][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 5402.921357][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 5402.921690][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 5402.921935][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 5402.922179][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 5402.922553][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5402.922759][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 5402.923011][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 5402.923344][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 5402.923592][ C2] PKRU: 55555554 [ 5402.923715][ C2] Call Trace: [ 5402.923924][ C2] [ 5402.924011][ C2] ? rcu_dump_cpu_stacks (kernel/rcu/tree_stall.h:379) [ 5402.924185][ C2] ? print_cpu_stall (kernel/rcu/tree_stall.h:699) [ 5402.924349][ C2] ? tick_nohz_handler (kernel/time/tick-sched.c:220 kernel/time/tick-sched.c:287) [ 5402.924533][ C2] ? check_cpu_stall (kernel/rcu/tree_stall.h:799 (discriminator 2)) [ 5402.924786][ C2] ? rcu_pending (kernel/rcu/tree.c:3941 (discriminator 31)) [ 5402.924950][ C2] ? rcu_sched_clock_irq (kernel/rcu/tree.c:2297 (discriminator 22)) [ 5402.925111][ C2] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 5402.925273][ C2] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 5402.925521][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 5402.925682][ C2] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 5402.925850][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 5402.926017][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 5402.926180][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 5402.926423][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 5402.926630][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 5402.926798][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 5402.927087][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 5402.927287][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 5402.927489][ C2] [ 5402.927573][ C2] [ 5402.927656][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 5402.927979][ C2] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 5402.928147][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 5402.928350][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 5402.928534][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 5402.928708][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 5402.928841][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 5402.929008][ C2] ? eth_header (net/ethernet/eth.c:100) [ 5402.929174][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 5402.929343][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 5402.929518][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 5402.929690][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 5402.929862][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 5402.929994][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 5402.930330][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 5402.930501][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 5402.930668][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 5402.930831][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 5402.931082][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 5402.931249][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 5402.931415][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 5402.931900][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 5402.932187][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 5402.932351][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 5402.932517][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 5402.932684][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 5402.932982][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 5402.933157][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 5402.933324][ C2] process_one_work (kernel/workqueue.c:3254) [ 5402.933500][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 5402.933673][ C2] ? assign_work (kernel/workqueue.c:1209) [ 5402.933844][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 5402.934010][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 5402.934221][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5402.934388][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5402.934562][ C2] kthread (kernel/kthread.c:388) [ 5402.934684][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 5402.934851][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 5402.935014][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 5402.935286][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 5403.973797][ T18] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 230615 jiffies s: 809 root: 0x4/. | [ 5403.974163][ T18] rcu: blocking rcu_node structures (internal RCU debug): | [ 5403.974367][ T18] Sending NMI from CPU 0 to CPUs 2: | [ 5403.974497][ C2] NMI backtrace for cpu 2 [ 5403.974504][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 5403.974507][ C2] Workqueue: mld mld_ifc_work [ 5403.974511][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5403.974515][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 5403.974517][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 5403.974519][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 5403.974521][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 5403.974522][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 5403.974524][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 5403.974525][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 5403.974526][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 5403.974528][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5403.974531][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 5403.974532][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 5403.974533][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 5403.974534][ C2] PKRU: 55555554 [ 5403.974535][ C2] Call Trace: [ 5403.974537][ C2] [ 5403.974539][ C2] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 5403.974543][ C2] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 5403.974548][ C2] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 5403.974553][ C2] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 5403.974557][ C2] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 5403.974560][ C2] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 5403.974567][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5403.974570][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5403.974573][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5403.974575][ C2] [ 5403.974576][ C2] [ 5403.974577][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 5403.974580][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 5403.974586][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 5403.974589][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 5403.974593][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 5403.974596][ C2] ? eth_header (net/ethernet/eth.c:100) [ 5403.974600][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 5403.974603][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 5403.974610][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 5403.974617][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 5403.974621][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 5403.974625][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 5403.974628][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 5403.974631][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 5403.974634][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 5403.974636][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 5403.974640][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 5403.974642][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 5403.974645][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 5403.974650][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 5403.974653][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 5403.974654][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 5403.974658][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 5403.974663][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 5403.974668][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 5403.974672][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 5403.974675][ C2] process_one_work (kernel/workqueue.c:3254) [ 5403.974681][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 5403.974687][ C2] ? assign_work (kernel/workqueue.c:1209) [ 5403.974690][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 5403.974693][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 5403.974698][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5403.974701][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5403.974704][ C2] kthread (kernel/kthread.c:388) [ 5403.974706][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 5403.974709][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 5403.974711][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 5403.974713][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 5428.470057][ C2] hardirqs last enabled at (5377272): irqentry_exit (kernel/entry/common.c:352) | [ 5428.470403][ C2] hardirqs last disabled at (5377273): sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043) | [ 5428.470709][ C2] softirqs last enabled at (4804798): neigh_resolve_output (net/core/neighbour.c:1539 net/core/neighbour.c:1553 net/core/neighbour.c:1543) | [ 5428.471095][ C2] softirqs last disabled at (4804802): __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:833 net/core/dev.c:4260) [ 5428.471716][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 5428.472063][ C2] Workqueue: mld mld_ifc_work [ 5428.472236][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5428.472477][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 5428.473026][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 5428.473303][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 5428.473534][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 5428.473769][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 5428.474110][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 5428.474341][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 5428.474572][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 5428.474840][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5428.475038][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 5428.475277][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 5428.475508][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 5428.475739][ C2] PKRU: 55555554 [ 5428.475858][ C2] Call Trace: [ 5428.475976][ C2] [ 5428.476059][ C2] ? watchdog_timer_fn (kernel/watchdog.c:548) [ 5428.476223][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 5428.476381][ C2] ? __pfx_watchdog_timer_fn (kernel/watchdog.c:466) [ 5428.476542][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 5428.476790][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 5428.476946][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 5428.477100][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 5428.477296][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 5428.477535][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 5428.477729][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 5428.477920][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 5428.478183][ C2] [ 5428.478261][ C2] [ 5428.478341][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 5428.478563][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5428.478723][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 5428.478996][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 5428.479162][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 5428.479317][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 5428.479439][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 5428.479675][ C2] ? eth_header (net/ethernet/eth.c:100) [ 5428.479839][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 5428.479998][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 5428.480165][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 5428.480333][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 5428.480571][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 5428.480694][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 5428.480857][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 5428.481015][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 5428.481256][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 5428.481409][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 5428.481565][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 5428.481719][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 5428.481956][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 5428.482150][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 5428.482340][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 5428.482491][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 5428.482724][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 5428.482882][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 5428.483046][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 5428.483205][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 5428.483457][ C2] process_one_work (kernel/workqueue.c:3254) [ 5428.483624][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 5428.483788][ C2] ? assign_work (kernel/workqueue.c:1209) [ 5428.483947][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 5428.484106][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 5428.484383][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5428.484542][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5428.484700][ C2] kthread (kernel/kthread.c:388) [ 5428.484820][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 5428.485053][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 5428.485222][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 5428.485387][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 5456.469949][ C2] hardirqs last enabled at (5433252): irqentry_exit (kernel/entry/common.c:352) | [ 5456.470219][ C2] hardirqs last disabled at (5433253): sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043) | [ 5456.470527][ C2] softirqs last enabled at (4804798): neigh_resolve_output (net/core/neighbour.c:1539 net/core/neighbour.c:1553 net/core/neighbour.c:1543) | [ 5456.470837][ C2] softirqs last disabled at (4804802): __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:833 net/core/dev.c:4260) [ 5456.471381][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 5456.471722][ C2] Workqueue: mld mld_ifc_work [ 5456.471984][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5456.472144][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 5456.472696][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 5456.472893][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 5456.473122][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 5456.473356][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 5456.473585][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 5456.473818][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 5456.474048][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 5456.474322][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5456.474590][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 5456.474819][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 5456.475046][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 5456.475344][ C2] PKRU: 55555554 [ 5456.475457][ C2] Call Trace: [ 5456.475588][ C2] [ 5456.475672][ C2] ? watchdog_timer_fn (kernel/watchdog.c:548) [ 5456.475835][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 5456.476066][ C2] ? __pfx_watchdog_timer_fn (kernel/watchdog.c:466) [ 5456.476223][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 5456.476382][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 5456.476537][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 5456.476691][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 5456.476987][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 5456.477158][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 5456.477349][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 5456.477542][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 5456.477730][ C2] [ 5456.477809][ C2] [ 5456.477891][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 5456.478090][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5456.478245][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 5456.478440][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 5456.478612][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 5456.478767][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 5456.478890][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 5456.479047][ C2] ? eth_header (net/ethernet/eth.c:100) [ 5456.479204][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 5456.479360][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 5456.479603][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 5456.479772][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 5456.479937][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 5456.480057][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 5456.480218][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 5456.480527][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 5456.480683][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 5456.480838][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 5456.481000][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 5456.481254][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 5456.481412][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 5456.481605][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 5456.481799][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 5456.482031][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 5456.482192][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 5456.482356][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 5456.482529][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 5456.482765][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 5456.482920][ C2] process_one_work (kernel/workqueue.c:3254) [ 5456.483084][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 5456.483245][ C2] ? assign_work (kernel/workqueue.c:1209) [ 5456.483493][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 5456.483649][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 5456.483845][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5456.484001][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5456.484240][ C2] kthread (kernel/kthread.c:388) [ 5456.484359][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 5456.484520][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 5456.484676][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 5456.484832][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 5456.485081][ C2] | [ 5480.938773][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 5480.939141][ C2] rcu: 2-....: (1 GPs behind) idle=a8f4/1/0x4000000000000000 softirq=1873706/1873706 fqs=69337 | [ 5480.939573][ C2] rcu: (t=338082 jiffies g=3277105 q=18444 ncpus=4) [ 5480.940064][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 5480.940525][ C2] Workqueue: mld mld_ifc_work [ 5480.940698][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5480.940870][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 5480.941531][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 5480.941745][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 5480.942077][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 5480.942324][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 5480.942568][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 5480.942905][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 5480.943147][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 5480.943520][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5480.943725][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 5480.943972][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 5480.944300][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 5480.944543][ C2] PKRU: 55555554 [ 5480.944665][ C2] Call Trace: [ 5480.944788][ C2] [ 5480.944878][ C2] ? rcu_dump_cpu_stacks (kernel/rcu/tree_stall.h:379) [ 5480.945139][ C2] ? print_cpu_stall (kernel/rcu/tree_stall.h:699) [ 5480.945305][ C2] ? tick_nohz_handler (kernel/time/tick-sched.c:220 kernel/time/tick-sched.c:287) [ 5480.945474][ C2] ? check_cpu_stall (kernel/rcu/tree_stall.h:799 (discriminator 2)) [ 5480.945641][ C2] ? rcu_pending (kernel/rcu/tree.c:3941 (discriminator 31)) [ 5480.945913][ C2] ? rcu_sched_clock_irq (kernel/rcu/tree.c:2297 (discriminator 22)) [ 5480.946080][ C2] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 5480.946247][ C2] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 5480.946420][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 5480.946586][ C2] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 5480.946753][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 5480.946923][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 5480.947088][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 5480.947254][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 5480.947555][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 5480.947729][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 5480.947938][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 5480.948227][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 5480.948434][ C2] [ 5480.948518][ C2] [ 5480.948606][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 5480.948820][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5480.949074][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 5480.949283][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 5480.949453][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 5480.949624][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 5480.949845][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 5480.950011][ C2] ? eth_header (net/ethernet/eth.c:100) [ 5480.950178][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 5480.950345][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 5480.950524][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 5480.950697][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 5480.950870][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 5480.951001][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 5480.951167][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 5480.951332][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 5480.951500][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 5480.951664][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 5480.951831][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 5480.952087][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 5480.952256][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 5480.952460][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 5480.952666][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 5480.952930][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 5480.953100][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 5480.953272][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 5480.953446][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 5480.953618][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 5480.953785][ C2] process_one_work (kernel/workqueue.c:3254) [ 5480.953963][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 5480.954136][ C2] ? assign_work (kernel/workqueue.c:1209) [ 5480.954308][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 5480.954472][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 5480.954680][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5480.954849][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5480.955101][ C2] kthread (kernel/kthread.c:388) [ 5480.955232][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 5480.955403][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 5480.955568][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 5480.955733][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 5502.277802][ T18] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 328919 jiffies s: 809 root: 0x4/. | [ 5502.278248][ T18] rcu: blocking rcu_node structures (internal RCU debug): | [ 5502.278418][ T18] Sending NMI from CPU 0 to CPUs 2: | [ 5502.278550][ C2] NMI backtrace for cpu 2 [ 5502.278561][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 5502.278565][ C2] Workqueue: mld mld_ifc_work [ 5502.278573][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5502.278578][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 5502.278580][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 5502.278583][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 5502.278584][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 5502.278586][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 5502.278588][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 5502.278589][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 5502.278591][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 5502.278593][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5502.278596][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 5502.278598][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 5502.278599][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 5502.278600][ C2] PKRU: 55555554 [ 5502.278601][ C2] Call Trace: [ 5502.278604][ C2] [ 5502.278608][ C2] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 5502.278612][ C2] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 5502.278618][ C2] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 5502.278623][ C2] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 5502.278627][ C2] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 5502.278630][ C2] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 5502.278638][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5502.278641][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5502.278644][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5502.278646][ C2] [ 5502.278647][ C2] [ 5502.278648][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 5502.278653][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 5502.278659][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 5502.278663][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 5502.278666][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 5502.278669][ C2] ? eth_header (net/ethernet/eth.c:100) [ 5502.278675][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 5502.278678][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 5502.278684][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 5502.278692][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 5502.278697][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 5502.278701][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 5502.278704][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 5502.278708][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 5502.278711][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 5502.278713][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 5502.278717][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 5502.278721][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 5502.278723][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 5502.278728][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 5502.278731][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 5502.278733][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 5502.278738][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 5502.278742][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 5502.278748][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 5502.278752][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 5502.278756][ C2] process_one_work (kernel/workqueue.c:3254) [ 5502.278765][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 5502.278772][ C2] ? assign_work (kernel/workqueue.c:1209) [ 5502.278776][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 5502.278779][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 5502.278784][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5502.278788][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5502.278790][ C2] kthread (kernel/kthread.c:388) [ 5502.278794][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 5502.278797][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 5502.278800][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 5502.278802][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 5528.470050][ C2] hardirqs last enabled at (5577200): irqentry_exit (kernel/entry/common.c:352) | [ 5528.470393][ C2] hardirqs last disabled at (5577201): sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043) | [ 5528.470711][ C2] softirqs last enabled at (4804798): neigh_resolve_output (net/core/neighbour.c:1539 net/core/neighbour.c:1553 net/core/neighbour.c:1543) | [ 5528.471084][ C2] softirqs last disabled at (4804802): __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:833 net/core/dev.c:4260) [ 5528.471635][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 5528.472060][ C2] Workqueue: mld mld_ifc_work [ 5528.472225][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5528.472386][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 5528.472933][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 5528.473133][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 5528.473364][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 5528.473593][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 5528.473838][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 5528.474086][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 5528.474320][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 5528.474666][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5528.474863][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 5528.475096][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 5528.475404][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 5528.475637][ C2] PKRU: 55555554 [ 5528.475753][ C2] Call Trace: [ 5528.475874][ C2] [ 5528.476036][ C2] ? watchdog_timer_fn (kernel/watchdog.c:548) [ 5528.476197][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 5528.476352][ C2] ? __pfx_watchdog_timer_fn (kernel/watchdog.c:466) [ 5528.476510][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 5528.476669][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 5528.476920][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 5528.477076][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 5528.477272][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 5528.477432][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 5528.477624][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 5528.477814][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 5528.478007][ C2] [ 5528.478086][ C2] [ 5528.478167][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 5528.478366][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5528.478520][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 5528.478712][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 5528.478869][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 5528.479025][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 5528.479144][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 5528.479296][ C2] ? eth_header (net/ethernet/eth.c:100) [ 5528.479557][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 5528.479712][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 5528.479877][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 5528.480043][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 5528.480205][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 5528.480401][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 5528.480558][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 5528.480722][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 5528.480880][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 5528.481200][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 5528.481360][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 5528.481515][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 5528.481671][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 5528.481943][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 5528.482147][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 5528.482300][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 5528.482460][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 5528.482691][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 5528.482850][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 5528.483020][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 5528.483175][ C2] process_one_work (kernel/workqueue.c:3254) [ 5528.483417][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 5528.483583][ C2] ? assign_work (kernel/workqueue.c:1209) [ 5528.483741][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 5528.483898][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 5528.484186][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5528.484340][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5528.484490][ C2] kthread (kernel/kthread.c:388) [ 5528.484609][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 5528.484782][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 5528.485011][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 5528.485165][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 5556.470117][ C2] hardirqs last enabled at (5633182): irqentry_exit (kernel/entry/common.c:352) | [ 5556.470387][ C2] hardirqs last disabled at (5633183): sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043) | [ 5556.470706][ C2] softirqs last enabled at (4804798): neigh_resolve_output (net/core/neighbour.c:1539 net/core/neighbour.c:1553 net/core/neighbour.c:1543) | [ 5556.471117][ C2] softirqs last disabled at (4804802): __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:833 net/core/dev.c:4260) [ 5556.471670][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 5556.472014][ C2] Workqueue: mld mld_ifc_work [ 5556.472176][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5556.472335][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 5556.472881][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 5556.473082][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 5556.473314][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 5556.473637][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 5556.473876][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 5556.474101][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 5556.474405][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 5556.474671][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5556.474861][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 5556.475177][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 5556.475406][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 5556.475642][ C2] PKRU: 55555554 [ 5556.475859][ C2] Call Trace: [ 5556.475976][ C2] [ 5556.476059][ C2] ? watchdog_timer_fn (kernel/watchdog.c:548) [ 5556.476220][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 5556.476381][ C2] ? __pfx_watchdog_timer_fn (kernel/watchdog.c:466) [ 5556.476542][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 5556.476703][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 5556.476866][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 5556.477022][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 5556.477232][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 5556.477391][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 5556.477583][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 5556.477777][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 5556.478043][ C2] [ 5556.478124][ C2] [ 5556.478203][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 5556.478401][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5556.478555][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 5556.478841][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 5556.479005][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 5556.479160][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 5556.479289][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 5556.479526][ C2] ? eth_header (net/ethernet/eth.c:100) [ 5556.479686][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 5556.479844][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 5556.480016][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 5556.480255][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 5556.480415][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 5556.480536][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 5556.480695][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 5556.480852][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 5556.481098][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 5556.481254][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 5556.481410][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 5556.481563][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 5556.481794][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 5556.481985][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 5556.482192][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 5556.482346][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 5556.482585][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 5556.482744][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 5556.482910][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 5556.483072][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 5556.483310][ C2] process_one_work (kernel/workqueue.c:3254) [ 5556.483478][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 5556.483639][ C2] ? assign_work (kernel/workqueue.c:1209) [ 5556.483796][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 5556.484026][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 5556.484223][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5556.484377][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5556.484531][ C2] kthread (kernel/kthread.c:388) [ 5556.484648][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 5556.484874][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 5556.485025][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 5556.485181][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 5556.485364][ C2] | [ 5558.958784][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 5558.959090][ C2] rcu: 2-....: (1 GPs behind) idle=a8f4/1/0x4000000000000000 softirq=1873706/1873706 fqs=85321 | [ 5558.959435][ C2] rcu: (t=416102 jiffies g=3277105 q=19903 ncpus=4) [ 5558.960009][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 5558.960466][ C2] Workqueue: mld mld_ifc_work [ 5558.960640][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5558.960810][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 5558.961486][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 5558.961690][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 5558.962098][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 5558.962338][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 5558.962612][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 5558.962974][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 5558.963222][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 5558.963503][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5558.963713][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 5558.963964][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 5558.964204][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 5558.964445][ C2] PKRU: 55555554 [ 5558.964567][ C2] Call Trace: [ 5558.964691][ C2] [ 5558.964776][ C2] ? rcu_dump_cpu_stacks (kernel/rcu/tree_stall.h:379) [ 5558.964947][ C2] ? print_cpu_stall (kernel/rcu/tree_stall.h:699) [ 5558.965107][ C2] ? tick_nohz_handler (kernel/time/tick-sched.c:220 kernel/time/tick-sched.c:287) [ 5558.965275][ C2] ? check_cpu_stall (kernel/rcu/tree_stall.h:799 (discriminator 2)) [ 5558.965440][ C2] ? rcu_pending (kernel/rcu/tree.c:3941 (discriminator 31)) [ 5558.965603][ C2] ? rcu_sched_clock_irq (kernel/rcu/tree.c:2297 (discriminator 22)) [ 5558.965864][ C2] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 5558.966027][ C2] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 5558.966192][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 5558.966371][ C2] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 5558.966542][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 5558.966709][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 5558.966878][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 5558.967046][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 5558.967257][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 5558.967428][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 5558.967638][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 5558.967844][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 5558.968133][ C2] [ 5558.968216][ C2] [ 5558.968299][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 5558.968516][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5558.968681][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 5558.968997][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 5558.969173][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 5558.969342][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 5558.969470][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 5558.969639][ C2] ? eth_header (net/ethernet/eth.c:100) [ 5558.969804][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 5558.969973][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 5558.970150][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 5558.970322][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 5558.970492][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 5558.970621][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 5558.970787][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 5558.970961][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 5558.971208][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 5558.971392][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 5558.971559][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 5558.971725][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 5558.971975][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 5558.972182][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 5558.972384][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 5558.972549][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 5558.972824][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 5558.972996][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 5558.973169][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 5558.973338][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 5558.973586][ C2] process_one_work (kernel/workqueue.c:3254) [ 5558.973763][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 5558.973934][ C2] ? assign_work (kernel/workqueue.c:1209) [ 5558.974100][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 5558.974433][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 5558.974652][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5558.974816][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5558.974980][ C2] kthread (kernel/kthread.c:388) [ 5558.975105][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 5558.975353][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 5558.975513][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 5558.975674][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 5584.470082][ C2] hardirqs last enabled at (5689130): irqentry_exit (kernel/entry/common.c:352) | [ 5584.470355][ C2] hardirqs last disabled at (5689131): sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043) | [ 5584.470669][ C2] softirqs last enabled at (4804798): neigh_resolve_output (net/core/neighbour.c:1539 net/core/neighbour.c:1553 net/core/neighbour.c:1543) | [ 5584.470976][ C2] softirqs last disabled at (4804802): __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:833 net/core/dev.c:4260) [ 5584.471522][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 5584.471872][ C2] Workqueue: mld mld_ifc_work [ 5584.472035][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 5584.472194][ C2] Code: 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 29 f0 0f b7 c8 <39> ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 89 04 24 e8 All code ======== 0: 05 80 fa 03 7e add $0x7e03fa80,%eax 5: 36 8b 55 28 ss mov 0x28(%rbp),%edx 9: 44 39 ea cmp %r13d,%edx c: 76 15 jbe 0x23 e: 48 83 c4 10 add $0x10,%rsp 12: 5d pop %rbp 13: 41 5c pop %r12 15: 41 5d pop %r13 17: c3 ret 18: cc int3 19: cc int3 1a: cc int3 1b: cc int3 1c: 31 c0 xor %eax,%eax 1e: 45 31 ed xor %r13d,%r13d 21: eb 92 jmp 0xffffffffffffffb5 23: 89 d6 mov %edx,%esi 25: 29 f0 sub %esi,%eax 27: 0f b7 c8 movzwl %ax,%ecx 2a:* 39 ca cmp %ecx,%edx <-- trapping instruction 2c: 76 f7 jbe 0x25 2e: 48 83 c4 10 add $0x10,%rsp 32: 5d pop %rbp 33: 41 5c pop %r12 35: 41 5d pop %r13 37: c3 ret 38: cc int3 39: cc int3 3a: cc int3 3b: cc int3 3c: 89 04 24 mov %eax,(%rsp) 3f: e8 .byte 0xe8 Code starting with the faulting instruction =========================================== 0: 39 ca cmp %ecx,%edx 2: 76 f7 jbe 0xfffffffffffffffb 4: 48 83 c4 10 add $0x10,%rsp 8: 5d pop %rbp 9: 41 5c pop %r12 b: 41 5d pop %r13 d: c3 ret e: cc int3 f: cc int3 10: cc int3 11: cc int3 12: 89 04 24 mov %eax,(%rsp) 15: e8 .byte 0xe8 [ 5584.472820][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 5584.473020][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 5584.473252][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 5584.473563][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 5584.473794][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 5584.474101][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 5584.474332][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 5584.474618][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5584.474929][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 5584.475162][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 5584.475394][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 5584.475632][ C2] PKRU: 55555554 [ 5584.475750][ C2] Call Trace: [ 5584.475867][ C2] [ 5584.475950][ C2] ? watchdog_timer_fn (kernel/watchdog.c:548) [ 5584.476110][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 5584.476266][ C2] ? __pfx_watchdog_timer_fn (kernel/watchdog.c:466) [ 5584.476423][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 5584.476586][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 5584.476746][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 5584.476904][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 5584.477106][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 5584.477268][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 5584.477462][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 5584.477736][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 5584.477929][ C2] [ 5584.478008][ C2] [ 5584.478091][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 5584.478294][ C2] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 5584.478526][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 5584.478724][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 5584.478882][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 5584.479038][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 5584.479318][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 5584.479475][ C2] ? eth_header (net/ethernet/eth.c:100) [ 5584.479638][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 5584.479803][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 5584.480048][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 5584.480211][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 5584.480371][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 5584.480491][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 5584.480651][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 5584.480888][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 5584.481048][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 5584.481204][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 5584.481362][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 5584.481596][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 5584.481752][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 5584.481947][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 5584.482142][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 5584.482370][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 5584.482533][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 5584.482694][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 5584.482857][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 5584.483096][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 5584.483256][ C2] process_one_work (kernel/workqueue.c:3254) [ 5584.483422][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 5584.483585][ C2] ? assign_work (kernel/workqueue.c:1209) [ 5584.483818][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 5584.483975][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 5584.484175][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5584.484335][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5584.484567][ C2] kthread (kernel/kthread.c:388) [ 5584.484686][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 5584.484845][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 5584.485001][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 5584.485157][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 5600.581798][ T18] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 427223 jiffies s: 809 root: 0x4/. | [ 5600.582306][ T18] rcu: blocking rcu_node structures (internal RCU debug): | [ 5600.582453][ T18] Sending NMI from CPU 0 to CPUs 2: | [ 5600.582586][ C2] NMI backtrace for cpu 2 [ 5600.582598][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 5600.582601][ C2] Workqueue: mld mld_ifc_work [ 5600.582610][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 5600.582615][ C2] Code: 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 29 f0 0f b7 c8 <39> ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 89 04 24 e8 All code ======== 0: 05 80 fa 03 7e add $0x7e03fa80,%eax 5: 36 8b 55 28 ss mov 0x28(%rbp),%edx 9: 44 39 ea cmp %r13d,%edx c: 76 15 jbe 0x23 e: 48 83 c4 10 add $0x10,%rsp 12: 5d pop %rbp 13: 41 5c pop %r12 15: 41 5d pop %r13 17: c3 ret 18: cc int3 19: cc int3 1a: cc int3 1b: cc int3 1c: 31 c0 xor %eax,%eax 1e: 45 31 ed xor %r13d,%r13d 21: eb 92 jmp 0xffffffffffffffb5 23: 89 d6 mov %edx,%esi 25: 29 f0 sub %esi,%eax 27: 0f b7 c8 movzwl %ax,%ecx 2a:* 39 ca cmp %ecx,%edx <-- trapping instruction 2c: 76 f7 jbe 0x25 2e: 48 83 c4 10 add $0x10,%rsp 32: 5d pop %rbp 33: 41 5c pop %r12 35: 41 5d pop %r13 37: c3 ret 38: cc int3 39: cc int3 3a: cc int3 3b: cc int3 3c: 89 04 24 mov %eax,(%rsp) 3f: e8 .byte 0xe8 Code starting with the faulting instruction =========================================== 0: 39 ca cmp %ecx,%edx 2: 76 f7 jbe 0xfffffffffffffffb 4: 48 83 c4 10 add $0x10,%rsp 8: 5d pop %rbp 9: 41 5c pop %r12 b: 41 5d pop %r13 d: c3 ret e: cc int3 f: cc int3 10: cc int3 11: cc int3 12: 89 04 24 mov %eax,(%rsp) 15: e8 .byte 0xe8 [ 5600.582617][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 5600.582619][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 5600.582621][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 5600.582622][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 5600.582624][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 5600.582626][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 5600.582627][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 5600.582629][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5600.582632][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 5600.582634][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 5600.582635][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 5600.582636][ C2] PKRU: 55555554 [ 5600.582637][ C2] Call Trace: [ 5600.582641][ C2] [ 5600.582646][ C2] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 5600.582651][ C2] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 5600.582655][ C2] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 5600.582661][ C2] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 5600.582666][ C2] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 5600.582669][ C2] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 5600.582677][ C2] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 5600.582680][ C2] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 5600.582683][ C2] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 5600.582685][ C2] [ 5600.582686][ C2] [ 5600.582687][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 5600.582692][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 5600.582699][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 5600.582702][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 5600.582706][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 5600.582709][ C2] ? eth_header (net/ethernet/eth.c:100) [ 5600.582713][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 5600.582717][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 5600.582724][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 5600.582731][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 5600.582736][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 5600.582739][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 5600.582743][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 5600.582746][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 5600.582749][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 5600.582752][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 5600.582756][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 5600.582759][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 5600.582762][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 5600.582767][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 5600.582771][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 5600.582773][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 5600.582778][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 5600.582782][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 5600.582788][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 5600.582792][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 5600.582795][ C2] process_one_work (kernel/workqueue.c:3254) [ 5600.582803][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 5600.582809][ C2] ? assign_work (kernel/workqueue.c:1209) [ 5600.582813][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 5600.582816][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 5600.582821][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5600.582824][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5600.582826][ C2] kthread (kernel/kthread.c:388) [ 5600.582830][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 5600.582833][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 5600.582836][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 5600.582838][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 5628.470029][ C2] hardirqs last enabled at (5777098): irqentry_exit (kernel/entry/common.c:352) | [ 5628.470378][ C2] hardirqs last disabled at (5777099): sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043) | [ 5628.470682][ C2] softirqs last enabled at (4804798): neigh_resolve_output (net/core/neighbour.c:1539 net/core/neighbour.c:1553 net/core/neighbour.c:1543) | [ 5628.471063][ C2] softirqs last disabled at (4804802): __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:833 net/core/dev.c:4260) [ 5628.471607][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 5628.472026][ C2] Workqueue: mld mld_ifc_work [ 5628.472193][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5628.472354][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 5628.473063][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 5628.473347][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 5628.473578][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 5628.473805][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 5628.474111][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 5628.474353][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 5628.474587][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 5628.474931][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5628.475124][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 5628.475358][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 5628.475667][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 5628.475904][ C2] PKRU: 55555554 [ 5628.476019][ C2] Call Trace: [ 5628.476137][ C2] [ 5628.476297][ C2] ? watchdog_timer_fn (kernel/watchdog.c:548) [ 5628.476456][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 5628.476618][ C2] ? __pfx_watchdog_timer_fn (kernel/watchdog.c:466) [ 5628.476777][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 5628.477013][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 5628.477179][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 5628.477331][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 5628.477524][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 5628.477769][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 5628.477964][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 5628.478155][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 5628.478344][ C2] [ 5628.478498][ C2] [ 5628.478577][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 5628.478776][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5628.478959][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 5628.479153][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 5628.479391][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 5628.479549][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 5628.479669][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 5628.479824][ C2] ? eth_header (net/ethernet/eth.c:100) [ 5628.480061][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 5628.480228][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 5628.480386][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 5628.480544][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 5628.480775][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 5628.480896][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 5628.481053][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 5628.481205][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 5628.481359][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 5628.481604][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 5628.481760][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 5628.481915][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 5628.482072][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 5628.482351][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 5628.482545][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 5628.482698][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 5628.482860][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 5628.483098][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 5628.483262][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 5628.483422][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 5628.483578][ C2] process_one_work (kernel/workqueue.c:3254) [ 5628.483821][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 5628.483998][ C2] ? assign_work (kernel/workqueue.c:1209) [ 5628.484154][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 5628.484305][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 5628.484652][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5628.484806][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5628.484976][ C2] kthread (kernel/kthread.c:388) [ 5628.485096][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 5628.485254][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 5628.485484][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 5628.485642][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 5628.485810][ C2] | [ 5636.978784][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 5636.979211][ C2] rcu: 2-....: (1 GPs behind) idle=a8f4/1/0x4000000000000000 softirq=1873706/1873706 fqs=101341 | [ 5636.979540][ C2] rcu: (t=494122 jiffies g=3277105 q=21362 ncpus=4) [ 5636.980133][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 5636.980492][ C2] Workqueue: mld mld_ifc_work [ 5636.980778][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5636.980951][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 5636.981618][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 5636.981825][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 5636.982073][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 5636.982403][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 5636.982656][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 5636.982897][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 5636.983246][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 5636.983533][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5636.983737][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 5636.984108][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 5636.984352][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 5636.984599][ C2] PKRU: 55555554 [ 5636.984722][ C2] Call Trace: [ 5636.984845][ C2] [ 5636.984933][ C2] ? rcu_dump_cpu_stacks (kernel/rcu/tree_stall.h:379) [ 5636.985106][ C2] ? print_cpu_stall (kernel/rcu/tree_stall.h:699) [ 5636.985273][ C2] ? tick_nohz_handler (kernel/time/tick-sched.c:220 kernel/time/tick-sched.c:287) [ 5636.985447][ C2] ? check_cpu_stall (kernel/rcu/tree_stall.h:799 (discriminator 2)) [ 5636.985616][ C2] ? rcu_pending (kernel/rcu/tree.c:3941 (discriminator 31)) [ 5636.985782][ C2] ? rcu_sched_clock_irq (kernel/rcu/tree.c:2297 (discriminator 22)) [ 5636.985947][ C2] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 5636.986113][ C2] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 5636.986305][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 5636.986469][ C2] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 5636.986778][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 5636.987035][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 5636.987203][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 5636.987370][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 5636.987580][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 5636.987862][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 5636.988071][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 5636.988278][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 5636.988480][ C2] [ 5636.988566][ C2] [ 5636.988650][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 5636.988885][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5636.989056][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 5636.989263][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 5636.989436][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 5636.989600][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 5636.989731][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 5636.989898][ C2] ? eth_header (net/ethernet/eth.c:100) [ 5636.990238][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 5636.990404][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 5636.990580][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 5636.990753][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 5636.991008][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 5636.991137][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 5636.991309][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 5636.991479][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 5636.991646][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 5636.991909][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 5636.992076][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 5636.992242][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 5636.992407][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 5636.992618][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 5636.992826][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 5636.992990][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 5636.993160][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 5636.993332][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 5636.993508][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 5636.993685][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 5636.993851][ C2] process_one_work (kernel/workqueue.c:3254) [ 5636.994118][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 5636.994314][ C2] ? assign_work (kernel/workqueue.c:1209) [ 5636.994486][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 5636.994651][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 5636.994972][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5636.995138][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5636.995302][ C2] kthread (kernel/kthread.c:388) [ 5636.995428][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 5636.995594][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 5636.995759][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 5636.995930][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 5664.470032][ C2] hardirqs last enabled at (5849048): irqentry_exit (kernel/entry/common.c:352) | [ 5664.470307][ C2] hardirqs last disabled at (5849049): sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043) | [ 5664.470617][ C2] softirqs last enabled at (4804798): neigh_resolve_output (net/core/neighbour.c:1539 net/core/neighbour.c:1553 net/core/neighbour.c:1543) | [ 5664.470936][ C2] softirqs last disabled at (4804802): __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:833 net/core/dev.c:4260) [ 5664.471564][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 5664.471912][ C2] Workqueue: mld mld_ifc_work [ 5664.472154][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5664.472314][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 5664.472940][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 5664.473138][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 5664.473364][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 5664.473670][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 5664.473896][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 5664.474140][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 5664.474447][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 5664.474714][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5664.474909][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 5664.475314][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 5664.475541][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 5664.475767][ C2] PKRU: 55555554 [ 5664.475957][ C2] Call Trace: [ 5664.476073][ C2] [ 5664.476154][ C2] ? watchdog_timer_fn (kernel/watchdog.c:548) [ 5664.476310][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 5664.476466][ C2] ? __pfx_watchdog_timer_fn (kernel/watchdog.c:466) [ 5664.476697][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 5664.476855][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 5664.477007][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 5664.477161][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 5664.477455][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 5664.477621][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 5664.477818][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 5664.478012][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 5664.478281][ C2] [ 5664.478362][ C2] [ 5664.478442][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 5664.478658][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5664.478824][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 5664.479094][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 5664.479254][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 5664.479411][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 5664.479531][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 5664.479772][ C2] ? eth_header (net/ethernet/eth.c:100) [ 5664.479930][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 5664.480087][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 5664.480251][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 5664.480498][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 5664.480654][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 5664.480771][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 5664.480930][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 5664.481084][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 5664.481330][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 5664.481485][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 5664.481647][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 5664.481801][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 5664.482040][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 5664.482236][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 5664.482429][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 5664.482582][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 5664.482819][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 5664.482981][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 5664.483149][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 5664.483310][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 5664.483558][ C2] process_one_work (kernel/workqueue.c:3254) [ 5664.483722][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 5664.483885][ C2] ? assign_work (kernel/workqueue.c:1209) [ 5664.484041][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 5664.484273][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 5664.484468][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5664.484622][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5664.484776][ C2] kthread (kernel/kthread.c:388) [ 5664.484967][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 5664.485126][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 5664.485305][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 5664.485460][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 5692.470039][ C2] hardirqs last enabled at (5905028): irqentry_exit (kernel/entry/common.c:352) | [ 5692.470308][ C2] hardirqs last disabled at (5905029): sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043) | [ 5692.470614][ C2] softirqs last enabled at (4804798): neigh_resolve_output (net/core/neighbour.c:1539 net/core/neighbour.c:1553 net/core/neighbour.c:1543) | [ 5692.470927][ C2] softirqs last disabled at (4804802): __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:833 net/core/dev.c:4260) [ 5692.471478][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 5692.471940][ C2] Workqueue: mld mld_ifc_work [ 5692.472105][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 5692.472266][ C2] Code: 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 29 f0 0f b7 c8 <39> ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 89 04 24 e8 All code ======== 0: 05 80 fa 03 7e add $0x7e03fa80,%eax 5: 36 8b 55 28 ss mov 0x28(%rbp),%edx 9: 44 39 ea cmp %r13d,%edx c: 76 15 jbe 0x23 e: 48 83 c4 10 add $0x10,%rsp 12: 5d pop %rbp 13: 41 5c pop %r12 15: 41 5d pop %r13 17: c3 ret 18: cc int3 19: cc int3 1a: cc int3 1b: cc int3 1c: 31 c0 xor %eax,%eax 1e: 45 31 ed xor %r13d,%r13d 21: eb 92 jmp 0xffffffffffffffb5 23: 89 d6 mov %edx,%esi 25: 29 f0 sub %esi,%eax 27: 0f b7 c8 movzwl %ax,%ecx 2a:* 39 ca cmp %ecx,%edx <-- trapping instruction 2c: 76 f7 jbe 0x25 2e: 48 83 c4 10 add $0x10,%rsp 32: 5d pop %rbp 33: 41 5c pop %r12 35: 41 5d pop %r13 37: c3 ret 38: cc int3 39: cc int3 3a: cc int3 3b: cc int3 3c: 89 04 24 mov %eax,(%rsp) 3f: e8 .byte 0xe8 Code starting with the faulting instruction =========================================== 0: 39 ca cmp %ecx,%edx 2: 76 f7 jbe 0xfffffffffffffffb 4: 48 83 c4 10 add $0x10,%rsp 8: 5d pop %rbp 9: 41 5c pop %r12 b: 41 5d pop %r13 d: c3 ret e: cc int3 f: cc int3 10: cc int3 11: cc int3 12: 89 04 24 mov %eax,(%rsp) 15: e8 .byte 0xe8 [ 5692.472819][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 5692.473019][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 5692.473252][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 5692.473482][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 5692.473713][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 5692.473950][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 5692.474180][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 5692.474449][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5692.474723][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 5692.474961][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 5692.475191][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 5692.475499][ C2] PKRU: 55555554 [ 5692.475618][ C2] Call Trace: [ 5692.475735][ C2] [ 5692.475818][ C2] ? watchdog_timer_fn (kernel/watchdog.c:548) [ 5692.475982][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 5692.476216][ C2] ? __pfx_watchdog_timer_fn (kernel/watchdog.c:466) [ 5692.476376][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 5692.476537][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 5692.476693][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 5692.476952][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 5692.477162][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 5692.477323][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 5692.477523][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 5692.477723][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 5692.477917][ C2] [ 5692.477997][ C2] [ 5692.478084][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 5692.478288][ C2] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 5692.478447][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 5692.478654][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 5692.478817][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 5692.478975][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 5692.479101][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 5692.479259][ C2] ? eth_header (net/ethernet/eth.c:100) [ 5692.479417][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 5692.479577][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 5692.479820][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 5692.479982][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 5692.480146][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 5692.480270][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 5692.480502][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 5692.480658][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 5692.480820][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 5692.480977][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 5692.481137][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 5692.481376][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 5692.481530][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 5692.481726][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 5692.482072][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 5692.482226][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 5692.482387][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 5692.482554][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 5692.482718][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 5692.482981][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 5692.483140][ C2] process_one_work (kernel/workqueue.c:3254) [ 5692.483311][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 5692.483477][ C2] ? assign_work (kernel/workqueue.c:1209) [ 5692.483643][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 5692.483798][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 5692.483996][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5692.484155][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5692.484312][ C2] kthread (kernel/kthread.c:388) [ 5692.484430][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 5692.484593][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 5692.484747][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 5692.484903][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 5698.885804][ T18] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 525527 jiffies s: 809 root: 0x4/. | [ 5698.886321][ T18] rcu: blocking rcu_node structures (internal RCU debug): | [ 5698.886466][ T18] Sending NMI from CPU 0 to CPUs 2: | [ 5698.886607][ C2] NMI backtrace for cpu 2 [ 5698.886618][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 5698.886622][ C2] Workqueue: mld mld_ifc_work [ 5698.886630][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5698.886634][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 5698.886637][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 5698.886639][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 5698.886640][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 5698.886642][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 5698.886643][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 5698.886644][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 5698.886646][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 5698.886647][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5698.886650][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 5698.886652][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 5698.886653][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 5698.886654][ C2] PKRU: 55555554 [ 5698.886655][ C2] Call Trace: [ 5698.886658][ C2] [ 5698.886661][ C2] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 5698.886665][ C2] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 5698.886671][ C2] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 5698.886676][ C2] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 5698.886681][ C2] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 5698.886684][ C2] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 5698.886691][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5698.886694][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5698.886697][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5698.886700][ C2] [ 5698.886700][ C2] [ 5698.886701][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 5698.886706][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 5698.886711][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 5698.886715][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 5698.886718][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 5698.886721][ C2] ? eth_header (net/ethernet/eth.c:100) [ 5698.886726][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 5698.886729][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 5698.886736][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 5698.886743][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 5698.886748][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 5698.886751][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 5698.886755][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 5698.886758][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 5698.886761][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 5698.886763][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 5698.886767][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 5698.886772][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 5698.886775][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 5698.886780][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 5698.886783][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 5698.886785][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 5698.886790][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 5698.886794][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 5698.886799][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 5698.886804][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 5698.886807][ C2] process_one_work (kernel/workqueue.c:3254) [ 5698.886814][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 5698.886820][ C2] ? assign_work (kernel/workqueue.c:1209) [ 5698.886824][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 5698.886827][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 5698.886832][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5698.886835][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5698.886838][ C2] kthread (kernel/kthread.c:388) [ 5698.886842][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 5698.886845][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 5698.886848][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 5698.886850][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 5698.886858][ C2] | [ 5714.999773][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 5715.000131][ C2] rcu: 2-....: (1 GPs behind) idle=a8f4/1/0x4000000000000000 softirq=1873706/1873706 fqs=117300 | [ 5715.000559][ C2] rcu: (t=572143 jiffies g=3277105 q=22821 ncpus=4) [ 5715.001138][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 5715.001506][ C2] Workqueue: mld mld_ifc_work [ 5715.001684][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5715.001975][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 5715.002551][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 5715.002761][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 5715.003008][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 5715.003264][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 5715.003509][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 5715.003759][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 5715.004006][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 5715.004295][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5715.004503][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 5715.004865][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 5715.005124][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 5715.005366][ C2] PKRU: 55555554 [ 5715.005486][ C2] Call Trace: [ 5715.005614][ C2] [ 5715.005699][ C2] ? rcu_dump_cpu_stacks (kernel/rcu/tree_stall.h:379) [ 5715.005872][ C2] ? print_cpu_stall (kernel/rcu/tree_stall.h:699) [ 5715.006031][ C2] ? tick_nohz_handler (kernel/time/tick-sched.c:220 kernel/time/tick-sched.c:287) [ 5715.006212][ C2] ? check_cpu_stall (kernel/rcu/tree_stall.h:799 (discriminator 2)) [ 5715.006382][ C2] ? rcu_pending (kernel/rcu/tree.c:3941 (discriminator 31)) [ 5715.006548][ C2] ? rcu_sched_clock_irq (kernel/rcu/tree.c:2297 (discriminator 22)) [ 5715.006713][ C2] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 5715.006880][ C2] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 5715.007138][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 5715.007304][ C2] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 5715.007471][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 5715.007642][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 5715.007920][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 5715.008086][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 5715.008301][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 5715.008480][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 5715.008691][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 5715.008898][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 5715.009103][ C2] [ 5715.009193][ C2] [ 5715.009278][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 5715.009493][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5715.009660][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 5715.009877][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 5715.010047][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 5715.010290][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 5715.010418][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 5715.010581][ C2] ? eth_header (net/ethernet/eth.c:100) [ 5715.010745][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 5715.011013][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 5715.011187][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 5715.011360][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 5715.011533][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 5715.011661][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 5715.011918][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 5715.012094][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 5715.012260][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 5715.012420][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 5715.012587][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 5715.012773][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 5715.012942][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 5715.013152][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 5715.013359][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 5715.013521][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 5715.013696][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 5715.013865][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 5715.014127][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 5715.014296][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 5715.014465][ C2] process_one_work (kernel/workqueue.c:3254) [ 5715.014641][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 5715.014922][ C2] ? assign_work (kernel/workqueue.c:1209) [ 5715.015093][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 5715.015260][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 5715.015471][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5715.015638][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5715.015804][ C2] kthread (kernel/kthread.c:388) [ 5715.015930][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 5715.016099][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 5715.016264][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 5715.016439][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 5740.470025][ C2] hardirqs last enabled at (6000964): irqentry_exit (kernel/entry/common.c:352) | [ 5740.470376][ C2] hardirqs last disabled at (6000965): sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043) | [ 5740.470673][ C2] softirqs last enabled at (4804798): neigh_resolve_output (net/core/neighbour.c:1539 net/core/neighbour.c:1553 net/core/neighbour.c:1543) | [ 5740.471124][ C2] softirqs last disabled at (4804802): __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:833 net/core/dev.c:4260) [ 5740.471734][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 5740.472070][ C2] Workqueue: mld mld_ifc_work [ 5740.472228][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5740.472465][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 5740.472992][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 5740.473261][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 5740.473485][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 5740.473714][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 5740.474019][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 5740.474262][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 5740.474493][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 5740.474839][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5740.475036][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 5740.475268][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 5740.475580][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 5740.475809][ C2] PKRU: 55555554 [ 5740.475924][ C2] Call Trace: [ 5740.476123][ C2] [ 5740.476209][ C2] ? watchdog_timer_fn (kernel/watchdog.c:548) [ 5740.476368][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 5740.476523][ C2] ? __pfx_watchdog_timer_fn (kernel/watchdog.c:466) [ 5740.476694][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 5740.476958][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 5740.477110][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 5740.477268][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 5740.477466][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 5740.477630][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 5740.477825][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 5740.478015][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 5740.478207][ C2] [ 5740.478300][ C2] [ 5740.478389][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 5740.478590][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5740.478747][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 5740.478947][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 5740.479107][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 5740.479265][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 5740.479386][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 5740.479541][ C2] ? eth_header (net/ethernet/eth.c:100) [ 5740.479777][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 5740.479935][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 5740.480102][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 5740.480267][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 5740.480504][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 5740.480625][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 5740.480783][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 5740.480939][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 5740.481098][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 5740.481329][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 5740.481493][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 5740.481651][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 5740.481818][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 5740.482083][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 5740.482272][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 5740.482426][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 5740.482583][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 5740.482889][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 5740.483049][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 5740.483209][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 5740.483361][ C2] process_one_work (kernel/workqueue.c:3254) [ 5740.483596][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 5740.483771][ C2] ? assign_work (kernel/workqueue.c:1209) [ 5740.483929][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 5740.484081][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 5740.484349][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5740.484503][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5740.484657][ C2] kthread (kernel/kthread.c:388) [ 5740.484794][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 5740.485026][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 5740.485179][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 5740.485336][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 5768.470002][ C2] hardirqs last enabled at (6056946): irqentry_exit (kernel/entry/common.c:352) | [ 5768.470272][ C2] hardirqs last disabled at (6056947): sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043) | [ 5768.470656][ C2] softirqs last enabled at (4804798): neigh_resolve_output (net/core/neighbour.c:1539 net/core/neighbour.c:1553 net/core/neighbour.c:1543) | [ 5768.470971][ C2] softirqs last disabled at (4804802): __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:833 net/core/dev.c:4260) [ 5768.471579][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 5768.471919][ C2] Workqueue: mld mld_ifc_work [ 5768.472158][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5768.472317][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 5768.472967][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 5768.473162][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 5768.473391][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 5768.473623][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 5768.473866][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 5768.474098][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 5768.474330][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 5768.474606][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5768.474800][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 5768.475033][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 5768.475265][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 5768.475506][ C2] PKRU: 55555554 [ 5768.475714][ C2] Call Trace: [ 5768.475835][ C2] [ 5768.475918][ C2] ? watchdog_timer_fn (kernel/watchdog.c:548) [ 5768.476078][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 5768.476234][ C2] ? __pfx_watchdog_timer_fn (kernel/watchdog.c:466) [ 5768.476467][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 5768.476627][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 5768.476787][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 5768.476952][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 5768.477243][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 5768.477404][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 5768.477603][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 5768.477800][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 5768.478145][ C2] [ 5768.478230][ C2] [ 5768.478313][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 5768.478514][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5768.478749][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 5768.478945][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 5768.479110][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 5768.479265][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 5768.479388][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 5768.479627][ C2] ? eth_header (net/ethernet/eth.c:100) [ 5768.479781][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 5768.479934][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 5768.480101][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 5768.480334][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 5768.480490][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 5768.480609][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 5768.480763][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 5768.480993][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 5768.481149][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 5768.481305][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 5768.481473][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 5768.481634][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 5768.481869][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 5768.482066][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 5768.482263][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 5768.482492][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 5768.482653][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 5768.482812][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 5768.482979][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 5768.483140][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 5768.483373][ C2] process_one_work (kernel/workqueue.c:3254) [ 5768.483542][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 5768.483706][ C2] ? assign_work (kernel/workqueue.c:1209) [ 5768.483875][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 5768.484126][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 5768.484323][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5768.484483][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5768.484640][ C2] kthread (kernel/kthread.c:388) [ 5768.484841][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 5768.485000][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 5768.485155][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 5768.485310][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 5768.485480][ C2] | [ 5793.018790][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 5793.019101][ C2] rcu: 2-....: (1 GPs behind) idle=a8f4/1/0x4000000000000000 softirq=1873706/1873706 fqs=133337 | [ 5793.019439][ C2] rcu: (t=650162 jiffies g=3277105 q=23953 ncpus=4) [ 5793.019935][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 5793.020299][ C2] Workqueue: mld mld_ifc_work [ 5793.020475][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5793.020645][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 5793.021315][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 5793.021519][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 5793.021848][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 5793.022088][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 5793.022352][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 5793.022684][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 5793.022935][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 5793.023225][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5793.023617][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 5793.023859][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 5793.024107][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 5793.024428][ C2] PKRU: 55555554 [ 5793.024566][ C2] Call Trace: [ 5793.024699][ C2] [ 5793.024788][ C2] ? rcu_dump_cpu_stacks (kernel/rcu/tree_stall.h:379) [ 5793.025049][ C2] ? print_cpu_stall (kernel/rcu/tree_stall.h:699) [ 5793.025213][ C2] ? tick_nohz_handler (kernel/time/tick-sched.c:220 kernel/time/tick-sched.c:287) [ 5793.025385][ C2] ? check_cpu_stall (kernel/rcu/tree_stall.h:799 (discriminator 2)) [ 5793.025552][ C2] ? rcu_pending (kernel/rcu/tree.c:3941 (discriminator 31)) [ 5793.025719][ C2] ? rcu_sched_clock_irq (kernel/rcu/tree.c:2297 (discriminator 22)) [ 5793.026022][ C2] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 5793.026187][ C2] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 5793.026356][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 5793.026518][ C2] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 5793.026687][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 5793.026855][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 5793.027022][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 5793.027187][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 5793.027398][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 5793.027578][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 5793.027786][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 5793.028002][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 5793.028302][ C2] [ 5793.028387][ C2] [ 5793.028471][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 5793.028687][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5793.028937][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 5793.029146][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 5793.029322][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 5793.029494][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 5793.029622][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 5793.029870][ C2] ? eth_header (net/ethernet/eth.c:100) [ 5793.030032][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 5793.030194][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 5793.030368][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 5793.030623][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 5793.030791][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 5793.030917][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 5793.031081][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 5793.031328][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 5793.031493][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 5793.031660][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 5793.031825][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 5793.031991][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 5793.032263][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 5793.032470][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 5793.032675][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 5793.032929][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 5793.033101][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 5793.033273][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 5793.033456][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 5793.033624][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 5793.033871][ C2] process_one_work (kernel/workqueue.c:3254) [ 5793.034048][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 5793.034218][ C2] ? assign_work (kernel/workqueue.c:1209) [ 5793.034384][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 5793.034632][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 5793.034837][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5793.034999][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5793.035177][ C2] kthread (kernel/kthread.c:388) [ 5793.035382][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 5793.035545][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 5793.035705][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 5793.035868][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 5797.189798][ T18] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 623831 jiffies s: 809 root: 0x4/. | [ 5797.190291][ T18] rcu: blocking rcu_node structures (internal RCU debug): | [ 5797.190443][ T18] Sending NMI from CPU 0 to CPUs 2: | [ 5797.190573][ C2] NMI backtrace for cpu 2 [ 5797.190582][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 5797.190585][ C2] Workqueue: mld mld_ifc_work [ 5797.190592][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5797.190596][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 5797.190599][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 5797.190601][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 5797.190602][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 5797.190604][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 5797.190605][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 5797.190606][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 5797.190608][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 5797.190610][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5797.190612][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 5797.190614][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 5797.190615][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 5797.190616][ C2] PKRU: 55555554 [ 5797.190617][ C2] Call Trace: [ 5797.190619][ C2] [ 5797.190623][ C2] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 5797.190627][ C2] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 5797.190632][ C2] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 5797.190637][ C2] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 5797.190641][ C2] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 5797.190644][ C2] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 5797.190651][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5797.190654][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5797.190657][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5797.190660][ C2] [ 5797.190660][ C2] [ 5797.190661][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 5797.190666][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 5797.190672][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 5797.190675][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 5797.190678][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 5797.190682][ C2] ? eth_header (net/ethernet/eth.c:100) [ 5797.190686][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 5797.190689][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 5797.190696][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 5797.190702][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 5797.190707][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 5797.190710][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 5797.190714][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 5797.190717][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 5797.190720][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 5797.190722][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 5797.190726][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 5797.190729][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 5797.190732][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 5797.190737][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 5797.190740][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 5797.190741][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 5797.190746][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 5797.190750][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 5797.190755][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 5797.190760][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 5797.190763][ C2] process_one_work (kernel/workqueue.c:3254) [ 5797.190771][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 5797.190777][ C2] ? assign_work (kernel/workqueue.c:1209) [ 5797.190780][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 5797.190784][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 5797.190788][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5797.190791][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5797.190794][ C2] kthread (kernel/kthread.c:388) [ 5797.190796][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 5797.190799][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 5797.190802][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 5797.190804][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 5824.469964][ C2] hardirqs last enabled at (6168884): irqentry_exit (kernel/entry/common.c:352) | [ 5824.470326][ C2] hardirqs last disabled at (6168885): sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043) | [ 5824.470628][ C2] softirqs last enabled at (4804798): neigh_resolve_output (net/core/neighbour.c:1539 net/core/neighbour.c:1553 net/core/neighbour.c:1543) | [ 5824.470931][ C2] softirqs last disabled at (4804802): __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:833 net/core/dev.c:4260) [ 5824.471536][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 5824.471950][ C2] Workqueue: mld mld_ifc_work [ 5824.472107][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5824.472267][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 5824.472878][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 5824.473075][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 5824.473381][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 5824.473608][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 5824.473970][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 5824.474282][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 5824.474520][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 5824.474888][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5824.475085][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 5824.475329][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 5824.475562][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 5824.475794][ C2] PKRU: 55555554 [ 5824.475910][ C2] Call Trace: [ 5824.476024][ C2] [ 5824.476106][ C2] ? watchdog_timer_fn (kernel/watchdog.c:548) [ 5824.476265][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 5824.476420][ C2] ? __pfx_watchdog_timer_fn (kernel/watchdog.c:466) [ 5824.476579][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 5824.476752][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 5824.476909][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 5824.477065][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 5824.477266][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 5824.477429][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 5824.477704][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 5824.477900][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 5824.478117][ C2] [ 5824.478204][ C2] [ 5824.478285][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 5824.478640][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5824.478798][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 5824.478996][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 5824.479245][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 5824.479398][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 5824.479516][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 5824.479671][ C2] ? eth_header (net/ethernet/eth.c:100) [ 5824.479832][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 5824.480062][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 5824.480223][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 5824.480382][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 5824.480562][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 5824.480762][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 5824.480920][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 5824.481079][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 5824.481238][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 5824.481396][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 5824.481630][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 5824.481788][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 5824.481944][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 5824.482151][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 5824.482413][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 5824.482582][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 5824.482744][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 5824.482903][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 5824.483142][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 5824.483308][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 5824.483467][ C2] process_one_work (kernel/workqueue.c:3254) [ 5824.483632][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 5824.483882][ C2] ? assign_work (kernel/workqueue.c:1209) [ 5824.484040][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 5824.484194][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 5824.484394][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5824.484552][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5824.484704][ C2] kthread (kernel/kthread.c:388) [ 5824.484822][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 5824.484998][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 5824.485154][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 5824.485311][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 5852.469968][ C2] hardirqs last enabled at (6224866): irqentry_exit (kernel/entry/common.c:352) | [ 5852.470329][ C2] hardirqs last disabled at (6224867): sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043) | [ 5852.470631][ C2] softirqs last enabled at (4804798): neigh_resolve_output (net/core/neighbour.c:1539 net/core/neighbour.c:1553 net/core/neighbour.c:1543) | [ 5852.471038][ C2] softirqs last disabled at (4804802): __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:833 net/core/dev.c:4260) [ 5852.471572][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 5852.471912][ C2] Workqueue: mld mld_ifc_work [ 5852.472085][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5852.472245][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 5852.472782][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 5852.472976][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 5852.473206][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 5852.473433][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 5852.473814][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 5852.474044][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 5852.474294][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 5852.474639][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5852.474837][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 5852.475147][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 5852.475383][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 5852.475613][ C2] PKRU: 55555554 [ 5852.475739][ C2] Call Trace: [ 5852.475958][ C2] [ 5852.476038][ C2] ? watchdog_timer_fn (kernel/watchdog.c:548) [ 5852.476195][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 5852.476354][ C2] ? __pfx_watchdog_timer_fn (kernel/watchdog.c:466) [ 5852.476510][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 5852.476671][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 5852.476823][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 5852.476977][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 5852.477172][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 5852.477350][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 5852.477547][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 5852.477739][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 5852.477942][ C2] [ 5852.478021][ C2] [ 5852.478101][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 5852.478302][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5852.478462][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 5852.478735][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 5852.478896][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 5852.479053][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 5852.479174][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 5852.479334][ C2] ? eth_header (net/ethernet/eth.c:100) [ 5852.479575][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 5852.479733][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 5852.479898][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 5852.480072][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 5852.480304][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 5852.480423][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 5852.480581][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 5852.480737][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 5852.480965][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 5852.481118][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 5852.481274][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 5852.481428][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 5852.481581][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 5852.481849][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 5852.482039][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 5852.482210][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 5852.482451][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 5852.482611][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 5852.482777][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 5852.482938][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 5852.483095][ C2] process_one_work (kernel/workqueue.c:3254) [ 5852.483337][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 5852.483500][ C2] ? assign_work (kernel/workqueue.c:1209) [ 5852.483660][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 5852.483829][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 5852.484097][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5852.484249][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5852.484402][ C2] kthread (kernel/kthread.c:388) [ 5852.484519][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 5852.484750][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 5852.484903][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 5852.485058][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 5852.485227][ C2] | [ 5871.039774][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 5871.040138][ C2] rcu: 2-....: (1 GPs behind) idle=a8f4/1/0x4000000000000000 softirq=1873706/1873706 fqs=149385 | [ 5871.040467][ C2] rcu: (t=728183 jiffies g=3277105 q=25412 ncpus=4) [ 5871.041049][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 5871.041419][ C2] Workqueue: mld mld_ifc_work [ 5871.041681][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5871.041859][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 5871.042532][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 5871.042739][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 5871.042990][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 5871.043322][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 5871.043567][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 5871.043816][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 5871.044149][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 5871.044434][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5871.044729][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 5871.044978][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 5871.045225][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 5871.045560][ C2] PKRU: 55555554 [ 5871.045685][ C2] Call Trace: [ 5871.045814][ C2] [ 5871.045902][ C2] ? rcu_dump_cpu_stacks (kernel/rcu/tree_stall.h:379) [ 5871.046077][ C2] ? print_cpu_stall (kernel/rcu/tree_stall.h:699) [ 5871.046326][ C2] ? tick_nohz_handler (kernel/time/tick-sched.c:220 kernel/time/tick-sched.c:287) [ 5871.046500][ C2] ? check_cpu_stall (kernel/rcu/tree_stall.h:799 (discriminator 2)) [ 5871.046670][ C2] ? rcu_pending (kernel/rcu/tree.c:3941 (discriminator 31)) [ 5871.046840][ C2] ? rcu_sched_clock_irq (kernel/rcu/tree.c:2297 (discriminator 22)) [ 5871.047007][ C2] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 5871.047263][ C2] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 5871.047433][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 5871.047598][ C2] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 5871.047777][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 5871.048032][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 5871.048199][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 5871.048365][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 5871.048575][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 5871.048833][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 5871.049043][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 5871.049248][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 5871.049542][ C2] [ 5871.049629][ C2] [ 5871.049719][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 5871.049936][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5871.050106][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 5871.050399][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 5871.050570][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 5871.050737][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 5871.050868][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 5871.051036][ C2] ? eth_header (net/ethernet/eth.c:100) [ 5871.051292][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 5871.051458][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 5871.051635][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 5871.051808][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 5871.052065][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 5871.052194][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 5871.052362][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 5871.052529][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 5871.052893][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 5871.053064][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 5871.053235][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 5871.053403][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 5871.053572][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 5871.053781][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 5871.053986][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 5871.054149][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 5871.054327][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 5871.054498][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 5871.054672][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 5871.054848][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 5871.055016][ C2] process_one_work (kernel/workqueue.c:3254) [ 5871.055281][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 5871.055455][ C2] ? assign_work (kernel/workqueue.c:1209) [ 5871.055624][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 5871.055790][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 5871.056091][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5871.056259][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5871.056424][ C2] kthread (kernel/kthread.c:388) [ 5871.056550][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 5871.056809][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 5871.056973][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 5871.057143][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 5895.493798][ T18] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 722135 jiffies s: 809 root: 0x4/. | [ 5895.494246][ T18] rcu: blocking rcu_node structures (internal RCU debug): | [ 5895.494392][ T18] Sending NMI from CPU 0 to CPUs 2: | [ 5895.494528][ C2] NMI backtrace for cpu 2 [ 5895.494539][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 5895.494543][ C2] Workqueue: mld mld_ifc_work [ 5895.494551][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5895.494556][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 5895.494559][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 5895.494561][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 5895.494563][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 5895.494564][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 5895.494566][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 5895.494567][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 5895.494568][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 5895.494570][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5895.494573][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 5895.494575][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 5895.494576][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 5895.494577][ C2] PKRU: 55555554 [ 5895.494578][ C2] Call Trace: [ 5895.494581][ C2] [ 5895.494585][ C2] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 5895.494590][ C2] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 5895.494595][ C2] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 5895.494600][ C2] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 5895.494605][ C2] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 5895.494608][ C2] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 5895.494616][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5895.494619][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5895.494622][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5895.494625][ C2] [ 5895.494625][ C2] [ 5895.494626][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 5895.494631][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 5895.494637][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 5895.494641][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 5895.494644][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 5895.494647][ C2] ? eth_header (net/ethernet/eth.c:100) [ 5895.494652][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 5895.494655][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 5895.494662][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 5895.494670][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 5895.494674][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 5895.494678][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 5895.494681][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 5895.494685][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 5895.494688][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 5895.494690][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 5895.494694][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 5895.494698][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 5895.494701][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 5895.494705][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 5895.494708][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 5895.494710][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 5895.494715][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 5895.494720][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 5895.494725][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 5895.494729][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 5895.494733][ C2] process_one_work (kernel/workqueue.c:3254) [ 5895.494741][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 5895.494747][ C2] ? assign_work (kernel/workqueue.c:1209) [ 5895.494751][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 5895.494754][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 5895.494759][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5895.494762][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5895.494765][ C2] kthread (kernel/kthread.c:388) [ 5895.494768][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 5895.494773][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 5895.494777][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 5895.494779][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 5920.470053][ C2] hardirqs last enabled at (6360810): irqentry_exit (kernel/entry/common.c:352) | [ 5920.470323][ C2] hardirqs last disabled at (6360811): sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043) | [ 5920.470633][ C2] softirqs last enabled at (4804798): neigh_resolve_output (net/core/neighbour.c:1539 net/core/neighbour.c:1553 net/core/neighbour.c:1543) | [ 5920.470969][ C2] softirqs last disabled at (4804802): __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:833 net/core/dev.c:4260) [ 5920.471510][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 5920.471860][ C2] Workqueue: mld mld_ifc_work [ 5920.472025][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5920.472186][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 5920.472813][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 5920.473014][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 5920.473334][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 5920.473562][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 5920.473789][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 5920.474167][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 5920.474393][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 5920.474654][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5920.474950][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 5920.475182][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 5920.475410][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 5920.475642][ C2] PKRU: 55555554 [ 5920.475758][ C2] Call Trace: [ 5920.475892][ C2] [ 5920.475976][ C2] ? watchdog_timer_fn (kernel/watchdog.c:548) [ 5920.476142][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 5920.476302][ C2] ? __pfx_watchdog_timer_fn (kernel/watchdog.c:466) [ 5920.476463][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 5920.476625][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 5920.476781][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 5920.476940][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 5920.477154][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 5920.477314][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 5920.477510][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 5920.477801][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 5920.477993][ C2] [ 5920.478073][ C2] [ 5920.478155][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 5920.478439][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5920.478599][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 5920.478797][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 5920.478970][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 5920.479198][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 5920.479318][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 5920.479473][ C2] ? eth_header (net/ethernet/eth.c:100) [ 5920.479627][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 5920.479781][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 5920.480016][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 5920.480174][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 5920.480329][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 5920.480452][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 5920.480697][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 5920.480853][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 5920.481011][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 5920.481166][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 5920.481323][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 5920.481558][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 5920.481714][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 5920.481911][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 5920.482182][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 5920.482335][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 5920.482495][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 5920.482659][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 5920.482825][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 5920.483074][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 5920.483228][ C2] process_one_work (kernel/workqueue.c:3254) [ 5920.483393][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 5920.483555][ C2] ? assign_work (kernel/workqueue.c:1209) [ 5920.483791][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 5920.483944][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 5920.484137][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5920.484292][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5920.484517][ C2] kthread (kernel/kthread.c:388) [ 5920.484634][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 5920.484790][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 5920.484943][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 5920.485168][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 5948.470118][ C2] hardirqs last enabled at (6416792): irqentry_exit (kernel/entry/common.c:352) | [ 5948.470471][ C2] hardirqs last disabled at (6416793): sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043) | [ 5948.470794][ C2] softirqs last enabled at (4804798): neigh_resolve_output (net/core/neighbour.c:1539 net/core/neighbour.c:1553 net/core/neighbour.c:1543) | [ 5948.471175][ C2] softirqs last disabled at (4804802): __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:833 net/core/dev.c:4260) [ 5948.471715][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 5948.472140][ C2] Workqueue: mld mld_ifc_work [ 5948.472305][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5948.472467][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 5948.473098][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 5948.473293][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 5948.473599][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 5948.473827][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 5948.474135][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 5948.474359][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 5948.474586][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 5948.474962][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5948.475156][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 5948.475385][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 5948.475614][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 5948.475861][ C2] PKRU: 55555554 [ 5948.475979][ C2] Call Trace: [ 5948.476095][ C2] [ 5948.476183][ C2] ? watchdog_timer_fn (kernel/watchdog.c:548) [ 5948.476344][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 5948.476502][ C2] ? __pfx_watchdog_timer_fn (kernel/watchdog.c:466) [ 5948.476665][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 5948.476835][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 5948.476995][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 5948.477166][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 5948.477365][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 5948.477535][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 5948.477815][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 5948.478009][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 5948.478202][ C2] [ 5948.478286][ C2] [ 5948.478442][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 5948.478644][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5948.478803][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 5948.479006][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 5948.479240][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 5948.479397][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 5948.479516][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 5948.479668][ C2] ? eth_header (net/ethernet/eth.c:100) [ 5948.479823][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 5948.480052][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 5948.480215][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 5948.480372][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 5948.480539][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 5948.480736][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 5948.480891][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 5948.481043][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 5948.481199][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 5948.481500][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 5948.481659][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 5948.481830][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 5948.481985][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 5948.482259][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 5948.482457][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 5948.482611][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 5948.482775][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 5948.483014][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 5948.483179][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 5948.483340][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 5948.483498][ C2] process_one_work (kernel/workqueue.c:3254) [ 5948.483678][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 5948.483922][ C2] ? assign_work (kernel/workqueue.c:1209) [ 5948.484080][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 5948.484232][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 5948.484429][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5948.484583][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5948.484735][ C2] kthread (kernel/kthread.c:388) [ 5948.484851][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 5948.485013][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 5948.485169][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 5948.485322][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 5948.485490][ C2] | [ 5949.059783][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 5949.060066][ C2] rcu: 2-....: (1 GPs behind) idle=a8f4/1/0x4000000000000000 softirq=1873706/1873706 fqs=165466 | [ 5949.060387][ C2] rcu: (t=806203 jiffies g=3277105 q=26871 ncpus=4) [ 5949.060974][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 5949.061333][ C2] Workqueue: mld mld_ifc_work [ 5949.061502][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5949.061668][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 5949.062252][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 5949.062461][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 5949.062705][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 5949.062951][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 5949.063198][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 5949.063445][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 5949.063777][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 5949.064060][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5949.064265][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 5949.064609][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 5949.064853][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 5949.065096][ C2] PKRU: 55555554 [ 5949.065310][ C2] Call Trace: [ 5949.065433][ C2] [ 5949.065518][ C2] ? rcu_dump_cpu_stacks (kernel/rcu/tree_stall.h:379) [ 5949.065695][ C2] ? print_cpu_stall (kernel/rcu/tree_stall.h:699) [ 5949.065862][ C2] ? tick_nohz_handler (kernel/time/tick-sched.c:220 kernel/time/tick-sched.c:287) [ 5949.066124][ C2] ? check_cpu_stall (kernel/rcu/tree_stall.h:799 (discriminator 2)) [ 5949.066290][ C2] ? rcu_pending (kernel/rcu/tree.c:3941 (discriminator 31)) [ 5949.066452][ C2] ? rcu_sched_clock_irq (kernel/rcu/tree.c:2297 (discriminator 22)) [ 5949.066614][ C2] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 5949.066779][ C2] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 5949.067051][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 5949.067211][ C2] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 5949.067378][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 5949.067571][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 5949.067736][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 5949.067903][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 5949.068124][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 5949.068298][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 5949.068596][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 5949.068803][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 5949.069012][ C2] [ 5949.069107][ C2] [ 5949.069278][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 5949.069492][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5949.069659][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 5949.069874][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 5949.070123][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 5949.070288][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 5949.070416][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 5949.070578][ C2] ? eth_header (net/ethernet/eth.c:100) [ 5949.070744][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 5949.071022][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 5949.071194][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 5949.071364][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 5949.071533][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 5949.071661][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 5949.071827][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 5949.071989][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 5949.072155][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 5949.072319][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 5949.072483][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 5949.072649][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 5949.072811][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 5949.073097][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 5949.073320][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 5949.073483][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 5949.073656][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 5949.073935][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 5949.074112][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 5949.074283][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 5949.074449][ C2] process_one_work (kernel/workqueue.c:3254) [ 5949.074626][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 5949.074804][ C2] ? assign_work (kernel/workqueue.c:1209) [ 5949.074978][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 5949.075144][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 5949.075365][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5949.075530][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5949.075690][ C2] kthread (kernel/kthread.c:388) [ 5949.075813][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 5949.075982][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 5949.076230][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 5949.076391][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 5976.470060][ C2] hardirqs last enabled at (6472742): irqentry_exit (kernel/entry/common.c:352) | [ 5976.470419][ C2] hardirqs last disabled at (6472743): sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043) | [ 5976.470726][ C2] softirqs last enabled at (4804798): neigh_resolve_output (net/core/neighbour.c:1539 net/core/neighbour.c:1553 net/core/neighbour.c:1543) | [ 5976.471099][ C2] softirqs last disabled at (4804802): __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:833 net/core/dev.c:4260) [ 5976.471739][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 5976.472085][ C2] Workqueue: mld mld_ifc_work [ 5976.472249][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5976.472568][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 5976.473126][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 5976.473395][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 5976.473627][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 5976.473871][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 5976.474190][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 5976.474421][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 5976.474730][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 5976.475006][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5976.475199][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 5976.475503][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 5976.475726][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 5976.475952][ C2] PKRU: 55555554 [ 5976.476067][ C2] Call Trace: [ 5976.476260][ C2] [ 5976.476340][ C2] ? watchdog_timer_fn (kernel/watchdog.c:548) [ 5976.476497][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 5976.476652][ C2] ? __pfx_watchdog_timer_fn (kernel/watchdog.c:466) [ 5976.476808][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 5976.477057][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 5976.477212][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 5976.477379][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 5976.477579][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 5976.477817][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 5976.478017][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 5976.478210][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 5976.478494][ C2] [ 5976.478575][ C2] [ 5976.478656][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 5976.478861][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5976.479020][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 5976.479291][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 5976.479452][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 5976.479610][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 5976.479737][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 5976.479986][ C2] ? eth_header (net/ethernet/eth.c:100) [ 5976.480143][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 5976.480301][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 5976.480465][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 5976.480637][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 5976.480874][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 5976.480998][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 5976.481154][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 5976.481309][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 5976.481543][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 5976.481698][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 5976.481864][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 5976.482017][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 5976.482243][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 5976.482451][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 5976.482640][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 5976.482794][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 5976.483045][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 5976.483207][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 5976.483370][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 5976.483530][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 5976.483761][ C2] process_one_work (kernel/workqueue.c:3254) [ 5976.483929][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 5976.484097][ C2] ? assign_work (kernel/workqueue.c:1209) [ 5976.484256][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 5976.484422][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 5976.484767][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5976.484921][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5976.485072][ C2] kthread (kernel/kthread.c:388) [ 5976.485190][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 5976.485421][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 5976.485594][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 5976.485749][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 5993.797802][ T18] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 820439 jiffies s: 809 root: 0x4/. | [ 5993.798311][ T18] rcu: blocking rcu_node structures (internal RCU debug): | [ 5993.798458][ T18] Sending NMI from CPU 0 to CPUs 2: | [ 5993.798606][ C2] NMI backtrace for cpu 2 [ 5993.798617][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 5993.798620][ C2] Workqueue: mld mld_ifc_work [ 5993.798628][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5993.798633][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 5993.798636][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 5993.798638][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 5993.798640][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 5993.798641][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 5993.798642][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 5993.798644][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 5993.798645][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 5993.798647][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5993.798650][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 5993.798651][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 5993.798652][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 5993.798653][ C2] PKRU: 55555554 [ 5993.798654][ C2] Call Trace: [ 5993.798658][ C2] [ 5993.798662][ C2] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 5993.798666][ C2] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 5993.798671][ C2] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 5993.798676][ C2] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 5993.798681][ C2] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 5993.798684][ C2] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 5993.798691][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5993.798694][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5993.798697][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5993.798700][ C2] [ 5993.798700][ C2] [ 5993.798701][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 5993.798706][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 5993.798712][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 5993.798715][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 5993.798719][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 5993.798722][ C2] ? eth_header (net/ethernet/eth.c:100) [ 5993.798726][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 5993.798729][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 5993.798736][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 5993.798743][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 5993.798748][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 5993.798752][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 5993.798755][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 5993.798758][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 5993.798761][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 5993.798764][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 5993.798768][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 5993.798773][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 5993.798776][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 5993.798781][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 5993.798783][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 5993.798785][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 5993.798790][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 5993.798794][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 5993.798799][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 5993.798804][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 5993.798807][ C2] process_one_work (kernel/workqueue.c:3254) [ 5993.798814][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 5993.798820][ C2] ? assign_work (kernel/workqueue.c:1209) [ 5993.798824][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 5993.798827][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 5993.798832][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5993.798835][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5993.798837][ C2] kthread (kernel/kthread.c:388) [ 5993.798841][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 5993.798843][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 5993.798847][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 5993.798849][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 6020.469996][ C2] hardirqs last enabled at (6560706): irqentry_exit (kernel/entry/common.c:352) | [ 6020.470278][ C2] hardirqs last disabled at (6560707): sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043) | [ 6020.470600][ C2] softirqs last enabled at (4804798): neigh_resolve_output (net/core/neighbour.c:1539 net/core/neighbour.c:1553 net/core/neighbour.c:1543) | [ 6020.470913][ C2] softirqs last disabled at (4804802): __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:833 net/core/dev.c:4260) [ 6020.471457][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 6020.471891][ C2] Workqueue: mld mld_ifc_work [ 6020.472057][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6020.472218][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 6020.472783][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 6020.472979][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 6020.473213][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 6020.473445][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 6020.473673][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 6020.473904][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 6020.474135][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 6020.474426][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6020.474701][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 6020.474934][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 6020.475166][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 6020.475480][ C2] PKRU: 55555554 [ 6020.475600][ C2] Call Trace: [ 6020.475720][ C2] [ 6020.475802][ C2] ? watchdog_timer_fn (kernel/watchdog.c:548) [ 6020.475964][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 6020.476194][ C2] ? __pfx_watchdog_timer_fn (kernel/watchdog.c:466) [ 6020.476356][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 6020.476519][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 6020.476675][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 6020.477031][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 6020.477251][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 6020.477413][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 6020.477609][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 6020.477809][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 6020.478004][ C2] [ 6020.478084][ C2] [ 6020.478246][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 6020.478465][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6020.478619][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 6020.478814][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 6020.478971][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 6020.479125][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 6020.479262][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 6020.479419][ C2] ? eth_header (net/ethernet/eth.c:100) [ 6020.479574][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 6020.479733][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 6020.480012][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 6020.480176][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 6020.480336][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 6020.480457][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 6020.480617][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 6020.480774][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 6020.480945][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 6020.481096][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 6020.481254][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 6020.481408][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 6020.481560][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 6020.481751][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 6020.481977][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 6020.482131][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 6020.482290][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 6020.482452][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 6020.482695][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 6020.482856][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 6020.483016][ C2] process_one_work (kernel/workqueue.c:3254) [ 6020.483194][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 6020.483357][ C2] ? assign_work (kernel/workqueue.c:1209) [ 6020.483586][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 6020.483738][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 6020.483931][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6020.484091][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6020.484315][ C2] kthread (kernel/kthread.c:388) [ 6020.484433][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 6020.484586][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 6020.484737][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 6020.484965][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 6020.485130][ C2] | [ 6027.079800][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 6027.080162][ C2] rcu: 2-....: (1 GPs behind) idle=a8f4/1/0x4000000000000000 softirq=1873706/1873706 fqs=181606 | [ 6027.080585][ C2] rcu: (t=884223 jiffies g=3277105 q=28330 ncpus=4) [ 6027.081092][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 6027.081540][ C2] Workqueue: mld mld_ifc_work [ 6027.081717][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6027.081889][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 6027.082565][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 6027.082864][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 6027.083108][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 6027.083350][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 6027.083592][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 6027.083844][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 6027.084089][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 6027.084466][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6027.084673][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 6027.084920][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 6027.085259][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 6027.085497][ C2] PKRU: 55555554 [ 6027.085626][ C2] Call Trace: [ 6027.085749][ C2] [ 6027.085947][ C2] ? rcu_dump_cpu_stacks (kernel/rcu/tree_stall.h:379) [ 6027.086117][ C2] ? print_cpu_stall (kernel/rcu/tree_stall.h:699) [ 6027.086278][ C2] ? tick_nohz_handler (kernel/time/tick-sched.c:220 kernel/time/tick-sched.c:287) [ 6027.086445][ C2] ? check_cpu_stall (kernel/rcu/tree_stall.h:799 (discriminator 2)) [ 6027.086614][ C2] ? rcu_pending (kernel/rcu/tree.c:3941 (discriminator 31)) [ 6027.086782][ C2] ? rcu_sched_clock_irq (kernel/rcu/tree.c:2297 (discriminator 22)) [ 6027.086947][ C2] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 6027.087136][ C2] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 6027.087303][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 6027.087465][ C2] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 6027.087633][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 6027.087807][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 6027.087971][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 6027.088223][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 6027.088444][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 6027.088611][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 6027.088816][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 6027.089103][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 6027.089303][ C2] [ 6027.089386][ C2] [ 6027.089469][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 6027.089761][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6027.089944][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 6027.090155][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 6027.090325][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 6027.090577][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 6027.090705][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 6027.090873][ C2] ? eth_header (net/ethernet/eth.c:100) [ 6027.091042][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 6027.091209][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 6027.091475][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 6027.091647][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 6027.091816][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 6027.091944][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 6027.092194][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 6027.092360][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 6027.092529][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 6027.092691][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 6027.092948][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 6027.093119][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 6027.093282][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 6027.093489][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 6027.093786][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 6027.093945][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 6027.094111][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 6027.094277][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 6027.094529][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 6027.094698][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 6027.094881][ C2] process_one_work (kernel/workqueue.c:3254) [ 6027.095056][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 6027.095228][ C2] ? assign_work (kernel/workqueue.c:1209) [ 6027.095484][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 6027.095651][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 6027.095861][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6027.096031][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6027.096375][ C2] kthread (kernel/kthread.c:388) [ 6027.096497][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 6027.096662][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 6027.096823][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 6027.097092][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 6052.470015][ C2] hardirqs last enabled at (6624656): irqentry_exit (kernel/entry/common.c:352) | [ 6052.470371][ C2] hardirqs last disabled at (6624657): sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043) | [ 6052.470675][ C2] softirqs last enabled at (4804798): neigh_resolve_output (net/core/neighbour.c:1539 net/core/neighbour.c:1553 net/core/neighbour.c:1543) | [ 6052.471058][ C2] softirqs last disabled at (4804802): __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:833 net/core/dev.c:4260) [ 6052.471600][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 6052.472024][ C2] Workqueue: mld mld_ifc_work [ 6052.472200][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6052.472360][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 6052.472994][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 6052.473269][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 6052.473505][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 6052.473733][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 6052.474040][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 6052.474270][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 6052.474501][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 6052.474852][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6052.475040][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 6052.475267][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 6052.475571][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 6052.475799][ C2] PKRU: 55555554 [ 6052.475913][ C2] Call Trace: [ 6052.476030][ C2] [ 6052.476187][ C2] ? watchdog_timer_fn (kernel/watchdog.c:548) [ 6052.476357][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 6052.476513][ C2] ? __pfx_watchdog_timer_fn (kernel/watchdog.c:466) [ 6052.476675][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 6052.476837][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 6052.477075][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 6052.477230][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 6052.477434][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 6052.477594][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 6052.477868][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 6052.478060][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 6052.478262][ C2] [ 6052.478341][ C2] [ 6052.478494][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 6052.478691][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6052.478850][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 6052.479147][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 6052.479402][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 6052.479557][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 6052.479679][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 6052.479836][ C2] ? eth_header (net/ethernet/eth.c:100) [ 6052.480144][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 6052.480303][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 6052.480475][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 6052.480634][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 6052.480806][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 6052.481003][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 6052.481162][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 6052.481322][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 6052.481479][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 6052.481708][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 6052.481866][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 6052.482049][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 6052.482205][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 6052.482477][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 6052.482671][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 6052.482825][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 6052.482985][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 6052.483223][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 6052.483389][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 6052.483564][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 6052.483719][ C2] process_one_work (kernel/workqueue.c:3254) [ 6052.483962][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 6052.484134][ C2] ? assign_work (kernel/workqueue.c:1209) [ 6052.484295][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 6052.484450][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 6052.484722][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6052.484878][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6052.485029][ C2] kthread (kernel/kthread.c:388) [ 6052.485146][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 6052.485299][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 6052.485541][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 6052.485698][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 6080.470122][ C2] hardirqs last enabled at (6680636): irqentry_exit (kernel/entry/common.c:352) | [ 6080.470402][ C2] hardirqs last disabled at (6680637): sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043) | [ 6080.470702][ C2] softirqs last enabled at (4804798): neigh_resolve_output (net/core/neighbour.c:1539 net/core/neighbour.c:1553 net/core/neighbour.c:1543) | [ 6080.471112][ C2] softirqs last disabled at (4804802): __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:833 net/core/dev.c:4260) [ 6080.471649][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 6080.471988][ C2] Workqueue: mld mld_ifc_work [ 6080.472157][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 6080.472314][ C2] Code: 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 29 f0 0f b7 c8 <39> ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 89 04 24 e8 All code ======== 0: 05 80 fa 03 7e add $0x7e03fa80,%eax 5: 36 8b 55 28 ss mov 0x28(%rbp),%edx 9: 44 39 ea cmp %r13d,%edx c: 76 15 jbe 0x23 e: 48 83 c4 10 add $0x10,%rsp 12: 5d pop %rbp 13: 41 5c pop %r12 15: 41 5d pop %r13 17: c3 ret 18: cc int3 19: cc int3 1a: cc int3 1b: cc int3 1c: 31 c0 xor %eax,%eax 1e: 45 31 ed xor %r13d,%r13d 21: eb 92 jmp 0xffffffffffffffb5 23: 89 d6 mov %edx,%esi 25: 29 f0 sub %esi,%eax 27: 0f b7 c8 movzwl %ax,%ecx 2a:* 39 ca cmp %ecx,%edx <-- trapping instruction 2c: 76 f7 jbe 0x25 2e: 48 83 c4 10 add $0x10,%rsp 32: 5d pop %rbp 33: 41 5c pop %r12 35: 41 5d pop %r13 37: c3 ret 38: cc int3 39: cc int3 3a: cc int3 3b: cc int3 3c: 89 04 24 mov %eax,(%rsp) 3f: e8 .byte 0xe8 Code starting with the faulting instruction =========================================== 0: 39 ca cmp %ecx,%edx 2: 76 f7 jbe 0xfffffffffffffffb 4: 48 83 c4 10 add $0x10,%rsp 8: 5d pop %rbp 9: 41 5c pop %r12 b: 41 5d pop %r13 d: c3 ret e: cc int3 f: cc int3 10: cc int3 11: cc int3 12: 89 04 24 mov %eax,(%rsp) 15: e8 .byte 0xe8 [ 6080.472846][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 6080.473040][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 6080.473293][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 6080.473601][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 6080.473830][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 6080.474058][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 6080.474369][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 6080.474640][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6080.474836][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 6080.475224][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 6080.475457][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 6080.475698][ C2] PKRU: 55555554 [ 6080.475918][ C2] Call Trace: [ 6080.476034][ C2] [ 6080.476115][ C2] ? watchdog_timer_fn (kernel/watchdog.c:548) [ 6080.476273][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 6080.476430][ C2] ? __pfx_watchdog_timer_fn (kernel/watchdog.c:466) [ 6080.476673][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 6080.476857][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 6080.477013][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 6080.477175][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 6080.477376][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 6080.477540][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 6080.477736][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 6080.477933][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 6080.478129][ C2] [ 6080.478208][ C2] [ 6080.478290][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 6080.478497][ C2] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 6080.478658][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 6080.478954][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 6080.479116][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 6080.479274][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 6080.479394][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 6080.479553][ C2] ? eth_header (net/ethernet/eth.c:100) [ 6080.479713][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 6080.479873][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 6080.480037][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 6080.480200][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 6080.480363][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 6080.480484][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 6080.480658][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 6080.480813][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 6080.480970][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 6080.481124][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 6080.481286][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 6080.481440][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 6080.481671][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 6080.481870][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 6080.482061][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 6080.482222][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 6080.482469][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 6080.482630][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 6080.482798][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 6080.482959][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 6080.483192][ C2] process_one_work (kernel/workqueue.c:3254) [ 6080.483358][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 6080.483521][ C2] ? assign_work (kernel/workqueue.c:1209) [ 6080.483679][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 6080.483921][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 6080.484118][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6080.484275][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6080.484428][ C2] kthread (kernel/kthread.c:388) [ 6080.484546][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 6080.484777][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 6080.484944][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 6080.485102][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 6092.101807][ T18] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 918743 jiffies s: 809 root: 0x4/. | [ 6092.102320][ T18] rcu: blocking rcu_node structures (internal RCU debug): | [ 6092.102465][ T18] Sending NMI from CPU 0 to CPUs 2: | [ 6092.102601][ C2] NMI backtrace for cpu 2 [ 6092.102612][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 6092.102616][ C2] Workqueue: mld mld_ifc_work [ 6092.102624][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6092.102629][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 6092.102631][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 6092.102634][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 6092.102635][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 6092.102637][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 6092.102638][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 6092.102640][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 6092.102641][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 6092.102643][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6092.102646][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 6092.102647][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 6092.102648][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 6092.102650][ C2] PKRU: 55555554 [ 6092.102650][ C2] Call Trace: [ 6092.102654][ C2] [ 6092.102659][ C2] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 6092.102664][ C2] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 6092.102670][ C2] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 6092.102675][ C2] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 6092.102680][ C2] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 6092.102682][ C2] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 6092.102690][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6092.102693][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6092.102696][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6092.102698][ C2] [ 6092.102699][ C2] [ 6092.102700][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 6092.102705][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 6092.102711][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 6092.102715][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 6092.102718][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 6092.102721][ C2] ? eth_header (net/ethernet/eth.c:100) [ 6092.102726][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 6092.102729][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 6092.102736][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 6092.102743][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 6092.102748][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 6092.102752][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 6092.102755][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 6092.102758][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 6092.102761][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 6092.102763][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 6092.102767][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 6092.102772][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 6092.102775][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 6092.102780][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 6092.102783][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 6092.102785][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 6092.102790][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 6092.102794][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 6092.102799][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 6092.102803][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 6092.102823][ C2] process_one_work (kernel/workqueue.c:3254) [ 6092.102831][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 6092.102837][ C2] ? assign_work (kernel/workqueue.c:1209) [ 6092.102841][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 6092.102844][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 6092.102849][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6092.102852][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6092.102855][ C2] kthread (kernel/kthread.c:388) [ 6092.102859][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 6092.102862][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 6092.102865][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 6092.102867][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 6092.102876][ C2] | [ 6105.099784][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 6105.100154][ C2] rcu: 2-....: (1 GPs behind) idle=a8f4/1/0x4000000000000000 softirq=1873706/1873706 fqs=197531 | [ 6105.100481][ C2] rcu: (t=962243 jiffies g=3277105 q=29789 ncpus=4) [ 6105.100984][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 6105.101353][ C2] Workqueue: mld mld_ifc_work [ 6105.101543][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6105.101730][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 6105.102401][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 6105.102609][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 6105.102989][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 6105.103235][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 6105.103479][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 6105.103730][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 6105.103977][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 6105.104262][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6105.104468][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 6105.104714][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 6105.104967][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 6105.105210][ C2] PKRU: 55555554 [ 6105.105333][ C2] Call Trace: [ 6105.105458][ C2] [ 6105.105546][ C2] ? rcu_dump_cpu_stacks (kernel/rcu/tree_stall.h:379) [ 6105.105806][ C2] ? print_cpu_stall (kernel/rcu/tree_stall.h:699) [ 6105.105969][ C2] ? tick_nohz_handler (kernel/time/tick-sched.c:220 kernel/time/tick-sched.c:287) [ 6105.106143][ C2] ? check_cpu_stall (kernel/rcu/tree_stall.h:799 (discriminator 2)) [ 6105.106315][ C2] ? rcu_pending (kernel/rcu/tree.c:3941 (discriminator 31)) [ 6105.106577][ C2] ? rcu_sched_clock_irq (kernel/rcu/tree.c:2297 (discriminator 22)) [ 6105.106766][ C2] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 6105.106932][ C2] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 6105.107100][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 6105.107266][ C2] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 6105.107519][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 6105.107688][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 6105.107856][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 6105.108021][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 6105.108320][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 6105.108496][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 6105.108704][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 6105.108996][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 6105.109201][ C2] [ 6105.109289][ C2] [ 6105.109375][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 6105.109593][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6105.109852][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 6105.110062][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 6105.110236][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 6105.110401][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 6105.110534][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 6105.110700][ C2] ? eth_header (net/ethernet/eth.c:100) [ 6105.110874][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 6105.111040][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 6105.111215][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 6105.111473][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 6105.111643][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 6105.111771][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 6105.111940][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 6105.112189][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 6105.112359][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 6105.112523][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 6105.112692][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 6105.112947][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 6105.113118][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 6105.113323][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 6105.113528][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 6105.113775][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 6105.113949][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 6105.114121][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 6105.114296][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 6105.114552][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 6105.114719][ C2] process_one_work (kernel/workqueue.c:3254) [ 6105.114896][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 6105.115069][ C2] ? assign_work (kernel/workqueue.c:1209) [ 6105.115239][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 6105.115496][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 6105.115708][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6105.115874][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6105.116040][ C2] kthread (kernel/kthread.c:388) [ 6105.116250][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 6105.116416][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 6105.116580][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 6105.116753][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 6132.470031][ C2] hardirqs last enabled at (6784574): irqentry_exit (kernel/entry/common.c:352) | [ 6132.470305][ C2] hardirqs last disabled at (6784575): sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043) | [ 6132.470679][ C2] softirqs last enabled at (4804798): neigh_resolve_output (net/core/neighbour.c:1539 net/core/neighbour.c:1553 net/core/neighbour.c:1543) | [ 6132.470981][ C2] softirqs last disabled at (4804802): __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:833 net/core/dev.c:4260) [ 6132.471602][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 6132.472031][ C2] Workqueue: mld mld_ifc_work [ 6132.472194][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6132.472353][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 6132.472978][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 6132.473177][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 6132.473487][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 6132.473717][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 6132.473950][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 6132.474274][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 6132.474502][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 6132.474769][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6132.475079][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 6132.475314][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 6132.475549][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 6132.475780][ C2] PKRU: 55555554 [ 6132.475897][ C2] Call Trace: [ 6132.476022][ C2] [ 6132.476106][ C2] ? watchdog_timer_fn (kernel/watchdog.c:548) [ 6132.476270][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 6132.476423][ C2] ? __pfx_watchdog_timer_fn (kernel/watchdog.c:466) [ 6132.476684][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 6132.476849][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 6132.477006][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 6132.477239][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 6132.477443][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 6132.477606][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 6132.477910][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 6132.478118][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 6132.478311][ C2] [ 6132.478389][ C2] [ 6132.478468][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 6132.478671][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6132.478825][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 6132.479017][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 6132.479173][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 6132.479326][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 6132.479447][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 6132.479608][ C2] ? eth_header (net/ethernet/eth.c:100) [ 6132.479763][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 6132.479918][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 6132.480079][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 6132.480243][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 6132.480402][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 6132.480524][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 6132.480752][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 6132.480911][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 6132.481065][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 6132.481216][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 6132.481444][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 6132.481600][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 6132.481753][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 6132.481945][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 6132.482229][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 6132.482385][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 6132.482544][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 6132.482707][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 6132.482948][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 6132.483111][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 6132.483269][ C2] process_one_work (kernel/workqueue.c:3254) [ 6132.483435][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 6132.483679][ C2] ? assign_work (kernel/workqueue.c:1209) [ 6132.483842][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 6132.484002][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 6132.484199][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6132.484433][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6132.484588][ C2] kthread (kernel/kthread.c:388) [ 6132.484716][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 6132.484870][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 6132.485028][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 6132.485254][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 6160.470050][ C2] hardirqs last enabled at (6840556): irqentry_exit (kernel/entry/common.c:352) | [ 6160.470399][ C2] hardirqs last disabled at (6840557): sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043) | [ 6160.470706][ C2] softirqs last enabled at (4804798): neigh_resolve_output (net/core/neighbour.c:1539 net/core/neighbour.c:1553 net/core/neighbour.c:1543) | [ 6160.471164][ C2] softirqs last disabled at (4804802): __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:833 net/core/dev.c:4260) [ 6160.471703][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 6160.472158][ C2] Workqueue: mld mld_ifc_work [ 6160.472319][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 6160.472478][ C2] Code: 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 29 f0 0f b7 c8 <39> ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 89 04 24 e8 All code ======== 0: 05 80 fa 03 7e add $0x7e03fa80,%eax 5: 36 8b 55 28 ss mov 0x28(%rbp),%edx 9: 44 39 ea cmp %r13d,%edx c: 76 15 jbe 0x23 e: 48 83 c4 10 add $0x10,%rsp 12: 5d pop %rbp 13: 41 5c pop %r12 15: 41 5d pop %r13 17: c3 ret 18: cc int3 19: cc int3 1a: cc int3 1b: cc int3 1c: 31 c0 xor %eax,%eax 1e: 45 31 ed xor %r13d,%r13d 21: eb 92 jmp 0xffffffffffffffb5 23: 89 d6 mov %edx,%esi 25: 29 f0 sub %esi,%eax 27: 0f b7 c8 movzwl %ax,%ecx 2a:* 39 ca cmp %ecx,%edx <-- trapping instruction 2c: 76 f7 jbe 0x25 2e: 48 83 c4 10 add $0x10,%rsp 32: 5d pop %rbp 33: 41 5c pop %r12 35: 41 5d pop %r13 37: c3 ret 38: cc int3 39: cc int3 3a: cc int3 3b: cc int3 3c: 89 04 24 mov %eax,(%rsp) 3f: e8 .byte 0xe8 Code starting with the faulting instruction =========================================== 0: 39 ca cmp %ecx,%edx 2: 76 f7 jbe 0xfffffffffffffffb 4: 48 83 c4 10 add $0x10,%rsp 8: 5d pop %rbp 9: 41 5c pop %r12 b: 41 5d pop %r13 d: c3 ret e: cc int3 f: cc int3 10: cc int3 11: cc int3 12: 89 04 24 mov %eax,(%rsp) 15: e8 .byte 0xe8 [ 6160.473014][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 6160.473208][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 6160.473435][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 6160.473662][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 6160.473893][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 6160.474123][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 6160.474370][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 6160.474717][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6160.474917][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 6160.475150][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 6160.475461][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 6160.475692][ C2] PKRU: 55555554 [ 6160.475808][ C2] Call Trace: [ 6160.475927][ C2] [ 6160.476088][ C2] ? watchdog_timer_fn (kernel/watchdog.c:548) [ 6160.476247][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 6160.476406][ C2] ? __pfx_watchdog_timer_fn (kernel/watchdog.c:466) [ 6160.476566][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 6160.476810][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 6160.476967][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 6160.477126][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 6160.477327][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 6160.477491][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 6160.477696][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 6160.477887][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 6160.478078][ C2] [ 6160.478162][ C2] [ 6160.478259][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 6160.478461][ C2] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 6160.478620][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 6160.478817][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 6160.478978][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 6160.479136][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 6160.479261][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 6160.479420][ C2] ? eth_header (net/ethernet/eth.c:100) [ 6160.479676][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 6160.479834][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 6160.479998][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 6160.480160][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 6160.480398][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 6160.480520][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 6160.480678][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 6160.480837][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 6160.480996][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 6160.481231][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 6160.481393][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 6160.481549][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 6160.481706][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 6160.481982][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 6160.482174][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 6160.482330][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 6160.482490][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 6160.482793][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 6160.482951][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 6160.483110][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 6160.483262][ C2] process_one_work (kernel/workqueue.c:3254) [ 6160.483500][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 6160.483664][ C2] ? assign_work (kernel/workqueue.c:1209) [ 6160.483826][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 6160.483979][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 6160.484247][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6160.484401][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6160.484553][ C2] kthread (kernel/kthread.c:388) [ 6160.484685][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 6160.484846][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 6160.485079][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 6160.485241][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 6160.485410][ C2] | [ 6183.119790][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 6183.120237][ C2] rcu: 2-....: (1 GPs behind) idle=a8f4/1/0x4000000000000000 softirq=1873706/1873706 fqs=213476 | [ 6183.120581][ C2] rcu: (t=1040263 jiffies g=3277105 q=30921 ncpus=4) [ 6183.121157][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 6183.121520][ C2] Workqueue: mld mld_ifc_work [ 6183.121779][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6183.121948][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 6183.122601][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 6183.122809][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 6183.123049][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 6183.123400][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 6183.123643][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 6183.123893][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 6183.124225][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 6183.124514][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6183.124715][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 6183.125097][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 6183.125343][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 6183.125591][ C2] PKRU: 55555554 [ 6183.125715][ C2] Call Trace: [ 6183.125839][ C2] [ 6183.125926][ C2] ? rcu_dump_cpu_stacks (kernel/rcu/tree_stall.h:379) [ 6183.126102][ C2] ? print_cpu_stall (kernel/rcu/tree_stall.h:699) [ 6183.126293][ C2] ? tick_nohz_handler (kernel/time/tick-sched.c:220 kernel/time/tick-sched.c:287) [ 6183.126474][ C2] ? check_cpu_stall (kernel/rcu/tree_stall.h:799 (discriminator 2)) [ 6183.126649][ C2] ? rcu_pending (kernel/rcu/tree.c:3941 (discriminator 31)) [ 6183.126824][ C2] ? rcu_sched_clock_irq (kernel/rcu/tree.c:2297 (discriminator 22)) [ 6183.126991][ C2] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 6183.127248][ C2] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 6183.127417][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 6183.127579][ C2] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 6183.127746][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 6183.127999][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 6183.128168][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 6183.128334][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 6183.128548][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 6183.128808][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 6183.129025][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 6183.129242][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 6183.129449][ C2] [ 6183.129544][ C2] [ 6183.129629][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 6183.129843][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6183.130010][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 6183.130218][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 6183.130473][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 6183.130638][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 6183.130770][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 6183.130936][ C2] ? eth_header (net/ethernet/eth.c:100) [ 6183.131190][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 6183.131355][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 6183.131531][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 6183.131703][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 6183.131962][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 6183.132090][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 6183.132256][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 6183.132421][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 6183.132593][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 6183.132842][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 6183.133011][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 6183.133203][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 6183.133368][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 6183.133659][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 6183.133891][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 6183.134058][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 6183.134235][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 6183.134502][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 6183.134674][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 6183.134843][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 6183.135004][ C2] process_one_work (kernel/workqueue.c:3254) [ 6183.135259][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 6183.135449][ C2] ? assign_work (kernel/workqueue.c:1209) [ 6183.135620][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 6183.135786][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 6183.136087][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6183.136253][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6183.136426][ C2] kthread (kernel/kthread.c:388) [ 6183.136550][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 6183.136719][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 6183.136994][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 6183.137159][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 6190.405799][ T18] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 1017047 jiffies s: 809 root: 0x4/. | [ 6190.406253][ T18] rcu: blocking rcu_node structures (internal RCU debug): | [ 6190.406406][ T18] Sending NMI from CPU 0 to CPUs 2: | [ 6190.406537][ C2] NMI backtrace for cpu 2 [ 6190.406548][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 6190.406551][ C2] Workqueue: mld mld_ifc_work [ 6190.406559][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6190.406564][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 6190.406567][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 6190.406569][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 6190.406571][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 6190.406572][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 6190.406574][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 6190.406575][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 6190.406576][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 6190.406578][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6190.406581][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 6190.406582][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 6190.406584][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 6190.406585][ C2] PKRU: 55555554 [ 6190.406586][ C2] Call Trace: [ 6190.406588][ C2] [ 6190.406591][ C2] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 6190.406596][ C2] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 6190.406601][ C2] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 6190.406606][ C2] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 6190.406611][ C2] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 6190.406615][ C2] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 6190.406623][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6190.406626][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6190.406629][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6190.406632][ C2] [ 6190.406632][ C2] [ 6190.406633][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 6190.406638][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 6190.406644][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 6190.406647][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 6190.406651][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 6190.406654][ C2] ? eth_header (net/ethernet/eth.c:100) [ 6190.406658][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 6190.406662][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 6190.406668][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 6190.406675][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 6190.406680][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 6190.406683][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 6190.406687][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 6190.406690][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 6190.406694][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 6190.406696][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 6190.406700][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 6190.406704][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 6190.406706][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 6190.406711][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 6190.406714][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 6190.406716][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 6190.406721][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 6190.406725][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 6190.406730][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 6190.406735][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 6190.406738][ C2] process_one_work (kernel/workqueue.c:3254) [ 6190.406746][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 6190.406751][ C2] ? assign_work (kernel/workqueue.c:1209) [ 6190.406755][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 6190.406759][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 6190.406764][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6190.406767][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6190.406771][ C2] kthread (kernel/kthread.c:388) [ 6190.406775][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 6190.406778][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 6190.406781][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 6190.406783][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 6216.470066][ C2] hardirqs last enabled at (6952496): irqentry_exit (kernel/entry/common.c:352) | [ 6216.470342][ C2] hardirqs last disabled at (6952497): sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043) | [ 6216.470663][ C2] softirqs last enabled at (4804798): neigh_resolve_output (net/core/neighbour.c:1539 net/core/neighbour.c:1553 net/core/neighbour.c:1543) | [ 6216.470971][ C2] softirqs last disabled at (4804802): __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:833 net/core/dev.c:4260) [ 6216.471512][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 6216.471866][ C2] Workqueue: mld mld_ifc_work [ 6216.472104][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6216.472261][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 6216.472875][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 6216.473071][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 6216.473296][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 6216.473624][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 6216.473858][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 6216.474088][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 6216.474395][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 6216.474663][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6216.474940][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 6216.475174][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 6216.475406][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 6216.475719][ C2] PKRU: 55555554 [ 6216.475838][ C2] Call Trace: [ 6216.475952][ C2] [ 6216.476034][ C2] ? watchdog_timer_fn (kernel/watchdog.c:548) [ 6216.476231][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 6216.476466][ C2] ? __pfx_watchdog_timer_fn (kernel/watchdog.c:466) [ 6216.476622][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 6216.476782][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 6216.476940][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 6216.477095][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 6216.477373][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 6216.477537][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 6216.477735][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 6216.478011][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 6216.478204][ C2] [ 6216.478282][ C2] [ 6216.478362][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 6216.478562][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6216.478789][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 6216.478981][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 6216.479157][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 6216.479314][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 6216.479513][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 6216.479668][ C2] ? eth_header (net/ethernet/eth.c:100) [ 6216.479826][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 6216.479983][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 6216.480222][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 6216.480405][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 6216.480564][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 6216.480683][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 6216.480838][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 6216.481066][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 6216.481223][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 6216.481397][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 6216.481554][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 6216.481787][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 6216.481950][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 6216.482148][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 6216.482341][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 6216.482657][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 6216.482813][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 6216.482969][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 6216.483129][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 6216.483364][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 6216.483518][ C2] process_one_work (kernel/workqueue.c:3254) [ 6216.483576][ C2] [ 6216.483578][ C2] ====================================================== [ 6216.483578][ C2] WARNING: possible circular locking dependency detected [ 6216.483579][ C2] 6.8.0-virtme #1 Tainted: G L [ 6216.483581][ C2] ------------------------------------------------------ [ 6216.483582][ C2] kworker/2:1/50 is trying to acquire lock: [ 6216.483583][ C2] ffffffff8df57f58 (rcu_node_0){-.-.}-{2:2}, at: __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2704 kernel/rcu/tree.c:2750) [ 6216.483593][ C2] [ 6216.483593][ C2] but task is already holding lock: [ 6216.483593][ C2] ffffffff8de50960 (console_owner){-...}-{0:0}, at: console_flush_all (kernel/printk/printk.c:1843 kernel/printk/printk.c:2884 kernel/printk/printk.c:2956) [ 6216.483598][ C2] [ 6216.483598][ C2] which lock already depends on the new lock. [ 6216.483598][ C2] [ 6216.483599][ C2] [ 6216.483599][ C2] the existing dependency chain (in reverse order) is: [ 6216.483600][ C2] [ 6216.483600][ C2] -> #1 (console_owner){-...}-{0:0}: [ 6216.483603][ C2] __lock_acquire (kernel/locking/lockdep.c:5137) [ 6216.483605][ C2] lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 6216.483608][ C2] console_flush_all (kernel/printk/printk.c:2890 kernel/printk/printk.c:2956) [ 6216.483609][ C2] console_unlock (kernel/printk/printk.c:3026) [ 6216.483611][ C2] vprintk_emit (kernel/printk/printk.c:2292) [ 6216.483613][ C2] _printk (kernel/printk/printk.c:2312) [ 6216.483616][ C2] print_cpu_stall_info (kernel/rcu/tree_stall.h:441 kernel/rcu/tree_stall.h:524) [ 6216.483618][ C2] print_cpu_stall (kernel/rcu/tree_stall.h:687) [ 6216.483620][ C2] check_cpu_stall (kernel/rcu/tree_stall.h:799 (discriminator 2)) [ 6216.483622][ C2] rcu_pending (kernel/rcu/tree.c:3941 (discriminator 31)) [ 6216.483623][ C2] rcu_sched_clock_irq (kernel/rcu/tree.c:2297 (discriminator 22)) [ 6216.483625][ C2] update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 6216.483627][ C2] tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 6216.483631][ C2] __run_hrtimer (kernel/time/hrtimer.c:1692) [ 6216.483633][ C2] __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 6216.483635][ C2] hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 6216.483637][ C2] __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 6216.483639][ C2] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 6216.483642][ C2] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 6216.483644][ C2] team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6216.483645][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 6216.483648][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 6216.483650][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 6216.483653][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 6216.483655][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 6216.483658][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 6216.483660][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 6216.483662][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 6216.483664][ C2] process_one_work (kernel/workqueue.c:3254) [ 6216.483666][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 6216.483669][ C2] kthread (kernel/kthread.c:388) [ 6216.483672][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 6216.483675][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) [ 6216.483678][ C2] [ 6216.483678][ C2] -> #0 (rcu_node_0){-.-.}-{2:2}: [ 6216.483681][ C2] check_prev_add (kernel/locking/lockdep.c:3135) [ 6216.483683][ C2] validate_chain (kernel/locking/lockdep.c:3254 kernel/locking/lockdep.c:3869) [ 6216.483685][ C2] __lock_acquire (kernel/locking/lockdep.c:5137) [ 6216.483687][ C2] lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 6216.483690][ C2] _raw_spin_lock (./include/linux/spinlock_api_smp.h:134 kernel/locking/spinlock.c:154) [ 6216.483693][ C2] __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2704 kernel/rcu/tree.c:2750) [ 6216.483695][ C2] kfree (./include/linux/kmemleak.h:48 mm/slub.c:2087 mm/slub.c:4299 mm/slub.c:4409) [ 6216.483699][ C2] put_chars (drivers/char/virtio_console.c:1125) [ 6216.483703][ C2] hvc_console_print (drivers/tty/hvc/hvc_console.c:177) [ 6216.483706][ C2] console_flush_all (kernel/printk/printk.c:2890 kernel/printk/printk.c:2956) [ 6216.483707][ C2] console_unlock (kernel/printk/printk.c:3026) [ 6216.483709][ C2] vprintk_emit (kernel/printk/printk.c:2292) [ 6216.483711][ C2] _printk (kernel/printk/printk.c:2312) [ 6216.483713][ C2] show_trace_log_lvl (arch/x86/kernel/dumpstack.c:296) [ 6216.483716][ C2] watchdog_timer_fn (kernel/watchdog.c:548) [ 6216.483718][ C2] __run_hrtimer (kernel/time/hrtimer.c:1692) [ 6216.483720][ C2] __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 6216.483722][ C2] hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 6216.483724][ C2] __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 6216.483726][ C2] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 6216.483729][ C2] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 6216.483731][ C2] team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6216.483732][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 6216.483735][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 6216.483737][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 6216.483740][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 6216.483742][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 6216.483744][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 6216.483746][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 6216.483748][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 6216.483750][ C2] process_one_work (kernel/workqueue.c:3254) [ 6216.483753][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 6216.483755][ C2] kthread (kernel/kthread.c:388) [ 6216.483757][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 6216.483758][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) [ 6216.483761][ C2] [ 6216.483761][ C2] other info that might help us debug this: [ 6216.483761][ C2] [ 6216.483761][ C2] Possible unsafe locking scenario: [ 6216.483761][ C2] [ 6216.483762][ C2] CPU0 CPU1 [ 6216.483763][ C2] ---- ---- [ 6216.483763][ C2] lock(console_owner); [ 6216.483765][ C2] lock(rcu_node_0); [ 6216.483766][ C2] lock(console_owner); [ 6216.483768][ C2] lock(rcu_node_0); [ 6216.483769][ C2] [ 6216.483769][ C2] *** DEADLOCK *** [ 6216.483769][ C2] [ 6216.483770][ C2] 9 locks held by kworker/2:1/50: [ 6216.483771][ C2] #0: ffff888005358948 ((wq_completion)mld){+.+.}-{0:0}, at: process_one_work (kernel/workqueue.c:3229) [ 6216.483777][ C2] #1: ffffc90000377da0 ((work_completion)(&(&idev->mc_ifc_work)->work)){+.+.}-{0:0}, at: process_one_work (kernel/workqueue.c:3230) [ 6216.483782][ C2] #2: ffff888007d4ed38 (&idev->mc_lock){+.+.}-{3:3}, at: mld_ifc_work (net/ipv6/mcast.c:2650) [ 6216.483787][ C2] #3: ffffffff8df45160 (rcu_read_lock){....}-{1:2}, at: mld_sendpack (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 net/ipv6/mcast.c:1790) [ 6216.483792][ C2] #4: ffffffff8df45160 (rcu_read_lock){....}-{1:2}, at: ip6_finish_output2 (./include/linux/rcupdate.h:329 (discriminator 142) ./include/linux/rcupdate.h:781 (discriminator 142) net/ipv6/ip6_output.c:122 (discriminator 142)) [ 6216.483797][ C2] #5: ffffffff8df45100 (rcu_read_lock_bh){....}-{1:2}, at: __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:833 net/core/dev.c:4260) [ 6216.483802][ C2] #6: ffffffff8df30fc0 (console_lock){+.+.}-{0:0}, at: console_trylock_spinning (kernel/printk/printk.c:1912) [ 6216.483807][ C2] #7: ffffffff8df31030 (console_srcu){....}-{0:0}, at: console_flush_all (./include/linux/rcupdate.h:334 ./include/linux/srcu.h:232 kernel/printk/printk.c:286 kernel/printk/printk.c:2948) [ 6216.483812][ C2] #8: ffffffff8de50960 (console_owner){-...}-{0:0}, at: console_flush_all (kernel/printk/printk.c:1843 kernel/printk/printk.c:2884 kernel/printk/printk.c:2956) [ 6216.483816][ C2] [ 6216.483816][ C2] stack backtrace: [ 6216.483819][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 6216.483821][ C2] Workqueue: mld mld_ifc_work [ 6216.483823][ C2] Call Trace: [ 6216.483824][ C2] [ 6216.483825][ C2] dump_stack_lvl (lib/dump_stack.c:107) [ 6216.483829][ C2] check_noncircular (kernel/locking/lockdep.c:2187) [ 6216.483832][ C2] ? __pfx_unwind_next_frame (arch/x86/kernel/unwind_orc.c:469) [ 6216.483835][ C2] ? __pfx_check_noncircular (kernel/locking/lockdep.c:2163) [ 6216.483838][ C2] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:256) [ 6216.483840][ C2] ? kernel_text_address (kernel/extable.c:99) [ 6216.483844][ C2] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) [ 6216.483849][ C2] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:24) [ 6216.483854][ C2] check_prev_add (kernel/locking/lockdep.c:3135) [ 6216.483858][ C2] validate_chain (kernel/locking/lockdep.c:3254 kernel/locking/lockdep.c:3869) [ 6216.483862][ C2] ? __pfx_validate_chain (kernel/locking/lockdep.c:3825) [ 6216.483865][ C2] ? 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) [ 6216.483867][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 6216.483869][ C2] ? console_flush_all (kernel/printk/printk.c:2890 kernel/printk/printk.c:2956) [ 6216.483872][ C2] __lock_acquire (kernel/locking/lockdep.c:5137) [ 6216.483875][ C2] ? __dev_queue_xmit (net/core/dev.c:4295) [ 6216.483879][ C2] ? worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 6216.483882][ C2] lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 6216.483901][ C2] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2704 kernel/rcu/tree.c:2750) [ 6216.483905][ C2] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719) [ 6216.483908][ C2] ? __virt_addr_valid (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:894 ./include/linux/mmzone.h:2026 arch/x86/mm/physaddr.c:65) [ 6216.483913][ C2] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5725) [ 6216.483915][ C2] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2704 kernel/rcu/tree.c:2750) [ 6216.483919][ C2] ? __pfx_free_object_rcu (mm/kmemleak.c:508) [ 6216.483923][ C2] _raw_spin_lock (./include/linux/spinlock_api_smp.h:134 kernel/locking/spinlock.c:154) [ 6216.483925][ C2] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2704 kernel/rcu/tree.c:2750) [ 6216.483928][ C2] __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2704 kernel/rcu/tree.c:2750) [ 6216.483932][ C2] kfree (./include/linux/kmemleak.h:48 mm/slub.c:2087 mm/slub.c:4299 mm/slub.c:4409) [ 6216.483934][ C2] ? put_chars (drivers/char/virtio_console.c:1125) [ 6216.483938][ C2] put_chars (drivers/char/virtio_console.c:1125) [ 6216.483941][ C2] ? __pfx_put_chars (drivers/char/virtio_console.c:1108) [ 6216.483947][ C2] hvc_console_print (drivers/tty/hvc/hvc_console.c:177) [ 6216.483951][ C2] ? __pfx_hvc_console_print (drivers/tty/hvc/hvc_console.c:153) [ 6216.483954][ C2] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 6216.483957][ C2] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5725) [ 6216.483960][ C2] ? console_flush_all (kernel/printk/printk.c:1843 kernel/printk/printk.c:2884 kernel/printk/printk.c:2956) [ 6216.483963][ C2] console_flush_all (kernel/printk/printk.c:2890 kernel/printk/printk.c:2956) [ 6216.483966][ C2] ? __pfx_console_flush_all (kernel/printk/printk.c:2936) [ 6216.483969][ C2] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719) [ 6216.483973][ C2] console_unlock (kernel/printk/printk.c:3026) [ 6216.483975][ C2] ? __pfx_console_unlock (kernel/printk/printk.c:3003) [ 6216.483977][ C2] ? console_trylock_spinning (kernel/printk/printk.c:1912) [ 6216.483980][ C2] ? console_trylock_spinning (kernel/printk/printk.c:1912) [ 6216.483983][ C2] ? __down_trylock_console_sem (kernel/printk/printk.c:329) [ 6216.483986][ C2] ? console_trylock_spinning (kernel/printk/printk.c:1912) [ 6216.483989][ C2] ? console_trylock (kernel/printk/printk.c:2648 kernel/printk/printk.c:2643) [ 6216.483993][ C2] vprintk_emit (kernel/printk/printk.c:2292) [ 6216.483995][ C2] ? process_one_work (kernel/workqueue.c:3254) [ 6216.483998][ C2] _printk (kernel/printk/printk.c:2312) [ 6216.484001][ C2] ? __pfx__printk (kernel/printk/printk.c:2312) [ 6216.484004][ C2] ? is_bpf_text_address (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 kernel/bpf/core.c:769) [ 6216.484009][ C2] ? process_one_work (kernel/workqueue.c:3254) [ 6216.484012][ C2] ? process_one_work (kernel/workqueue.c:3254) [ 6216.484014][ C2] show_trace_log_lvl (arch/x86/kernel/dumpstack.c:296) [ 6216.484017][ C2] ? process_one_work (kernel/workqueue.c:3254) [ 6216.484022][ C2] ? process_one_work (kernel/workqueue.c:3254) [ 6216.484026][ C2] watchdog_timer_fn (kernel/watchdog.c:548) [ 6216.484029][ C2] __run_hrtimer (kernel/time/hrtimer.c:1692) [ 6216.484031][ C2] ? __pfx_watchdog_timer_fn (kernel/watchdog.c:466) [ 6216.484034][ C2] __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 6216.484038][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 6216.484041][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 6216.484043][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 6216.484048][ C2] hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 6216.484053][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 6216.484056][ C2] __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 6216.484059][ C2] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 6216.484062][ C2] [ 6216.484063][ C2] [ 6216.484064][ C2] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 6216.484066][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6216.484068][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 6216.484070][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 6216.484072][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 6216.484074][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 6216.484075][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 6216.484077][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 6216.484078][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 6216.484083][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 6216.484086][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 6216.484090][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 6216.484092][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 6216.484096][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 6216.484099][ C2] ? eth_header (net/ethernet/eth.c:100) [ 6216.484102][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 6216.484105][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 6216.484109][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 6216.484114][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 6216.484118][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 6216.484121][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 6216.484124][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 6216.484127][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 6216.484130][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 6216.484132][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 6216.484135][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 6216.484138][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 6216.484141][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 6216.484144][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 6216.484147][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 6216.484148][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 6216.484152][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 6216.484156][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 6216.484160][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 6216.484164][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 6216.484167][ C2] process_one_work (kernel/workqueue.c:3254) [ 6216.484172][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 6216.484177][ C2] ? assign_work (kernel/workqueue.c:1209) [ 6216.484180][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 6216.484183][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 6216.484187][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6216.484190][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6216.484193][ C2] kthread (kernel/kthread.c:388) [ 6216.484195][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 6216.484198][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 6216.484200][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 6216.484202][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 6244.469922][ C2] hardirqs last enabled at (6952496): irqentry_exit (kernel/entry/common.c:352) | [ 6244.470323][ C2] hardirqs last disabled at (6952497): sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043) | [ 6244.470619][ C2] softirqs last enabled at (4804798): neigh_resolve_output (net/core/neighbour.c:1539 net/core/neighbour.c:1553 net/core/neighbour.c:1543) | [ 6244.470970][ C2] softirqs last disabled at (4804802): __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:833 net/core/dev.c:4260) [ 6244.471462][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 6244.471863][ C2] Workqueue: mld mld_ifc_work [ 6244.472008][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6244.472151][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 6244.472711][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 6244.472976][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 6244.473188][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 6244.473397][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 6244.473680][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 6244.473891][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 6244.474101][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 6244.474425][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6244.474599][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 6244.474808][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 6244.475088][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 6244.475294][ C2] PKRU: 55555554 [ 6244.475397][ C2] Call Trace: [ 6244.475503][ C2] [ 6244.475648][ C2] ? watchdog_timer_fn (kernel/watchdog.c:548) [ 6244.475813][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 6244.475954][ C2] ? __pfx_watchdog_timer_fn (kernel/watchdog.c:466) [ 6244.476104][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 6244.476316][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 6244.476457][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 6244.476599][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 6244.476784][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 6244.476998][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 6244.477174][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 6244.477359][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 6244.477532][ C2] [ 6244.477674][ C2] [ 6244.477744][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 6244.477920][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6244.478059][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 6244.478233][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 6244.478442][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 6244.478583][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 6244.478693][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 6244.478833][ C2] ? eth_header (net/ethernet/eth.c:100) [ 6244.479063][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 6244.479205][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 6244.479348][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 6244.479493][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 6244.479708][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 6244.479815][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 6244.479959][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 6244.480100][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 6244.480240][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 6244.480450][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 6244.480592][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 6244.480735][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 6244.480877][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 6244.481197][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 6244.481374][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 6244.481516][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 6244.481662][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 6244.481888][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 6244.482043][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 6244.482183][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 6244.482322][ C2] process_one_work (kernel/workqueue.c:3254) [ 6244.482467][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 6244.482608][ C2] ? assign_work (kernel/workqueue.c:1209) [ 6244.482752][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 6244.482891][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 6244.483067][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6244.483205][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6244.483343][ C2] kthread (kernel/kthread.c:388) [ 6244.483450][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 6244.483590][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 6244.483729][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 6244.483868][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 6244.484009][ C2] | [ 6261.140784][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 6261.141231][ C2] rcu: 2-....: (1 GPs behind) idle=a8f4/1/0x4000000000000000 softirq=1873706/1873706 fqs=237519 | [ 6261.141535][ C2] rcu: (t=1118284 jiffies g=3277105 q=33370 ncpus=4) [ 6261.141983][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 6261.142321][ C2] Workqueue: mld mld_ifc_work [ 6261.142563][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 6261.142718][ C2] Code: 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 29 f0 0f b7 c8 <39> ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 89 04 24 e8 All code ======== 0: 05 80 fa 03 7e add $0x7e03fa80,%eax 5: 36 8b 55 28 ss mov 0x28(%rbp),%edx 9: 44 39 ea cmp %r13d,%edx c: 76 15 jbe 0x23 e: 48 83 c4 10 add $0x10,%rsp 12: 5d pop %rbp 13: 41 5c pop %r12 15: 41 5d pop %r13 17: c3 ret 18: cc int3 19: cc int3 1a: cc int3 1b: cc int3 1c: 31 c0 xor %eax,%eax 1e: 45 31 ed xor %r13d,%r13d 21: eb 92 jmp 0xffffffffffffffb5 23: 89 d6 mov %edx,%esi 25: 29 f0 sub %esi,%eax 27: 0f b7 c8 movzwl %ax,%ecx 2a:* 39 ca cmp %ecx,%edx <-- trapping instruction 2c: 76 f7 jbe 0x25 2e: 48 83 c4 10 add $0x10,%rsp 32: 5d pop %rbp 33: 41 5c pop %r12 35: 41 5d pop %r13 37: c3 ret 38: cc int3 39: cc int3 3a: cc int3 3b: cc int3 3c: 89 04 24 mov %eax,(%rsp) 3f: e8 .byte 0xe8 Code starting with the faulting instruction =========================================== 0: 39 ca cmp %ecx,%edx 2: 76 f7 jbe 0xfffffffffffffffb 4: 48 83 c4 10 add $0x10,%rsp 8: 5d pop %rbp 9: 41 5c pop %r12 b: 41 5d pop %r13 d: c3 ret e: cc int3 f: cc int3 10: cc int3 11: cc int3 12: 89 04 24 mov %eax,(%rsp) 15: e8 .byte 0xe8 [ 6261.143333][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 6261.143523][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 6261.143742][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 6261.144041][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 6261.144262][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 6261.144485][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 6261.144805][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 6261.145066][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6261.145254][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 6261.145567][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 6261.145794][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 6261.146047][ C2] PKRU: 55555554 [ 6261.146237][ C2] Call Trace: [ 6261.146347][ C2] [ 6261.146424][ C2] ? rcu_dump_cpu_stacks (kernel/rcu/tree_stall.h:379) [ 6261.146578][ C2] ? print_cpu_stall (kernel/rcu/tree_stall.h:699) [ 6261.146728][ C2] ? check_cpu_stall (kernel/rcu/tree_stall.h:799 (discriminator 2)) [ 6261.146981][ C2] ? debug_object_deactivate (lib/debugobjects.c:779) [ 6261.147135][ C2] ? rcu_pending (kernel/rcu/tree.c:3941 (discriminator 31)) [ 6261.147293][ C2] ? rcu_sched_clock_irq (kernel/rcu/tree.c:2297 (discriminator 22)) [ 6261.147440][ C2] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 6261.147586][ C2] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 6261.147756][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 6261.147905][ C2] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 6261.148056][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 6261.148209][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 6261.148358][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 6261.148509][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 6261.148701][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 6261.149019][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 6261.149203][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 6261.149400][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 6261.149590][ C2] [ 6261.149745][ C2] [ 6261.149822][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 6261.150011][ C2] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 6261.150161][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 6261.150346][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 6261.150576][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 6261.150725][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 6261.150841][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 6261.150993][ C2] ? eth_header (net/ethernet/eth.c:100) [ 6261.151223][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 6261.151372][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 6261.151523][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 6261.151675][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 6261.151906][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 6261.152020][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 6261.152168][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 6261.152319][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 6261.152470][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 6261.152700][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 6261.152850][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 6261.153001][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 6261.153159][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 6261.153418][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 6261.153598][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 6261.153747][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 6261.153894][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 6261.154121][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 6261.154269][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 6261.154416][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 6261.154565][ C2] process_one_work (kernel/workqueue.c:3254) [ 6261.154813][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 6261.154966][ C2] ? assign_work (kernel/workqueue.c:1209) [ 6261.155118][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 6261.155269][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 6261.155537][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6261.155687][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6261.155836][ C2] kthread (kernel/kthread.c:388) [ 6261.155965][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 6261.156139][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 6261.156367][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 6261.156515][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 6288.470001][ C2] hardirqs last enabled at (6952496): irqentry_exit (kernel/entry/common.c:352) | [ 6288.470265][ C2] hardirqs last disabled at (6952497): sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043) | [ 6288.470557][ C2] softirqs last enabled at (4804798): neigh_resolve_output (net/core/neighbour.c:1539 net/core/neighbour.c:1553 net/core/neighbour.c:1543) | [ 6288.470835][ C2] softirqs last disabled at (4804802): __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:833 net/core/dev.c:4260) [ 6288.471397][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 6288.471725][ C2] Workqueue: mld mld_ifc_work [ 6288.471941][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 6288.472087][ C2] Code: 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 29 f0 0f b7 c8 <39> ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 89 04 24 e8 All code ======== 0: 05 80 fa 03 7e add $0x7e03fa80,%eax 5: 36 8b 55 28 ss mov 0x28(%rbp),%edx 9: 44 39 ea cmp %r13d,%edx c: 76 15 jbe 0x23 e: 48 83 c4 10 add $0x10,%rsp 12: 5d pop %rbp 13: 41 5c pop %r12 15: 41 5d pop %r13 17: c3 ret 18: cc int3 19: cc int3 1a: cc int3 1b: cc int3 1c: 31 c0 xor %eax,%eax 1e: 45 31 ed xor %r13d,%r13d 21: eb 92 jmp 0xffffffffffffffb5 23: 89 d6 mov %edx,%esi 25: 29 f0 sub %esi,%eax 27: 0f b7 c8 movzwl %ax,%ecx 2a:* 39 ca cmp %ecx,%edx <-- trapping instruction 2c: 76 f7 jbe 0x25 2e: 48 83 c4 10 add $0x10,%rsp 32: 5d pop %rbp 33: 41 5c pop %r12 35: 41 5d pop %r13 37: c3 ret 38: cc int3 39: cc int3 3a: cc int3 3b: cc int3 3c: 89 04 24 mov %eax,(%rsp) 3f: e8 .byte 0xe8 Code starting with the faulting instruction =========================================== 0: 39 ca cmp %ecx,%edx 2: 76 f7 jbe 0xfffffffffffffffb 4: 48 83 c4 10 add $0x10,%rsp 8: 5d pop %rbp 9: 41 5c pop %r12 b: 41 5d pop %r13 d: c3 ret e: cc int3 f: cc int3 10: cc int3 11: cc int3 12: 89 04 24 mov %eax,(%rsp) 15: e8 .byte 0xe8 [ 6288.472725][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 6288.472900][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 6288.473108][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 6288.473387][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 6288.473595][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 6288.473804][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 6288.474084][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 6288.474324][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6288.474502][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 6288.474779][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 6288.474989][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 6288.475197][ C2] PKRU: 55555554 [ 6288.475390][ C2] Call Trace: [ 6288.475499][ C2] [ 6288.475574][ C2] ? watchdog_timer_fn (kernel/watchdog.c:548) [ 6288.475717][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 6288.475864][ C2] ? __pfx_watchdog_timer_fn (kernel/watchdog.c:466) [ 6288.476078][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 6288.476225][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 6288.476365][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 6288.476510][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 6288.476756][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 6288.476899][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 6288.477076][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 6288.477250][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 6288.477500][ C2] [ 6288.477571][ C2] [ 6288.477643][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 6288.477821][ C2] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 6288.477963][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 6288.478211][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 6288.478354][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 6288.478495][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 6288.478604][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 6288.478817][ C2] ? eth_header (net/ethernet/eth.c:100) [ 6288.478965][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 6288.479117][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 6288.479274][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 6288.479490][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 6288.479632][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 6288.479740][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 6288.479881][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 6288.480024][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 6288.480237][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 6288.480379][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 6288.480531][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 6288.480669][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 6288.480889][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 6288.481060][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 6288.481248][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 6288.481389][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 6288.481533][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 6288.481673][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 6288.481815][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 6288.481957][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 6288.482099][ C2] process_one_work (kernel/workqueue.c:3254) [ 6288.482243][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 6288.482397][ C2] ? assign_work (kernel/workqueue.c:1209) [ 6288.482538][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 6288.482677][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 6288.482850][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6288.482988][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6288.483124][ C2] kthread (kernel/kthread.c:388) [ 6288.483370][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 6288.483508][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 6288.483645][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 6288.483785][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 6288.709787][ T18] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 1115351 jiffies s: 809 root: 0x4/. | [ 6288.710153][ T18] rcu: blocking rcu_node structures (internal RCU debug): | [ 6288.710283][ T18] Sending NMI from CPU 0 to CPUs 2: | [ 6288.710401][ C2] NMI backtrace for cpu 2 [ 6288.710407][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 6288.710409][ C2] Workqueue: mld mld_ifc_work [ 6288.710412][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6288.710414][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 6288.710417][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 6288.710419][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 6288.710420][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 6288.710421][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 6288.710423][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 6288.710424][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 6288.710425][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 6288.710427][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6288.710430][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 6288.710431][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 6288.710432][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 6288.710434][ C2] PKRU: 55555554 [ 6288.710434][ C2] Call Trace: [ 6288.710436][ C2] [ 6288.710437][ C2] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 6288.710441][ C2] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 6288.710445][ C2] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 6288.710449][ C2] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 6288.710452][ C2] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 6288.710455][ C2] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 6288.710460][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6288.710462][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6288.710465][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6288.710467][ C2] [ 6288.710468][ C2] [ 6288.710469][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 6288.710472][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 6288.710476][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 6288.710479][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 6288.710482][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 6288.710484][ C2] ? eth_header (net/ethernet/eth.c:100) [ 6288.710488][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 6288.710490][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 6288.710495][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 6288.710500][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 6288.710504][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 6288.710507][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 6288.710510][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 6288.710513][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 6288.710515][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 6288.710518][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 6288.710521][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 6288.710523][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 6288.710526][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 6288.710529][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 6288.710532][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 6288.710534][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 6288.710537][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 6288.710541][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 6288.710545][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 6288.710549][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 6288.710552][ C2] process_one_work (kernel/workqueue.c:3254) [ 6288.710557][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 6288.710562][ C2] ? assign_work (kernel/workqueue.c:1209) [ 6288.710565][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 6288.710568][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 6288.710572][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6288.710575][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6288.710578][ C2] kthread (kernel/kthread.c:388) [ 6288.710580][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 6288.710583][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 6288.710585][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 6288.710587][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 6316.469950][ C2] hardirqs last enabled at (6952496): irqentry_exit (kernel/entry/common.c:352) | [ 6316.470200][ C2] hardirqs last disabled at (6952497): sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043) | [ 6316.470559][ C2] softirqs last enabled at (4804798): neigh_resolve_output (net/core/neighbour.c:1539 net/core/neighbour.c:1553 net/core/neighbour.c:1543) | [ 6316.470843][ C2] softirqs last disabled at (4804802): __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:833 net/core/dev.c:4260) [ 6316.471413][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 6316.471804][ C2] Workqueue: mld mld_ifc_work [ 6316.471949][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6316.472111][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 6316.472701][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 6316.472879][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 6316.473161][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 6316.473375][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 6316.473585][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 6316.473878][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 6316.474084][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 6316.474416][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6316.474599][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 6316.474811][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 6316.475093][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 6316.475304][ C2] PKRU: 55555554 [ 6316.475409][ C2] Call Trace: [ 6316.475516][ C2] [ 6316.475595][ C2] ? watchdog_timer_fn (kernel/watchdog.c:548) [ 6316.475853][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 6316.475995][ C2] ? __pfx_watchdog_timer_fn (kernel/watchdog.c:466) [ 6316.476135][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 6316.476280][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 6316.476424][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 6316.476567][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 6316.476743][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 6316.476888][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 6316.477065][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 6316.477241][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 6316.477425][ C2] [ 6316.477495][ C2] [ 6316.477566][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 6316.477811][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6316.477949][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 6316.478125][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 6316.478277][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 6316.478491][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 6316.478597][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 6316.478738][ C2] ? eth_header (net/ethernet/eth.c:100) [ 6316.478881][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 6316.479094][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 6316.479238][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 6316.479383][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 6316.479534][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 6316.479639][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 6316.479866][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 6316.480007][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 6316.480151][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 6316.480294][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 6316.480507][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 6316.480647][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 6316.480788][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 6316.480961][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 6316.481212][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 6316.481352][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 6316.481493][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 6316.481633][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 6316.481846][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 6316.481990][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 6316.482133][ C2] process_one_work (kernel/workqueue.c:3254) [ 6316.482277][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 6316.482490][ C2] ? assign_work (kernel/workqueue.c:1209) [ 6316.482631][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 6316.482771][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 6316.482946][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6316.483163][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6316.483313][ C2] kthread (kernel/kthread.c:388) [ 6316.483417][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 6316.483555][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 6316.483693][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 6316.483910][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 6316.484048][ C2] | [ 6339.160773][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 6339.161105][ C2] rcu: 2-....: (1 GPs behind) idle=a8f4/1/0x4000000000000000 softirq=1873706/1873706 fqs=266938 | [ 6339.161409][ C2] rcu: (t=1196304 jiffies g=3277105 q=34829 ncpus=4) [ 6339.161886][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 6339.162221][ C2] Workqueue: mld mld_ifc_work [ 6339.162380][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6339.162538][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 6339.163068][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 6339.163350][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 6339.163569][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 6339.163791][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 6339.164093][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 6339.164312][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 6339.164532][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 6339.164943][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6339.165130][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 6339.165427][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 6339.165669][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 6339.165891][ C2] PKRU: 55555554 [ 6339.166004][ C2] Call Trace: [ 6339.166195][ C2] [ 6339.166276][ C2] ? rcu_dump_cpu_stacks (kernel/rcu/tree_stall.h:379) [ 6339.166427][ C2] ? print_cpu_stall (kernel/rcu/tree_stall.h:699) [ 6339.166576][ C2] ? check_cpu_stall (kernel/rcu/tree_stall.h:799 (discriminator 2)) [ 6339.166723][ C2] ? debug_object_deactivate (lib/debugobjects.c:779) [ 6339.166981][ C2] ? rcu_pending (kernel/rcu/tree.c:3941 (discriminator 31)) [ 6339.167133][ C2] ? rcu_sched_clock_irq (kernel/rcu/tree.c:2297 (discriminator 22)) [ 6339.167287][ C2] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 6339.167434][ C2] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 6339.167585][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 6339.167730][ C2] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 6339.167877][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 6339.168023][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 6339.168170][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 6339.168317][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 6339.168520][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 6339.168673][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 6339.168942][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 6339.169128][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 6339.169315][ C2] [ 6339.169391][ C2] [ 6339.169468][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 6339.169733][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6339.169883][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 6339.170071][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 6339.170228][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 6339.170455][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 6339.170567][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 6339.170715][ C2] ? eth_header (net/ethernet/eth.c:100) [ 6339.170865][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 6339.171092][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 6339.171245][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 6339.171396][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 6339.171555][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 6339.171665][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 6339.171890][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 6339.172038][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 6339.172185][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 6339.172333][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 6339.172483][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 6339.172631][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 6339.172779][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 6339.172962][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 6339.173145][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 6339.173290][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 6339.173457][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 6339.173608][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 6339.173838][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 6339.173988][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 6339.174139][ C2] process_one_work (kernel/workqueue.c:3254) [ 6339.174292][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 6339.174522][ C2] ? assign_work (kernel/workqueue.c:1209) [ 6339.174671][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 6339.174820][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 6339.175006][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6339.175235][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6339.175388][ C2] kthread (kernel/kthread.c:388) [ 6339.175503][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 6339.175658][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 6339.175807][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 6339.176114][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 6364.469949][ C2] hardirqs last enabled at (6952496): irqentry_exit (kernel/entry/common.c:352) | [ 6364.470277][ C2] hardirqs last disabled at (6952497): sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043) | [ 6364.470550][ C2] softirqs last enabled at (4804798): neigh_resolve_output (net/core/neighbour.c:1539 net/core/neighbour.c:1553 net/core/neighbour.c:1543) | [ 6364.470902][ C2] softirqs last disabled at (4804802): __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:833 net/core/dev.c:4260) [ 6364.471409][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 6364.471725][ C2] Workqueue: mld mld_ifc_work [ 6364.471872][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6364.472023][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 6364.472517][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 6364.472695][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 6364.472914][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 6364.473126][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 6364.473411][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 6364.473619][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 6364.473830][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 6364.474149][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6364.474330][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 6364.474540][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 6364.474825][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 6364.475036][ C2] PKRU: 55555554 [ 6364.475142][ C2] Call Trace: [ 6364.475320][ C2] [ 6364.475393][ C2] ? watchdog_timer_fn (kernel/watchdog.c:548) [ 6364.475570][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 6364.475711][ C2] ? __pfx_watchdog_timer_fn (kernel/watchdog.c:466) [ 6364.475853][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 6364.476068][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 6364.476210][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 6364.476351][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 6364.476529][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 6364.476746][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 6364.476924][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 6364.477099][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 6364.477274][ C2] [ 6364.477416][ C2] [ 6364.477486][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 6364.477663][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6364.477802][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 6364.478063][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 6364.478202][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 6364.478340][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 6364.478446][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 6364.478584][ C2] ? eth_header (net/ethernet/eth.c:100) [ 6364.478796][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 6364.478936][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 6364.479077][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 6364.479219][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 6364.479497][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 6364.479601][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 6364.479739][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 6364.479878][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 6364.480020][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 6364.480231][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 6364.480370][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 6364.480509][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 6364.480668][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 6364.480935][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 6364.481112][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 6364.481251][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 6364.481397][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 6364.481537][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 6364.481680][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 6364.481833][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 6364.481974][ C2] process_one_work (kernel/workqueue.c:3254) [ 6364.482116][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 6364.482255][ C2] ? assign_work (kernel/workqueue.c:1209) [ 6364.482394][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 6364.482533][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 6364.482721][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6364.482865][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6364.483007][ C2] kthread (kernel/kthread.c:388) [ 6364.483115][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 6364.483327][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 6364.483466][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 6364.483607][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 6387.013787][ T18] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 1213655 jiffies s: 809 root: 0x4/. | [ 6387.014124][ T18] rcu: blocking rcu_node structures (internal RCU debug): | [ 6387.014262][ T18] Sending NMI from CPU 0 to CPUs 2: | [ 6387.014434][ C2] NMI backtrace for cpu 2 [ 6387.014446][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 6387.014449][ C2] Workqueue: mld mld_ifc_work [ 6387.014457][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6387.014462][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 6387.014465][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 6387.014467][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 6387.014469][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 6387.014471][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 6387.014472][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 6387.014474][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 6387.014476][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 6387.014478][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6387.014481][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 6387.014482][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 6387.014484][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 6387.014485][ C2] PKRU: 55555554 [ 6387.014486][ C2] Call Trace: [ 6387.014489][ C2] [ 6387.014493][ C2] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 6387.014498][ C2] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 6387.014502][ C2] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 6387.014508][ C2] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 6387.014513][ C2] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 6387.014516][ C2] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 6387.014523][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6387.014525][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6387.014528][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6387.014530][ C2] [ 6387.014531][ C2] [ 6387.014532][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 6387.014537][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 6387.014543][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 6387.014547][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 6387.014550][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 6387.014553][ C2] ? eth_header (net/ethernet/eth.c:100) [ 6387.014558][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 6387.014561][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 6387.014567][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 6387.014574][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 6387.014578][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 6387.014582][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 6387.014585][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 6387.014588][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 6387.014591][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 6387.014594][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 6387.014597][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 6387.014601][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 6387.014604][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 6387.014608][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 6387.014611][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 6387.014613][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 6387.014617][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 6387.014622][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 6387.014626][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 6387.014630][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 6387.014633][ C2] process_one_work (kernel/workqueue.c:3254) [ 6387.014640][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 6387.014645][ C2] ? assign_work (kernel/workqueue.c:1209) [ 6387.014648][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 6387.014652][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 6387.014656][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6387.014659][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6387.014662][ C2] kthread (kernel/kthread.c:388) [ 6387.014665][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 6387.014668][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 6387.014671][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 6387.014673][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 6412.469883][ C2] hardirqs last enabled at (6952496): irqentry_exit (kernel/entry/common.c:352) | [ 6412.470130][ C2] hardirqs last disabled at (6952497): sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043) | [ 6412.470482][ C2] softirqs last enabled at (4804798): neigh_resolve_output (net/core/neighbour.c:1539 net/core/neighbour.c:1553 net/core/neighbour.c:1543) | [ 6412.470763][ C2] softirqs last disabled at (4804802): __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:833 net/core/dev.c:4260) [ 6412.471330][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 6412.471721][ C2] Workqueue: mld mld_ifc_work [ 6412.471873][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6412.472019][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 6412.472600][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 6412.472782][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 6412.472991][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 6412.473349][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 6412.473560][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 6412.473873][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 6412.474086][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 6412.474329][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6412.474505][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 6412.474716][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 6412.474925][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 6412.475133][ C2] PKRU: 55555554 [ 6412.475259][ C2] Call Trace: [ 6412.475365][ C2] [ 6412.475438][ C2] ? watchdog_timer_fn (kernel/watchdog.c:548) [ 6412.475581][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 6412.475731][ C2] ? __pfx_watchdog_timer_fn (kernel/watchdog.c:466) [ 6412.475874][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 6412.476014][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 6412.476158][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 6412.476374][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 6412.476563][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 6412.476705][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 6412.476878][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 6412.477118][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 6412.477308][ C2] [ 6412.477382][ C2] [ 6412.477452][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 6412.477632][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6412.477844][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 6412.478022][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 6412.478165][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 6412.478309][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 6412.478488][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 6412.478628][ C2] ? eth_header (net/ethernet/eth.c:100) [ 6412.478776][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 6412.478920][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 6412.479135][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 6412.479279][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 6412.479422][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 6412.479529][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 6412.479672][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 6412.479885][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 6412.480030][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 6412.480174][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 6412.480316][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 6412.480458][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 6412.480601][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 6412.480783][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 6412.480968][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 6412.481106][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 6412.481249][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 6412.481392][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 6412.481535][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 6412.481676][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 6412.481818][ C2] process_one_work (kernel/workqueue.c:3254) [ 6412.481966][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 6412.482111][ C2] ? assign_work (kernel/workqueue.c:1209) [ 6412.482348][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 6412.482492][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 6412.482671][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6412.482813][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6412.483025][ C2] kthread (kernel/kthread.c:388) [ 6412.483133][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 6412.483274][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 6412.483415][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 6412.483557][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 6412.483842][ C2] | [ 6417.178773][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 6417.179044][ C2] rcu: 2-....: (1 GPs behind) idle=a8f4/1/0x4000000000000000 softirq=1873706/1873706 fqs=296278 | [ 6417.179421][ C2] rcu: (t=1274322 jiffies g=3277105 q=36288 ncpus=4) [ 6417.179908][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 6417.180327][ C2] Workqueue: mld mld_ifc_work [ 6417.180483][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6417.180640][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 6417.181272][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 6417.181461][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 6417.181682][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 6417.181900][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 6417.182120][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 6417.182340][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 6417.182565][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 6417.182820][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6417.183007][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 6417.183228][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 6417.183530][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 6417.183749][ C2] PKRU: 55555554 [ 6417.183858][ C2] Call Trace: [ 6417.183969][ C2] [ 6417.184048][ C2] ? rcu_dump_cpu_stacks (kernel/rcu/tree_stall.h:379) [ 6417.184275][ C2] ? print_cpu_stall (kernel/rcu/tree_stall.h:699) [ 6417.184422][ C2] ? check_cpu_stall (kernel/rcu/tree_stall.h:799 (discriminator 2)) [ 6417.184571][ C2] ? debug_object_deactivate (lib/debugobjects.c:779) [ 6417.184721][ C2] ? rcu_pending (kernel/rcu/tree.c:3941 (discriminator 31)) [ 6417.184969][ C2] ? rcu_sched_clock_irq (kernel/rcu/tree.c:2297 (discriminator 22)) [ 6417.185118][ C2] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 6417.185291][ C2] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 6417.185442][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 6417.185591][ C2] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 6417.185741][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 6417.185892][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 6417.186042][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 6417.186195][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 6417.186384][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 6417.186537][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 6417.186724][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 6417.186991][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 6417.187176][ C2] [ 6417.187253][ C2] [ 6417.187328][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 6417.187519][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6417.187752][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 6417.187938][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 6417.188091][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 6417.188241][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 6417.188433][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 6417.188590][ C2] ? eth_header (net/ethernet/eth.c:100) [ 6417.188739][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 6417.188888][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 6417.189114][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 6417.189263][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 6417.189412][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 6417.189523][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 6417.189670][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 6417.190022][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 6417.190171][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 6417.190321][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 6417.190471][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 6417.190623][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 6417.190773][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 6417.190960][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 6417.191157][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 6417.191302][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 6417.191449][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 6417.191598][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 6417.191747][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 6417.191973][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 6417.192119][ C2] process_one_work (kernel/workqueue.c:3254) [ 6417.192268][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 6417.192413][ C2] ? assign_work (kernel/workqueue.c:1209) [ 6417.192636][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 6417.192785][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 6417.192991][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6417.193138][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6417.193367][ C2] kthread (kernel/kthread.c:388) [ 6417.193482][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 6417.193630][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 6417.193778][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 6417.193929][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 6444.469945][ C2] hardirqs last enabled at (6952496): irqentry_exit (kernel/entry/common.c:352) | [ 6444.470265][ C2] hardirqs last disabled at (6952497): sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043) | [ 6444.470546][ C2] softirqs last enabled at (4804798): neigh_resolve_output (net/core/neighbour.c:1539 net/core/neighbour.c:1553 net/core/neighbour.c:1543) | [ 6444.470830][ C2] softirqs last disabled at (4804802): __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:833 net/core/dev.c:4260) [ 6444.471400][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 6444.471797][ C2] Workqueue: mld mld_ifc_work [ 6444.471946][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6444.472092][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 6444.472662][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 6444.472846][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 6444.473135][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 6444.473341][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 6444.473550][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 6444.473830][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 6444.474041][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 6444.474353][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6444.474526][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 6444.474738][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 6444.475018][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 6444.475250][ C2] PKRU: 55555554 [ 6444.475355][ C2] Call Trace: [ 6444.475460][ C2] [ 6444.475534][ C2] ? watchdog_timer_fn (kernel/watchdog.c:548) [ 6444.475824][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 6444.475963][ C2] ? __pfx_watchdog_timer_fn (kernel/watchdog.c:466) [ 6444.476104][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 6444.476246][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 6444.476465][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 6444.476603][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 6444.476784][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 6444.476925][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 6444.477171][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 6444.477343][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 6444.477534][ C2] [ 6444.477605][ C2] [ 6444.477678][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 6444.477935][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6444.478078][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 6444.478255][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 6444.478401][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 6444.478542][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 6444.478650][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 6444.478800][ C2] ? eth_header (net/ethernet/eth.c:100) [ 6444.478941][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 6444.479098][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 6444.479244][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 6444.479388][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 6444.479529][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 6444.479638][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 6444.479780][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 6444.479922][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 6444.480065][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 6444.480208][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 6444.480421][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 6444.480570][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 6444.480710][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 6444.480882][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 6444.481121][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 6444.481256][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 6444.481396][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 6444.481550][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 6444.481761][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 6444.481902][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 6444.482042][ C2] process_one_work (kernel/workqueue.c:3254) [ 6444.482184][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 6444.482398][ C2] ? assign_work (kernel/workqueue.c:1209) [ 6444.482539][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 6444.482683][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 6444.482862][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6444.483075][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6444.483216][ C2] kthread (kernel/kthread.c:388) [ 6444.483323][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 6444.483463][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 6444.483679][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 6444.483830][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 6472.469950][ C2] hardirqs last enabled at (6952496): irqentry_exit (kernel/entry/common.c:352) | [ 6472.470280][ C2] hardirqs last disabled at (6952497): sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043) | [ 6472.470554][ C2] softirqs last enabled at (4804798): neigh_resolve_output (net/core/neighbour.c:1539 net/core/neighbour.c:1553 net/core/neighbour.c:1543) | [ 6472.470900][ C2] softirqs last disabled at (4804802): __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:833 net/core/dev.c:4260) [ 6472.471531][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 6472.471844][ C2] Workqueue: mld mld_ifc_work [ 6472.471989][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6472.472204][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 6472.472693][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 6472.472968][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 6472.473177][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 6472.473385][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 6472.473598][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 6472.473822][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 6472.474036][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 6472.474280][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6472.474458][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 6472.474671][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 6472.474890][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 6472.475105][ C2] PKRU: 55555554 [ 6472.475212][ C2] Call Trace: [ 6472.475390][ C2] [ 6472.475467][ C2] ? watchdog_timer_fn (kernel/watchdog.c:548) [ 6472.475610][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 6472.475751][ C2] ? __pfx_watchdog_timer_fn (kernel/watchdog.c:466) [ 6472.475894][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 6472.476108][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 6472.476253][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 6472.476407][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 6472.476589][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 6472.476803][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 6472.476978][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 6472.477154][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 6472.477397][ C2] [ 6472.477473][ C2] [ 6472.477545][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 6472.477729][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6472.477866][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 6472.478114][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 6472.478272][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 6472.478413][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 6472.478524][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 6472.478667][ C2] ? eth_header (net/ethernet/eth.c:100) [ 6472.478880][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 6472.479023][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 6472.479164][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 6472.479305][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 6472.479527][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 6472.479633][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 6472.479775][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 6472.479933][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 6472.480147][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 6472.480290][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 6472.480434][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 6472.480577][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 6472.480717][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 6472.480986][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 6472.481161][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 6472.481301][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 6472.481450][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 6472.481592][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 6472.481733][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 6472.481885][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 6472.482023][ C2] process_one_work (kernel/workqueue.c:3254) [ 6472.482177][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 6472.482319][ C2] ? assign_work (kernel/workqueue.c:1209) [ 6472.482461][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 6472.482603][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 6472.482851][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6472.482991][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6472.483130][ C2] kthread (kernel/kthread.c:388) [ 6472.483236][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 6472.483451][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 6472.483591][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 6472.483729][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 6485.317787][ T18] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 1311959 jiffies s: 809 root: 0x4/. | [ 6485.318151][ T18] rcu: blocking rcu_node structures (internal RCU debug): | [ 6485.318281][ T18] Sending NMI from CPU 0 to CPUs 2: | [ 6485.318454][ C2] NMI backtrace for cpu 2 [ 6485.318465][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 6485.318468][ C2] Workqueue: mld mld_ifc_work [ 6485.318476][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6485.318482][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 6485.318485][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 6485.318487][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 6485.318489][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 6485.318490][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 6485.318492][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 6485.318493][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 6485.318495][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 6485.318497][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6485.318501][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 6485.318502][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 6485.318503][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 6485.318505][ C2] PKRU: 55555554 [ 6485.318506][ C2] Call Trace: [ 6485.318509][ C2] [ 6485.318512][ C2] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 6485.318516][ C2] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 6485.318521][ C2] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 6485.318526][ C2] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 6485.318531][ C2] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 6485.318534][ C2] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 6485.318541][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6485.318544][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6485.318547][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6485.318549][ C2] [ 6485.318550][ C2] [ 6485.318551][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 6485.318556][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 6485.318563][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 6485.318566][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 6485.318570][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 6485.318573][ C2] ? eth_header (net/ethernet/eth.c:100) [ 6485.318578][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 6485.318582][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 6485.318587][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 6485.318594][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 6485.318598][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 6485.318602][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 6485.318605][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 6485.318608][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 6485.318611][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 6485.318614][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 6485.318617][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 6485.318621][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 6485.318624][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 6485.318629][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 6485.318632][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 6485.318634][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 6485.318638][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 6485.318642][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 6485.318647][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 6485.318651][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 6485.318654][ C2] process_one_work (kernel/workqueue.c:3254) [ 6485.318661][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 6485.318665][ C2] ? assign_work (kernel/workqueue.c:1209) [ 6485.318669][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 6485.318672][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 6485.318677][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6485.318680][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6485.318683][ C2] kthread (kernel/kthread.c:388) [ 6485.318687][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 6485.318689][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 6485.318693][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 6485.318695][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 6485.318702][ C2] | [ 6495.196773][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 6495.197108][ C2] rcu: 2-....: (1 GPs behind) idle=a8f4/1/0x4000000000000000 softirq=1873706/1873706 fqs=325591 | [ 6495.197420][ C2] rcu: (t=1352340 jiffies g=3277105 q=37747 ncpus=4) [ 6495.197936][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 6495.198344][ C2] Workqueue: mld mld_ifc_work [ 6495.198499][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6495.198652][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 6495.199280][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 6495.199473][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 6495.199779][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 6495.200004][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 6495.200229][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 6495.200538][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 6495.200769][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 6495.201022][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6495.201288][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 6495.201535][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 6495.201757][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 6495.202059][ C2] PKRU: 55555554 [ 6495.202170][ C2] Call Trace: [ 6495.202281][ C2] [ 6495.202359][ C2] ? rcu_dump_cpu_stacks (kernel/rcu/tree_stall.h:379) [ 6495.202514][ C2] ? print_cpu_stall (kernel/rcu/tree_stall.h:699) [ 6495.202745][ C2] ? check_cpu_stall (kernel/rcu/tree_stall.h:799 (discriminator 2)) [ 6495.202894][ C2] ? debug_object_deactivate (lib/debugobjects.c:779) [ 6495.203044][ C2] ? rcu_pending (kernel/rcu/tree.c:3941 (discriminator 31)) [ 6495.203193][ C2] ? rcu_sched_clock_irq (kernel/rcu/tree.c:2297 (discriminator 22)) [ 6495.203423][ C2] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 6495.203574][ C2] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 6495.203723][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 6495.203878][ C2] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 6495.204184][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 6495.204331][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 6495.204477][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 6495.204626][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 6495.204932][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 6495.205082][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 6495.205266][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 6495.205454][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 6495.205643][ C2] [ 6495.205722][ C2] [ 6495.205797][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 6495.205989][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6495.206138][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 6495.206325][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 6495.206476][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 6495.206631][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 6495.206745][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 6495.206976][ C2] ? eth_header (net/ethernet/eth.c:100) [ 6495.207125][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 6495.207275][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 6495.207426][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 6495.207657][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 6495.207808][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 6495.207921][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 6495.208078][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 6495.208225][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 6495.208451][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 6495.208598][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 6495.208746][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 6495.208910][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 6495.209141][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 6495.209328][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 6495.209515][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 6495.209666][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 6495.209904][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 6495.210055][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 6495.210214][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 6495.210366][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 6495.210513][ C2] process_one_work (kernel/workqueue.c:3254) [ 6495.210678][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 6495.210833][ C2] ? assign_work (kernel/workqueue.c:1209) [ 6495.210984][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 6495.211133][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 6495.211320][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6495.211470][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6495.211616][ C2] kthread (kernel/kthread.c:388) [ 6495.211815][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 6495.211970][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 6495.212122][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 6495.212271][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 6520.469796][ C2] hardirqs last enabled at (6952496): irqentry_exit (kernel/entry/common.c:352) | [ 6520.470043][ C2] hardirqs last disabled at (6952497): sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043) | [ 6520.470392][ C2] softirqs last enabled at (4804798): neigh_resolve_output (net/core/neighbour.c:1539 net/core/neighbour.c:1553 net/core/neighbour.c:1543) | [ 6520.470758][ C2] softirqs last disabled at (4804802): __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:833 net/core/dev.c:4260) [ 6520.471331][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 6520.471803][ C2] Workqueue: mld mld_ifc_work [ 6520.471951][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6520.472095][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 6520.472674][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 6520.472861][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 6520.473138][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 6520.473345][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 6520.473557][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 6520.473849][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 6520.474057][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 6520.474297][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6520.474475][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 6520.474685][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 6520.474919][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 6520.475128][ C2] PKRU: 55555554 [ 6520.475237][ C2] Call Trace: [ 6520.475341][ C2] [ 6520.475415][ C2] ? watchdog_timer_fn (kernel/watchdog.c:548) [ 6520.475558][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 6520.475701][ C2] ? __pfx_watchdog_timer_fn (kernel/watchdog.c:466) [ 6520.475843][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 6520.475985][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 6520.476127][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 6520.476349][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 6520.476540][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 6520.476682][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 6520.476861][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 6520.477106][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 6520.477282][ C2] [ 6520.477353][ C2] [ 6520.477424][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 6520.477678][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6520.477821][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 6520.477996][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 6520.478141][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 6520.478353][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 6520.478461][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 6520.478610][ C2] ? eth_header (net/ethernet/eth.c:100) [ 6520.478750][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 6520.478890][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 6520.479099][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 6520.479259][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 6520.479400][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 6520.479508][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 6520.479721][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 6520.479861][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 6520.480002][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 6520.480143][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 6520.480285][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 6520.480495][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 6520.480635][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 6520.480816][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 6520.481063][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 6520.481210][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 6520.481353][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 6520.481496][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 6520.481638][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 6520.481854][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 6520.481994][ C2] process_one_work (kernel/workqueue.c:3254) [ 6520.482140][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 6520.482286][ C2] ? assign_work (kernel/workqueue.c:1209) [ 6520.482568][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 6520.482707][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 6520.482884][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6520.483023][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6520.483237][ C2] kthread (kernel/kthread.c:388) [ 6520.483342][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 6520.483485][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 6520.483626][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 6520.483881][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 6548.469886][ C2] hardirqs last enabled at (6952496): irqentry_exit (kernel/entry/common.c:352) | [ 6548.470159][ C2] hardirqs last disabled at (6952497): sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043) | [ 6548.470468][ C2] softirqs last enabled at (4804798): neigh_resolve_output (net/core/neighbour.c:1539 net/core/neighbour.c:1553 net/core/neighbour.c:1543) | [ 6548.470764][ C2] softirqs last disabled at (4804802): __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:833 net/core/dev.c:4260) [ 6548.471297][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 6548.471706][ C2] Workqueue: mld mld_ifc_work [ 6548.471863][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6548.472031][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 6548.472654][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 6548.472850][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 6548.473153][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 6548.473384][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 6548.473690][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 6548.473921][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 6548.474160][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 6548.474497][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6548.474731][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 6548.474963][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 6548.475266][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 6548.475499][ C2] PKRU: 55555554 [ 6548.475614][ C2] Call Trace: [ 6548.475731][ C2] [ 6548.475812][ C2] ? watchdog_timer_fn (kernel/watchdog.c:548) [ 6548.476040][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 6548.476200][ C2] ? __pfx_watchdog_timer_fn (kernel/watchdog.c:466) [ 6548.476354][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 6548.476511][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 6548.476736][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 6548.476891][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 6548.477087][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 6548.477242][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 6548.477513][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 6548.477705][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 6548.477913][ C2] [ 6548.477991][ C2] [ 6548.478142][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 6548.478336][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6548.478491][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 6548.478686][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 6548.478951][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 6548.479106][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 6548.479235][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 6548.479388][ C2] ? eth_header (net/ethernet/eth.c:100) [ 6548.479543][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 6548.479696][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 6548.479855][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 6548.480010][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 6548.480166][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 6548.480284][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 6548.480436][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 6548.480588][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 6548.480742][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 6548.480894][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 6548.481048][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 6548.481199][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 6548.481349][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 6548.481610][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 6548.481801][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 6548.481969][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 6548.482123][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 6548.482349][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 6548.482509][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 6548.482666][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 6548.482825][ C2] process_one_work (kernel/workqueue.c:3254) [ 6548.482986][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 6548.483215][ C2] ? assign_work (kernel/workqueue.c:1209) [ 6548.483371][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 6548.483527][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 6548.483719][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6548.483972][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6548.484128][ C2] kthread (kernel/kthread.c:388) [ 6548.484245][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 6548.484401][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 6548.484559][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 6548.484717][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 6548.484877][ C2] | [ 6573.214773][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 6573.215110][ C2] rcu: 2-....: (1 GPs behind) idle=a8f4/1/0x4000000000000000 softirq=1873706/1873706 fqs=355562 | [ 6573.215406][ C2] rcu: (t=1430358 jiffies g=3277105 q=38879 ncpus=4) [ 6573.215862][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 6573.216194][ C2] Workqueue: mld mld_ifc_work [ 6573.216354][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6573.216593][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 6573.217210][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 6573.217398][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 6573.217621][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 6573.217929][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 6573.218158][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 6573.218380][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 6573.218685][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 6573.218945][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6573.219137][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 6573.219445][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 6573.219666][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 6573.219888][ C2] PKRU: 55555554 [ 6573.220162][ C2] Call Trace: [ 6573.220274][ C2] [ 6573.220352][ C2] ? rcu_dump_cpu_stacks (kernel/rcu/tree_stall.h:379) [ 6573.220504][ C2] ? print_cpu_stall (kernel/rcu/tree_stall.h:699) [ 6573.220655][ C2] ? check_cpu_stall (kernel/rcu/tree_stall.h:799 (discriminator 2)) [ 6573.220906][ C2] ? debug_object_deactivate (lib/debugobjects.c:779) [ 6573.221058][ C2] ? rcu_pending (kernel/rcu/tree.c:3941 (discriminator 31)) [ 6573.221209][ C2] ? rcu_sched_clock_irq (kernel/rcu/tree.c:2297 (discriminator 22)) [ 6573.221357][ C2] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 6573.221507][ C2] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 6573.221658][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 6573.221806][ C2] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 6573.221960][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 6573.222111][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 6573.222264][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 6573.222415][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 6573.222603][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 6573.222755][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 6573.223023][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 6573.223215][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 6573.223403][ C2] [ 6573.223480][ C2] [ 6573.223637][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 6573.223828][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6573.223978][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 6573.224166][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 6573.224403][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 6573.224562][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 6573.224676][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 6573.224824][ C2] ? eth_header (net/ethernet/eth.c:100) [ 6573.224974][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 6573.225204][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 6573.225361][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 6573.225513][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 6573.225665][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 6573.225876][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 6573.226053][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 6573.226201][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 6573.226349][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 6573.226515][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 6573.226665][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 6573.226815][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 6573.226964][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 6573.227151][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 6573.227339][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 6573.227485][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 6573.227635][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 6573.227888][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 6573.228040][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 6573.228188][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 6573.228336][ C2] process_one_work (kernel/workqueue.c:3254) [ 6573.228495][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 6573.228649][ C2] ? assign_work (kernel/workqueue.c:1209) [ 6573.228799][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 6573.228949][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 6573.229137][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6573.229286][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6573.229438][ C2] kthread (kernel/kthread.c:388) [ 6573.229552][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 6573.229701][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 6573.229947][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 6573.230095][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 6583.621787][ T18] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 1410263 jiffies s: 809 root: 0x4/. | [ 6583.622147][ T18] rcu: blocking rcu_node structures (internal RCU debug): | [ 6583.622294][ T18] Sending NMI from CPU 0 to CPUs 2: | [ 6583.622426][ C2] NMI backtrace for cpu 2 [ 6583.622437][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 6583.622440][ C2] Workqueue: mld mld_ifc_work [ 6583.622447][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 6583.622452][ C2] Code: 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 29 f0 0f b7 c8 <39> ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 89 04 24 e8 All code ======== 0: 05 80 fa 03 7e add $0x7e03fa80,%eax 5: 36 8b 55 28 ss mov 0x28(%rbp),%edx 9: 44 39 ea cmp %r13d,%edx c: 76 15 jbe 0x23 e: 48 83 c4 10 add $0x10,%rsp 12: 5d pop %rbp 13: 41 5c pop %r12 15: 41 5d pop %r13 17: c3 ret 18: cc int3 19: cc int3 1a: cc int3 1b: cc int3 1c: 31 c0 xor %eax,%eax 1e: 45 31 ed xor %r13d,%r13d 21: eb 92 jmp 0xffffffffffffffb5 23: 89 d6 mov %edx,%esi 25: 29 f0 sub %esi,%eax 27: 0f b7 c8 movzwl %ax,%ecx 2a:* 39 ca cmp %ecx,%edx <-- trapping instruction 2c: 76 f7 jbe 0x25 2e: 48 83 c4 10 add $0x10,%rsp 32: 5d pop %rbp 33: 41 5c pop %r12 35: 41 5d pop %r13 37: c3 ret 38: cc int3 39: cc int3 3a: cc int3 3b: cc int3 3c: 89 04 24 mov %eax,(%rsp) 3f: e8 .byte 0xe8 Code starting with the faulting instruction =========================================== 0: 39 ca cmp %ecx,%edx 2: 76 f7 jbe 0xfffffffffffffffb 4: 48 83 c4 10 add $0x10,%rsp 8: 5d pop %rbp 9: 41 5c pop %r12 b: 41 5d pop %r13 d: c3 ret e: cc int3 f: cc int3 10: cc int3 11: cc int3 12: 89 04 24 mov %eax,(%rsp) 15: e8 .byte 0xe8 [ 6583.622455][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 6583.622457][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 6583.622459][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 6583.622461][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 6583.622462][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 6583.622463][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 6583.622465][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 6583.622467][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6583.622470][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 6583.622471][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 6583.622473][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 6583.622474][ C2] PKRU: 55555554 [ 6583.622475][ C2] Call Trace: [ 6583.622478][ C2] [ 6583.622483][ C2] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 6583.622487][ C2] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 6583.622492][ C2] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 6583.622497][ C2] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 6583.622502][ C2] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 6583.622505][ C2] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 6583.622512][ C2] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 6583.622515][ C2] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 6583.622517][ C2] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 6583.622520][ C2] [ 6583.622520][ C2] [ 6583.622521][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 6583.622526][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 6583.622533][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 6583.622536][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 6583.622539][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 6583.622543][ C2] ? eth_header (net/ethernet/eth.c:100) [ 6583.622547][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 6583.622551][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 6583.622557][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 6583.622564][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 6583.622568][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 6583.622572][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 6583.622575][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 6583.622578][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 6583.622581][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 6583.622583][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 6583.622587][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 6583.622590][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 6583.622593][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 6583.622598][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 6583.622601][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 6583.622602][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 6583.622607][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 6583.622610][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 6583.622615][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 6583.622618][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 6583.622621][ C2] process_one_work (kernel/workqueue.c:3254) [ 6583.622628][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 6583.622632][ C2] ? assign_work (kernel/workqueue.c:1209) [ 6583.622636][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 6583.622639][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 6583.622643][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6583.622646][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6583.622648][ C2] kthread (kernel/kthread.c:388) [ 6583.622651][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 6583.622654][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 6583.622656][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 6583.622659][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 6608.469969][ C2] hardirqs last enabled at (6952496): irqentry_exit (kernel/entry/common.c:352) | [ 6608.470241][ C2] hardirqs last disabled at (6952497): sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043) | [ 6608.470620][ C2] softirqs last enabled at (4804798): neigh_resolve_output (net/core/neighbour.c:1539 net/core/neighbour.c:1553 net/core/neighbour.c:1543) | [ 6608.470926][ C2] softirqs last disabled at (4804802): __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:833 net/core/dev.c:4260) [ 6608.471542][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 6608.471888][ C2] Workqueue: mld mld_ifc_work [ 6608.472135][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6608.472293][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 6608.472921][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 6608.473113][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 6608.473361][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 6608.473592][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 6608.473820][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 6608.474051][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 6608.474287][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 6608.474561][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6608.474756][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 6608.474991][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 6608.475226][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 6608.475457][ C2] PKRU: 55555554 [ 6608.475656][ C2] Call Trace: [ 6608.475771][ C2] [ 6608.475852][ C2] ? watchdog_timer_fn (kernel/watchdog.c:548) [ 6608.476006][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 6608.476158][ C2] ? __pfx_watchdog_timer_fn (kernel/watchdog.c:466) [ 6608.476381][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 6608.476535][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 6608.476687][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 6608.476839][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 6608.477102][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 6608.477256][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 6608.477447][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 6608.477637][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 6608.477905][ C2] [ 6608.477983][ C2] [ 6608.478060][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 6608.478255][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6608.478484][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 6608.478679][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 6608.478836][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 6608.478990][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 6608.479107][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 6608.479408][ C2] ? eth_header (net/ethernet/eth.c:100) [ 6608.479560][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 6608.479715][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 6608.479872][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 6608.480095][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 6608.480248][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 6608.480364][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 6608.480516][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 6608.480741][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 6608.480897][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 6608.481048][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 6608.481202][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 6608.481355][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 6608.481574][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 6608.481765][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 6608.481956][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 6608.482175][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 6608.482328][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 6608.482479][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 6608.482638][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 6608.482794][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 6608.483016][ C2] process_one_work (kernel/workqueue.c:3254) [ 6608.483170][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 6608.483326][ C2] ? assign_work (kernel/workqueue.c:1209) [ 6608.483479][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 6608.483698][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 6608.483890][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6608.484044][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6608.484196][ C2] kthread (kernel/kthread.c:388) [ 6608.484411][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 6608.484565][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 6608.484716][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 6608.484869][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 6636.469932][ C2] hardirqs last enabled at (6952496): irqentry_exit (kernel/entry/common.c:352) | [ 6636.470178][ C2] hardirqs last disabled at (6952497): sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043) | [ 6636.470528][ C2] softirqs last enabled at (4804798): neigh_resolve_output (net/core/neighbour.c:1539 net/core/neighbour.c:1553 net/core/neighbour.c:1543) | [ 6636.470813][ C2] softirqs last disabled at (4804802): __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:833 net/core/dev.c:4260) [ 6636.471381][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 6636.471772][ C2] Workqueue: mld mld_ifc_work [ 6636.471924][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6636.472069][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 6636.472638][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 6636.472820][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 6636.473107][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 6636.473315][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 6636.473526][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 6636.473807][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 6636.474019][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 6636.474271][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6636.474595][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 6636.474807][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 6636.475019][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 6636.475301][ C2] PKRU: 55555554 [ 6636.475407][ C2] Call Trace: [ 6636.475513][ C2] [ 6636.475587][ C2] ? watchdog_timer_fn (kernel/watchdog.c:548) [ 6636.475730][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 6636.475978][ C2] ? __pfx_watchdog_timer_fn (kernel/watchdog.c:466) [ 6636.476120][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 6636.476264][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 6636.476404][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 6636.476551][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 6636.476729][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 6636.476876][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 6636.477055][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 6636.477229][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 6636.477406][ C2] [ 6636.477479][ C2] [ 6636.477551][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 6636.477734][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6636.477876][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 6636.478052][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 6636.478194][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 6636.478408][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 6636.478516][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 6636.478655][ C2] ? eth_header (net/ethernet/eth.c:100) [ 6636.478801][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 6636.478948][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 6636.479162][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 6636.479308][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 6636.479452][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 6636.479560][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 6636.479777][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 6636.479920][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 6636.480060][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 6636.480204][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 6636.480421][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 6636.480561][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 6636.480705][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 6636.480882][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 6636.481131][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 6636.481271][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 6636.481413][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 6636.481556][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 6636.481773][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 6636.481915][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 6636.482056][ C2] process_one_work (kernel/workqueue.c:3254) [ 6636.482199][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 6636.482341][ C2] ? assign_work (kernel/workqueue.c:1209) [ 6636.482553][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 6636.482696][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 6636.482872][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6636.483016][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6636.483226][ C2] kthread (kernel/kthread.c:388) [ 6636.483334][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 6636.483474][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 6636.483614][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 6636.483837][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 6636.483982][ C2] | [ 6651.232783][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 6651.233123][ C2] rcu: 2-....: (1 GPs behind) idle=a8f4/1/0x4000000000000000 softirq=1873706/1873706 fqs=385523 | [ 6651.233418][ C2] rcu: (t=1508376 jiffies g=3277105 q=40338 ncpus=4) [ 6651.233864][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 6651.234214][ C2] Workqueue: mld mld_ifc_work [ 6651.234372][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6651.234531][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 6651.235169][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 6651.235447][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 6651.235671][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 6651.235891][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 6651.236191][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 6651.236410][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 6651.236646][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 6651.237000][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6651.237188][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 6651.237412][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 6651.237638][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 6651.237860][ C2] PKRU: 55555554 [ 6651.237971][ C2] Call Trace: [ 6651.238083][ C2] [ 6651.238171][ C2] ? rcu_dump_cpu_stacks (kernel/rcu/tree_stall.h:379) [ 6651.238336][ C2] ? print_cpu_stall (kernel/rcu/tree_stall.h:699) [ 6651.238484][ C2] ? check_cpu_stall (kernel/rcu/tree_stall.h:799 (discriminator 2)) [ 6651.238633][ C2] ? debug_object_deactivate (lib/debugobjects.c:779) [ 6651.238887][ C2] ? rcu_pending (kernel/rcu/tree.c:3941 (discriminator 31)) [ 6651.239035][ C2] ? rcu_sched_clock_irq (kernel/rcu/tree.c:2297 (discriminator 22)) [ 6651.239184][ C2] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 6651.239335][ C2] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 6651.239490][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 6651.239638][ C2] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 6651.239786][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 6651.239930][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 6651.240077][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 6651.240229][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 6651.240413][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 6651.240563][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 6651.240746][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 6651.241027][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 6651.241211][ C2] [ 6651.241284][ C2] [ 6651.241358][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 6651.241542][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6651.241692][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 6651.241875][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 6651.242025][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 6651.242172][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 6651.242301][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 6651.242448][ C2] ? eth_header (net/ethernet/eth.c:100) [ 6651.242603][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 6651.242751][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 6651.243005][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 6651.243155][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 6651.243304][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 6651.243417][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 6651.243578][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 6651.243725][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 6651.243872][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 6651.244018][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 6651.244190][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 6651.244343][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 6651.244492][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 6651.244680][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 6651.245028][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 6651.245176][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 6651.245335][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 6651.245481][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 6651.245728][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 6651.245878][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 6651.246028][ C2] process_one_work (kernel/workqueue.c:3254) [ 6651.246180][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 6651.246330][ C2] ? assign_work (kernel/workqueue.c:1209) [ 6651.246558][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 6651.246706][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 6651.246895][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6651.247046][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6651.247282][ C2] kthread (kernel/kthread.c:388) [ 6651.247393][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 6651.247538][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 6651.247684][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 6651.247930][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 6676.469790][ C2] hardirqs last enabled at (6952496): irqentry_exit (kernel/entry/common.c:352) | [ 6676.470035][ C2] hardirqs last disabled at (6952497): sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043) | [ 6676.470313][ C2] softirqs last enabled at (4804798): neigh_resolve_output (net/core/neighbour.c:1539 net/core/neighbour.c:1553 net/core/neighbour.c:1543) | [ 6676.470717][ C2] softirqs last disabled at (4804802): __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:833 net/core/dev.c:4260) [ 6676.471258][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 6676.471675][ C2] Workqueue: mld mld_ifc_work [ 6676.471837][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6676.472008][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 6676.472617][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 6676.472904][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 6676.473135][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 6676.473363][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 6676.473664][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 6676.473894][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 6676.474132][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 6676.474476][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6676.474671][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 6676.474908][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 6676.475222][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 6676.475452][ C2] PKRU: 55555554 [ 6676.475569][ C2] Call Trace: [ 6676.475683][ C2] [ 6676.475853][ C2] ? watchdog_timer_fn (kernel/watchdog.c:548) [ 6676.476012][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 6676.476166][ C2] ? __pfx_watchdog_timer_fn (kernel/watchdog.c:466) [ 6676.476338][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 6676.476496][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 6676.476650][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 6676.476809][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 6676.477008][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 6676.477163][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 6676.477358][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 6676.477560][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 6676.477749][ C2] [ 6676.477826][ C2] [ 6676.477973][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 6676.478171][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6676.478343][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 6676.478535][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 6676.478763][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 6676.478918][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 6676.479035][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 6676.479191][ C2] ? eth_header (net/ethernet/eth.c:100) [ 6676.479419][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 6676.479584][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 6676.479738][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 6676.479892][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 6676.480062][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 6676.480252][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 6676.480405][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 6676.480558][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 6676.480712][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 6676.480937][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 6676.481093][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 6676.481256][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 6676.481410][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 6676.481688][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 6676.481879][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 6676.482034][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 6676.482191][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 6676.482419][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 6676.482576][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 6676.482732][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 6676.482890][ C2] process_one_work (kernel/workqueue.c:3254) [ 6676.483118][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 6676.483275][ C2] ? assign_work (kernel/workqueue.c:1209) [ 6676.483429][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 6676.483589][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 6676.483886][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6676.484050][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6676.484208][ C2] kthread (kernel/kthread.c:388) [ 6676.484325][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 6676.484479][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 6676.484640][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 6676.484794][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 6681.925790][ T18] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 1508567 jiffies s: 809 root: 0x4/. | [ 6681.926160][ T18] rcu: blocking rcu_node structures (internal RCU debug): | [ 6681.926320][ T18] Sending NMI from CPU 0 to CPUs 2: | [ 6681.926450][ C2] NMI backtrace for cpu 2 [ 6681.926460][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 6681.926463][ C2] Workqueue: mld mld_ifc_work [ 6681.926470][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6681.926474][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 6681.926477][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 6681.926479][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 6681.926481][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 6681.926482][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 6681.926484][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 6681.926485][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 6681.926487][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 6681.926488][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6681.926492][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 6681.926493][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 6681.926495][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 6681.926496][ C2] PKRU: 55555554 [ 6681.926497][ C2] Call Trace: [ 6681.926500][ C2] [ 6681.926502][ C2] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 6681.926506][ C2] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 6681.926511][ C2] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 6681.926515][ C2] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 6681.926520][ C2] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 6681.926523][ C2] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 6681.926530][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6681.926532][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6681.926535][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6681.926538][ C2] [ 6681.926538][ C2] [ 6681.926539][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 6681.926544][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 6681.926550][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 6681.926553][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 6681.926557][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 6681.926560][ C2] ? eth_header (net/ethernet/eth.c:100) [ 6681.926564][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 6681.926567][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 6681.926573][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 6681.926578][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 6681.926583][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 6681.926586][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 6681.926589][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 6681.926592][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 6681.926595][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 6681.926598][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 6681.926601][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 6681.926605][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 6681.926608][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 6681.926612][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 6681.926615][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 6681.926617][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 6681.926622][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 6681.926626][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 6681.926630][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 6681.926634][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 6681.926637][ C2] process_one_work (kernel/workqueue.c:3254) [ 6681.926644][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 6681.926649][ C2] ? assign_work (kernel/workqueue.c:1209) [ 6681.926652][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 6681.926655][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 6681.926659][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6681.926663][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6681.926665][ C2] kthread (kernel/kthread.c:388) [ 6681.926668][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 6681.926671][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 6681.926674][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 6681.926677][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 6708.469868][ C2] hardirqs last enabled at (6952496): irqentry_exit (kernel/entry/common.c:352) | [ 6708.470121][ C2] hardirqs last disabled at (6952497): sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043) | [ 6708.470545][ C2] softirqs last enabled at (4804798): neigh_resolve_output (net/core/neighbour.c:1539 net/core/neighbour.c:1553 net/core/neighbour.c:1543) | [ 6708.470822][ C2] softirqs last disabled at (4804802): __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:833 net/core/dev.c:4260) [ 6708.471389][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 6708.471709][ C2] Workqueue: mld mld_ifc_work [ 6708.471956][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6708.472118][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 6708.472620][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 6708.472800][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 6708.473011][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 6708.473224][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 6708.473443][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 6708.473651][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 6708.473865][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 6708.474133][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6708.474317][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 6708.474602][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 6708.474816][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 6708.475097][ C2] PKRU: 55555554 [ 6708.475204][ C2] Call Trace: [ 6708.475312][ C2] [ 6708.475385][ C2] ? watchdog_timer_fn (kernel/watchdog.c:548) [ 6708.475529][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 6708.475671][ C2] ? __pfx_watchdog_timer_fn (kernel/watchdog.c:466) [ 6708.475897][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 6708.476036][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 6708.476174][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 6708.476315][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 6708.476508][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 6708.476649][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 6708.476824][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 6708.477076][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 6708.477254][ C2] [ 6708.477325][ C2] [ 6708.477396][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 6708.477574][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6708.477798][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 6708.477969][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 6708.478107][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 6708.478248][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 6708.478424][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 6708.478564][ C2] ? eth_header (net/ethernet/eth.c:100) [ 6708.478704][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 6708.478844][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 6708.479008][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 6708.479222][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 6708.479367][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 6708.479474][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 6708.479617][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 6708.479837][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 6708.479978][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 6708.480118][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 6708.480263][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 6708.480406][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 6708.480548][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 6708.480724][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 6708.480900][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 6708.481039][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 6708.481186][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 6708.481328][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 6708.481469][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 6708.481682][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 6708.481824][ C2] process_one_work (kernel/workqueue.c:3254) [ 6708.481970][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 6708.482114][ C2] ? assign_work (kernel/workqueue.c:1209) [ 6708.482257][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 6708.482469][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 6708.482645][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6708.482787][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6708.482929][ C2] kthread (kernel/kthread.c:388) [ 6708.483110][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 6708.483251][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 6708.483392][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 6708.483533][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 6708.483762][ C2] | [ 6729.250789][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 6729.251068][ C2] rcu: 2-....: (1 GPs behind) idle=a8f4/1/0x4000000000000000 softirq=1873706/1873706 fqs=415685 | [ 6729.251454][ C2] rcu: (t=1586394 jiffies g=3277105 q=41797 ncpus=4) [ 6729.251904][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 6729.252324][ C2] Workqueue: mld mld_ifc_work [ 6729.252481][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6729.252636][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 6729.253258][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 6729.253447][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 6729.253754][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 6729.253984][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 6729.254208][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 6729.254518][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 6729.254744][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 6729.255095][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6729.255278][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 6729.255501][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 6729.255805][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 6729.256042][ C2] PKRU: 55555554 [ 6729.256157][ C2] Call Trace: [ 6729.256269][ C2] [ 6729.256347][ C2] ? rcu_dump_cpu_stacks (kernel/rcu/tree_stall.h:379) [ 6729.256504][ C2] ? print_cpu_stall (kernel/rcu/tree_stall.h:699) [ 6729.256653][ C2] ? check_cpu_stall (kernel/rcu/tree_stall.h:799 (discriminator 2)) [ 6729.256802][ C2] ? debug_object_deactivate (lib/debugobjects.c:779) [ 6729.256953][ C2] ? rcu_pending (kernel/rcu/tree.c:3941 (discriminator 31)) [ 6729.257103][ C2] ? rcu_sched_clock_irq (kernel/rcu/tree.c:2297 (discriminator 22)) [ 6729.257252][ C2] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 6729.257403][ C2] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 6729.257552][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 6729.257701][ C2] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 6729.257948][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 6729.258099][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 6729.258247][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 6729.258400][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 6729.258589][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 6729.258738][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 6729.258924][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 6729.259190][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 6729.259378][ C2] [ 6729.259457][ C2] [ 6729.259532][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 6729.259719][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6729.259978][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 6729.260166][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 6729.260319][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 6729.260471][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 6729.260666][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 6729.260816][ C2] ? eth_header (net/ethernet/eth.c:100) [ 6729.260967][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 6729.261114][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 6729.261268][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 6729.261498][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 6729.261686][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 6729.261810][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 6729.261983][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 6729.262224][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 6729.262369][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 6729.262515][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 6729.262664][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 6729.262903][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 6729.263048][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 6729.263231][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 6729.263412][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 6729.263558][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 6729.263708][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 6729.263879][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 6729.264028][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 6729.264176][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 6729.264323][ C2] process_one_work (kernel/workqueue.c:3254) [ 6729.264475][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 6729.264626][ C2] ? assign_work (kernel/workqueue.c:1209) [ 6729.264773][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 6729.265017][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 6729.265204][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6729.265353][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6729.265503][ C2] kthread (kernel/kthread.c:388) [ 6729.265616][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 6729.265769][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 6729.265927][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 6729.266072][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 6756.469927][ C2] hardirqs last enabled at (6952496): irqentry_exit (kernel/entry/common.c:352) | [ 6756.470177][ C2] hardirqs last disabled at (6952497): sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043) | [ 6756.470547][ C2] softirqs last enabled at (4804798): neigh_resolve_output (net/core/neighbour.c:1539 net/core/neighbour.c:1553 net/core/neighbour.c:1543) | [ 6756.470826][ C2] softirqs last disabled at (4804802): __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:833 net/core/dev.c:4260) [ 6756.471392][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 6756.471790][ C2] Workqueue: mld mld_ifc_work [ 6756.471936][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6756.472080][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 6756.472645][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 6756.472821][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 6756.473174][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 6756.473382][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 6756.473591][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 6756.473907][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 6756.474117][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 6756.474365][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6756.474545][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 6756.474755][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 6756.474969][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 6756.475177][ C2] PKRU: 55555554 [ 6756.475290][ C2] Call Trace: [ 6756.475395][ C2] [ 6756.475479][ C2] ? watchdog_timer_fn (kernel/watchdog.c:548) [ 6756.475621][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 6756.475759][ C2] ? __pfx_watchdog_timer_fn (kernel/watchdog.c:466) [ 6756.475897][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 6756.476039][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 6756.476179][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 6756.476387][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 6756.476560][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 6756.476701][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 6756.476961][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 6756.477135][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 6756.477312][ C2] [ 6756.477382][ C2] [ 6756.477452][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 6756.477746][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6756.477902][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 6756.478106][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 6756.478260][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 6756.478480][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 6756.478600][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 6756.478753][ C2] ? eth_header (net/ethernet/eth.c:100) [ 6756.478908][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 6756.479148][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 6756.479305][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 6756.479469][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 6756.479626][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 6756.479743][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 6756.479975][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 6756.480136][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 6756.480291][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 6756.480450][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 6756.480605][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 6756.480760][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 6756.480914][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 6756.481108][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 6756.481373][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 6756.481538][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 6756.481691][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 6756.481844][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 6756.482069][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 6756.482221][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 6756.482371][ C2] process_one_work (kernel/workqueue.c:3254) [ 6756.482528][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 6756.482748][ C2] ? assign_work (kernel/workqueue.c:1209) [ 6756.482902][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 6756.483054][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 6756.483243][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6756.483464][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6756.483617][ C2] kthread (kernel/kthread.c:388) [ 6756.483756][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 6756.483911][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 6756.484067][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 6756.484366][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 6780.229787][ T18] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 1606871 jiffies s: 809 root: 0x4/. | [ 6780.230130][ T18] rcu: blocking rcu_node structures (internal RCU debug): | [ 6780.230312][ T18] Sending NMI from CPU 0 to CPUs 2: | [ 6780.230429][ C2] NMI backtrace for cpu 2 [ 6780.230440][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 6780.230444][ C2] Workqueue: mld mld_ifc_work [ 6780.230451][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6780.230457][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 6780.230460][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 6780.230462][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 6780.230464][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 6780.230466][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 6780.230467][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 6780.230469][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 6780.230470][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 6780.230472][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6780.230476][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 6780.230477][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 6780.230478][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 6780.230480][ C2] PKRU: 55555554 [ 6780.230481][ C2] Call Trace: [ 6780.230484][ C2] [ 6780.230488][ C2] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 6780.230492][ C2] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 6780.230498][ C2] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 6780.230502][ C2] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 6780.230507][ C2] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 6780.230509][ C2] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 6780.230516][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6780.230519][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6780.230521][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6780.230524][ C2] [ 6780.230524][ C2] [ 6780.230526][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 6780.230530][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 6780.230537][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 6780.230541][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 6780.230544][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 6780.230547][ C2] ? eth_header (net/ethernet/eth.c:100) [ 6780.230551][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 6780.230554][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 6780.230560][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 6780.230567][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 6780.230571][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 6780.230575][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 6780.230578][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 6780.230581][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 6780.230584][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 6780.230587][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 6780.230591][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 6780.230594][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 6780.230597][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 6780.230602][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 6780.230605][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 6780.230607][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 6780.230611][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 6780.230615][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 6780.230620][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 6780.230624][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 6780.230627][ C2] process_one_work (kernel/workqueue.c:3254) [ 6780.230634][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 6780.230639][ C2] ? assign_work (kernel/workqueue.c:1209) [ 6780.230642][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 6780.230645][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 6780.230650][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6780.230653][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6780.230656][ C2] kthread (kernel/kthread.c:388) [ 6780.230659][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 6780.230662][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 6780.230665][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 6780.230667][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 6804.469870][ C2] hardirqs last enabled at (6952496): irqentry_exit (kernel/entry/common.c:352) | [ 6804.470217][ C2] hardirqs last disabled at (6952497): sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043) | [ 6804.470493][ C2] softirqs last enabled at (4804798): neigh_resolve_output (net/core/neighbour.c:1539 net/core/neighbour.c:1553 net/core/neighbour.c:1543) | [ 6804.470772][ C2] softirqs last disabled at (4804802): __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:833 net/core/dev.c:4260) [ 6804.471363][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 6804.471680][ C2] Workqueue: mld mld_ifc_work [ 6804.471829][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6804.472055][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 6804.472583][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 6804.472836][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 6804.473049][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 6804.473267][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 6804.473557][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 6804.473769][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 6804.474056][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 6804.474303][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6804.474483][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 6804.474775][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 6804.474984][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 6804.475193][ C2] PKRU: 55555554 [ 6804.475298][ C2] Call Trace: [ 6804.475470][ C2] [ 6804.475545][ C2] ? watchdog_timer_fn (kernel/watchdog.c:548) [ 6804.475686][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 6804.475826][ C2] ? __pfx_watchdog_timer_fn (kernel/watchdog.c:466) [ 6804.475965][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 6804.476180][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 6804.476318][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 6804.476459][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 6804.476634][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 6804.476845][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 6804.477020][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 6804.477196][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 6804.477509][ C2] [ 6804.477580][ C2] [ 6804.477652][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 6804.477828][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6804.477968][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 6804.478218][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 6804.478359][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 6804.478497][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 6804.478604][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 6804.478828][ C2] ? eth_header (net/ethernet/eth.c:100) [ 6804.478970][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 6804.479131][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 6804.479277][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 6804.479433][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 6804.479583][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 6804.479693][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 6804.479836][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 6804.479980][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 6804.480129][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 6804.480271][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 6804.480413][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 6804.480559][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 6804.480705][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 6804.480882][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 6804.481061][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 6804.481204][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 6804.481419][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 6804.481562][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 6804.481706][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 6804.481850][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 6804.482067][ C2] process_one_work (kernel/workqueue.c:3254) [ 6804.482222][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 6804.482364][ C2] ? assign_work (kernel/workqueue.c:1209) [ 6804.482502][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 6804.482640][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 6804.482884][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6804.483027][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6804.483169][ C2] kthread (kernel/kthread.c:388) [ 6804.483274][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 6804.483501][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 6804.483644][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 6804.483785][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 6804.483935][ C2] | [ 6807.269799][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 6807.270034][ C2] rcu: 2-....: (1 GPs behind) idle=a8f4/1/0x4000000000000000 softirq=1873706/1873706 fqs=445116 | [ 6807.270334][ C2] rcu: (t=1664413 jiffies g=3277105 q=43256 ncpus=4) [ 6807.270862][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 6807.271303][ C2] Workqueue: mld mld_ifc_work [ 6807.271460][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6807.271617][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 6807.272231][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 6807.272420][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 6807.272651][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 6807.272960][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 6807.273184][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 6807.273498][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 6807.273722][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 6807.273984][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6807.274340][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 6807.274566][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 6807.274790][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 6807.275095][ C2] PKRU: 55555554 [ 6807.275208][ C2] Call Trace: [ 6807.275320][ C2] [ 6807.275399][ C2] ? rcu_dump_cpu_stacks (kernel/rcu/tree_stall.h:379) [ 6807.275551][ C2] ? print_cpu_stall (kernel/rcu/tree_stall.h:699) [ 6807.275780][ C2] ? check_cpu_stall (kernel/rcu/tree_stall.h:799 (discriminator 2)) [ 6807.275928][ C2] ? debug_object_deactivate (lib/debugobjects.c:779) [ 6807.276080][ C2] ? rcu_pending (kernel/rcu/tree.c:3941 (discriminator 31)) [ 6807.276238][ C2] ? rcu_sched_clock_irq (kernel/rcu/tree.c:2297 (discriminator 22)) [ 6807.276463][ C2] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 6807.276610][ C2] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 6807.276761][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 6807.276906][ C2] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 6807.277052][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 6807.277278][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 6807.277425][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 6807.277574][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 6807.277756][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 6807.278014][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 6807.278197][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 6807.278382][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 6807.278566][ C2] [ 6807.278641][ C2] [ 6807.278717][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 6807.278902][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6807.279048][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 6807.279238][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 6807.279388][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 6807.279535][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 6807.279646][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 6807.279892][ C2] ? eth_header (net/ethernet/eth.c:100) [ 6807.280060][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 6807.280210][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 6807.280365][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 6807.280519][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 6807.280672][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 6807.280785][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 6807.280935][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 6807.281085][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 6807.281248][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 6807.281410][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 6807.281560][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 6807.281710][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 6807.281943][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 6807.282130][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 6807.282319][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 6807.282469][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 6807.282700][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 6807.282851][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 6807.283001][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 6807.283151][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 6807.283386][ C2] process_one_work (kernel/workqueue.c:3254) [ 6807.283544][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 6807.283697][ C2] ? assign_work (kernel/workqueue.c:1209) [ 6807.283848][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 6807.283998][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 6807.284266][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6807.284416][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6807.284565][ C2] kthread (kernel/kthread.c:388) [ 6807.284680][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 6807.284939][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 6807.285089][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 6807.285232][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 6832.469883][ C2] hardirqs last enabled at (6952496): irqentry_exit (kernel/entry/common.c:352) | [ 6832.470248][ C2] hardirqs last disabled at (6952497): sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043) | [ 6832.470590][ C2] softirqs last enabled at (4804798): neigh_resolve_output (net/core/neighbour.c:1539 net/core/neighbour.c:1553 net/core/neighbour.c:1543) | [ 6832.470868][ C2] softirqs last disabled at (4804802): __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:833 net/core/dev.c:4260) [ 6832.471426][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 6832.471737][ C2] Workqueue: mld mld_ifc_work [ 6832.471983][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 6832.472132][ C2] Code: 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 29 f0 0f b7 c8 <39> ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 89 04 24 e8 All code ======== 0: 05 80 fa 03 7e add $0x7e03fa80,%eax 5: 36 8b 55 28 ss mov 0x28(%rbp),%edx 9: 44 39 ea cmp %r13d,%edx c: 76 15 jbe 0x23 e: 48 83 c4 10 add $0x10,%rsp 12: 5d pop %rbp 13: 41 5c pop %r12 15: 41 5d pop %r13 17: c3 ret 18: cc int3 19: cc int3 1a: cc int3 1b: cc int3 1c: 31 c0 xor %eax,%eax 1e: 45 31 ed xor %r13d,%r13d 21: eb 92 jmp 0xffffffffffffffb5 23: 89 d6 mov %edx,%esi 25: 29 f0 sub %esi,%eax 27: 0f b7 c8 movzwl %ax,%ecx 2a:* 39 ca cmp %ecx,%edx <-- trapping instruction 2c: 76 f7 jbe 0x25 2e: 48 83 c4 10 add $0x10,%rsp 32: 5d pop %rbp 33: 41 5c pop %r12 35: 41 5d pop %r13 37: c3 ret 38: cc int3 39: cc int3 3a: cc int3 3b: cc int3 3c: 89 04 24 mov %eax,(%rsp) 3f: e8 .byte 0xe8 Code starting with the faulting instruction =========================================== 0: 39 ca cmp %ecx,%edx 2: 76 f7 jbe 0xfffffffffffffffb 4: 48 83 c4 10 add $0x10,%rsp 8: 5d pop %rbp 9: 41 5c pop %r12 b: 41 5d pop %r13 d: c3 ret e: cc int3 f: cc int3 10: cc int3 11: cc int3 12: 89 04 24 mov %eax,(%rsp) 15: e8 .byte 0xe8 [ 6832.472627][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 6832.472804][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 6832.473012][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 6832.473225][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 6832.473453][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 6832.473663][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 6832.473877][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 6832.474119][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6832.474372][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 6832.474581][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 6832.474791][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 6832.475072][ C2] PKRU: 55555554 [ 6832.475177][ C2] Call Trace: [ 6832.475282][ C2] [ 6832.475355][ C2] ? watchdog_timer_fn (kernel/watchdog.c:548) [ 6832.475509][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 6832.475716][ C2] ? __pfx_watchdog_timer_fn (kernel/watchdog.c:466) [ 6832.475858][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 6832.475995][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 6832.476134][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 6832.476294][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 6832.476541][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 6832.476685][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 6832.476862][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 6832.477107][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 6832.477280][ C2] [ 6832.477363][ C2] [ 6832.477434][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 6832.477609][ C2] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 6832.477838][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 6832.478017][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 6832.478158][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 6832.478297][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 6832.478475][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 6832.478616][ C2] ? eth_header (net/ethernet/eth.c:100) [ 6832.478757][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 6832.478908][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 6832.479116][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 6832.479261][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 6832.479402][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 6832.479506][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 6832.479644][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 6832.479965][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 6832.480105][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 6832.480244][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 6832.480380][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 6832.480517][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 6832.480658][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 6832.480836][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 6832.481006][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 6832.481147][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 6832.481287][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 6832.481425][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 6832.481565][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 6832.481721][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 6832.481864][ C2] process_one_work (kernel/workqueue.c:3254) [ 6832.482008][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 6832.482150][ C2] ? assign_work (kernel/workqueue.c:1209) [ 6832.482364][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 6832.482507][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 6832.482685][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6832.482825][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6832.483046][ C2] kthread (kernel/kthread.c:388) [ 6832.483152][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 6832.483294][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 6832.483450][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 6832.483591][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 6860.469928][ C2] hardirqs last enabled at (6952496): irqentry_exit (kernel/entry/common.c:352) | [ 6860.470174][ C2] hardirqs last disabled at (6952497): sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043) | [ 6860.470523][ C2] softirqs last enabled at (4804798): neigh_resolve_output (net/core/neighbour.c:1539 net/core/neighbour.c:1553 net/core/neighbour.c:1543) | [ 6860.470807][ C2] softirqs last disabled at (4804802): __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:833 net/core/dev.c:4260) [ 6860.471367][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 6860.471755][ C2] Workqueue: mld mld_ifc_work [ 6860.471904][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6860.472054][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 6860.472626][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 6860.472820][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 6860.473100][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 6860.473335][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 6860.473544][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 6860.473830][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 6860.474043][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 6860.474363][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6860.474550][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 6860.474757][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 6860.475041][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 6860.475249][ C2] PKRU: 55555554 [ 6860.475353][ C2] Call Trace: [ 6860.475457][ C2] [ 6860.475531][ C2] ? watchdog_timer_fn (kernel/watchdog.c:548) [ 6860.475813][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 6860.475970][ C2] ? __pfx_watchdog_timer_fn (kernel/watchdog.c:466) [ 6860.476117][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 6860.476258][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 6860.476469][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 6860.476610][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 6860.476789][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 6860.476936][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 6860.477183][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 6860.477358][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 6860.477534][ C2] [ 6860.477606][ C2] [ 6860.477677][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 6860.477953][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6860.478096][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 6860.478275][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 6860.478420][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 6860.478559][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 6860.478678][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 6860.478818][ C2] ? eth_header (net/ethernet/eth.c:100) [ 6860.478961][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 6860.479098][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 6860.479239][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 6860.479380][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 6860.479518][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 6860.479622][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 6860.479780][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 6860.479920][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 6860.480060][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 6860.480200][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 6860.480413][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 6860.480553][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 6860.480695][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 6860.480870][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 6860.481117][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 6860.481256][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 6860.481398][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 6860.481537][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 6860.481763][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 6860.481905][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 6860.482043][ C2] process_one_work (kernel/workqueue.c:3254) [ 6860.482184][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 6860.482415][ C2] ? assign_work (kernel/workqueue.c:1209) [ 6860.482555][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 6860.482700][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 6860.482876][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6860.483088][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6860.483235][ C2] kthread (kernel/kthread.c:388) [ 6860.483343][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 6860.483484][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 6860.483625][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 6860.483842][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 6878.533788][ T18] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 1705175 jiffies s: 809 root: 0x4/. | [ 6878.534132][ T18] rcu: blocking rcu_node structures (internal RCU debug): | [ 6878.534325][ T18] Sending NMI from CPU 0 to CPUs 2: | [ 6878.534452][ C2] NMI backtrace for cpu 2 [ 6878.534464][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 6878.534467][ C2] Workqueue: mld mld_ifc_work [ 6878.534476][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6878.534481][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 6878.534484][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 6878.534486][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 6878.534488][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 6878.534490][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 6878.534491][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 6878.534493][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 6878.534495][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 6878.534497][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6878.534500][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 6878.534502][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 6878.534503][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 6878.534504][ C2] PKRU: 55555554 [ 6878.534505][ C2] Call Trace: [ 6878.534508][ C2] [ 6878.534512][ C2] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 6878.534516][ C2] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 6878.534521][ C2] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 6878.534526][ C2] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 6878.534532][ C2] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 6878.534534][ C2] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 6878.534541][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6878.534543][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6878.534546][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6878.534548][ C2] [ 6878.534549][ C2] [ 6878.534550][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 6878.534555][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 6878.534561][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 6878.534564][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 6878.534568][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 6878.534571][ C2] ? eth_header (net/ethernet/eth.c:100) [ 6878.534575][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 6878.534578][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 6878.534584][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 6878.534591][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 6878.534595][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 6878.534599][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 6878.534602][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 6878.534605][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 6878.534608][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 6878.534611][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 6878.534614][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 6878.534618][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 6878.534620][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 6878.534625][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 6878.534628][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 6878.534630][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 6878.534635][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 6878.534639][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 6878.534643][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 6878.534647][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 6878.534650][ C2] process_one_work (kernel/workqueue.c:3254) [ 6878.534657][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 6878.534662][ C2] ? assign_work (kernel/workqueue.c:1209) [ 6878.534665][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 6878.534668][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 6878.534672][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6878.534675][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6878.534678][ C2] kthread (kernel/kthread.c:388) [ 6878.534681][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 6878.534684][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 6878.534687][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 6878.534689][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 6878.534697][ C2] | [ 6885.287789][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 6885.288280][ C2] rcu: 2-....: (1 GPs behind) idle=a8f4/1/0x4000000000000000 softirq=1873706/1873706 fqs=474599 | [ 6885.288575][ C2] rcu: (t=1742431 jiffies g=3277105 q=44715 ncpus=4) [ 6885.289095][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 6885.289429][ C2] Workqueue: mld mld_ifc_work [ 6885.289667][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6885.289819][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 6885.290441][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 6885.290631][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 6885.290857][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 6885.291164][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 6885.291388][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 6885.291620][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 6885.291964][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 6885.292224][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6885.292413][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 6885.292642][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 6885.292871][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 6885.293102][ C2] PKRU: 55555554 [ 6885.293215][ C2] Call Trace: [ 6885.293327][ C2] [ 6885.293405][ C2] ? rcu_dump_cpu_stacks (kernel/rcu/tree_stall.h:379) [ 6885.293558][ C2] ? print_cpu_stall (kernel/rcu/tree_stall.h:699) [ 6885.293707][ C2] ? check_cpu_stall (kernel/rcu/tree_stall.h:799 (discriminator 2)) [ 6885.293939][ C2] ? debug_object_deactivate (lib/debugobjects.c:779) [ 6885.294090][ C2] ? rcu_pending (kernel/rcu/tree.c:3941 (discriminator 31)) [ 6885.294241][ C2] ? rcu_sched_clock_irq (kernel/rcu/tree.c:2297 (discriminator 22)) [ 6885.294401][ C2] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 6885.294627][ C2] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 6885.294776][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 6885.294926][ C2] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 6885.295073][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 6885.295221][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 6885.295444][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 6885.295596][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 6885.295779][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 6885.295930][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 6885.296191][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 6885.296373][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 6885.296557][ C2] [ 6885.296632][ C2] [ 6885.296784][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 6885.296974][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6885.297119][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 6885.297302][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 6885.297529][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 6885.297675][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 6885.297787][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 6885.297956][ C2] ? eth_header (net/ethernet/eth.c:100) [ 6885.298189][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 6885.298342][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 6885.298493][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 6885.298645][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 6885.298797][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 6885.298993][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 6885.299145][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 6885.299294][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 6885.299442][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 6885.299753][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 6885.299905][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 6885.300057][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 6885.300209][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 6885.300476][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 6885.300661][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 6885.300816][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 6885.300971][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 6885.301202][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 6885.301353][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 6885.301502][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 6885.301649][ C2] process_one_work (kernel/workqueue.c:3254) [ 6885.301907][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 6885.302057][ C2] ? assign_work (kernel/workqueue.c:1209) [ 6885.302204][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 6885.302352][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 6885.302554][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6885.302703][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6885.302850][ C2] kthread (kernel/kthread.c:388) [ 6885.302963][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 6885.303116][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 6885.303274][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 6885.303422][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 6912.470033][ C2] hardirqs last enabled at (6952496): irqentry_exit (kernel/entry/common.c:352) | [ 6912.470281][ C2] hardirqs last disabled at (6952497): sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043) | [ 6912.470564][ C2] softirqs last enabled at (4804798): neigh_resolve_output (net/core/neighbour.c:1539 net/core/neighbour.c:1553 net/core/neighbour.c:1543) | [ 6912.470855][ C2] softirqs last disabled at (4804802): __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:833 net/core/dev.c:4260) [ 6912.471407][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 6912.471741][ C2] Workqueue: mld mld_ifc_work [ 6912.471887][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6912.472108][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 6912.472685][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 6912.472867][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 6912.473081][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 6912.473363][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 6912.473571][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 6912.473781][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 6912.474069][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 6912.474322][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6912.474496][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 6912.474799][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 6912.475008][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 6912.475220][ C2] PKRU: 55555554 [ 6912.475397][ C2] Call Trace: [ 6912.475504][ C2] [ 6912.475577][ C2] ? watchdog_timer_fn (kernel/watchdog.c:548) [ 6912.475734][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 6912.475873][ C2] ? __pfx_watchdog_timer_fn (kernel/watchdog.c:466) [ 6912.476174][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 6912.476316][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 6912.476460][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 6912.476604][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 6912.476887][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 6912.477033][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 6912.477211][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 6912.477387][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 6912.477565][ C2] [ 6912.477637][ C2] [ 6912.477714][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 6912.477894][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6912.478035][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 6912.478221][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 6912.478363][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 6912.478500][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 6912.478627][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 6912.478767][ C2] ? eth_header (net/ethernet/eth.c:100) [ 6912.478912][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 6912.479053][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 6912.479195][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 6912.479411][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 6912.479553][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 6912.479662][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 6912.479813][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 6912.479951][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 6912.480160][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 6912.480299][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 6912.480437][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 6912.480576][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 6912.480783][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 6912.480956][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 6912.481125][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 6912.481263][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 6912.481494][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 6912.481640][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 6912.481782][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 6912.481925][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 6912.482137][ C2] process_one_work (kernel/workqueue.c:3254) [ 6912.482280][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 6912.482420][ C2] ? assign_work (kernel/workqueue.c:1209) [ 6912.482574][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 6912.482782][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 6912.482982][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6912.483123][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6912.483264][ C2] kthread (kernel/kthread.c:388) [ 6912.483385][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 6912.483530][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 6912.483673][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 6912.483814][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 6940.469804][ C2] hardirqs last enabled at (6952496): irqentry_exit (kernel/entry/common.c:352) | [ 6940.470050][ C2] hardirqs last disabled at (6952497): sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043) | [ 6940.470406][ C2] softirqs last enabled at (4804798): neigh_resolve_output (net/core/neighbour.c:1539 net/core/neighbour.c:1553 net/core/neighbour.c:1543) | [ 6940.470686][ C2] softirqs last disabled at (4804802): __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:833 net/core/dev.c:4260) [ 6940.471246][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 6940.471716][ C2] Workqueue: mld mld_ifc_work [ 6940.471863][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6940.472019][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 6940.472580][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 6940.472755][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 6940.472990][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 6940.473273][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 6940.473488][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 6940.473772][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 6940.473993][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 6940.474236][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6940.474491][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 6940.474703][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 6940.474917][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 6940.475201][ C2] PKRU: 55555554 [ 6940.475306][ C2] Call Trace: [ 6940.475414][ C2] [ 6940.475488][ C2] ? watchdog_timer_fn (kernel/watchdog.c:548) [ 6940.475632][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 6940.475873][ C2] ? __pfx_watchdog_timer_fn (kernel/watchdog.c:466) [ 6940.476016][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 6940.476157][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 6940.476298][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 6940.476442][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 6940.476624][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 6940.476765][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 6940.476940][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 6940.477118][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 6940.477296][ C2] [ 6940.477367][ C2] [ 6940.477437][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 6940.477613][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6940.477756][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 6940.477930][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 6940.478070][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 6940.478212][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 6940.478406][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 6940.478549][ C2] ? eth_header (net/ethernet/eth.c:100) [ 6940.478692][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 6940.478834][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 6940.479049][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 6940.479193][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 6940.479338][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 6940.479445][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 6940.479594][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 6940.479802][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 6940.479945][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 6940.480085][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 6940.480224][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 6940.480431][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 6940.480571][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 6940.480742][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 6940.480914][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 6940.481120][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 6940.481262][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 6940.481399][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 6940.481542][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 6940.481751][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 6940.481890][ C2] process_one_work (kernel/workqueue.c:3254) [ 6940.482050][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 6940.482197][ C2] ? assign_work (kernel/workqueue.c:1209) [ 6940.482480][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 6940.482624][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 6940.482806][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6940.482947][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6940.483158][ C2] kthread (kernel/kthread.c:388) [ 6940.483266][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 6940.483404][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 6940.483545][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 6940.483683][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 6940.483910][ C2] | [ 6963.305784][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 6963.306061][ C2] rcu: 2-....: (1 GPs behind) idle=a8f4/1/0x4000000000000000 softirq=1873706/1873706 fqs=504177 | [ 6963.306362][ C2] rcu: (t=1820449 jiffies g=3277105 q=45847 ncpus=4) [ 6963.306819][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 6963.307160][ C2] Workqueue: mld mld_ifc_work [ 6963.307317][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6963.307473][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 6963.308012][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 6963.308199][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 6963.308501][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 6963.308719][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 6963.309018][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 6963.309239][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 6963.309459][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 6963.309795][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6963.309980][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 6963.310201][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 6963.310506][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 6963.310741][ C2] PKRU: 55555554 [ 6963.310853][ C2] Call Trace: [ 6963.310966][ C2] [ 6963.311044][ C2] ? rcu_dump_cpu_stacks (kernel/rcu/tree_stall.h:379) [ 6963.311279][ C2] ? print_cpu_stall (kernel/rcu/tree_stall.h:699) [ 6963.311429][ C2] ? check_cpu_stall (kernel/rcu/tree_stall.h:799 (discriminator 2)) [ 6963.311579][ C2] ? debug_object_deactivate (lib/debugobjects.c:779) [ 6963.311731][ C2] ? rcu_pending (kernel/rcu/tree.c:3941 (discriminator 31)) [ 6963.311992][ C2] ? rcu_sched_clock_irq (kernel/rcu/tree.c:2297 (discriminator 22)) [ 6963.312153][ C2] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 6963.312304][ C2] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 6963.312454][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 6963.312607][ C2] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 6963.312764][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 6963.312915][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 6963.313068][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 6963.313223][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 6963.313411][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 6963.313563][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 6963.313752][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 6963.314019][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 6963.314207][ C2] [ 6963.314285][ C2] [ 6963.314364][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 6963.314554][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6963.314781][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 6963.314966][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 6963.315119][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 6963.315273][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 6963.315549][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 6963.315699][ C2] ? eth_header (net/ethernet/eth.c:100) [ 6963.315850][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 6963.316000][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 6963.316232][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 6963.316384][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 6963.316539][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 6963.316653][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 6963.316815][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 6963.317042][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 6963.317188][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 6963.317334][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 6963.317484][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 6963.317709][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 6963.317855][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 6963.318035][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 6963.318232][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 6963.318465][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 6963.318620][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 6963.318768][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 6963.318918][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 6963.319150][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 6963.319300][ C2] process_one_work (kernel/workqueue.c:3254) [ 6963.319451][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 6963.319605][ C2] ? assign_work (kernel/workqueue.c:1209) [ 6963.319851][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 6963.319998][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 6963.320184][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6963.320330][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6963.320479][ C2] kthread (kernel/kthread.c:388) [ 6963.320590][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 6963.320741][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 6963.320888][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 6963.321037][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 6976.837789][ T18] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 1803479 jiffies s: 809 root: 0x4/. | [ 6976.838146][ T18] rcu: blocking rcu_node structures (internal RCU debug): | [ 6976.838327][ T18] Sending NMI from CPU 0 to CPUs 2: | [ 6976.838447][ C2] NMI backtrace for cpu 2 [ 6976.838459][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 6976.838462][ C2] Workqueue: mld mld_ifc_work [ 6976.838471][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6976.838476][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 6976.838479][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 6976.838481][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 6976.838483][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 6976.838484][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 6976.838486][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 6976.838487][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 6976.838489][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 6976.838491][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6976.838494][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 6976.838495][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 6976.838496][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 6976.838498][ C2] PKRU: 55555554 [ 6976.838499][ C2] Call Trace: [ 6976.838502][ C2] [ 6976.838506][ C2] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 6976.838510][ C2] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 6976.838515][ C2] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 6976.838520][ C2] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 6976.838525][ C2] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 6976.838527][ C2] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 6976.838534][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6976.838536][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6976.838539][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6976.838541][ C2] [ 6976.838542][ C2] [ 6976.838543][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 6976.838548][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 6976.838553][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 6976.838557][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 6976.838560][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 6976.838563][ C2] ? eth_header (net/ethernet/eth.c:100) [ 6976.838567][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 6976.838570][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 6976.838576][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 6976.838583][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 6976.838587][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 6976.838590][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 6976.838593][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 6976.838597][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 6976.838599][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 6976.838602][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 6976.838606][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 6976.838609][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 6976.838611][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 6976.838616][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 6976.838619][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 6976.838621][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 6976.838625][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 6976.838629][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 6976.838633][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 6976.838637][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 6976.838640][ C2] process_one_work (kernel/workqueue.c:3254) [ 6976.838647][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 6976.838651][ C2] ? assign_work (kernel/workqueue.c:1209) [ 6976.838654][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 6976.838658][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 6976.838662][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6976.838666][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6976.838668][ C2] kthread (kernel/kthread.c:388) [ 6976.838671][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 6976.838674][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 6976.838677][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 6976.838679][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 7004.469882][ C2] hardirqs last enabled at (6952496): irqentry_exit (kernel/entry/common.c:352) | [ 7004.470201][ C2] hardirqs last disabled at (6952497): sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043) | [ 7004.470489][ C2] softirqs last enabled at (4804798): neigh_resolve_output (net/core/neighbour.c:1539 net/core/neighbour.c:1553 net/core/neighbour.c:1543) | [ 7004.470837][ C2] softirqs last disabled at (4804802): __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:833 net/core/dev.c:4260) [ 7004.471350][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 7004.471742][ C2] Workqueue: mld mld_ifc_work [ 7004.471890][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7004.472035][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 7004.472712][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 7004.472959][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 7004.473168][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 7004.473379][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 7004.473664][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 7004.473884][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 7004.474087][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 7004.474401][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7004.474594][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 7004.474808][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 7004.475090][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 7004.475298][ C2] PKRU: 55555554 [ 7004.475413][ C2] Call Trace: [ 7004.475521][ C2] [ 7004.475666][ C2] ? watchdog_timer_fn (kernel/watchdog.c:548) [ 7004.475808][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 7004.475952][ C2] ? __pfx_watchdog_timer_fn (kernel/watchdog.c:466) [ 7004.476094][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 7004.476308][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 7004.476451][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 7004.476595][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 7004.476784][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 7004.476996][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 7004.477172][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 7004.477349][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 7004.477522][ C2] [ 7004.477663][ C2] [ 7004.477750][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 7004.477932][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7004.478073][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 7004.478251][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 7004.478469][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 7004.478610][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 7004.478718][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 7004.478861][ C2] ? eth_header (net/ethernet/eth.c:100) [ 7004.479074][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 7004.479216][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 7004.479361][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 7004.479507][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 7004.479722][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 7004.479832][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 7004.479974][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 7004.480116][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 7004.480256][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 7004.480479][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 7004.480618][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 7004.480755][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 7004.480895][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 7004.481161][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 7004.481334][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 7004.481477][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 7004.481619][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 7004.481833][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 7004.481976][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 7004.482119][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 7004.482258][ C2] process_one_work (kernel/workqueue.c:3254) [ 7004.482486][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 7004.482650][ C2] ? assign_work (kernel/workqueue.c:1209) [ 7004.482791][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 7004.482932][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 7004.483250][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7004.483391][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7004.483538][ C2] kthread (kernel/kthread.c:388) [ 7004.483646][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 7004.483797][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 7004.484005][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 7004.484143][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 7032.470032][ C2] hardirqs last enabled at (6952496): irqentry_exit (kernel/entry/common.c:352) | [ 7032.470284][ C2] hardirqs last disabled at (6952497): sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043) | [ 7032.470566][ C2] softirqs last enabled at (4804798): neigh_resolve_output (net/core/neighbour.c:1539 net/core/neighbour.c:1553 net/core/neighbour.c:1543) | [ 7032.470847][ C2] softirqs last disabled at (4804802): __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:833 net/core/dev.c:4260) [ 7032.471415][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 7032.471728][ C2] Workqueue: mld mld_ifc_work [ 7032.471952][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7032.472097][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 7032.472693][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 7032.472870][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 7032.473079][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 7032.473365][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 7032.473589][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 7032.473797][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 7032.474078][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 7032.474326][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7032.474500][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 7032.474801][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 7032.475013][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 7032.475225][ C2] PKRU: 55555554 [ 7032.475400][ C2] Call Trace: [ 7032.475506][ C2] [ 7032.475580][ C2] ? watchdog_timer_fn (kernel/watchdog.c:548) [ 7032.475724][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 7032.475868][ C2] ? __pfx_watchdog_timer_fn (kernel/watchdog.c:466) [ 7032.476082][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 7032.476227][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 7032.476368][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 7032.476508][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 7032.476755][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 7032.476897][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 7032.477074][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 7032.477251][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 7032.477498][ C2] [ 7032.477571][ C2] [ 7032.477643][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 7032.477823][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7032.477965][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 7032.478214][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 7032.478361][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 7032.478511][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 7032.478617][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 7032.478916][ C2] ? eth_header (net/ethernet/eth.c:100) [ 7032.479058][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 7032.479200][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 7032.479341][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 7032.479484][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 7032.479643][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 7032.479752][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 7032.479895][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 7032.480039][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 7032.480183][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 7032.480323][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 7032.480466][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 7032.480607][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 7032.480750][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 7032.480930][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 7032.481108][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 7032.481248][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 7032.481460][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 7032.481600][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 7032.481741][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 7032.481895][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 7032.482106][ C2] process_one_work (kernel/workqueue.c:3254) [ 7032.482249][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 7032.482409][ C2] ? assign_work (kernel/workqueue.c:1209) [ 7032.482552][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 7032.482764][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 7032.482939][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7032.483083][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7032.483224][ C2] kthread (kernel/kthread.c:388) [ 7032.483403][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 7032.483546][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 7032.483698][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 7032.483838][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 7032.483983][ C2] | [ 7041.323784][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 7041.324112][ C2] rcu: 2-....: (1 GPs behind) idle=a8f4/1/0x4000000000000000 softirq=1873706/1873706 fqs=533734 | [ 7041.324406][ C2] rcu: (t=1898467 jiffies g=3277105 q=47306 ncpus=4) [ 7041.324954][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 7041.325370][ C2] Workqueue: mld mld_ifc_work [ 7041.325528][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7041.325684][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 7041.326307][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 7041.326493][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 7041.326791][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 7041.327013][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 7041.327232][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 7041.327528][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 7041.327744][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 7041.327999][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7041.328263][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 7041.328501][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 7041.328722][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 7041.329055][ C2] PKRU: 55555554 [ 7041.329170][ C2] Call Trace: [ 7041.329283][ C2] [ 7041.329361][ C2] ? rcu_dump_cpu_stacks (kernel/rcu/tree_stall.h:379) [ 7041.329521][ C2] ? print_cpu_stall (kernel/rcu/tree_stall.h:699) [ 7041.329673][ C2] ? check_cpu_stall (kernel/rcu/tree_stall.h:799 (discriminator 2)) [ 7041.329822][ C2] ? debug_object_deactivate (lib/debugobjects.c:779) [ 7041.329974][ C2] ? rcu_pending (kernel/rcu/tree.c:3941 (discriminator 31)) [ 7041.330128][ C2] ? rcu_sched_clock_irq (kernel/rcu/tree.c:2297 (discriminator 22)) [ 7041.330358][ C2] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 7041.330508][ C2] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 7041.330658][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 7041.330807][ C2] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 7041.331039][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 7041.331192][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 7041.331340][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 7041.331490][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 7041.331758][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 7041.331908][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 7041.332093][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 7041.332285][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 7041.332556][ C2] [ 7041.332632][ C2] [ 7041.332708][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 7041.332896][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7041.333045][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 7041.333313][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 7041.333465][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 7041.333621][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 7041.333732][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 7041.333977][ C2] ? eth_header (net/ethernet/eth.c:100) [ 7041.334124][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 7041.334270][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 7041.334422][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 7041.334571][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 7041.334734][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 7041.334852][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 7041.335001][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 7041.335150][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 7041.335301][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 7041.335451][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 7041.335601][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 7041.335748][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 7041.335990][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 7041.336172][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 7041.336361][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 7041.336506][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 7041.336730][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 7041.336876][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 7041.337037][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 7041.337186][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 7041.337417][ C2] process_one_work (kernel/workqueue.c:3254) [ 7041.337566][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 7041.337718][ C2] ? assign_work (kernel/workqueue.c:1209) [ 7041.337867][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 7041.338095][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 7041.338280][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7041.338430][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7041.338578][ C2] kthread (kernel/kthread.c:388) [ 7041.338773][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 7041.338923][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 7041.339073][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 7041.339221][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 7068.469932][ C2] hardirqs last enabled at (6952496): irqentry_exit (kernel/entry/common.c:352) | [ 7068.470183][ C2] hardirqs last disabled at (6952497): sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043) | [ 7068.470600][ C2] softirqs last enabled at (4804798): neigh_resolve_output (net/core/neighbour.c:1539 net/core/neighbour.c:1553 net/core/neighbour.c:1543) | [ 7068.470879][ C2] softirqs last disabled at (4804802): __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:833 net/core/dev.c:4260) [ 7068.471446][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 7068.471839][ C2] Workqueue: mld mld_ifc_work [ 7068.471990][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7068.472138][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 7068.472655][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 7068.472835][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 7068.473050][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 7068.473263][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 7068.473479][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 7068.473690][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 7068.473904][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 7068.474152][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7068.474406][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 7068.474621][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 7068.474843][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 7068.475128][ C2] PKRU: 55555554 [ 7068.475234][ C2] Call Trace: [ 7068.475341][ C2] [ 7068.475416][ C2] ? watchdog_timer_fn (kernel/watchdog.c:548) [ 7068.475559][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 7068.475775][ C2] ? __pfx_watchdog_timer_fn (kernel/watchdog.c:466) [ 7068.475920][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 7068.476062][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 7068.476202][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 7068.476417][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 7068.476597][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 7068.476741][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 7068.476923][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 7068.477170][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 7068.477348][ C2] [ 7068.477420][ C2] [ 7068.477492][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 7068.477742][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7068.477887][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 7068.478065][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 7068.478212][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 7068.478427][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 7068.478536][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 7068.478679][ C2] ? eth_header (net/ethernet/eth.c:100) [ 7068.478821][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 7068.478965][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 7068.479180][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 7068.479326][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 7068.479470][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 7068.479581][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 7068.479799][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 7068.479945][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 7068.480087][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 7068.480230][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 7068.480374][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 7068.480517][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 7068.480657][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 7068.480838][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 7068.481013][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 7068.481153][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 7068.481296][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 7068.481436][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 7068.481579][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 7068.481796][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 7068.481937][ C2] process_one_work (kernel/workqueue.c:3254) [ 7068.482083][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 7068.482231][ C2] ? assign_work (kernel/workqueue.c:1209) [ 7068.482442][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 7068.482583][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 7068.482762][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7068.482904][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7068.483115][ C2] kthread (kernel/kthread.c:388) [ 7068.483222][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 7068.483364][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 7068.483506][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 7068.483716][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 7075.141789][ T18] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 1901783 jiffies s: 809 root: 0x4/. | [ 7075.142191][ T18] rcu: blocking rcu_node structures (internal RCU debug): | [ 7075.142379][ T18] Sending NMI from CPU 0 to CPUs 2: | [ 7075.142504][ C2] NMI backtrace for cpu 2 [ 7075.142516][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 7075.142519][ C2] Workqueue: mld mld_ifc_work [ 7075.142527][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7075.142531][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 7075.142534][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 7075.142536][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 7075.142538][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 7075.142540][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 7075.142542][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 7075.142543][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 7075.142545][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 7075.142547][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7075.142550][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 7075.142551][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 7075.142552][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 7075.142554][ C2] PKRU: 55555554 [ 7075.142555][ C2] Call Trace: [ 7075.142558][ C2] [ 7075.142561][ C2] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 7075.142565][ C2] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 7075.142570][ C2] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 7075.142575][ C2] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 7075.142579][ C2] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 7075.142582][ C2] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 7075.142589][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7075.142592][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7075.142594][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7075.142597][ C2] [ 7075.142598][ C2] [ 7075.142599][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 7075.142603][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 7075.142609][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 7075.142612][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 7075.142616][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 7075.142619][ C2] ? eth_header (net/ethernet/eth.c:100) [ 7075.142623][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 7075.142627][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 7075.142633][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 7075.142639][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 7075.142644][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 7075.142648][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 7075.142651][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 7075.142654][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 7075.142657][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 7075.142660][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 7075.142663][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 7075.142667][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 7075.142670][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 7075.142674][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 7075.142677][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 7075.142679][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 7075.142684][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 7075.142688][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 7075.142692][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 7075.142696][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 7075.142699][ C2] process_one_work (kernel/workqueue.c:3254) [ 7075.142706][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 7075.142711][ C2] ? assign_work (kernel/workqueue.c:1209) [ 7075.142714][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 7075.142718][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 7075.142722][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7075.142725][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7075.142728][ C2] kthread (kernel/kthread.c:388) [ 7075.142732][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 7075.142735][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 7075.142738][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 7075.142740][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 7100.469932][ C2] hardirqs last enabled at (6952496): irqentry_exit (kernel/entry/common.c:352) | [ 7100.470261][ C2] hardirqs last disabled at (6952497): sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043) | [ 7100.470536][ C2] softirqs last enabled at (4804798): neigh_resolve_output (net/core/neighbour.c:1539 net/core/neighbour.c:1553 net/core/neighbour.c:1543) | [ 7100.470888][ C2] softirqs last disabled at (4804802): __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:833 net/core/dev.c:4260) [ 7100.471376][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 7100.471690][ C2] Workqueue: mld mld_ifc_work [ 7100.471836][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7100.471981][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 7100.472492][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 7100.472674][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 7100.472886][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 7100.473097][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 7100.473393][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 7100.473602][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 7100.473807][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 7100.474139][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7100.474317][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 7100.474530][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 7100.474885][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 7100.475098][ C2] PKRU: 55555554 [ 7100.475204][ C2] Call Trace: [ 7100.475381][ C2] [ 7100.475454][ C2] ? watchdog_timer_fn (kernel/watchdog.c:548) [ 7100.475605][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 7100.475748][ C2] ? __pfx_watchdog_timer_fn (kernel/watchdog.c:466) [ 7100.475887][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 7100.476096][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 7100.476234][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 7100.476376][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 7100.476551][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 7100.476763][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 7100.476938][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 7100.477110][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 7100.477284][ C2] [ 7100.477425][ C2] [ 7100.477496][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 7100.477683][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7100.477822][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 7100.478064][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 7100.478206][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 7100.478344][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 7100.478450][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 7100.478592][ C2] ? eth_header (net/ethernet/eth.c:100) [ 7100.478801][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 7100.478962][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 7100.479104][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 7100.479249][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 7100.479464][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 7100.479571][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 7100.479716][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 7100.479859][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 7100.480003][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 7100.480214][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 7100.480359][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 7100.480500][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 7100.480644][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 7100.480894][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 7100.481069][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 7100.481209][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 7100.481354][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 7100.481499][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 7100.481646][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 7100.481788][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 7100.481931][ C2] process_one_work (kernel/workqueue.c:3254) [ 7100.482081][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 7100.482224][ C2] ? assign_work (kernel/workqueue.c:1209) [ 7100.482364][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 7100.482509][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 7100.482684][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7100.482829][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7100.482969][ C2] kthread (kernel/kthread.c:388) [ 7100.483076][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 7100.483287][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 7100.483432][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 7100.483573][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 7100.483726][ C2] | [ 7119.341788][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 7119.342241][ C2] rcu: 2-....: (1 GPs behind) idle=a8f4/1/0x4000000000000000 softirq=1873706/1873706 fqs=563530 | [ 7119.342541][ C2] rcu: (t=1976485 jiffies g=3277105 q=48765 ncpus=4) [ 7119.342988][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 7119.343324][ C2] Workqueue: mld mld_ifc_work [ 7119.343653][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7119.343808][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 7119.344417][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 7119.344615][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 7119.344840][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 7119.345141][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 7119.345358][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 7119.345577][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 7119.345879][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 7119.346157][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7119.346345][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 7119.346650][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 7119.346877][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 7119.347185][ C2] PKRU: 55555554 [ 7119.347303][ C2] Call Trace: [ 7119.347415][ C2] [ 7119.347491][ C2] ? rcu_dump_cpu_stacks (kernel/rcu/tree_stall.h:379) [ 7119.347639][ C2] ? print_cpu_stall (kernel/rcu/tree_stall.h:699) [ 7119.347785][ C2] ? check_cpu_stall (kernel/rcu/tree_stall.h:799 (discriminator 2)) [ 7119.348029][ C2] ? debug_object_deactivate (lib/debugobjects.c:779) [ 7119.348179][ C2] ? rcu_pending (kernel/rcu/tree.c:3941 (discriminator 31)) [ 7119.348327][ C2] ? rcu_sched_clock_irq (kernel/rcu/tree.c:2297 (discriminator 22)) [ 7119.348475][ C2] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 7119.348705][ C2] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 7119.348856][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 7119.349005][ C2] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 7119.349153][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 7119.349381][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 7119.349533][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 7119.349681][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 7119.349870][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 7119.350110][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 7119.350293][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 7119.350476][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 7119.350676][ C2] [ 7119.350840][ C2] [ 7119.350915][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 7119.351106][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7119.351258][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 7119.351447][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 7119.351601][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 7119.351748][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 7119.351861][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 7119.352016][ C2] ? eth_header (net/ethernet/eth.c:100) [ 7119.352172][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 7119.352321][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 7119.352475][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 7119.352628][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 7119.352870][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 7119.352984][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 7119.353136][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 7119.353285][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 7119.353440][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 7119.353586][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 7119.353736][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 7119.353889][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 7119.354058][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 7119.354243][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 7119.354428][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 7119.354576][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 7119.354726][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 7119.354974][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 7119.355130][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 7119.355285][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 7119.355434][ C2] process_one_work (kernel/workqueue.c:3254) [ 7119.355586][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 7119.355738][ C2] ? assign_work (kernel/workqueue.c:1209) [ 7119.355889][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 7119.356041][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 7119.356227][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7119.356377][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7119.356535][ C2] kthread (kernel/kthread.c:388) [ 7119.356646][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 7119.356889][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 7119.357039][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 7119.357184][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 7144.469868][ C2] hardirqs last enabled at (6952496): irqentry_exit (kernel/entry/common.c:352) | [ 7144.470114][ C2] hardirqs last disabled at (6952497): sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043) | [ 7144.470466][ C2] softirqs last enabled at (4804798): neigh_resolve_output (net/core/neighbour.c:1539 net/core/neighbour.c:1553 net/core/neighbour.c:1543) | [ 7144.470750][ C2] softirqs last disabled at (4804802): __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:833 net/core/dev.c:4260) [ 7144.471316][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 7144.471642][ C2] Workqueue: mld mld_ifc_work [ 7144.471913][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 7144.472059][ C2] Code: 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 29 f0 0f b7 c8 <39> ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 89 04 24 e8 All code ======== 0: 05 80 fa 03 7e add $0x7e03fa80,%eax 5: 36 8b 55 28 ss mov 0x28(%rbp),%edx 9: 44 39 ea cmp %r13d,%edx c: 76 15 jbe 0x23 e: 48 83 c4 10 add $0x10,%rsp 12: 5d pop %rbp 13: 41 5c pop %r12 15: 41 5d pop %r13 17: c3 ret 18: cc int3 19: cc int3 1a: cc int3 1b: cc int3 1c: 31 c0 xor %eax,%eax 1e: 45 31 ed xor %r13d,%r13d 21: eb 92 jmp 0xffffffffffffffb5 23: 89 d6 mov %edx,%esi 25: 29 f0 sub %esi,%eax 27: 0f b7 c8 movzwl %ax,%ecx 2a:* 39 ca cmp %ecx,%edx <-- trapping instruction 2c: 76 f7 jbe 0x25 2e: 48 83 c4 10 add $0x10,%rsp 32: 5d pop %rbp 33: 41 5c pop %r12 35: 41 5d pop %r13 37: c3 ret 38: cc int3 39: cc int3 3a: cc int3 3b: cc int3 3c: 89 04 24 mov %eax,(%rsp) 3f: e8 .byte 0xe8 Code starting with the faulting instruction =========================================== 0: 39 ca cmp %ecx,%edx 2: 76 f7 jbe 0xfffffffffffffffb 4: 48 83 c4 10 add $0x10,%rsp 8: 5d pop %rbp 9: 41 5c pop %r12 b: 41 5d pop %r13 d: c3 ret e: cc int3 f: cc int3 10: cc int3 11: cc int3 12: 89 04 24 mov %eax,(%rsp) 15: e8 .byte 0xe8 [ 7144.472561][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 7144.472739][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 7144.472950][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 7144.473172][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 7144.473378][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 7144.473606][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 7144.473817][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 7144.474065][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7144.474244][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 7144.474532][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 7144.474742][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 7144.474953][ C2] PKRU: 55555554 [ 7144.475131][ C2] Call Trace: [ 7144.475236][ C2] [ 7144.475310][ C2] ? watchdog_timer_fn (kernel/watchdog.c:548) [ 7144.475456][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 7144.475596][ C2] ? __pfx_watchdog_timer_fn (kernel/watchdog.c:466) [ 7144.475809][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 7144.475951][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 7144.476091][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 7144.476241][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 7144.476487][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 7144.476625][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 7144.476799][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 7144.476973][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 7144.477305][ C2] [ 7144.477377][ C2] [ 7144.477450][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 7144.477629][ C2] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 7144.477867][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 7144.478045][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 7144.478190][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 7144.478344][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 7144.478461][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 7144.478603][ C2] ? eth_header (net/ethernet/eth.c:100) [ 7144.478744][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 7144.478885][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 7144.479027][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 7144.479171][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 7144.479310][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 7144.479421][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 7144.479561][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 7144.479702][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 7144.479842][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 7144.479979][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 7144.480141][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 7144.480290][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 7144.480505][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 7144.480682][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 7144.480860][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 7144.481074][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 7144.481220][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 7144.481374][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 7144.481514][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 7144.481653][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 7144.481863][ C2] process_one_work (kernel/workqueue.c:3254) [ 7144.482023][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 7144.482167][ C2] ? assign_work (kernel/workqueue.c:1209) [ 7144.482310][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 7144.482520][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 7144.482694][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7144.482838][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7144.482978][ C2] kthread (kernel/kthread.c:388) [ 7144.483155][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 7144.483296][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 7144.483437][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 7144.483578][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 7172.469880][ C2] hardirqs last enabled at (6952496): irqentry_exit (kernel/entry/common.c:352) | [ 7172.470126][ C2] hardirqs last disabled at (6952497): sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043) | [ 7172.470416][ C2] softirqs last enabled at (4804798): neigh_resolve_output (net/core/neighbour.c:1539 net/core/neighbour.c:1553 net/core/neighbour.c:1543) | [ 7172.470694][ C2] softirqs last disabled at (4804802): __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:833 net/core/dev.c:4260) [ 7172.471176][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 7172.471569][ C2] Workqueue: mld mld_ifc_work [ 7172.471714][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7172.471882][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 7172.472457][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 7172.472635][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 7172.472965][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 7172.473172][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 7172.473382][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 7172.473588][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 7172.473800][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 7172.474040][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7172.474231][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 7172.474445][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 7172.474657][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 7172.474872][ C2] PKRU: 55555554 [ 7172.474977][ C2] Call Trace: [ 7172.475085][ C2] [ 7172.475159][ C2] ? watchdog_timer_fn (kernel/watchdog.c:548) [ 7172.475304][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 7172.475525][ C2] ? __pfx_watchdog_timer_fn (kernel/watchdog.c:466) [ 7172.475664][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 7172.475803][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 7172.475941][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 7172.476154][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 7172.476328][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 7172.476467][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 7172.476658][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 7172.476905][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 7172.477083][ C2] [ 7172.477156][ C2] [ 7172.477228][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 7172.477479][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7172.477622][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 7172.477807][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 7172.477948][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 7172.478158][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 7172.478264][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 7172.478403][ C2] ? eth_header (net/ethernet/eth.c:100) [ 7172.478543][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 7172.478683][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 7172.478901][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 7172.479042][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 7172.479187][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 7172.479293][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 7172.479435][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 7172.479574][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 7172.479715][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 7172.479859][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 7172.480001][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 7172.480139][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 7172.480278][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 7172.480452][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 7172.480626][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 7172.480765][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 7172.480927][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 7172.481072][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 7172.481285][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 7172.481427][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 7172.481569][ C2] process_one_work (kernel/workqueue.c:3254) [ 7172.481713][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 7172.481865][ C2] ? assign_work (kernel/workqueue.c:1209) [ 7172.482076][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 7172.482216][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 7172.482391][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7172.482530][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7172.482742][ C2] kthread (kernel/kthread.c:388) [ 7172.482853][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 7172.482995][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 7172.483137][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 7172.483419][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 7173.445788][ T18] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 2000087 jiffies s: 809 root: 0x4/. | [ 7173.446168][ T18] rcu: blocking rcu_node structures (internal RCU debug): | [ 7173.446347][ T18] Sending NMI from CPU 0 to CPUs 2: | [ 7173.446462][ C2] NMI backtrace for cpu 2 [ 7173.446470][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 7173.446472][ C2] Workqueue: mld mld_ifc_work [ 7173.446476][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7173.446479][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 7173.446481][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 7173.446483][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 7173.446485][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 7173.446487][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 7173.446488][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 7173.446490][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 7173.446491][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 7173.446493][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7173.446496][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 7173.446498][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 7173.446499][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 7173.446501][ C2] PKRU: 55555554 [ 7173.446502][ C2] Call Trace: [ 7173.446504][ C2] [ 7173.446506][ C2] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 7173.446510][ C2] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 7173.446514][ C2] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 7173.446519][ C2] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 7173.446522][ C2] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 7173.446525][ C2] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 7173.446531][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7173.446533][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7173.446536][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7173.446538][ C2] [ 7173.446539][ C2] [ 7173.446540][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 7173.446543][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 7173.446548][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 7173.446551][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 7173.446554][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 7173.446557][ C2] ? eth_header (net/ethernet/eth.c:100) [ 7173.446561][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 7173.446564][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 7173.446569][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 7173.446574][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 7173.446578][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 7173.446581][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 7173.446584][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 7173.446587][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 7173.446590][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 7173.446593][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 7173.446596][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 7173.446599][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 7173.446601][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 7173.446605][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 7173.446608][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 7173.446610][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 7173.446614][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 7173.446617][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 7173.446622][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 7173.446626][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 7173.446645][ C2] process_one_work (kernel/workqueue.c:3254) [ 7173.446650][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 7173.446655][ C2] ? assign_work (kernel/workqueue.c:1209) [ 7173.446659][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 7173.446662][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 7173.446667][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7173.446670][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7173.446673][ C2] kthread (kernel/kthread.c:388) [ 7173.446675][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 7173.446678][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 7173.446680][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 7173.446682][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 7173.446689][ C2] | [ 7197.359773][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 7197.360055][ C2] rcu: 2-....: (1 GPs behind) idle=a8f4/1/0x4000000000000000 softirq=1873706/1873706 fqs=596915 | [ 7197.360430][ C2] rcu: (t=2054503 jiffies g=3277105 q=50224 ncpus=4) [ 7197.360996][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 7197.361337][ C2] Workqueue: mld mld_ifc_work [ 7197.361498][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7197.361661][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 7197.362198][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 7197.362394][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 7197.362618][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 7197.362847][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 7197.363074][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 7197.363303][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 7197.363612][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 7197.363871][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7197.364060][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 7197.364366][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 7197.364592][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 7197.364816][ C2] PKRU: 55555554 [ 7197.364928][ C2] Call Trace: [ 7197.365122][ C2] [ 7197.365202][ C2] ? rcu_dump_cpu_stacks (kernel/rcu/tree_stall.h:379) [ 7197.365356][ C2] ? print_cpu_stall (kernel/rcu/tree_stall.h:699) [ 7197.365505][ C2] ? check_cpu_stall (kernel/rcu/tree_stall.h:799 (discriminator 2)) [ 7197.365687][ C2] ? debug_object_deactivate (lib/debugobjects.c:779) [ 7197.365945][ C2] ? rcu_pending (kernel/rcu/tree.c:3941 (discriminator 31)) [ 7197.366109][ C2] ? rcu_sched_clock_irq (kernel/rcu/tree.c:2297 (discriminator 22)) [ 7197.366270][ C2] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 7197.366435][ C2] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 7197.366602][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 7197.366765][ C2] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 7197.366941][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 7197.367094][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 7197.367243][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 7197.367397][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 7197.367586][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 7197.367739][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 7197.368009][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 7197.368197][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 7197.368390][ C2] [ 7197.368466][ C2] [ 7197.368542][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 7197.368892][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7197.369041][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 7197.369227][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 7197.369458][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 7197.369609][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 7197.369721][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 7197.369872][ C2] ? eth_header (net/ethernet/eth.c:100) [ 7197.370023][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 7197.370253][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 7197.370405][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 7197.370559][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 7197.370709][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 7197.370904][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 7197.371053][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 7197.371203][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 7197.371353][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 7197.371502][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 7197.371740][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 7197.371893][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 7197.372043][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 7197.372232][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 7197.372497][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 7197.372649][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 7197.372801][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 7197.372955][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 7197.373188][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 7197.373337][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 7197.373485][ C2] process_one_work (kernel/workqueue.c:3254) [ 7197.373638][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 7197.373880][ C2] ? assign_work (kernel/workqueue.c:1209) [ 7197.374032][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 7197.374182][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 7197.374368][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7197.374519][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7197.374669][ C2] kthread (kernel/kthread.c:388) [ 7197.374785][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 7197.374935][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 7197.375085][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 7197.375234][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 7224.469928][ C2] hardirqs last enabled at (6952496): irqentry_exit (kernel/entry/common.c:352) | [ 7224.470233][ C2] hardirqs last disabled at (6952497): sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043) | [ 7224.470492][ C2] softirqs last enabled at (4804798): neigh_resolve_output (net/core/neighbour.c:1539 net/core/neighbour.c:1553 net/core/neighbour.c:1543) | [ 7224.470820][ C2] softirqs last disabled at (4804802): __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:833 net/core/dev.c:4260) [ 7224.471350][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 7224.471645][ C2] Workqueue: mld mld_ifc_work [ 7224.471784][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7224.471994][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 7224.472452][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 7224.472690][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 7224.472882][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 7224.473077][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 7224.473413][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 7224.473607][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 7224.473799][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 7224.474098][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7224.474260][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 7224.474527][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 7224.474725][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 7224.474917][ C2] PKRU: 55555554 [ 7224.475017][ C2] Call Trace: [ 7224.475184][ C2] [ 7224.475254][ C2] ? watchdog_timer_fn (kernel/watchdog.c:548) [ 7224.475387][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 7224.475518][ C2] ? __pfx_watchdog_timer_fn (kernel/watchdog.c:466) [ 7224.475647][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 7224.475861][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 7224.475993][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 7224.476124][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 7224.476287][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 7224.476419][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 7224.476581][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 7224.476745][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 7224.476909][ C2] [ 7224.476976][ C2] [ 7224.477041][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 7224.477205][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7224.477335][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 7224.477498][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 7224.477632][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 7224.477761][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 7224.477863][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 7224.477992][ C2] ? eth_header (net/ethernet/eth.c:100) [ 7224.478194][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 7224.478324][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 7224.478459][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 7224.478592][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 7224.478795][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 7224.478895][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 7224.479024][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 7224.479155][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 7224.479355][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 7224.479489][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 7224.479620][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 7224.479750][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 7224.479879][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 7224.480111][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 7224.480274][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 7224.480405][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 7224.480608][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 7224.480739][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 7224.480870][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 7224.481000][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 7224.481130][ C2] process_one_work (kernel/workqueue.c:3254) [ 7224.481335][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 7224.481467][ C2] ? assign_work (kernel/workqueue.c:1209) [ 7224.481605][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 7224.481735][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 7224.481979][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7224.482108][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7224.482246][ C2] kthread (kernel/kthread.c:388) [ 7224.482345][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 7224.482474][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 7224.482603][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 7224.482733][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 7252.469908][ C2] hardirqs last enabled at (6952496): irqentry_exit (kernel/entry/common.c:352) | [ 7252.470145][ C2] hardirqs last disabled at (6952497): sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043) | [ 7252.470401][ C2] softirqs last enabled at (4804798): neigh_resolve_output (net/core/neighbour.c:1539 net/core/neighbour.c:1553 net/core/neighbour.c:1543) | [ 7252.470657][ C2] softirqs last disabled at (4804802): __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:833 net/core/dev.c:4260) [ 7252.471122][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 7252.471413][ C2] Workqueue: mld mld_ifc_work [ 7252.471550][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7252.471686][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 7252.472220][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 7252.472383][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 7252.472575][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 7252.472843][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 7252.473034][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 7252.473227][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 7252.473492][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 7252.473718][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7252.473881][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 7252.474149][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 7252.474340][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 7252.474607][ C2] PKRU: 55555554 [ 7252.474707][ C2] Call Trace: [ 7252.474804][ C2] [ 7252.474873][ C2] ? watchdog_timer_fn (kernel/watchdog.c:548) [ 7252.475007][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 7252.475137][ C2] ? __pfx_watchdog_timer_fn (kernel/watchdog.c:466) [ 7252.475341][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 7252.475475][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 7252.475604][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 7252.475735][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 7252.475980][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 7252.476111][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 7252.476272][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 7252.476437][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 7252.476597][ C2] [ 7252.476664][ C2] [ 7252.476730][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 7252.476893][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7252.477023][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 7252.477188][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 7252.477319][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 7252.477450][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 7252.477550][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 7252.477679][ C2] ? eth_header (net/ethernet/eth.c:100) [ 7252.477809][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 7252.477941][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 7252.478074][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 7252.478277][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 7252.478407][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 7252.478506][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 7252.478637][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 7252.478926][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 7252.479059][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 7252.479189][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 7252.479318][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 7252.479447][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 7252.479575][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 7252.479737][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 7252.479901][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 7252.480029][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 7252.480163][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 7252.480294][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 7252.480425][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 7252.480555][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 7252.480687][ C2] process_one_work (kernel/workqueue.c:3254) [ 7252.480820][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 7252.480986][ C2] ? assign_work (kernel/workqueue.c:1209) [ 7252.481131][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 7252.481332][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 7252.481497][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7252.481629][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7252.481757][ C2] kthread (kernel/kthread.c:388) [ 7252.481943][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 7252.482073][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 7252.482204][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 7252.482332][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 7271.749788][ T18] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 2098391 jiffies s: 809 root: 0x4/. | [ 7271.750137][ T18] rcu: blocking rcu_node structures (internal RCU debug): | [ 7271.750266][ T18] Sending NMI from CPU 0 to CPUs 2: | [ 7271.750385][ C2] NMI backtrace for cpu 2 [ 7271.750396][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 7271.750400][ C2] Workqueue: mld mld_ifc_work [ 7271.750412][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7271.750418][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 7271.750422][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 7271.750424][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 7271.750427][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 7271.750428][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 7271.750431][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 7271.750432][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 7271.750434][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 7271.750436][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7271.750439][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 7271.750441][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 7271.750443][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 7271.750445][ C2] PKRU: 55555554 [ 7271.750446][ C2] Call Trace: [ 7271.750450][ C2] [ 7271.750454][ C2] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 7271.750459][ C2] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 7271.750466][ C2] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 7271.750472][ C2] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 7271.750479][ C2] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 7271.750482][ C2] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 7271.750490][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7271.750493][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7271.750496][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7271.750498][ C2] [ 7271.750499][ C2] [ 7271.750500][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 7271.750506][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 7271.750514][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 7271.750517][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 7271.750521][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 7271.750524][ C2] ? eth_header (net/ethernet/eth.c:100) [ 7271.750530][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 7271.750533][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 7271.750540][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 7271.750548][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 7271.750553][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 7271.750557][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 7271.750561][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 7271.750564][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 7271.750567][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 7271.750570][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 7271.750574][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 7271.750578][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 7271.750581][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 7271.750587][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 7271.750590][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 7271.750592][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 7271.750599][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 7271.750603][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 7271.750608][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 7271.750612][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 7271.750615][ C2] process_one_work (kernel/workqueue.c:3254) [ 7271.750624][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 7271.750629][ C2] ? assign_work (kernel/workqueue.c:1209) [ 7271.750633][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 7271.750637][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 7271.750641][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7271.750645][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7271.750647][ C2] kthread (kernel/kthread.c:388) [ 7271.750652][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 7271.750655][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 7271.750659][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 7271.750661][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 7271.750670][ C2] | [ 7275.378772][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 7275.379125][ C2] rcu: 2-....: (1 GPs behind) idle=a8f4/1/0x4000000000000000 softirq=1873706/1873706 fqs=628840 | [ 7275.379493][ C2] rcu: (t=2132522 jiffies g=3277105 q=51683 ncpus=4) [ 7275.379912][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 7275.380301][ C2] Workqueue: mld mld_ifc_work [ 7275.380449][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7275.380598][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 7275.381171][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 7275.381434][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 7275.381639][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 7275.381849][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 7275.382136][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 7275.382340][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 7275.382544][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 7275.382865][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7275.383039][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 7275.383247][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 7275.383617][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 7275.383824][ C2] PKRU: 55555554 [ 7275.383928][ C2] Call Trace: [ 7275.384031][ C2] [ 7275.384187][ C2] ? rcu_dump_cpu_stacks (kernel/rcu/tree_stall.h:379) [ 7275.384330][ C2] ? print_cpu_stall (kernel/rcu/tree_stall.h:699) [ 7275.384469][ C2] ? check_cpu_stall (kernel/rcu/tree_stall.h:799 (discriminator 2)) [ 7275.384606][ C2] ? debug_object_deactivate (lib/debugobjects.c:779) [ 7275.384749][ C2] ? rcu_pending (kernel/rcu/tree.c:3941 (discriminator 31)) [ 7275.384976][ C2] ? rcu_sched_clock_irq (kernel/rcu/tree.c:2297 (discriminator 22)) [ 7275.385114][ C2] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 7275.385253][ C2] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 7275.385395][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 7275.385532][ C2] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 7275.385670][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 7275.385811][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 7275.385948][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 7275.386087][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 7275.386260][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 7275.386401][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 7275.386575][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 7275.386828][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 7275.387004][ C2] [ 7275.387074][ C2] [ 7275.387144][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 7275.387398][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7275.387536][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 7275.387714][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 7275.387857][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 7275.388076][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 7275.388180][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 7275.388318][ C2] ? eth_header (net/ethernet/eth.c:100) [ 7275.388457][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 7275.388598][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 7275.388819][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 7275.388959][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 7275.389099][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 7275.389203][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 7275.389420][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 7275.389559][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 7275.389699][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 7275.389836][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 7275.389974][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 7275.390194][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 7275.390334][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 7275.390506][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 7275.390758][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 7275.390894][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 7275.391033][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 7275.391171][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 7275.391317][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 7275.391535][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 7275.391676][ C2] process_one_work (kernel/workqueue.c:3254) [ 7275.391818][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 7275.391957][ C2] ? assign_work (kernel/workqueue.c:1209) [ 7275.392177][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 7275.392314][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 7275.392485][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7275.392626][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7275.392843][ C2] kthread (kernel/kthread.c:388) [ 7275.392950][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 7275.393087][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 7275.393225][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 7275.393441][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 7300.469968][ C2] hardirqs last enabled at (6952496): irqentry_exit (kernel/entry/common.c:352) | [ 7300.470266][ C2] hardirqs last disabled at (6952497): sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043) | [ 7300.470520][ C2] softirqs last enabled at (4804798): neigh_resolve_output (net/core/neighbour.c:1539 net/core/neighbour.c:1553 net/core/neighbour.c:1543) | [ 7300.470867][ C2] softirqs last disabled at (4804802): __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:833 net/core/dev.c:4260) [ 7300.471327][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 7300.471614][ C2] Workqueue: mld mld_ifc_work [ 7300.471755][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7300.471892][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 7300.472345][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 7300.472508][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 7300.472703][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 7300.472896][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 7300.473161][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 7300.473352][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 7300.473547][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 7300.473857][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7300.474022][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 7300.474214][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 7300.474409][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 7300.474611][ C2] PKRU: 55555554 [ 7300.474708][ C2] Call Trace: [ 7300.474805][ C2] [ 7300.474873][ C2] ? watchdog_timer_fn (kernel/watchdog.c:548) [ 7300.475009][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 7300.475138][ C2] ? __pfx_watchdog_timer_fn (kernel/watchdog.c:466) [ 7300.475272][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 7300.475401][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 7300.475530][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 7300.475661][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 7300.475823][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 7300.475956][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 7300.476192][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 7300.476352][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 7300.476512][ C2] [ 7300.476578][ C2] [ 7300.476715][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 7300.476878][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7300.477012][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 7300.477176][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 7300.477379][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 7300.477508][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 7300.477606][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 7300.477735][ C2] ? eth_header (net/ethernet/eth.c:100) [ 7300.477869][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 7300.478071][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 7300.478201][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 7300.478335][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 7300.478465][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 7300.478634][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 7300.478762][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 7300.478894][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 7300.479022][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 7300.479295][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 7300.479424][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 7300.479553][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 7300.479683][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 7300.479917][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 7300.480076][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 7300.480204][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 7300.480333][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 7300.480537][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 7300.480666][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 7300.480799][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 7300.480930][ C2] process_one_work (kernel/workqueue.c:3254) [ 7300.481061][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 7300.481267][ C2] ? assign_work (kernel/workqueue.c:1209) [ 7300.481397][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 7300.481526][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 7300.481689][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7300.481895][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7300.482026][ C2] kthread (kernel/kthread.c:388) [ 7300.482124][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 7300.482252][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 7300.482382][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 7300.482512][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 7328.469871][ C2] hardirqs last enabled at (6952496): irqentry_exit (kernel/entry/common.c:352) | [ 7328.470099][ C2] hardirqs last disabled at (6952497): sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043) | [ 7328.470352][ C2] softirqs last enabled at (4804798): neigh_resolve_output (net/core/neighbour.c:1539 net/core/neighbour.c:1553 net/core/neighbour.c:1543) | [ 7328.470685][ C2] softirqs last disabled at (4804802): __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:833 net/core/dev.c:4260) [ 7328.471214][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 7328.471510][ C2] Workqueue: mld mld_ifc_work [ 7328.471646][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7328.471870][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 7328.472318][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 7328.472484][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 7328.472674][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 7328.472867][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 7328.473057][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 7328.473249][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 7328.473439][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 7328.473663][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7328.473837][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 7328.474106][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 7328.474297][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 7328.474487][ C2] PKRU: 55555554 [ 7328.474584][ C2] Call Trace: [ 7328.474751][ C2] [ 7328.474821][ C2] ? watchdog_timer_fn (kernel/watchdog.c:548) [ 7328.474955][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 7328.475093][ C2] ? __pfx_watchdog_timer_fn (kernel/watchdog.c:466) [ 7328.475222][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 7328.475494][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 7328.475623][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 7328.475753][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 7328.475917][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 7328.476120][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 7328.476281][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 7328.476440][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 7328.476673][ C2] [ 7328.476739][ C2] [ 7328.476804][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 7328.476971][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7328.477103][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 7328.477336][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 7328.477467][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 7328.477595][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 7328.477693][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 7328.477897][ C2] ? eth_header (net/ethernet/eth.c:100) [ 7328.478027][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 7328.478156][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 7328.478289][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 7328.478422][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 7328.478624][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 7328.478722][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 7328.478854][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 7328.478982][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 7328.479181][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 7328.479310][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 7328.479439][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 7328.479570][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 7328.479771][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 7328.479933][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 7328.480092][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 7328.480219][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 7328.480422][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 7328.480552][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 7328.480685][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 7328.480817][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 7328.481017][ C2] process_one_work (kernel/workqueue.c:3254) [ 7328.481156][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 7328.481286][ C2] ? assign_work (kernel/workqueue.c:1209) [ 7328.481413][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 7328.481546][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 7328.481778][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7328.481907][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7328.482039][ C2] kthread (kernel/kthread.c:388) [ 7328.482138][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 7328.482340][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 7328.482471][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 7328.482599][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 7328.482732][ C2] | [ 7353.396773][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 7353.397225][ C2] rcu: 2-....: (1 GPs behind) idle=a8f4/1/0x4000000000000000 softirq=1873706/1873706 fqs=662348 | [ 7353.397515][ C2] rcu: (t=2210540 jiffies g=3277105 q=52815 ncpus=4) [ 7353.398010][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 7353.398407][ C2] Workqueue: mld mld_ifc_work [ 7353.398560][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7353.398708][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 7353.399276][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 7353.399453][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 7353.399662][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 7353.400040][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 7353.400246][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 7353.400453][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 7353.400662][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 7353.400907][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7353.401080][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 7353.401286][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 7353.401492][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 7353.401778][ C2] PKRU: 55555554 [ 7353.401881][ C2] Call Trace: [ 7353.401984][ C2] [ 7353.402059][ C2] ? rcu_dump_cpu_stacks (kernel/rcu/tree_stall.h:379) [ 7353.402202][ C2] ? print_cpu_stall (kernel/rcu/tree_stall.h:699) [ 7353.402420][ C2] ? check_cpu_stall (kernel/rcu/tree_stall.h:799 (discriminator 2)) [ 7353.402560][ C2] ? debug_object_deactivate (lib/debugobjects.c:779) [ 7353.402699][ C2] ? rcu_pending (kernel/rcu/tree.c:3941 (discriminator 31)) [ 7353.402836][ C2] ? rcu_sched_clock_irq (kernel/rcu/tree.c:2297 (discriminator 22)) [ 7353.403053][ C2] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 7353.403191][ C2] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 7353.403332][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 7353.403472][ C2] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 7353.403610][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 7353.403835][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 7353.403972][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 7353.404111][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 7353.404284][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 7353.404506][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 7353.404677][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 7353.404849][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 7353.405101][ C2] [ 7353.405172][ C2] [ 7353.405242][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 7353.405419][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7353.405557][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 7353.405810][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 7353.405951][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 7353.406088][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 7353.406193][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 7353.406414][ C2] ? eth_header (net/ethernet/eth.c:100) [ 7353.406554][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 7353.406692][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 7353.406832][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 7353.406975][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 7353.407195][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 7353.407300][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 7353.407442][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 7353.407580][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 7353.407796][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 7353.407934][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 7353.408077][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 7353.408217][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 7353.408438][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 7353.408610][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 7353.408780][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 7353.408916][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 7353.409136][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 7353.409274][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 7353.409416][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 7353.409556][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 7353.409775][ C2] process_one_work (kernel/workqueue.c:3254) [ 7353.409915][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 7353.410055][ C2] ? assign_work (kernel/workqueue.c:1209) [ 7353.410192][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 7353.410332][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 7353.410664][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7353.410802][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7353.410945][ C2] kthread (kernel/kthread.c:388) [ 7353.411053][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 7353.411269][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 7353.411409][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 7353.411545][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 7370.053788][ T18] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 2196695 jiffies s: 809 root: 0x4/. | [ 7370.054125][ T18] rcu: blocking rcu_node structures (internal RCU debug): | [ 7370.054269][ T18] Sending NMI from CPU 0 to CPUs 2: | [ 7370.054387][ C2] NMI backtrace for cpu 2 [ 7370.054397][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 7370.054401][ C2] Workqueue: mld mld_ifc_work [ 7370.054410][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7370.054417][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 7370.054420][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 7370.054422][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 7370.054425][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 7370.054426][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 7370.054428][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 7370.054429][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 7370.054431][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 7370.054433][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7370.054436][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 7370.054438][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 7370.054440][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 7370.054441][ C2] PKRU: 55555554 [ 7370.054442][ C2] Call Trace: [ 7370.054445][ C2] [ 7370.054449][ C2] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 7370.054454][ C2] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 7370.054461][ C2] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 7370.054467][ C2] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 7370.054473][ C2] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 7370.054475][ C2] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 7370.054484][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7370.054486][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7370.054489][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7370.054492][ C2] [ 7370.054493][ C2] [ 7370.054494][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 7370.054499][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 7370.054507][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 7370.054510][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 7370.054513][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 7370.054517][ C2] ? eth_header (net/ethernet/eth.c:100) [ 7370.054522][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 7370.054526][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 7370.054532][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 7370.054539][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 7370.054544][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 7370.054548][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 7370.054551][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 7370.054555][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 7370.054558][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 7370.054560][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 7370.054564][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 7370.054568][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 7370.054571][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 7370.054577][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 7370.054580][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 7370.054582][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 7370.054587][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 7370.054592][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 7370.054596][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 7370.054600][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 7370.054604][ C2] process_one_work (kernel/workqueue.c:3254) [ 7370.054611][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 7370.054616][ C2] ? assign_work (kernel/workqueue.c:1209) [ 7370.054619][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 7370.054623][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 7370.054627][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7370.054631][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7370.054633][ C2] kthread (kernel/kthread.c:388) [ 7370.054637][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 7370.054640][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 7370.054644][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 7370.054646][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 7396.469891][ C2] hardirqs last enabled at (6952496): irqentry_exit (kernel/entry/common.c:352) | [ 7396.470120][ C2] hardirqs last disabled at (6952497): sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043) | [ 7396.470446][ C2] softirqs last enabled at (4804798): neigh_resolve_output (net/core/neighbour.c:1539 net/core/neighbour.c:1553 net/core/neighbour.c:1543) | [ 7396.470719][ C2] softirqs last disabled at (4804802): __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:833 net/core/dev.c:4260) [ 7396.471239][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 7396.471604][ C2] Workqueue: mld mld_ifc_work [ 7396.471739][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7396.471874][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 7396.472402][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 7396.472567][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 7396.472835][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 7396.473026][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 7396.473220][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 7396.473411][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 7396.473604][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 7396.473826][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7396.473988][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 7396.474184][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 7396.474375][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 7396.474569][ C2] PKRU: 55555554 [ 7396.474666][ C2] Call Trace: [ 7396.474767][ C2] [ 7396.474838][ C2] ? watchdog_timer_fn (kernel/watchdog.c:548) [ 7396.474971][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 7396.475175][ C2] ? __pfx_watchdog_timer_fn (kernel/watchdog.c:466) [ 7396.475305][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 7396.475434][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 7396.475565][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 7396.475838][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 7396.476002][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 7396.476132][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 7396.476294][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 7396.476527][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 7396.476687][ C2] [ 7396.476755][ C2] [ 7396.476822][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 7396.477058][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7396.477186][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 7396.477349][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 7396.477480][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 7396.477683][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 7396.477784][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 7396.477913][ C2] ? eth_header (net/ethernet/eth.c:100) [ 7396.478047][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 7396.478178][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 7396.478380][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 7396.478514][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 7396.478646][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 7396.478745][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 7396.478945][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 7396.479075][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 7396.479206][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 7396.479336][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 7396.479539][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 7396.479671][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 7396.479801][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 7396.479963][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 7396.480194][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 7396.480323][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 7396.480459][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 7396.480590][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 7396.480800][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 7396.480929][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 7396.481059][ C2] process_one_work (kernel/workqueue.c:3254) [ 7396.481192][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 7396.481323][ C2] ? assign_work (kernel/workqueue.c:1209) [ 7396.481457][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 7396.481586][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 7396.481750][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7396.481881][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7396.482010][ C2] kthread (kernel/kthread.c:388) [ 7396.482109][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 7396.482241][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 7396.482373][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 7396.482502][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 7424.469883][ C2] hardirqs last enabled at (6952496): irqentry_exit (kernel/entry/common.c:352) | [ 7424.470182][ C2] hardirqs last disabled at (6952497): sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043) | [ 7424.470443][ C2] softirqs last enabled at (4804798): neigh_resolve_output (net/core/neighbour.c:1539 net/core/neighbour.c:1553 net/core/neighbour.c:1543) | [ 7424.470776][ C2] softirqs last disabled at (4804802): __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:833 net/core/dev.c:4260) [ 7424.471229][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 7424.471589][ C2] Workqueue: mld mld_ifc_work [ 7424.471727][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7424.471863][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 7424.472467][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 7424.472706][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 7424.472899][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 7424.473090][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 7424.473356][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 7424.473547][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 7424.473740][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 7424.474035][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7424.474200][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 7424.474391][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 7424.474658][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 7424.474848][ C2] PKRU: 55555554 [ 7424.474945][ C2] Call Trace: [ 7424.475044][ C2] [ 7424.475184][ C2] ? watchdog_timer_fn (kernel/watchdog.c:548) [ 7424.475322][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 7424.475452][ C2] ? __pfx_watchdog_timer_fn (kernel/watchdog.c:466) [ 7424.475581][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 7424.475710][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 7424.475924][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 7424.476063][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 7424.476226][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 7424.476357][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 7424.476518][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 7424.476678][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 7424.476841][ C2] [ 7424.476910][ C2] [ 7424.476975][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 7424.477138][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7424.477268][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 7424.477429][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 7424.477560][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 7424.477691][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 7424.477790][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 7424.477921][ C2] ? eth_header (net/ethernet/eth.c:100) [ 7424.478225][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 7424.478358][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 7424.478490][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 7424.478626][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 7424.478757][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 7424.478943][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 7424.479073][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 7424.479204][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 7424.479336][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 7424.479470][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 7424.479603][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 7424.479733][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 7424.479863][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 7424.480026][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 7424.480187][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 7424.480319][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 7424.480451][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 7424.480585][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 7424.480729][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 7424.480859][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 7424.480987][ C2] process_one_work (kernel/workqueue.c:3254) [ 7424.481190][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 7424.481325][ C2] ? assign_work (kernel/workqueue.c:1209) [ 7424.481454][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 7424.481584][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 7424.481902][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7424.482032][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7424.482161][ C2] kthread (kernel/kthread.c:388) [ 7424.482262][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 7424.482391][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 7424.482521][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 7424.482650][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 7424.482785][ C2] | [ 7431.415773][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 7431.416119][ C2] rcu: 2-....: (1 GPs behind) idle=a8f4/1/0x4000000000000000 softirq=1873706/1873706 fqs=695197 | [ 7431.416393][ C2] rcu: (t=2288559 jiffies g=3277105 q=54274 ncpus=4) [ 7431.416809][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 7431.417123][ C2] Workqueue: mld mld_ifc_work [ 7431.417360][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 7431.417507][ C2] Code: 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 29 f0 0f b7 c8 <39> ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 89 04 24 e8 All code ======== 0: 05 80 fa 03 7e add $0x7e03fa80,%eax 5: 36 8b 55 28 ss mov 0x28(%rbp),%edx 9: 44 39 ea cmp %r13d,%edx c: 76 15 jbe 0x23 e: 48 83 c4 10 add $0x10,%rsp 12: 5d pop %rbp 13: 41 5c pop %r12 15: 41 5d pop %r13 17: c3 ret 18: cc int3 19: cc int3 1a: cc int3 1b: cc int3 1c: 31 c0 xor %eax,%eax 1e: 45 31 ed xor %r13d,%r13d 21: eb 92 jmp 0xffffffffffffffb5 23: 89 d6 mov %edx,%esi 25: 29 f0 sub %esi,%eax 27: 0f b7 c8 movzwl %ax,%ecx 2a:* 39 ca cmp %ecx,%edx <-- trapping instruction 2c: 76 f7 jbe 0x25 2e: 48 83 c4 10 add $0x10,%rsp 32: 5d pop %rbp 33: 41 5c pop %r12 35: 41 5d pop %r13 37: c3 ret 38: cc int3 39: cc int3 3a: cc int3 3b: cc int3 3c: 89 04 24 mov %eax,(%rsp) 3f: e8 .byte 0xe8 Code starting with the faulting instruction =========================================== 0: 39 ca cmp %ecx,%edx 2: 76 f7 jbe 0xfffffffffffffffb 4: 48 83 c4 10 add $0x10,%rsp 8: 5d pop %rbp 9: 41 5c pop %r12 b: 41 5d pop %r13 d: c3 ret e: cc int3 f: cc int3 10: cc int3 11: cc int3 12: 89 04 24 mov %eax,(%rsp) 15: e8 .byte 0xe8 [ 7431.418080][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 7431.418263][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 7431.418470][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 7431.418759][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 7431.418968][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 7431.419174][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 7431.419465][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 7431.419703][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7431.419876][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 7431.420166][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 7431.420375][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 7431.420584][ C2] PKRU: 55555554 [ 7431.420768][ C2] Call Trace: [ 7431.420871][ C2] [ 7431.420948][ C2] ? rcu_dump_cpu_stacks (kernel/rcu/tree_stall.h:379) [ 7431.421090][ C2] ? print_cpu_stall (kernel/rcu/tree_stall.h:699) [ 7431.421228][ C2] ? check_cpu_stall (kernel/rcu/tree_stall.h:799 (discriminator 2)) [ 7431.421447][ C2] ? debug_object_deactivate (lib/debugobjects.c:779) [ 7431.421588][ C2] ? rcu_pending (kernel/rcu/tree.c:3941 (discriminator 31)) [ 7431.421763][ C2] ? rcu_sched_clock_irq (kernel/rcu/tree.c:2297 (discriminator 22)) [ 7431.421900][ C2] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 7431.422122][ C2] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 7431.422260][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 7431.422397][ C2] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 7431.422535][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 7431.422673][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 7431.422895][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 7431.423053][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 7431.423230][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 7431.423369][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 7431.423542][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 7431.423723][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 7431.423897][ C2] [ 7431.423967][ C2] [ 7431.424039][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 7431.424213][ C2] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 7431.424350][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 7431.424522][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 7431.424745][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 7431.424887][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 7431.425023][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 7431.425160][ C2] ? eth_header (net/ethernet/eth.c:100) [ 7431.425463][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 7431.425599][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 7431.425739][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 7431.425883][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 7431.426021][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 7431.426206][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 7431.426342][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 7431.426479][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 7431.426615][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 7431.426834][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 7431.426974][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 7431.427113][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 7431.427250][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 7431.427421][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 7431.427590][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 7431.427725][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 7431.427868][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 7431.428005][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 7431.428143][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 7431.428280][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 7431.428416][ C2] process_one_work (kernel/workqueue.c:3254) [ 7431.428635][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 7431.428776][ C2] ? assign_work (kernel/workqueue.c:1209) [ 7431.428913][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 7431.429054][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 7431.429308][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7431.429444][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7431.429580][ C2] kthread (kernel/kthread.c:388) [ 7431.429687][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 7431.429824][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 7431.430041][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 7431.430178][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 7456.469958][ C2] hardirqs last enabled at (6952496): irqentry_exit (kernel/entry/common.c:352) | [ 7456.470189][ C2] hardirqs last disabled at (6952497): sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043) | [ 7456.470462][ C2] softirqs last enabled at (4804798): neigh_resolve_output (net/core/neighbour.c:1539 net/core/neighbour.c:1553 net/core/neighbour.c:1543) | [ 7456.470719][ C2] softirqs last disabled at (4804802): __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:833 net/core/dev.c:4260) [ 7456.471245][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 7456.471535][ C2] Workqueue: mld mld_ifc_work [ 7456.471671][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7456.471881][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 7456.472335][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 7456.472501][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 7456.472692][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 7456.472886][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 7456.473078][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 7456.473269][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 7456.473464][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 7456.473689][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7456.473851][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 7456.474190][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 7456.474384][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 7456.474577][ C2] PKRU: 55555554 [ 7456.474748][ C2] Call Trace: [ 7456.474844][ C2] [ 7456.474912][ C2] ? watchdog_timer_fn (kernel/watchdog.c:548) [ 7456.475045][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 7456.475176][ C2] ? __pfx_watchdog_timer_fn (kernel/watchdog.c:466) [ 7456.475378][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 7456.475508][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 7456.475643][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 7456.475774][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 7456.476007][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 7456.476137][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 7456.476300][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 7456.476468][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 7456.476701][ C2] [ 7456.476769][ C2] [ 7456.476834][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 7456.476998][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7456.477126][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 7456.477358][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 7456.477491][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 7456.477620][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 7456.477718][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 7456.477918][ C2] ? eth_header (net/ethernet/eth.c:100) [ 7456.478051][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 7456.478180][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 7456.478322][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 7456.478526][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 7456.478664][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 7456.478762][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 7456.478891][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 7456.479019][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 7456.479222][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 7456.479352][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 7456.479482][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 7456.479613][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 7456.479812][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 7456.479973][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 7456.480132][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 7456.480267][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 7456.480479][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 7456.480608][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 7456.480739][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 7456.480868][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 7456.481068][ C2] process_one_work (kernel/workqueue.c:3254) [ 7456.481203][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 7456.481334][ C2] ? assign_work (kernel/workqueue.c:1209) [ 7456.481464][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 7456.481666][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 7456.481830][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7456.481959][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7456.482089][ C2] kthread (kernel/kthread.c:388) [ 7456.482187][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 7456.482389][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 7456.482519][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 7456.482649][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 7468.357790][ T18] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 2294999 jiffies s: 809 root: 0x4/. | [ 7468.358251][ T18] rcu: blocking rcu_node structures (internal RCU debug): | [ 7468.358381][ T18] Sending NMI from CPU 0 to CPUs 2: | [ 7468.358499][ C2] NMI backtrace for cpu 2 [ 7468.358511][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 7468.358515][ C2] Workqueue: mld mld_ifc_work [ 7468.358526][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 7468.358533][ C2] Code: 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 29 f0 0f b7 c8 <39> ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 89 04 24 e8 All code ======== 0: 05 80 fa 03 7e add $0x7e03fa80,%eax 5: 36 8b 55 28 ss mov 0x28(%rbp),%edx 9: 44 39 ea cmp %r13d,%edx c: 76 15 jbe 0x23 e: 48 83 c4 10 add $0x10,%rsp 12: 5d pop %rbp 13: 41 5c pop %r12 15: 41 5d pop %r13 17: c3 ret 18: cc int3 19: cc int3 1a: cc int3 1b: cc int3 1c: 31 c0 xor %eax,%eax 1e: 45 31 ed xor %r13d,%r13d 21: eb 92 jmp 0xffffffffffffffb5 23: 89 d6 mov %edx,%esi 25: 29 f0 sub %esi,%eax 27: 0f b7 c8 movzwl %ax,%ecx 2a:* 39 ca cmp %ecx,%edx <-- trapping instruction 2c: 76 f7 jbe 0x25 2e: 48 83 c4 10 add $0x10,%rsp 32: 5d pop %rbp 33: 41 5c pop %r12 35: 41 5d pop %r13 37: c3 ret 38: cc int3 39: cc int3 3a: cc int3 3b: cc int3 3c: 89 04 24 mov %eax,(%rsp) 3f: e8 .byte 0xe8 Code starting with the faulting instruction =========================================== 0: 39 ca cmp %ecx,%edx 2: 76 f7 jbe 0xfffffffffffffffb 4: 48 83 c4 10 add $0x10,%rsp 8: 5d pop %rbp 9: 41 5c pop %r12 b: 41 5d pop %r13 d: c3 ret e: cc int3 f: cc int3 10: cc int3 11: cc int3 12: 89 04 24 mov %eax,(%rsp) 15: e8 .byte 0xe8 [ 7468.358536][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 7468.358539][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 7468.358541][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 7468.358543][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 7468.358545][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 7468.358547][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 7468.358548][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 7468.358551][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7468.358554][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 7468.358556][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 7468.358558][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 7468.358560][ C2] PKRU: 55555554 [ 7468.358561][ C2] Call Trace: [ 7468.358565][ C2] [ 7468.358569][ C2] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 7468.358575][ C2] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 7468.358582][ C2] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 7468.358588][ C2] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 7468.358594][ C2] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 7468.358597][ C2] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 7468.358605][ C2] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 7468.358608][ C2] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 7468.358611][ C2] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 7468.358614][ C2] [ 7468.358615][ C2] [ 7468.358616][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 7468.358622][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 7468.358630][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 7468.358633][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 7468.358637][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 7468.358640][ C2] ? eth_header (net/ethernet/eth.c:100) [ 7468.358646][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 7468.358649][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 7468.358657][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 7468.358665][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 7468.358670][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 7468.358674][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 7468.358677][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 7468.358681][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 7468.358684][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 7468.358686][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 7468.358691][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 7468.358695][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 7468.358698][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 7468.358704][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 7468.358707][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 7468.358709][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 7468.358714][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 7468.358718][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 7468.358724][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 7468.358728][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 7468.358731][ C2] process_one_work (kernel/workqueue.c:3254) [ 7468.358739][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 7468.358744][ C2] ? assign_work (kernel/workqueue.c:1209) [ 7468.358748][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 7468.358752][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 7468.358756][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7468.358760][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7468.358763][ C2] kthread (kernel/kthread.c:388) [ 7468.358767][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 7468.358772][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 7468.358776][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 7468.358778][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 7492.469748][ C2] hardirqs last enabled at (6952496): irqentry_exit (kernel/entry/common.c:352) | [ 7492.469980][ C2] hardirqs last disabled at (6952497): sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043) | [ 7492.470235][ C2] softirqs last enabled at (4804798): neigh_resolve_output (net/core/neighbour.c:1539 net/core/neighbour.c:1553 net/core/neighbour.c:1543) | [ 7492.470503][ C2] softirqs last disabled at (4804802): __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:833 net/core/dev.c:4260) [ 7492.470964][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 7492.471327][ C2] Workqueue: mld mld_ifc_work [ 7492.471464][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7492.471604][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 7492.472144][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 7492.472308][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 7492.472505][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 7492.472696][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 7492.472891][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 7492.473086][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 7492.473280][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 7492.473503][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7492.473666][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 7492.473863][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 7492.474056][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 7492.474322][ C2] PKRU: 55555554 [ 7492.474420][ C2] Call Trace: [ 7492.474517][ C2] [ 7492.474585][ C2] ? watchdog_timer_fn (kernel/watchdog.c:548) [ 7492.474792][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 7492.474930][ C2] ? __pfx_watchdog_timer_fn (kernel/watchdog.c:466) [ 7492.475063][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 7492.475194][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 7492.475324][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 7492.475454][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 7492.475617][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 7492.475747][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 7492.475914][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 7492.476073][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 7492.476233][ C2] [ 7492.476300][ C2] [ 7492.476365][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 7492.476529][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7492.476658][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 7492.476824][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 7492.476958][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 7492.477163][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 7492.477263][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 7492.477395][ C2] ? eth_header (net/ethernet/eth.c:100) [ 7492.477525][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 7492.477806][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 7492.477937][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 7492.478071][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 7492.478204][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 7492.478303][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 7492.478433][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 7492.478565][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 7492.478694][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 7492.478823][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 7492.478953][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 7492.479084][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 7492.479213][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 7492.479385][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 7492.479545][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 7492.479673][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 7492.479804][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 7492.479934][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 7492.480136][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 7492.480277][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 7492.480411][ C2] process_one_work (kernel/workqueue.c:3254) [ 7492.480546][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 7492.480751][ C2] ? assign_work (kernel/workqueue.c:1209) [ 7492.480881][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 7492.481010][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 7492.481176][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7492.481376][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7492.481505][ C2] kthread (kernel/kthread.c:388) [ 7492.481604][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 7492.481735][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 7492.481865][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 7492.482064][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 7492.482200][ C2] | [ 7509.433772][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 7509.434055][ C2] rcu: 2-....: (1 GPs behind) idle=a8f4/1/0x4000000000000000 softirq=1873706/1873706 fqs=726987 | [ 7509.434418][ C2] rcu: (t=2366577 jiffies g=3277105 q=55733 ncpus=4) [ 7509.434917][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 7509.435222][ C2] Workqueue: mld mld_ifc_work [ 7509.435372][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7509.435605][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 7509.436154][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 7509.436420][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 7509.436640][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 7509.436856][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 7509.437155][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 7509.437371][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 7509.437586][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 7509.437920][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7509.438103][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 7509.438320][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 7509.438618][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 7509.438834][ C2] PKRU: 55555554 [ 7509.438942][ C2] Call Trace: [ 7509.439130][ C2] [ 7509.439206][ C2] ? rcu_dump_cpu_stacks (kernel/rcu/tree_stall.h:379) [ 7509.439355][ C2] ? print_cpu_stall (kernel/rcu/tree_stall.h:699) [ 7509.439506][ C2] ? check_cpu_stall (kernel/rcu/tree_stall.h:799 (discriminator 2)) [ 7509.439648][ C2] ? debug_object_deactivate (lib/debugobjects.c:779) [ 7509.439969][ C2] ? rcu_pending (kernel/rcu/tree.c:3941 (discriminator 31)) [ 7509.440113][ C2] ? rcu_sched_clock_irq (kernel/rcu/tree.c:2297 (discriminator 22)) [ 7509.440260][ C2] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 7509.440403][ C2] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 7509.440554][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 7509.440697][ C2] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 7509.440843][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 7509.440997][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 7509.441141][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 7509.441286][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 7509.441467][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 7509.441613][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 7509.441882][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 7509.442067][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 7509.442247][ C2] [ 7509.442320][ C2] [ 7509.442393][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 7509.442579][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7509.442723][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 7509.442906][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 7509.443056][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 7509.443202][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 7509.443312][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 7509.443456][ C2] ? eth_header (net/ethernet/eth.c:100) [ 7509.443608][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 7509.443841][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 7509.443989][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 7509.444136][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 7509.444280][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 7509.444391][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 7509.444539][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 7509.444683][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 7509.444830][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 7509.444973][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 7509.445117][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 7509.445261][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 7509.445404][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 7509.445585][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 7509.445847][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 7509.445992][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 7509.446137][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 7509.446281][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 7509.446510][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 7509.446654][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 7509.446800][ C2] process_one_work (kernel/workqueue.c:3254) [ 7509.446947][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 7509.447176][ C2] ? assign_work (kernel/workqueue.c:1209) [ 7509.447321][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 7509.447464][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 7509.447646][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7509.447881][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7509.448028][ C2] kthread (kernel/kthread.c:388) [ 7509.448137][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 7509.448279][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 7509.448424][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 7509.448571][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 7536.469820][ C2] hardirqs last enabled at (6952496): irqentry_exit (kernel/entry/common.c:352) | [ 7536.470139][ C2] hardirqs last disabled at (6952497): sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043) | [ 7536.470393][ C2] softirqs last enabled at (4804798): neigh_resolve_output (net/core/neighbour.c:1539 net/core/neighbour.c:1553 net/core/neighbour.c:1543) | [ 7536.470719][ C2] softirqs last disabled at (4804802): __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:833 net/core/dev.c:4260) [ 7536.471177][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 7536.471536][ C2] Workqueue: mld mld_ifc_work [ 7536.471676][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7536.471811][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 7536.472341][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 7536.472580][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 7536.472775][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 7536.472967][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 7536.473233][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 7536.473424][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 7536.473619][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 7536.473919][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7536.474082][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 7536.474277][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 7536.474473][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 7536.474665][ C2] PKRU: 55555554 [ 7536.474761][ C2] Call Trace: [ 7536.474859][ C2] [ 7536.474927][ C2] ? watchdog_timer_fn (kernel/watchdog.c:548) [ 7536.475060][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 7536.475193][ C2] ? __pfx_watchdog_timer_fn (kernel/watchdog.c:466) [ 7536.475326][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 7536.475456][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 7536.475585][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 7536.475716][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 7536.475879][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 7536.476082][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 7536.476249][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 7536.476409][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 7536.476569][ C2] [ 7536.476710][ C2] [ 7536.476777][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 7536.476940][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7536.477072][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 7536.477235][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 7536.477439][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 7536.477568][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 7536.477667][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 7536.477797][ C2] ? eth_header (net/ethernet/eth.c:100) [ 7536.478003][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 7536.478133][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 7536.478271][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 7536.478404][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 7536.478604][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 7536.478705][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 7536.478834][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 7536.478967][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 7536.479097][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 7536.479300][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 7536.479430][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 7536.479558][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 7536.479687][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 7536.479939][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 7536.480104][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 7536.480232][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 7536.480362][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 7536.480493][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 7536.480623][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 7536.480762][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 7536.480891][ C2] process_one_work (kernel/workqueue.c:3254) [ 7536.481027][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 7536.481158][ C2] ? assign_work (kernel/workqueue.c:1209) [ 7536.481290][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 7536.481420][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 7536.481655][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7536.481785][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7536.481914][ C2] kthread (kernel/kthread.c:388) [ 7536.482013][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 7536.482145][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 7536.482345][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 7536.482477][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 7564.470004][ C2] hardirqs last enabled at (6952496): irqentry_exit (kernel/entry/common.c:352) | [ 7564.470236][ C2] hardirqs last disabled at (6952497): sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043) | [ 7564.470490][ C2] softirqs last enabled at (4804798): neigh_resolve_output (net/core/neighbour.c:1539 net/core/neighbour.c:1553 net/core/neighbour.c:1543) | [ 7564.470748][ C2] softirqs last disabled at (4804802): __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:833 net/core/dev.c:4260) [ 7564.471276][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 7564.471566][ C2] Workqueue: mld mld_ifc_work [ 7564.471777][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7564.471916][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 7564.472448][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 7564.472614][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 7564.472806][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 7564.473071][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 7564.473265][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 7564.473459][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 7564.473723][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 7564.473946][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7564.474110][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 7564.474380][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 7564.474578][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 7564.474769][ C2] PKRU: 55555554 [ 7564.474938][ C2] Call Trace: [ 7564.475036][ C2] [ 7564.475106][ C2] ? watchdog_timer_fn (kernel/watchdog.c:548) [ 7564.475242][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 7564.475376][ C2] ? __pfx_watchdog_timer_fn (kernel/watchdog.c:466) [ 7564.475576][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 7564.475706][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 7564.475835][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 7564.475966][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 7564.476202][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 7564.476336][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 7564.476501][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 7564.476669][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 7564.476992][ C2] [ 7564.477058][ C2] [ 7564.477124][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 7564.477292][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7564.477422][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 7564.477585][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 7564.477719][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 7564.477849][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 7564.477947][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 7564.478080][ C2] ? eth_header (net/ethernet/eth.c:100) [ 7564.478211][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 7564.478340][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 7564.478471][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 7564.478604][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 7564.478738][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 7564.478837][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 7564.478972][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 7564.479102][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 7564.479302][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 7564.479433][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 7564.479563][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 7564.479693][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 7564.479915][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 7564.480080][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 7564.480240][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 7564.480369][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 7564.480500][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 7564.480629][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 7564.480763][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 7564.480893][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 7564.481023][ C2] process_one_work (kernel/workqueue.c:3254) [ 7564.481158][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 7564.481289][ C2] ? assign_work (kernel/workqueue.c:1209) [ 7564.481419][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 7564.481551][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 7564.481711][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7564.481841][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7564.481970][ C2] kthread (kernel/kthread.c:388) [ 7564.482141][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 7564.482270][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 7564.482403][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 7564.482531][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 7566.661801][ T18] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 2393303 jiffies s: 809 root: 0x4/. | [ 7566.662211][ T18] rcu: blocking rcu_node structures (internal RCU debug): | [ 7566.662364][ T18] Sending NMI from CPU 0 to CPUs 2: | [ 7566.662497][ C2] NMI backtrace for cpu 2 [ 7566.662506][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 7566.662509][ C2] Workqueue: mld mld_ifc_work [ 7566.662515][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7566.662521][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 7566.662524][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 7566.662527][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 7566.662528][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 7566.662530][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 7566.662532][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 7566.662534][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 7566.662535][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 7566.662537][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7566.662540][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 7566.662542][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 7566.662543][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 7566.662545][ C2] PKRU: 55555554 [ 7566.662546][ C2] Call Trace: [ 7566.662549][ C2] [ 7566.662553][ C2] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 7566.662557][ C2] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 7566.662563][ C2] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 7566.662568][ C2] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 7566.662573][ C2] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 7566.662575][ C2] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 7566.662581][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7566.662584][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7566.662587][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7566.662589][ C2] [ 7566.662590][ C2] [ 7566.662591][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 7566.662596][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 7566.662602][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 7566.662605][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 7566.662609][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 7566.662612][ C2] ? eth_header (net/ethernet/eth.c:100) [ 7566.662619][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 7566.662622][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 7566.662628][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 7566.662634][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 7566.662638][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 7566.662642][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 7566.662645][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 7566.662649][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 7566.662652][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 7566.662654][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 7566.662658][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 7566.662661][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 7566.662664][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 7566.662668][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 7566.662672][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 7566.662674][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 7566.662678][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 7566.662682][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 7566.662687][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 7566.662691][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 7566.662694][ C2] process_one_work (kernel/workqueue.c:3254) [ 7566.662700][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 7566.662705][ C2] ? assign_work (kernel/workqueue.c:1209) [ 7566.662709][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 7566.662712][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 7566.662717][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7566.662720][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7566.662723][ C2] kthread (kernel/kthread.c:388) [ 7566.662726][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 7566.662728][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 7566.662731][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 7566.662733][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 7566.662740][ C2] | [ 7587.452773][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 7587.453150][ C2] rcu: 2-....: (1 GPs behind) idle=a8f4/1/0x4000000000000000 softirq=1873706/1873706 fqs=761217 | [ 7587.453510][ C2] rcu: (t=2444596 jiffies g=3277105 q=57192 ncpus=4) [ 7587.453923][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 7587.454326][ C2] Workqueue: mld mld_ifc_work [ 7587.454484][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7587.454630][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 7587.455216][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 7587.455393][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 7587.455602][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 7587.455808][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 7587.456013][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 7587.456218][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 7587.456426][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 7587.456748][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7587.456922][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 7587.457128][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 7587.457417][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 7587.457623][ C2] PKRU: 55555554 [ 7587.457726][ C2] Call Trace: [ 7587.457830][ C2] [ 7587.457902][ C2] ? rcu_dump_cpu_stacks (kernel/rcu/tree_stall.h:379) [ 7587.458125][ C2] ? print_cpu_stall (kernel/rcu/tree_stall.h:699) [ 7587.458267][ C2] ? check_cpu_stall (kernel/rcu/tree_stall.h:799 (discriminator 2)) [ 7587.458404][ C2] ? debug_object_deactivate (lib/debugobjects.c:779) [ 7587.458546][ C2] ? rcu_pending (kernel/rcu/tree.c:3941 (discriminator 31)) [ 7587.458765][ C2] ? rcu_sched_clock_irq (kernel/rcu/tree.c:2297 (discriminator 22)) [ 7587.458903][ C2] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 7587.459044][ C2] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 7587.459188][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 7587.459405][ C2] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 7587.459544][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 7587.459682][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 7587.459829][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 7587.459973][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 7587.460231][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 7587.460369][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 7587.460541][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 7587.460791][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 7587.460964][ C2] [ 7587.461034][ C2] [ 7587.461104][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 7587.461282][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7587.461505][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 7587.461677][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 7587.461819][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 7587.461956][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 7587.462142][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 7587.462283][ C2] ? eth_header (net/ethernet/eth.c:100) [ 7587.462421][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 7587.462559][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 7587.462783][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 7587.462924][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 7587.463062][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 7587.463171][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 7587.463311][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 7587.463528][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 7587.463665][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 7587.463802][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 7587.463940][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 7587.464162][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 7587.464303][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 7587.464476][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 7587.464647][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 7587.464867][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 7587.465006][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 7587.465148][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 7587.465289][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 7587.465428][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 7587.465565][ C2] process_one_work (kernel/workqueue.c:3254) [ 7587.465706][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 7587.465846][ C2] ? assign_work (kernel/workqueue.c:1209) [ 7587.466065][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 7587.466206][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 7587.466377][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7587.466517][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7587.466733][ C2] kthread (kernel/kthread.c:388) [ 7587.466838][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 7587.466975][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 7587.467115][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 7587.467251][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 7612.469845][ C2] hardirqs last enabled at (6952496): irqentry_exit (kernel/entry/common.c:352) | [ 7612.470071][ C2] hardirqs last disabled at (6952497): sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043) | [ 7612.470393][ C2] softirqs last enabled at (4804798): neigh_resolve_output (net/core/neighbour.c:1539 net/core/neighbour.c:1553 net/core/neighbour.c:1543) | [ 7612.470650][ C2] softirqs last disabled at (4804802): __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:833 net/core/dev.c:4260) [ 7612.471173][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 7612.471459][ C2] Workqueue: mld mld_ifc_work [ 7612.471596][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7612.471742][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 7612.472195][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 7612.472369][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 7612.472564][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 7612.472755][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 7612.472960][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 7612.473225][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 7612.473430][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 7612.473726][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7612.473888][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 7612.474086][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 7612.474435][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 7612.474627][ C2] PKRU: 55555554 [ 7612.474727][ C2] Call Trace: [ 7612.474824][ C2] [ 7612.474894][ C2] ? watchdog_timer_fn (kernel/watchdog.c:548) [ 7612.475098][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 7612.475227][ C2] ? __pfx_watchdog_timer_fn (kernel/watchdog.c:466) [ 7612.475354][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 7612.475484][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 7612.475683][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 7612.475814][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 7612.475979][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 7612.476108][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 7612.476340][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 7612.476499][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 7612.476661][ C2] [ 7612.476729][ C2] [ 7612.476794][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 7612.477104][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7612.477232][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 7612.477393][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 7612.477523][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 7612.477724][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 7612.477825][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 7612.477953][ C2] ? eth_header (net/ethernet/eth.c:100) [ 7612.478082][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 7612.478283][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 7612.478413][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 7612.478544][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 7612.478675][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 7612.478773][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 7612.478987][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 7612.479115][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 7612.479244][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 7612.479371][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 7612.479503][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 7612.479634][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 7612.479770][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 7612.479931][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 7612.480089][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 7612.480215][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 7612.480348][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 7612.480477][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 7612.480609][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 7612.480738][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 7612.480866][ C2] process_one_work (kernel/workqueue.c:3254) [ 7612.480997][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 7612.481199][ C2] ? assign_work (kernel/workqueue.c:1209) [ 7612.481330][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 7612.481458][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 7612.481618][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7612.481820][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7612.481948][ C2] kthread (kernel/kthread.c:388) [ 7612.482045][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 7612.482176][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 7612.482305][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 7612.482432][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 7640.469819][ C2] hardirqs last enabled at (6952496): irqentry_exit (kernel/entry/common.c:352) | [ 7640.470124][ C2] hardirqs last disabled at (6952497): sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043) | [ 7640.470381][ C2] softirqs last enabled at (4804798): neigh_resolve_output (net/core/neighbour.c:1539 net/core/neighbour.c:1553 net/core/neighbour.c:1543) | [ 7640.470635][ C2] softirqs last disabled at (4804802): __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:833 net/core/dev.c:4260) [ 7640.471166][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 7640.471453][ C2] Workqueue: mld mld_ifc_work [ 7640.471590][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7640.471801][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 7640.472252][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 7640.472414][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 7640.472606][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 7640.472796][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 7640.472988][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 7640.473177][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 7640.473368][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 7640.473662][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7640.473826][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 7640.474018][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 7640.474280][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 7640.474471][ C2] PKRU: 55555554 [ 7640.474567][ C2] Call Trace: [ 7640.474738][ C2] [ 7640.474805][ C2] ? watchdog_timer_fn (kernel/watchdog.c:548) [ 7640.474936][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 7640.475065][ C2] ? __pfx_watchdog_timer_fn (kernel/watchdog.c:466) [ 7640.475194][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 7640.475394][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 7640.475520][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 7640.475657][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 7640.475818][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 7640.476018][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 7640.476177][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 7640.476334][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 7640.476495][ C2] [ 7640.476631][ C2] [ 7640.476695][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 7640.476868][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7640.476997][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 7640.477229][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 7640.477359][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 7640.477490][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 7640.477587][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 7640.477715][ C2] ? eth_header (net/ethernet/eth.c:100) [ 7640.477934][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 7640.478064][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 7640.478194][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 7640.478326][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 7640.478455][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 7640.478559][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 7640.478687][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 7640.478814][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 7640.478941][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 7640.479072][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 7640.479203][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 7640.479330][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 7640.479458][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 7640.479622][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 7640.479780][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 7640.479908][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 7640.480038][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 7640.480241][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 7640.480371][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 7640.480499][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 7640.480626][ C2] process_one_work (kernel/workqueue.c:3254) [ 7640.480828][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 7640.480960][ C2] ? assign_work (kernel/workqueue.c:1209) [ 7640.481087][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 7640.481214][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 7640.481447][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7640.481574][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7640.481701][ C2] kthread (kernel/kthread.c:388) [ 7640.481801][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 7640.481999][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 7640.482127][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 7640.482254][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 7664.965791][ T18] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 2491607 jiffies s: 809 root: 0x4/. | [ 7664.966307][ T18] rcu: blocking rcu_node structures (internal RCU debug): | [ 7664.966436][ T18] Sending NMI from CPU 0 to CPUs 2: | [ 7664.966554][ C2] NMI backtrace for cpu 2 [ 7664.966564][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 7664.966568][ C2] Workqueue: mld mld_ifc_work [ 7664.966578][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7664.966585][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 7664.966588][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 7664.966591][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 7664.966594][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 7664.966595][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 7664.966597][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 7664.966599][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 7664.966601][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 7664.966603][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7664.966607][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 7664.966609][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 7664.966610][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 7664.966611][ C2] PKRU: 55555554 [ 7664.966613][ C2] Call Trace: [ 7664.966615][ C2] [ 7664.966620][ C2] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 7664.966625][ C2] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 7664.966632][ C2] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 7664.966638][ C2] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 7664.966644][ C2] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 7664.966647][ C2] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 7664.966655][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7664.966658][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7664.966661][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7664.966664][ C2] [ 7664.966665][ C2] [ 7664.966666][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 7664.966672][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 7664.966681][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 7664.966684][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 7664.966687][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 7664.966691][ C2] ? eth_header (net/ethernet/eth.c:100) [ 7664.966697][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 7664.966700][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 7664.966707][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 7664.966716][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 7664.966721][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 7664.966725][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 7664.966728][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 7664.966731][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 7664.966735][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 7664.966737][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 7664.966742][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 7664.966746][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 7664.966749][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 7664.966755][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 7664.966759][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 7664.966761][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 7664.966766][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 7664.966771][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 7664.966776][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 7664.966780][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 7664.966783][ C2] process_one_work (kernel/workqueue.c:3254) [ 7664.966790][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 7664.966795][ C2] ? assign_work (kernel/workqueue.c:1209) [ 7664.966798][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 7664.966801][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 7664.966806][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7664.966809][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7664.966812][ C2] kthread (kernel/kthread.c:388) [ 7664.966816][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 7664.966818][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 7664.966822][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 7664.966824][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 7664.966833][ C2] | [ 7665.470772][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 7665.471102][ C2] rcu: 2-....: (1 GPs behind) idle=a8f4/1/0x4000000000000000 softirq=1873706/1873706 fqs=793323 | [ 7665.471371][ C2] rcu: (t=2522614 jiffies g=3277105 q=58651 ncpus=4) [ 7665.471863][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 7665.472252][ C2] Workqueue: mld mld_ifc_work [ 7665.472400][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 7665.472544][ C2] Code: 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 29 f0 0f b7 c8 <39> ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 89 04 24 e8 All code ======== 0: 05 80 fa 03 7e add $0x7e03fa80,%eax 5: 36 8b 55 28 ss mov 0x28(%rbp),%edx 9: 44 39 ea cmp %r13d,%edx c: 76 15 jbe 0x23 e: 48 83 c4 10 add $0x10,%rsp 12: 5d pop %rbp 13: 41 5c pop %r12 15: 41 5d pop %r13 17: c3 ret 18: cc int3 19: cc int3 1a: cc int3 1b: cc int3 1c: 31 c0 xor %eax,%eax 1e: 45 31 ed xor %r13d,%r13d 21: eb 92 jmp 0xffffffffffffffb5 23: 89 d6 mov %edx,%esi 25: 29 f0 sub %esi,%eax 27: 0f b7 c8 movzwl %ax,%ecx 2a:* 39 ca cmp %ecx,%edx <-- trapping instruction 2c: 76 f7 jbe 0x25 2e: 48 83 c4 10 add $0x10,%rsp 32: 5d pop %rbp 33: 41 5c pop %r12 35: 41 5d pop %r13 37: c3 ret 38: cc int3 39: cc int3 3a: cc int3 3b: cc int3 3c: 89 04 24 mov %eax,(%rsp) 3f: e8 .byte 0xe8 Code starting with the faulting instruction =========================================== 0: 39 ca cmp %ecx,%edx 2: 76 f7 jbe 0xfffffffffffffffb 4: 48 83 c4 10 add $0x10,%rsp 8: 5d pop %rbp 9: 41 5c pop %r12 b: 41 5d pop %r13 d: c3 ret e: cc int3 f: cc int3 10: cc int3 11: cc int3 12: 89 04 24 mov %eax,(%rsp) 15: e8 .byte 0xe8 [ 7665.473114][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 7665.473286][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 7665.473572][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 7665.473775][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 7665.473981][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 7665.474270][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 7665.474473][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 7665.474708][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7665.474979][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 7665.475183][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 7665.475388][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 7665.475590][ C2] PKRU: 55555554 [ 7665.475692][ C2] Call Trace: [ 7665.475797][ C2] [ 7665.475868][ C2] ? rcu_dump_cpu_stacks (kernel/rcu/tree_stall.h:379) [ 7665.476009][ C2] ? print_cpu_stall (kernel/rcu/tree_stall.h:699) [ 7665.476148][ C2] ? check_cpu_stall (kernel/rcu/tree_stall.h:799 (discriminator 2)) [ 7665.476283][ C2] ? debug_object_deactivate (lib/debugobjects.c:779) [ 7665.476425][ C2] ? rcu_pending (kernel/rcu/tree.c:3941 (discriminator 31)) [ 7665.476561][ C2] ? rcu_sched_clock_irq (kernel/rcu/tree.c:2297 (discriminator 22)) [ 7665.476785][ C2] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 7665.476921][ C2] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 7665.477060][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 7665.477195][ C2] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 7665.477411][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 7665.477549][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 7665.477687][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 7665.477824][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 7665.478076][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 7665.478214][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 7665.478384][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 7665.478552][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 7665.478809][ C2] [ 7665.478878][ C2] [ 7665.478947][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 7665.479119][ C2] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 7665.479255][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 7665.479591][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 7665.479734][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 7665.479869][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 7665.479973][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 7665.480191][ C2] ? eth_header (net/ethernet/eth.c:100) [ 7665.480328][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 7665.480463][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 7665.480601][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 7665.480832][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 7665.480975][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 7665.481078][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 7665.481214][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 7665.481353][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 7665.481489][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 7665.481627][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 7665.481763][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 7665.481900][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 7665.482037][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 7665.482206][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 7665.482374][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 7665.482513][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 7665.482731][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 7665.482867][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 7665.483004][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 7665.483140][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 7665.483355][ C2] process_one_work (kernel/workqueue.c:3254) [ 7665.483496][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 7665.483633][ C2] ? assign_work (kernel/workqueue.c:1209) [ 7665.483769][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 7665.483988][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 7665.484158][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7665.484293][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7665.484431][ C2] kthread (kernel/kthread.c:388) [ 7665.484535][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 7665.484749][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 7665.484886][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 7665.485021][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 7692.469901][ C2] hardirqs last enabled at (6952496): irqentry_exit (kernel/entry/common.c:352) | [ 7692.470134][ C2] hardirqs last disabled at (6952497): sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043) | [ 7692.470461][ C2] softirqs last enabled at (4804798): neigh_resolve_output (net/core/neighbour.c:1539 net/core/neighbour.c:1553 net/core/neighbour.c:1543) | [ 7692.470715][ C2] softirqs last disabled at (4804802): __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:833 net/core/dev.c:4260) [ 7692.471238][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 7692.471595][ C2] Workqueue: mld mld_ifc_work [ 7692.471731][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7692.471865][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 7692.472395][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 7692.472558][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 7692.472749][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 7692.473037][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 7692.473227][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 7692.473421][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 7692.473610][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 7692.473834][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7692.473995][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 7692.474187][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 7692.474380][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 7692.474645][ C2] PKRU: 55555554 [ 7692.474742][ C2] Call Trace: [ 7692.474839][ C2] [ 7692.474906][ C2] ? watchdog_timer_fn (kernel/watchdog.c:548) [ 7692.475038][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 7692.475238][ C2] ? __pfx_watchdog_timer_fn (kernel/watchdog.c:466) [ 7692.475366][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 7692.475500][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 7692.475628][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 7692.475844][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 7692.476006][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 7692.476135][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 7692.476294][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 7692.476456][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 7692.476617][ C2] [ 7692.476682][ C2] [ 7692.476747][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 7692.476910][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7692.477038][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 7692.477203][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 7692.477334][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 7692.477567][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 7692.477674][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 7692.477803][ C2] ? eth_header (net/ethernet/eth.c:100) [ 7692.477933][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 7692.478061][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 7692.478265][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 7692.478396][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 7692.478526][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 7692.478624][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 7692.478755][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 7692.478971][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 7692.479102][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 7692.479229][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 7692.479363][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 7692.479491][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 7692.479621][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 7692.479781][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 7692.479946][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 7692.480072][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 7692.480202][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 7692.480331][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 7692.480461][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 7692.480589][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 7692.480720][ C2] process_one_work (kernel/workqueue.c:3254) [ 7692.480851][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 7692.480982][ C2] ? assign_work (kernel/workqueue.c:1209) [ 7692.481184][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 7692.481312][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 7692.481471][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7692.481601][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7692.481800][ C2] kthread (kernel/kthread.c:388) [ 7692.481897][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 7692.482025][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 7692.482153][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 7692.482282][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 7720.469956][ C2] hardirqs last enabled at (6952496): irqentry_exit (kernel/entry/common.c:352) | [ 7720.470265][ C2] hardirqs last disabled at (6952497): sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043) | [ 7720.470517][ C2] softirqs last enabled at (4804798): neigh_resolve_output (net/core/neighbour.c:1539 net/core/neighbour.c:1553 net/core/neighbour.c:1543) | [ 7720.470771][ C2] softirqs last disabled at (4804802): __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:833 net/core/dev.c:4260) [ 7720.471310][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 7720.471594][ C2] Workqueue: mld mld_ifc_work [ 7720.471731][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 7720.471876][ C2] Code: 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 29 f0 0f b7 c8 <39> ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 89 04 24 e8 All code ======== 0: 05 80 fa 03 7e add $0x7e03fa80,%eax 5: 36 8b 55 28 ss mov 0x28(%rbp),%edx 9: 44 39 ea cmp %r13d,%edx c: 76 15 jbe 0x23 e: 48 83 c4 10 add $0x10,%rsp 12: 5d pop %rbp 13: 41 5c pop %r12 15: 41 5d pop %r13 17: c3 ret 18: cc int3 19: cc int3 1a: cc int3 1b: cc int3 1c: 31 c0 xor %eax,%eax 1e: 45 31 ed xor %r13d,%r13d 21: eb 92 jmp 0xffffffffffffffb5 23: 89 d6 mov %edx,%esi 25: 29 f0 sub %esi,%eax 27: 0f b7 c8 movzwl %ax,%ecx 2a:* 39 ca cmp %ecx,%edx <-- trapping instruction 2c: 76 f7 jbe 0x25 2e: 48 83 c4 10 add $0x10,%rsp 32: 5d pop %rbp 33: 41 5c pop %r12 35: 41 5d pop %r13 37: c3 ret 38: cc int3 39: cc int3 3a: cc int3 3b: cc int3 3c: 89 04 24 mov %eax,(%rsp) 3f: e8 .byte 0xe8 Code starting with the faulting instruction =========================================== 0: 39 ca cmp %ecx,%edx 2: 76 f7 jbe 0xfffffffffffffffb 4: 48 83 c4 10 add $0x10,%rsp 8: 5d pop %rbp 9: 41 5c pop %r12 b: 41 5d pop %r13 d: c3 ret e: cc int3 f: cc int3 10: cc int3 11: cc int3 12: 89 04 24 mov %eax,(%rsp) 15: e8 .byte 0xe8 [ 7720.472325][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 7720.472487][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 7720.472681][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 7720.472871][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 7720.473062][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 7720.473328][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 7720.473523][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 7720.473819][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7720.473981][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 7720.474177][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 7720.474367][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 7720.474565][ C2] PKRU: 55555554 [ 7720.474661][ C2] Call Trace: [ 7720.474759][ C2] [ 7720.474827][ C2] ? watchdog_timer_fn (kernel/watchdog.c:548) [ 7720.474960][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 7720.475089][ C2] ? __pfx_watchdog_timer_fn (kernel/watchdog.c:466) [ 7720.475227][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 7720.475355][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 7720.475483][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 7720.475612][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 7720.475773][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 7720.475903][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 7720.476137][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 7720.476298][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 7720.476457][ C2] [ 7720.476521][ C2] [ 7720.476586][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 7720.476819][ C2] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 7720.476946][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 7720.477109][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 7720.477310][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 7720.477439][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 7720.477538][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 7720.477665][ C2] ? eth_header (net/ethernet/eth.c:100) [ 7720.477796][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 7720.478000][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 7720.478129][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 7720.478261][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 7720.478390][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 7720.478559][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 7720.478690][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 7720.478821][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 7720.478949][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 7720.479079][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 7720.479357][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 7720.479486][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 7720.479614][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 7720.479778][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 7720.480018][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 7720.480144][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 7720.480274][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 7720.480403][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 7720.480532][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 7720.480662][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 7720.480790][ C2] process_one_work (kernel/workqueue.c:3254) [ 7720.480921][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 7720.481053][ C2] ? assign_work (kernel/workqueue.c:1209) [ 7720.481287][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 7720.481420][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 7720.481583][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7720.481711][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7720.481838][ C2] kthread (kernel/kthread.c:388) [ 7720.481938][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 7720.482066][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 7720.482270][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 7720.482397][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 7720.482532][ C2] | [ 7743.488772][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 7743.489125][ C2] rcu: 2-....: (1 GPs behind) idle=a8f4/1/0x4000000000000000 softirq=1873706/1873706 fqs=823051 | [ 7743.489482][ C2] rcu: (t=2600632 jiffies g=3277105 q=59783 ncpus=4) [ 7743.489991][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 7743.490295][ C2] Workqueue: mld mld_ifc_work [ 7743.490442][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7743.490670][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 7743.491156][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 7743.491412][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 7743.491616][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 7743.491823][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 7743.492109][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 7743.492313][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 7743.492597][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 7743.492835][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7743.493006][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 7743.493304][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 7743.493505][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 7743.493714][ C2] PKRU: 55555554 [ 7743.493817][ C2] Call Trace: [ 7743.493998][ C2] [ 7743.494070][ C2] ? rcu_dump_cpu_stacks (kernel/rcu/tree_stall.h:379) [ 7743.494212][ C2] ? print_cpu_stall (kernel/rcu/tree_stall.h:699) [ 7743.494348][ C2] ? check_cpu_stall (kernel/rcu/tree_stall.h:799 (discriminator 2)) [ 7743.494485][ C2] ? debug_object_deactivate (lib/debugobjects.c:779) [ 7743.494707][ C2] ? rcu_pending (kernel/rcu/tree.c:3941 (discriminator 31)) [ 7743.494843][ C2] ? rcu_sched_clock_irq (kernel/rcu/tree.c:2297 (discriminator 22)) [ 7743.494979][ C2] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 7743.495114][ C2] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 7743.495335][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 7743.495469][ C2] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 7743.495606][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 7743.495747][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 7743.496045][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 7743.496183][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 7743.496357][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 7743.496494][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 7743.496748][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 7743.496918][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 7743.497090][ C2] [ 7743.497160][ C2] [ 7743.497229][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 7743.497481][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7743.497618][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 7743.497792][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 7743.498014][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 7743.498150][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 7743.498258][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 7743.498395][ C2] ? eth_header (net/ethernet/eth.c:100) [ 7743.498533][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 7743.498752][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 7743.498892][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 7743.499048][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 7743.499193][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 7743.499376][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 7743.499512][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 7743.499651][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 7743.499790][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 7743.499928][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 7743.500148][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 7743.500284][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 7743.500420][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 7743.500591][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 7743.500842][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 7743.500980][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 7743.501117][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 7743.501255][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 7743.501472][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 7743.501610][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 7743.501749][ C2] process_one_work (kernel/workqueue.c:3254) [ 7743.501889][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 7743.502109][ C2] ? assign_work (kernel/workqueue.c:1209) [ 7743.502248][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 7743.502384][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 7743.502553][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7743.502771][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7743.502907][ C2] kthread (kernel/kthread.c:388) [ 7743.503011][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 7743.503147][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 7743.503364][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 7743.503501][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 7763.269787][ T18] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 2589911 jiffies s: 809 root: 0x4/. | [ 7763.270255][ T18] rcu: blocking rcu_node structures (internal RCU debug): | [ 7763.270385][ T18] Sending NMI from CPU 0 to CPUs 2: | [ 7763.270503][ C2] NMI backtrace for cpu 2 [ 7763.270513][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 7763.270517][ C2] Workqueue: mld mld_ifc_work [ 7763.270527][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 7763.270534][ C2] Code: 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 29 f0 0f b7 c8 <39> ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 89 04 24 e8 All code ======== 0: 05 80 fa 03 7e add $0x7e03fa80,%eax 5: 36 8b 55 28 ss mov 0x28(%rbp),%edx 9: 44 39 ea cmp %r13d,%edx c: 76 15 jbe 0x23 e: 48 83 c4 10 add $0x10,%rsp 12: 5d pop %rbp 13: 41 5c pop %r12 15: 41 5d pop %r13 17: c3 ret 18: cc int3 19: cc int3 1a: cc int3 1b: cc int3 1c: 31 c0 xor %eax,%eax 1e: 45 31 ed xor %r13d,%r13d 21: eb 92 jmp 0xffffffffffffffb5 23: 89 d6 mov %edx,%esi 25: 29 f0 sub %esi,%eax 27: 0f b7 c8 movzwl %ax,%ecx 2a:* 39 ca cmp %ecx,%edx <-- trapping instruction 2c: 76 f7 jbe 0x25 2e: 48 83 c4 10 add $0x10,%rsp 32: 5d pop %rbp 33: 41 5c pop %r12 35: 41 5d pop %r13 37: c3 ret 38: cc int3 39: cc int3 3a: cc int3 3b: cc int3 3c: 89 04 24 mov %eax,(%rsp) 3f: e8 .byte 0xe8 Code starting with the faulting instruction =========================================== 0: 39 ca cmp %ecx,%edx 2: 76 f7 jbe 0xfffffffffffffffb 4: 48 83 c4 10 add $0x10,%rsp 8: 5d pop %rbp 9: 41 5c pop %r12 b: 41 5d pop %r13 d: c3 ret e: cc int3 f: cc int3 10: cc int3 11: cc int3 12: 89 04 24 mov %eax,(%rsp) 15: e8 .byte 0xe8 [ 7763.270537][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 7763.270540][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 7763.270542][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 7763.270544][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 7763.270546][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 7763.270548][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 7763.270549][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 7763.270552][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7763.270555][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 7763.270557][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 7763.270558][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 7763.270560][ C2] PKRU: 55555554 [ 7763.270561][ C2] Call Trace: [ 7763.270564][ C2] [ 7763.270569][ C2] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 7763.270574][ C2] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 7763.270581][ C2] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 7763.270587][ C2] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 7763.270594][ C2] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 7763.270596][ C2] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 7763.270604][ C2] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 7763.270607][ C2] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 7763.270610][ C2] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 7763.270613][ C2] [ 7763.270614][ C2] [ 7763.270615][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 7763.270621][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 7763.270629][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 7763.270633][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 7763.270636][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 7763.270639][ C2] ? eth_header (net/ethernet/eth.c:100) [ 7763.270646][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 7763.270649][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 7763.270656][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 7763.270664][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 7763.270669][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 7763.270674][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 7763.270677][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 7763.270681][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 7763.270684][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 7763.270686][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 7763.270691][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 7763.270695][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 7763.270697][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 7763.270703][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 7763.270706][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 7763.270708][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 7763.270714][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 7763.270718][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 7763.270723][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 7763.270727][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 7763.270730][ C2] process_one_work (kernel/workqueue.c:3254) [ 7763.270738][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 7763.270743][ C2] ? assign_work (kernel/workqueue.c:1209) [ 7763.270747][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 7763.270751][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 7763.270755][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7763.270759][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7763.270761][ C2] kthread (kernel/kthread.c:388) [ 7763.270766][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 7763.270769][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 7763.270774][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 7763.270776][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 7788.469902][ C2] hardirqs last enabled at (6952496): irqentry_exit (kernel/entry/common.c:352) | [ 7788.470129][ C2] hardirqs last disabled at (6952497): sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043) | [ 7788.470385][ C2] softirqs last enabled at (4804798): neigh_resolve_output (net/core/neighbour.c:1539 net/core/neighbour.c:1553 net/core/neighbour.c:1543) | [ 7788.470642][ C2] softirqs last disabled at (4804802): __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:833 net/core/dev.c:4260) [ 7788.471096][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 7788.471383][ C2] Workqueue: mld mld_ifc_work [ 7788.471522][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7788.471660][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 7788.472188][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 7788.472354][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 7788.472545][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 7788.472812][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 7788.473003][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 7788.473194][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 7788.473461][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 7788.473683][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7788.473848][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 7788.474115][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 7788.474309][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 7788.474500][ C2] PKRU: 55555554 [ 7788.474668][ C2] Call Trace: [ 7788.474764][ C2] [ 7788.474831][ C2] ? watchdog_timer_fn (kernel/watchdog.c:548) [ 7788.474967][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 7788.475099][ C2] ? __pfx_watchdog_timer_fn (kernel/watchdog.c:466) [ 7788.475300][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 7788.475428][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 7788.475557][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 7788.475687][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 7788.475927][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 7788.476062][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 7788.476223][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 7788.476382][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 7788.476542][ C2] [ 7788.476607][ C2] [ 7788.476673][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 7788.476837][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7788.476965][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 7788.477128][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 7788.477259][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 7788.477387][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 7788.477485][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 7788.477685][ C2] ? eth_header (net/ethernet/eth.c:100) [ 7788.477818][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 7788.477947][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 7788.478077][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 7788.478282][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 7788.478411][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 7788.478509][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 7788.478639][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 7788.478767][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 7788.478992][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 7788.479120][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 7788.479249][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 7788.479377][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 7788.479511][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 7788.479671][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 7788.479830][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 7788.479957][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 7788.480087][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 7788.480217][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 7788.480352][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 7788.480481][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 7788.480683][ C2] process_one_work (kernel/workqueue.c:3254) [ 7788.480815][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 7788.480946][ C2] ? assign_work (kernel/workqueue.c:1209) [ 7788.481074][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 7788.481277][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 7788.481436][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7788.481565][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7788.481696][ C2] kthread (kernel/kthread.c:388) [ 7788.481887][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 7788.482015][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 7788.482143][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 7788.482275][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 7816.469765][ C2] hardirqs last enabled at (6952496): irqentry_exit (kernel/entry/common.c:352) | [ 7816.469992][ C2] hardirqs last disabled at (6952497): sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043) | [ 7816.470244][ C2] softirqs last enabled at (4804798): neigh_resolve_output (net/core/neighbour.c:1539 net/core/neighbour.c:1553 net/core/neighbour.c:1543) | [ 7816.470502][ C2] softirqs last disabled at (4804802): __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:833 net/core/dev.c:4260) [ 7816.471022][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 7816.471381][ C2] Workqueue: mld mld_ifc_work [ 7816.471517][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7816.471654][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 7816.472179][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 7816.472348][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 7816.472609][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 7816.472803][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 7816.472993][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 7816.473259][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 7816.473448][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 7816.473673][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7816.473923][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 7816.474117][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 7816.474306][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 7816.474497][ C2] PKRU: 55555554 [ 7816.474593][ C2] Call Trace: [ 7816.474688][ C2] [ 7816.474756][ C2] ? watchdog_timer_fn (kernel/watchdog.c:548) [ 7816.474891][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 7816.475020][ C2] ? __pfx_watchdog_timer_fn (kernel/watchdog.c:466) [ 7816.475147][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 7816.475277][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 7816.475404][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 7816.475604][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 7816.475770][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 7816.475899][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 7816.476058][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 7816.476287][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 7816.476444][ C2] [ 7816.476509][ C2] [ 7816.476574][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 7816.476811][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7816.476938][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 7816.477101][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 7816.477230][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 7816.477361][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 7816.477458][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 7816.477589][ C2] ? eth_header (net/ethernet/eth.c:100) [ 7816.477718][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 7816.477851][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 7816.477984][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 7816.478115][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 7816.478243][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 7816.478349][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 7816.478478][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 7816.478605][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 7816.478737][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 7816.478866][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 7816.478995][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 7816.479199][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 7816.479326][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 7816.479486][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 7816.479714][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 7816.479840][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 7816.479969][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 7816.480101][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 7816.480230][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 7816.480430][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 7816.480557][ C2] process_one_work (kernel/workqueue.c:3254) [ 7816.480688][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 7816.480817][ C2] ? assign_work (kernel/workqueue.c:1209) [ 7816.481018][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 7816.481145][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 7816.481305][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7816.481432][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7816.481632][ C2] kthread (kernel/kthread.c:388) [ 7816.481729][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 7816.481857][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 7816.481987][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 7816.482184][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 7816.482316][ C2] | [ 7821.506772][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 7821.507113][ C2] rcu: 2-....: (1 GPs behind) idle=a8f4/1/0x4000000000000000 softirq=1873706/1873706 fqs=853785 | [ 7821.507482][ C2] rcu: (t=2678650 jiffies g=3277105 q=61242 ncpus=4) [ 7821.507894][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 7821.508284][ C2] Workqueue: mld mld_ifc_work [ 7821.508436][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 7821.508584][ C2] Code: 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 29 f0 0f b7 c8 <39> ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 89 04 24 e8 All code ======== 0: 05 80 fa 03 7e add $0x7e03fa80,%eax 5: 36 8b 55 28 ss mov 0x28(%rbp),%edx 9: 44 39 ea cmp %r13d,%edx c: 76 15 jbe 0x23 e: 48 83 c4 10 add $0x10,%rsp 12: 5d pop %rbp 13: 41 5c pop %r12 15: 41 5d pop %r13 17: c3 ret 18: cc int3 19: cc int3 1a: cc int3 1b: cc int3 1c: 31 c0 xor %eax,%eax 1e: 45 31 ed xor %r13d,%r13d 21: eb 92 jmp 0xffffffffffffffb5 23: 89 d6 mov %edx,%esi 25: 29 f0 sub %esi,%eax 27: 0f b7 c8 movzwl %ax,%ecx 2a:* 39 ca cmp %ecx,%edx <-- trapping instruction 2c: 76 f7 jbe 0x25 2e: 48 83 c4 10 add $0x10,%rsp 32: 5d pop %rbp 33: 41 5c pop %r12 35: 41 5d pop %r13 37: c3 ret 38: cc int3 39: cc int3 3a: cc int3 3b: cc int3 3c: 89 04 24 mov %eax,(%rsp) 3f: e8 .byte 0xe8 Code starting with the faulting instruction =========================================== 0: 39 ca cmp %ecx,%edx 2: 76 f7 jbe 0xfffffffffffffffb 4: 48 83 c4 10 add $0x10,%rsp 8: 5d pop %rbp 9: 41 5c pop %r12 b: 41 5d pop %r13 d: c3 ret e: cc int3 f: cc int3 10: cc int3 11: cc int3 12: 89 04 24 mov %eax,(%rsp) 15: e8 .byte 0xe8 [ 7821.509157][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 7821.509504][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 7821.509712][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 7821.509921][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 7821.510291][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 7821.510496][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 7821.510704][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 7821.511028][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7821.511201][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 7821.511408][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 7821.511699][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 7821.511903][ C2] PKRU: 55555554 [ 7821.512007][ C2] Call Trace: [ 7821.512110][ C2] [ 7821.512265][ C2] ? rcu_dump_cpu_stacks (kernel/rcu/tree_stall.h:379) [ 7821.512408][ C2] ? print_cpu_stall (kernel/rcu/tree_stall.h:699) [ 7821.512548][ C2] ? check_cpu_stall (kernel/rcu/tree_stall.h:799 (discriminator 2)) [ 7821.512684][ C2] ? debug_object_deactivate (lib/debugobjects.c:779) [ 7821.512825][ C2] ? rcu_pending (kernel/rcu/tree.c:3941 (discriminator 31)) [ 7821.513042][ C2] ? rcu_sched_clock_irq (kernel/rcu/tree.c:2297 (discriminator 22)) [ 7821.513178][ C2] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 7821.513315][ C2] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 7821.513458][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 7821.513676][ C2] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 7821.513814][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 7821.513950][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 7821.514087][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 7821.514305][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 7821.514480][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 7821.514620][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 7821.514791][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 7821.515042][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 7821.515214][ C2] [ 7821.515284][ C2] [ 7821.515353][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 7821.515612][ C2] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 7821.515749][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 7821.515922][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 7821.516062][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 7821.516279][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 7821.516384][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 7821.516523][ C2] ? eth_header (net/ethernet/eth.c:100) [ 7821.516661][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 7821.516799][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 7821.517027][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 7821.517170][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 7821.517307][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 7821.517415][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 7821.517632][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 7821.517769][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 7821.517906][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 7821.518042][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 7821.518180][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 7821.518396][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 7821.518539][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 7821.518717][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 7821.518969][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 7821.519104][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 7821.519242][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 7821.519382][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 7821.519521][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 7821.519738][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 7821.519879][ C2] process_one_work (kernel/workqueue.c:3254) [ 7821.520026][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 7821.520164][ C2] ? assign_work (kernel/workqueue.c:1209) [ 7821.520380][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 7821.520520][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 7821.520691][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7821.520828][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7821.521128][ C2] kthread (kernel/kthread.c:388) [ 7821.521235][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 7821.521372][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 7821.521513][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 7821.521729][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 7848.469899][ C2] hardirqs last enabled at (6952496): irqentry_exit (kernel/entry/common.c:352) | [ 7848.470199][ C2] hardirqs last disabled at (6952497): sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043) | [ 7848.470453][ C2] softirqs last enabled at (4804798): neigh_resolve_output (net/core/neighbour.c:1539 net/core/neighbour.c:1553 net/core/neighbour.c:1543) | [ 7848.470786][ C2] softirqs last disabled at (4804802): __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:833 net/core/dev.c:4260) [ 7848.471240][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 7848.471532][ C2] Workqueue: mld mld_ifc_work [ 7848.471669][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7848.471808][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 7848.472264][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 7848.472428][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 7848.472621][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 7848.472815][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 7848.473083][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 7848.473276][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 7848.473468][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 7848.473763][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7848.473928][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 7848.474123][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 7848.474388][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 7848.474579][ C2] PKRU: 55555554 [ 7848.474676][ C2] Call Trace: [ 7848.474773][ C2] [ 7848.474844][ C2] ? watchdog_timer_fn (kernel/watchdog.c:548) [ 7848.475058][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 7848.475188][ C2] ? __pfx_watchdog_timer_fn (kernel/watchdog.c:466) [ 7848.475317][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 7848.475446][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 7848.475646][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 7848.475776][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 7848.475942][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 7848.476074][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 7848.476308][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 7848.476468][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 7848.476628][ C2] [ 7848.476697][ C2] [ 7848.476879][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 7848.477042][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7848.477170][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 7848.477334][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 7848.477465][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 7848.477594][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 7848.477695][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 7848.477824][ C2] ? eth_header (net/ethernet/eth.c:100) [ 7848.477956][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 7848.478085][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 7848.478216][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 7848.478350][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 7848.478482][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 7848.478658][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 7848.478789][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 7848.478919][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 7848.479048][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 7848.479248][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 7848.479379][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 7848.479516][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 7848.479647][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 7848.479916][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 7848.480076][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 7848.480204][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 7848.480336][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 7848.480465][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 7848.480596][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 7848.480728][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 7848.480858][ C2] process_one_work (kernel/workqueue.c:3254) [ 7848.480992][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 7848.481124][ C2] ? assign_work (kernel/workqueue.c:1209) [ 7848.481255][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 7848.481384][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 7848.481546][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7848.481677][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7848.481808][ C2] kthread (kernel/kthread.c:388) [ 7848.481907][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 7848.482038][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 7848.482238][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 7848.482366][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 7861.573793][ T18] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 2688215 jiffies s: 809 root: 0x4/. | [ 7861.574251][ T18] rcu: blocking rcu_node structures (internal RCU debug): | [ 7861.574386][ T18] Sending NMI from CPU 0 to CPUs 2: | [ 7861.574513][ C2] NMI backtrace for cpu 2 [ 7861.574524][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 7861.574528][ C2] Workqueue: mld mld_ifc_work [ 7861.574539][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 7861.574545][ C2] Code: 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 29 f0 0f b7 c8 <39> ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 89 04 24 e8 All code ======== 0: 05 80 fa 03 7e add $0x7e03fa80,%eax 5: 36 8b 55 28 ss mov 0x28(%rbp),%edx 9: 44 39 ea cmp %r13d,%edx c: 76 15 jbe 0x23 e: 48 83 c4 10 add $0x10,%rsp 12: 5d pop %rbp 13: 41 5c pop %r12 15: 41 5d pop %r13 17: c3 ret 18: cc int3 19: cc int3 1a: cc int3 1b: cc int3 1c: 31 c0 xor %eax,%eax 1e: 45 31 ed xor %r13d,%r13d 21: eb 92 jmp 0xffffffffffffffb5 23: 89 d6 mov %edx,%esi 25: 29 f0 sub %esi,%eax 27: 0f b7 c8 movzwl %ax,%ecx 2a:* 39 ca cmp %ecx,%edx <-- trapping instruction 2c: 76 f7 jbe 0x25 2e: 48 83 c4 10 add $0x10,%rsp 32: 5d pop %rbp 33: 41 5c pop %r12 35: 41 5d pop %r13 37: c3 ret 38: cc int3 39: cc int3 3a: cc int3 3b: cc int3 3c: 89 04 24 mov %eax,(%rsp) 3f: e8 .byte 0xe8 Code starting with the faulting instruction =========================================== 0: 39 ca cmp %ecx,%edx 2: 76 f7 jbe 0xfffffffffffffffb 4: 48 83 c4 10 add $0x10,%rsp 8: 5d pop %rbp 9: 41 5c pop %r12 b: 41 5d pop %r13 d: c3 ret e: cc int3 f: cc int3 10: cc int3 11: cc int3 12: 89 04 24 mov %eax,(%rsp) 15: e8 .byte 0xe8 [ 7861.574548][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 7861.574551][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 7861.574554][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 7861.574555][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 7861.574557][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 7861.574559][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 7861.574561][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 7861.574563][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7861.574566][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 7861.574568][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 7861.574569][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 7861.574571][ C2] PKRU: 55555554 [ 7861.574572][ C2] Call Trace: [ 7861.574576][ C2] [ 7861.574581][ C2] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 7861.574586][ C2] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 7861.574593][ C2] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 7861.574599][ C2] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 7861.574605][ C2] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 7861.574608][ C2] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 7861.574616][ C2] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 7861.574619][ C2] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 7861.574622][ C2] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 7861.574625][ C2] [ 7861.574625][ C2] [ 7861.574626][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 7861.574633][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 7861.574641][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 7861.574644][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 7861.574648][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 7861.574651][ C2] ? eth_header (net/ethernet/eth.c:100) [ 7861.574657][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 7861.574660][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 7861.574667][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 7861.574676][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 7861.574681][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 7861.574685][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 7861.574688][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 7861.574691][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 7861.574695][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 7861.574697][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 7861.574702][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 7861.574706][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 7861.574709][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 7861.574715][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 7861.574719][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 7861.574721][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 7861.574726][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 7861.574730][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 7861.574735][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 7861.574739][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 7861.574742][ C2] process_one_work (kernel/workqueue.c:3254) [ 7861.574749][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 7861.574754][ C2] ? assign_work (kernel/workqueue.c:1209) [ 7861.574757][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 7861.574761][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 7861.574765][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7861.574768][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7861.574772][ C2] kthread (kernel/kthread.c:388) [ 7861.574776][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 7861.574779][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 7861.574782][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 7861.574785][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 7888.469910][ C2] hardirqs last enabled at (6952496): irqentry_exit (kernel/entry/common.c:352) | [ 7888.470137][ C2] hardirqs last disabled at (6952497): sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043) | [ 7888.470473][ C2] softirqs last enabled at (4804798): neigh_resolve_output (net/core/neighbour.c:1539 net/core/neighbour.c:1553 net/core/neighbour.c:1543) | [ 7888.470731][ C2] softirqs last disabled at (4804802): __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:833 net/core/dev.c:4260) [ 7888.471260][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 7888.471551][ C2] Workqueue: mld mld_ifc_work [ 7888.471854][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7888.471990][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 7888.472448][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 7888.472614][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 7888.472806][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 7888.473001][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 7888.473193][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 7888.473385][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 7888.473580][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 7888.473806][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7888.473968][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 7888.474234][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 7888.474428][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 7888.474619][ C2] PKRU: 55555554 [ 7888.474790][ C2] Call Trace: [ 7888.474888][ C2] [ 7888.474955][ C2] ? watchdog_timer_fn (kernel/watchdog.c:548) [ 7888.475089][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 7888.475218][ C2] ? __pfx_watchdog_timer_fn (kernel/watchdog.c:466) [ 7888.475418][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 7888.475548][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 7888.475681][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 7888.475814][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 7888.476047][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 7888.476177][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 7888.476338][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 7888.476498][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 7888.476730][ C2] [ 7888.476798][ C2] [ 7888.476863][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 7888.477026][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7888.477226][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 7888.477388][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 7888.477522][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 7888.477650][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 7888.477748][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 7888.477985][ C2] ? eth_header (net/ethernet/eth.c:100) [ 7888.478116][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 7888.478245][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 7888.478375][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 7888.478515][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 7888.478645][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 7888.478743][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 7888.478872][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 7888.479001][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 7888.479133][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 7888.479265][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 7888.479397][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 7888.479526][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 7888.479655][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 7888.479816][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 7888.479975][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 7888.480176][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 7888.480308][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 7888.480438][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 7888.480568][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 7888.480698][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 7888.480908][ C2] process_one_work (kernel/workqueue.c:3254) [ 7888.481043][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 7888.481174][ C2] ? assign_work (kernel/workqueue.c:1209) [ 7888.481304][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 7888.481435][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 7888.481596][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7888.481726][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7888.481857][ C2] kthread (kernel/kthread.c:388) [ 7888.481956][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 7888.482084][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 7888.482214][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 7888.482342][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 7888.482547][ C2] | [ 7899.525773][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 7899.526145][ C2] rcu: 2-....: (1 GPs behind) idle=a8f4/1/0x4000000000000000 softirq=1873706/1873706 fqs=883625 | [ 7899.526422][ C2] rcu: (t=2756669 jiffies g=3277105 q=62701 ncpus=4) [ 7899.526913][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 7899.527307][ C2] Workqueue: mld mld_ifc_work [ 7899.527457][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 7899.527602][ C2] Code: 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 29 f0 0f b7 c8 <39> ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 89 04 24 e8 All code ======== 0: 05 80 fa 03 7e add $0x7e03fa80,%eax 5: 36 8b 55 28 ss mov 0x28(%rbp),%edx 9: 44 39 ea cmp %r13d,%edx c: 76 15 jbe 0x23 e: 48 83 c4 10 add $0x10,%rsp 12: 5d pop %rbp 13: 41 5c pop %r12 15: 41 5d pop %r13 17: c3 ret 18: cc int3 19: cc int3 1a: cc int3 1b: cc int3 1c: 31 c0 xor %eax,%eax 1e: 45 31 ed xor %r13d,%r13d 21: eb 92 jmp 0xffffffffffffffb5 23: 89 d6 mov %edx,%esi 25: 29 f0 sub %esi,%eax 27: 0f b7 c8 movzwl %ax,%ecx 2a:* 39 ca cmp %ecx,%edx <-- trapping instruction 2c: 76 f7 jbe 0x25 2e: 48 83 c4 10 add $0x10,%rsp 32: 5d pop %rbp 33: 41 5c pop %r12 35: 41 5d pop %r13 37: c3 ret 38: cc int3 39: cc int3 3a: cc int3 3b: cc int3 3c: 89 04 24 mov %eax,(%rsp) 3f: e8 .byte 0xe8 Code starting with the faulting instruction =========================================== 0: 39 ca cmp %ecx,%edx 2: 76 f7 jbe 0xfffffffffffffffb 4: 48 83 c4 10 add $0x10,%rsp 8: 5d pop %rbp 9: 41 5c pop %r12 b: 41 5d pop %r13 d: c3 ret e: cc int3 f: cc int3 10: cc int3 11: cc int3 12: 89 04 24 mov %eax,(%rsp) 15: e8 .byte 0xe8 [ 7899.528202][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 7899.528383][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 7899.528589][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 7899.528795][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 7899.529004][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 7899.529209][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 7899.529416][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 7899.529654][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7899.529828][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 7899.530034][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 7899.530252][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 7899.530538][ C2] PKRU: 55555554 [ 7899.530641][ C2] Call Trace: [ 7899.530747][ C2] [ 7899.530818][ C2] ? rcu_dump_cpu_stacks (kernel/rcu/tree_stall.h:379) [ 7899.531040][ C2] ? print_cpu_stall (kernel/rcu/tree_stall.h:699) [ 7899.531178][ C2] ? check_cpu_stall (kernel/rcu/tree_stall.h:799 (discriminator 2)) [ 7899.531315][ C2] ? debug_object_deactivate (lib/debugobjects.c:779) [ 7899.531453][ C2] ? rcu_pending (kernel/rcu/tree.c:3941 (discriminator 31)) [ 7899.531592][ C2] ? rcu_sched_clock_irq (kernel/rcu/tree.c:2297 (discriminator 22)) [ 7899.531812][ C2] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 7899.531964][ C2] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 7899.532105][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 7899.532242][ C2] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 7899.532460][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 7899.532598][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 7899.532740][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 7899.532879][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 7899.533132][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 7899.533271][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 7899.533445][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 7899.533616][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 7899.533871][ C2] [ 7899.533940][ C2] [ 7899.534012][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 7899.534186][ C2] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 7899.534403][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 7899.534576][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 7899.534721][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 7899.534858][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 7899.534964][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 7899.535262][ C2] ? eth_header (net/ethernet/eth.c:100) [ 7899.535403][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 7899.535540][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 7899.535681][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 7899.535921][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 7899.536060][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 7899.536164][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 7899.536308][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 7899.536445][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 7899.536583][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 7899.536723][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 7899.536862][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 7899.537001][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 7899.537137][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 7899.537308][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 7899.537478][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 7899.537695][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 7899.537836][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 7899.537974][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 7899.538113][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 7899.538252][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 7899.538485][ C2] process_one_work (kernel/workqueue.c:3254) [ 7899.538631][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 7899.538770][ C2] ? assign_work (kernel/workqueue.c:1209) [ 7899.538907][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 7899.539126][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 7899.539301][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7899.539438][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7899.539578][ C2] kthread (kernel/kthread.c:388) [ 7899.539762][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 7899.539899][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 7899.540036][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 7899.540172][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 7924.470239][ C2] hardirqs last enabled at (6952496): irqentry_exit (kernel/entry/common.c:352) | [ 7924.470470][ C2] hardirqs last disabled at (6952497): sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043) | [ 7924.470727][ C2] softirqs last enabled at (4804798): neigh_resolve_output (net/core/neighbour.c:1539 net/core/neighbour.c:1553 net/core/neighbour.c:1543) | [ 7924.470984][ C2] softirqs last disabled at (4804802): __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:833 net/core/dev.c:4260) [ 7924.471511][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 7924.471894][ C2] Workqueue: mld mld_ifc_work [ 7924.472032][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7924.472168][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 7924.472624][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 7924.472790][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 7924.472983][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 7924.473176][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 7924.473367][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 7924.473558][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 7924.473751][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 7924.473976][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7924.474283][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 7924.474479][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 7924.474670][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 7924.474954][ C2] PKRU: 55555554 [ 7924.475051][ C2] Call Trace: [ 7924.475148][ C2] [ 7924.475215][ C2] ? watchdog_timer_fn (kernel/watchdog.c:548) [ 7924.475350][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 7924.475480][ C2] ? __pfx_watchdog_timer_fn (kernel/watchdog.c:466) [ 7924.475610][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 7924.475741][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 7924.475872][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 7924.476003][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 7924.476165][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 7924.476295][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 7924.476456][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 7924.476619][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 7924.476778][ C2] [ 7924.476847][ C2] [ 7924.476912][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 7924.477147][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7924.477276][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 7924.477440][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 7924.477571][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 7924.477772][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 7924.477871][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 7924.478000][ C2] ? eth_header (net/ethernet/eth.c:100) [ 7924.478132][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 7924.478267][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 7924.478471][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 7924.478605][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 7924.478735][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 7924.478834][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 7924.479033][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 7924.479162][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 7924.479294][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 7924.479424][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 7924.479631][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 7924.479760][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 7924.479891][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 7924.480053][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 7924.480286][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 7924.480413][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 7924.480545][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 7924.480674][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 7924.480911][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 7924.481041][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 7924.481184][ C2] process_one_work (kernel/workqueue.c:3254) [ 7924.481316][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 7924.481447][ C2] ? assign_work (kernel/workqueue.c:1209) [ 7924.481576][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 7924.481705][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 7924.481868][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7924.482000][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7924.482128][ C2] kthread (kernel/kthread.c:388) [ 7924.482226][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 7924.482354][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 7924.482483][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 7924.482611][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 7952.469937][ C2] hardirqs last enabled at (6952496): irqentry_exit (kernel/entry/common.c:352) | [ 7952.470324][ C2] hardirqs last disabled at (6952497): sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043) | [ 7952.470582][ C2] softirqs last enabled at (4804798): neigh_resolve_output (net/core/neighbour.c:1539 net/core/neighbour.c:1553 net/core/neighbour.c:1543) | [ 7952.470937][ C2] softirqs last disabled at (4804802): __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:833 net/core/dev.c:4260) [ 7952.471391][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 7952.471683][ C2] Workqueue: mld mld_ifc_work [ 7952.471822][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7952.471960][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 7952.472418][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 7952.472582][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 7952.472777][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 7952.472969][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 7952.473234][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 7952.473427][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 7952.473620][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 7952.473973][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7952.474134][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 7952.474328][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 7952.474523][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 7952.474716][ C2] PKRU: 55555554 [ 7952.474813][ C2] Call Trace: [ 7952.474909][ C2] [ 7952.474977][ C2] ? watchdog_timer_fn (kernel/watchdog.c:548) [ 7952.475111][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 7952.475241][ C2] ? __pfx_watchdog_timer_fn (kernel/watchdog.c:466) [ 7952.475374][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 7952.475506][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 7952.475635][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 7952.475766][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 7952.475930][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 7952.476061][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 7952.476298][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 7952.476459][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 7952.476623][ C2] [ 7952.476689][ C2] [ 7952.476830][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 7952.476994][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7952.477124][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 7952.477287][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 7952.477419][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 7952.477547][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 7952.477646][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 7952.477777][ C2] ? eth_header (net/ethernet/eth.c:100) [ 7952.477909][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 7952.478047][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 7952.478185][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 7952.478318][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 7952.478449][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 7952.478546][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 7952.478675][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 7952.478811][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 7952.478940][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 7952.479143][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 7952.479274][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 7952.479405][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 7952.479534][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 7952.479864][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 7952.480025][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 7952.480154][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 7952.480287][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 7952.480418][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 7952.480548][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 7952.480681][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 7952.480810][ C2] process_one_work (kernel/workqueue.c:3254) [ 7952.480944][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 7952.481075][ C2] ? assign_work (kernel/workqueue.c:1209) [ 7952.481204][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 7952.481335][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 7952.481500][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7952.481628][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7952.481756][ C2] kthread (kernel/kthread.c:388) [ 7952.481855][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 7952.481984][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 7952.482183][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 7952.482311][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 7959.877795][ T18] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 2786519 jiffies s: 809 root: 0x4/. | [ 7959.878211][ T18] rcu: blocking rcu_node structures (internal RCU debug): | [ 7959.878343][ T18] Sending NMI from CPU 0 to CPUs 2: | [ 7959.878464][ C2] NMI backtrace for cpu 2 [ 7959.878475][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 7959.878479][ C2] Workqueue: mld mld_ifc_work [ 7959.878490][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 7959.878497][ C2] Code: 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 29 f0 0f b7 c8 <39> ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 89 04 24 e8 All code ======== 0: 05 80 fa 03 7e add $0x7e03fa80,%eax 5: 36 8b 55 28 ss mov 0x28(%rbp),%edx 9: 44 39 ea cmp %r13d,%edx c: 76 15 jbe 0x23 e: 48 83 c4 10 add $0x10,%rsp 12: 5d pop %rbp 13: 41 5c pop %r12 15: 41 5d pop %r13 17: c3 ret 18: cc int3 19: cc int3 1a: cc int3 1b: cc int3 1c: 31 c0 xor %eax,%eax 1e: 45 31 ed xor %r13d,%r13d 21: eb 92 jmp 0xffffffffffffffb5 23: 89 d6 mov %edx,%esi 25: 29 f0 sub %esi,%eax 27: 0f b7 c8 movzwl %ax,%ecx 2a:* 39 ca cmp %ecx,%edx <-- trapping instruction 2c: 76 f7 jbe 0x25 2e: 48 83 c4 10 add $0x10,%rsp 32: 5d pop %rbp 33: 41 5c pop %r12 35: 41 5d pop %r13 37: c3 ret 38: cc int3 39: cc int3 3a: cc int3 3b: cc int3 3c: 89 04 24 mov %eax,(%rsp) 3f: e8 .byte 0xe8 Code starting with the faulting instruction =========================================== 0: 39 ca cmp %ecx,%edx 2: 76 f7 jbe 0xfffffffffffffffb 4: 48 83 c4 10 add $0x10,%rsp 8: 5d pop %rbp 9: 41 5c pop %r12 b: 41 5d pop %r13 d: c3 ret e: cc int3 f: cc int3 10: cc int3 11: cc int3 12: 89 04 24 mov %eax,(%rsp) 15: e8 .byte 0xe8 [ 7959.878500][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 7959.878503][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 7959.878505][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 7959.878507][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 7959.878509][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 7959.878511][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 7959.878513][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 7959.878515][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7959.878518][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 7959.878520][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 7959.878521][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 7959.878523][ C2] PKRU: 55555554 [ 7959.878524][ C2] Call Trace: [ 7959.878527][ C2] [ 7959.878531][ C2] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 7959.878536][ C2] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 7959.878543][ C2] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 7959.878550][ C2] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 7959.878556][ C2] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 7959.878559][ C2] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 7959.878567][ C2] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 7959.878570][ C2] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 7959.878573][ C2] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 7959.878576][ C2] [ 7959.878576][ C2] [ 7959.878577][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 7959.878583][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 7959.878591][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 7959.878594][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 7959.878598][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 7959.878601][ C2] ? eth_header (net/ethernet/eth.c:100) [ 7959.878607][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 7959.878610][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 7959.878617][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 7959.878626][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 7959.878631][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 7959.878634][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 7959.878638][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 7959.878641][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 7959.878644][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 7959.878647][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 7959.878651][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 7959.878655][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 7959.878658][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 7959.878664][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 7959.878667][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 7959.878669][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 7959.878675][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 7959.878679][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 7959.878683][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 7959.878687][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 7959.878691][ C2] process_one_work (kernel/workqueue.c:3254) [ 7959.878698][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 7959.878702][ C2] ? assign_work (kernel/workqueue.c:1209) [ 7959.878706][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 7959.878709][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 7959.878714][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7959.878717][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7959.878719][ C2] kthread (kernel/kthread.c:388) [ 7959.878723][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 7959.878725][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 7959.878729][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 7959.878731][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 7959.878740][ C2] | [ 7977.543773][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 7977.544117][ C2] rcu: 2-....: (1 GPs behind) idle=a8f4/1/0x4000000000000000 softirq=1873706/1873706 fqs=911033 | [ 7977.544394][ C2] rcu: (t=2834687 jiffies g=3277105 q=64160 ncpus=4) [ 7977.544904][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 7977.545212][ C2] Workqueue: mld mld_ifc_work [ 7977.545445][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7977.545593][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 7977.546170][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 7977.546344][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 7977.546549][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 7977.546840][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 7977.547046][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 7977.547252][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 7977.547540][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 7977.547785][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7977.548045][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 7977.548256][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 7977.548460][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 7977.548751][ C2] PKRU: 55555554 [ 7977.548855][ C2] Call Trace: [ 7977.548959][ C2] [ 7977.549032][ C2] ? rcu_dump_cpu_stacks (kernel/rcu/tree_stall.h:379) [ 7977.549177][ C2] ? print_cpu_stall (kernel/rcu/tree_stall.h:699) [ 7977.549480][ C2] ? check_cpu_stall (kernel/rcu/tree_stall.h:799 (discriminator 2)) [ 7977.549618][ C2] ? debug_object_deactivate (lib/debugobjects.c:779) [ 7977.549761][ C2] ? rcu_pending (kernel/rcu/tree.c:3941 (discriminator 31)) [ 7977.549899][ C2] ? rcu_sched_clock_irq (kernel/rcu/tree.c:2297 (discriminator 22)) [ 7977.550037][ C2] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 7977.550255][ C2] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 7977.550394][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 7977.550530][ C2] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 7977.550674][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 7977.550903][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 7977.551040][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 7977.551181][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 7977.551354][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 7977.551493][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 7977.551667][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 7977.551842][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 7977.552014][ C2] [ 7977.552085][ C2] [ 7977.552155][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 7977.552329][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7977.552469][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 7977.552724][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 7977.552866][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 7977.553008][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 7977.553113][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 7977.553251][ C2] ? eth_header (net/ethernet/eth.c:100) [ 7977.553470][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 7977.553610][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 7977.553750][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 7977.553893][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 7977.554114][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 7977.554222][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 7977.554360][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 7977.554501][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 7977.554718][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 7977.554855][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 7977.554993][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 7977.555131][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 7977.555269][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 7977.555523][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 7977.555696][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 7977.555832][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 7977.556053][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 7977.556192][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 7977.556331][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 7977.556471][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 7977.556608][ C2] process_one_work (kernel/workqueue.c:3254) [ 7977.556828][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 7977.556972][ C2] ? assign_work (kernel/workqueue.c:1209) [ 7977.557110][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 7977.557248][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 7977.557503][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7977.557640][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7977.557777][ C2] kthread (kernel/kthread.c:388) [ 7977.557883][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 7977.558108][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 7977.558253][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 7977.558389][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 8004.469823][ C2] hardirqs last enabled at (6952496): irqentry_exit (kernel/entry/common.c:352) | [ 8004.470051][ C2] hardirqs last disabled at (6952497): sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043) | [ 8004.470452][ C2] softirqs last enabled at (4804798): neigh_resolve_output (net/core/neighbour.c:1539 net/core/neighbour.c:1553 net/core/neighbour.c:1543) | [ 8004.470709][ C2] softirqs last disabled at (4804802): __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:833 net/core/dev.c:4260) [ 8004.471238][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 8004.471526][ C2] Workqueue: mld mld_ifc_work [ 8004.471744][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 8004.471880][ C2] Code: 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 29 f0 0f b7 c8 <39> ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 89 04 24 e8 All code ======== 0: 05 80 fa 03 7e add $0x7e03fa80,%eax 5: 36 8b 55 28 ss mov 0x28(%rbp),%edx 9: 44 39 ea cmp %r13d,%edx c: 76 15 jbe 0x23 e: 48 83 c4 10 add $0x10,%rsp 12: 5d pop %rbp 13: 41 5c pop %r12 15: 41 5d pop %r13 17: c3 ret 18: cc int3 19: cc int3 1a: cc int3 1b: cc int3 1c: 31 c0 xor %eax,%eax 1e: 45 31 ed xor %r13d,%r13d 21: eb 92 jmp 0xffffffffffffffb5 23: 89 d6 mov %edx,%esi 25: 29 f0 sub %esi,%eax 27: 0f b7 c8 movzwl %ax,%ecx 2a:* 39 ca cmp %ecx,%edx <-- trapping instruction 2c: 76 f7 jbe 0x25 2e: 48 83 c4 10 add $0x10,%rsp 32: 5d pop %rbp 33: 41 5c pop %r12 35: 41 5d pop %r13 37: c3 ret 38: cc int3 39: cc int3 3a: cc int3 3b: cc int3 3c: 89 04 24 mov %eax,(%rsp) 3f: e8 .byte 0xe8 Code starting with the faulting instruction =========================================== 0: 39 ca cmp %ecx,%edx 2: 76 f7 jbe 0xfffffffffffffffb 4: 48 83 c4 10 add $0x10,%rsp 8: 5d pop %rbp 9: 41 5c pop %r12 b: 41 5d pop %r13 d: c3 ret e: cc int3 f: cc int3 10: cc int3 11: cc int3 12: 89 04 24 mov %eax,(%rsp) 15: e8 .byte 0xe8 [ 8004.472411][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 8004.472577][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 8004.472769][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 8004.473034][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 8004.473229][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 8004.473421][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 8004.473690][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 8004.473915][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8004.474078][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 8004.474346][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 8004.474539][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 8004.474815][ C2] PKRU: 55555554 [ 8004.474913][ C2] Call Trace: [ 8004.475010][ C2] [ 8004.475077][ C2] ? watchdog_timer_fn (kernel/watchdog.c:548) [ 8004.475211][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 8004.475347][ C2] ? __pfx_watchdog_timer_fn (kernel/watchdog.c:466) [ 8004.475476][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 8004.475605][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 8004.475734][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 8004.475864][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 8004.476027][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 8004.476160][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 8004.476323][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 8004.476483][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 8004.476643][ C2] [ 8004.476708][ C2] [ 8004.476773][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 8004.476939][ C2] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 8004.477139][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 8004.477301][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 8004.477434][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 8004.477562][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 8004.477731][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 8004.477864][ C2] ? eth_header (net/ethernet/eth.c:100) [ 8004.477998][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 8004.478126][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 8004.478258][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 8004.478464][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 8004.478594][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 8004.478694][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 8004.478826][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 8004.479026][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 8004.479155][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 8004.479285][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 8004.479415][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 8004.479614][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 8004.479748][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 8004.479911][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 8004.480071][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 8004.480342][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 8004.480474][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 8004.480603][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 8004.480737][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 8004.480938][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 8004.481067][ C2] process_one_work (kernel/workqueue.c:3254) [ 8004.481203][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 8004.481334][ C2] ? assign_work (kernel/workqueue.c:1209) [ 8004.481464][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 8004.481669][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 8004.481831][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8004.481960][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8004.482089][ C2] kthread (kernel/kthread.c:388) [ 8004.482259][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 8004.482389][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 8004.482518][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 8004.482651][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 8032.469860][ C2] hardirqs last enabled at (6952496): irqentry_exit (kernel/entry/common.c:352) | [ 8032.470090][ C2] hardirqs last disabled at (6952497): sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043) | [ 8032.470347][ C2] softirqs last enabled at (4804798): neigh_resolve_output (net/core/neighbour.c:1539 net/core/neighbour.c:1553 net/core/neighbour.c:1543) | [ 8032.470606][ C2] softirqs last disabled at (4804802): __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:833 net/core/dev.c:4260) [ 8032.471061][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 8032.471426][ C2] Workqueue: mld mld_ifc_work [ 8032.471563][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8032.471698][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 8032.472231][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 8032.472395][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 8032.472660][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 8032.472852][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 8032.473047][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 8032.473424][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 8032.473615][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 8032.473844][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8032.474081][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 8032.474279][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 8032.474473][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 8032.474738][ C2] PKRU: 55555554 [ 8032.474835][ C2] Call Trace: [ 8032.474932][ C2] [ 8032.475001][ C2] ? watchdog_timer_fn (kernel/watchdog.c:548) [ 8032.475211][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 8032.475342][ C2] ? __pfx_watchdog_timer_fn (kernel/watchdog.c:466) [ 8032.475471][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 8032.475601][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 8032.475730][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 8032.475963][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 8032.476128][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 8032.476258][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 8032.476423][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 8032.476592][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 8032.476752][ C2] [ 8032.476818][ C2] [ 8032.476883][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 8032.477050][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8032.477179][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 8032.477341][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 8032.477473][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 8032.477672][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 8032.477778][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 8032.477909][ C2] ? eth_header (net/ethernet/eth.c:100) [ 8032.478041][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 8032.478241][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 8032.478372][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 8032.478504][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 8032.478636][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 8032.478737][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 8032.478972][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 8032.479101][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 8032.479229][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 8032.479359][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 8032.479489][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 8032.479620][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 8032.479749][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 8032.479914][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 8032.480075][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 8032.480203][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 8032.480333][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 8032.480465][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 8032.480596][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 8032.480725][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 8032.480854][ C2] process_one_work (kernel/workqueue.c:3254) [ 8032.480989][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 8032.481192][ C2] ? assign_work (kernel/workqueue.c:1209) [ 8032.481324][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 8032.481453][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 8032.481615][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8032.481847][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8032.481976][ C2] kthread (kernel/kthread.c:388) [ 8032.482078][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 8032.482208][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 8032.482340][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 8032.482469][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 8032.482602][ C2] | [ 8055.561772][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 8055.562119][ C2] rcu: 2-....: (1 GPs behind) idle=a8f4/1/0x4000000000000000 softirq=1873706/1873706 fqs=940642 | [ 8055.562405][ C2] rcu: (t=2912705 jiffies g=3277105 q=65292 ncpus=4) [ 8055.562824][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 8055.563132][ C2] Workqueue: mld mld_ifc_work [ 8055.563285][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8055.563519][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 8055.564008][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 8055.564269][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 8055.564475][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 8055.564681][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 8055.565000][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 8055.565206][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 8055.565415][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 8055.565654][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8055.565830][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 8055.566037][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 8055.566246][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 8055.566452][ C2] PKRU: 55555554 [ 8055.566556][ C2] Call Trace: [ 8055.566740][ C2] [ 8055.566812][ C2] ? rcu_dump_cpu_stacks (kernel/rcu/tree_stall.h:379) [ 8055.566958][ C2] ? print_cpu_stall (kernel/rcu/tree_stall.h:699) [ 8055.567099][ C2] ? check_cpu_stall (kernel/rcu/tree_stall.h:799 (discriminator 2)) [ 8055.567236][ C2] ? debug_object_deactivate (lib/debugobjects.c:779) [ 8055.567457][ C2] ? rcu_pending (kernel/rcu/tree.c:3941 (discriminator 31)) [ 8055.567597][ C2] ? rcu_sched_clock_irq (kernel/rcu/tree.c:2297 (discriminator 22)) [ 8055.567741][ C2] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 8055.567880][ C2] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 8055.568104][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 8055.568245][ C2] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 8055.568384][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 8055.568521][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 8055.568659][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 8055.568878][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 8055.569054][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 8055.569193][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 8055.569450][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 8055.569621][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 8055.569796][ C2] [ 8055.569867][ C2] [ 8055.569936][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 8055.570193][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8055.570331][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 8055.570503][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 8055.570646][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 8055.570871][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 8055.570976][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 8055.571117][ C2] ? eth_header (net/ethernet/eth.c:100) [ 8055.571256][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 8055.571394][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 8055.571533][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 8055.571674][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 8055.571812][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 8055.571922][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 8055.572060][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 8055.572198][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 8055.572336][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 8055.572473][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 8055.572691][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 8055.572829][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 8055.572969][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 8055.573145][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 8055.573397][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 8055.573532][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 8055.573672][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 8055.573813][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 8055.574031][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 8055.574169][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 8055.574306][ C2] process_one_work (kernel/workqueue.c:3254) [ 8055.574447][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 8055.574668][ C2] ? assign_work (kernel/workqueue.c:1209) [ 8055.574806][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 8055.574946][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 8055.575117][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8055.575334][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8055.575471][ C2] kthread (kernel/kthread.c:388) [ 8055.575576][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 8055.575715][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 8055.575858][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 8055.576156][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 8058.181790][ T18] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 2884823 jiffies s: 809 root: 0x4/. | [ 8058.182191][ T18] rcu: blocking rcu_node structures (internal RCU debug): | [ 8058.182331][ T18] Sending NMI from CPU 0 to CPUs 2: | [ 8058.182517][ C2] NMI backtrace for cpu 2 [ 8058.182527][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 8058.182531][ C2] Workqueue: mld mld_ifc_work [ 8058.182542][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8058.182549][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 8058.182552][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 8058.182554][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 8058.182557][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 8058.182559][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 8058.182560][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 8058.182562][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 8058.182564][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 8058.182566][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8058.182569][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 8058.182571][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 8058.182573][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 8058.182574][ C2] PKRU: 55555554 [ 8058.182575][ C2] Call Trace: [ 8058.182578][ C2] [ 8058.182582][ C2] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 8058.182587][ C2] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 8058.182594][ C2] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 8058.182600][ C2] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 8058.182606][ C2] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 8058.182609][ C2] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 8058.182617][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8058.182620][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8058.182623][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8058.182625][ C2] [ 8058.182626][ C2] [ 8058.182627][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 8058.182633][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 8058.182641][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 8058.182644][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 8058.182647][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 8058.182651][ C2] ? eth_header (net/ethernet/eth.c:100) [ 8058.182657][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 8058.182660][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 8058.182667][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 8058.182675][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 8058.182680][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 8058.182684][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 8058.182687][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 8058.182691][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 8058.182694][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 8058.182697][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 8058.182701][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 8058.182705][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 8058.182708][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 8058.182715][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 8058.182718][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 8058.182720][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 8058.182725][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 8058.182729][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 8058.182734][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 8058.182738][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 8058.182741][ C2] process_one_work (kernel/workqueue.c:3254) [ 8058.182749][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 8058.182754][ C2] ? assign_work (kernel/workqueue.c:1209) [ 8058.182758][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 8058.182762][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 8058.182766][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8058.182771][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8058.182774][ C2] kthread (kernel/kthread.c:388) [ 8058.182778][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 8058.182781][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 8058.182785][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 8058.182788][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 8084.469839][ C2] hardirqs last enabled at (6952496): irqentry_exit (kernel/entry/common.c:352) | [ 8084.470069][ C2] hardirqs last disabled at (6952497): sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043) | [ 8084.470328][ C2] softirqs last enabled at (4804798): neigh_resolve_output (net/core/neighbour.c:1539 net/core/neighbour.c:1553 net/core/neighbour.c:1543) | [ 8084.470662][ C2] softirqs last disabled at (4804802): __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:833 net/core/dev.c:4260) [ 8084.471196][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 8084.471485][ C2] Workqueue: mld mld_ifc_work [ 8084.471624][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8084.471835][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 8084.472292][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 8084.472528][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 8084.472724][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 8084.472929][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 8084.473227][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 8084.473419][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 8084.473685][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 8084.473912][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8084.474077][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 8084.474346][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 8084.474540][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 8084.474731][ C2] PKRU: 55555554 [ 8084.474833][ C2] Call Trace: [ 8084.475005][ C2] [ 8084.475074][ C2] ? watchdog_timer_fn (kernel/watchdog.c:548) [ 8084.475208][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 8084.475339][ C2] ? __pfx_watchdog_timer_fn (kernel/watchdog.c:466) [ 8084.475469][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 8084.475669][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 8084.475798][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 8084.475935][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 8084.476099][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 8084.476302][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 8084.476465][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 8084.476627][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 8084.476980][ C2] [ 8084.477046][ C2] [ 8084.477111][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 8084.477280][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8084.477410][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 8084.477586][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 8084.477719][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 8084.477850][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 8084.477948][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 8084.478077][ C2] ? eth_header (net/ethernet/eth.c:100) [ 8084.478208][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 8084.478340][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 8084.478471][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 8084.478603][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 8084.478734][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 8084.478832][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 8084.478961][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 8084.479089][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 8084.479290][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 8084.479419][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 8084.479553][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 8084.479682][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 8084.479889][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 8084.480051][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 8084.480210][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 8084.480337][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 8084.480469][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 8084.480598][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 8084.480730][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 8084.480859][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 8084.480988][ C2] process_one_work (kernel/workqueue.c:3254) [ 8084.481121][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 8084.481254][ C2] ? assign_work (kernel/workqueue.c:1209) [ 8084.481383][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 8084.481512][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 8084.481744][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8084.481876][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8084.482004][ C2] kthread (kernel/kthread.c:388) [ 8084.482105][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 8084.482306][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 8084.482434][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 8084.482562][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 8112.469823][ C2] hardirqs last enabled at (6952496): irqentry_exit (kernel/entry/common.c:352) | [ 8112.470053][ C2] hardirqs last disabled at (6952497): sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043) | [ 8112.470315][ C2] softirqs last enabled at (4804798): neigh_resolve_output (net/core/neighbour.c:1539 net/core/neighbour.c:1553 net/core/neighbour.c:1543) | [ 8112.470571][ C2] softirqs last disabled at (4804802): __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:833 net/core/dev.c:4260) [ 8112.471027][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 8112.471317][ C2] Workqueue: mld mld_ifc_work [ 8112.471532][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8112.471669][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 8112.472202][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 8112.472365][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 8112.472560][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 8112.472899][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 8112.473090][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 8112.473282][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 8112.473548][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 8112.473775][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8112.474010][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 8112.474203][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 8112.474394][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 8112.474660][ C2] PKRU: 55555554 [ 8112.474759][ C2] Call Trace: [ 8112.474856][ C2] [ 8112.474925][ C2] ? watchdog_timer_fn (kernel/watchdog.c:548) [ 8112.475058][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 8112.475260][ C2] ? __pfx_watchdog_timer_fn (kernel/watchdog.c:466) [ 8112.475389][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 8112.475519][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 8112.475650][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 8112.475783][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 8112.476018][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 8112.476148][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 8112.476309][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 8112.476469][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 8112.476630][ C2] [ 8112.476696][ C2] [ 8112.476762][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 8112.476927][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8112.477129][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 8112.477290][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 8112.477443][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 8112.477571][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 8112.477740][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 8112.477869][ C2] ? eth_header (net/ethernet/eth.c:100) [ 8112.478000][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 8112.478132][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 8112.478336][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 8112.478468][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 8112.478598][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 8112.478696][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 8112.478825][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 8112.479024][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 8112.479153][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 8112.479288][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 8112.479417][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 8112.479616][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 8112.479744][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 8112.479905][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 8112.480064][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 8112.480267][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 8112.480397][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 8112.480529][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 8112.480661][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 8112.480884][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 8112.481014][ C2] process_one_work (kernel/workqueue.c:3254) [ 8112.481148][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 8112.481278][ C2] ? assign_work (kernel/workqueue.c:1209) [ 8112.481407][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 8112.481537][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 8112.481699][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8112.481828][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8112.481960][ C2] kthread (kernel/kthread.c:388) [ 8112.482058][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 8112.482187][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 8112.482315][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 8112.482443][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 8112.482648][ C2] | [ 8133.579772][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 8133.580133][ C2] rcu: 2-....: (1 GPs behind) idle=a8f4/1/0x4000000000000000 softirq=1873706/1873706 fqs=971199 | [ 8133.580491][ C2] rcu: (t=2990723 jiffies g=3277105 q=66751 ncpus=4) [ 8133.580906][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 8133.581300][ C2] Workqueue: mld mld_ifc_work [ 8133.581451][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8133.581597][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 8133.582187][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 8133.582361][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 8133.582570][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 8133.582776][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 8133.582984][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 8133.583195][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 8133.583403][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 8133.583723][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8133.583898][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 8133.584104][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 8133.584391][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 8133.584597][ C2] PKRU: 55555554 [ 8133.584700][ C2] Call Trace: [ 8133.584806][ C2] [ 8133.584878][ C2] ? rcu_dump_cpu_stacks (kernel/rcu/tree_stall.h:379) [ 8133.585101][ C2] ? print_cpu_stall (kernel/rcu/tree_stall.h:699) [ 8133.585239][ C2] ? check_cpu_stall (kernel/rcu/tree_stall.h:799 (discriminator 2)) [ 8133.585376][ C2] ? debug_object_deactivate (lib/debugobjects.c:779) [ 8133.585516][ C2] ? rcu_pending (kernel/rcu/tree.c:3941 (discriminator 31)) [ 8133.585742][ C2] ? rcu_sched_clock_irq (kernel/rcu/tree.c:2297 (discriminator 22)) [ 8133.585884][ C2] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 8133.586021][ C2] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 8133.586161][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 8133.586378][ C2] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 8133.586516][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 8133.586653][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 8133.586794][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 8133.586933][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 8133.587187][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 8133.587331][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 8133.587503][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 8133.587752][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 8133.587927][ C2] [ 8133.587996][ C2] [ 8133.588066][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 8133.588239][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8133.588461][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 8133.588632][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 8133.588776][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 8133.588915][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 8133.589112][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 8133.589250][ C2] ? eth_header (net/ethernet/eth.c:100) [ 8133.589389][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 8133.589525][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 8133.589748][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 8133.589891][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 8133.590029][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 8133.590134][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 8133.590271][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 8133.590567][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 8133.590703][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 8133.590841][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 8133.590981][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 8133.591201][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 8133.591338][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 8133.591509][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 8133.591678][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 8133.591917][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 8133.592056][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 8133.592194][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 8133.592335][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 8133.592474][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 8133.592611][ C2] process_one_work (kernel/workqueue.c:3254) [ 8133.592754][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 8133.592893][ C2] ? assign_work (kernel/workqueue.c:1209) [ 8133.593031][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 8133.593168][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 8133.593340][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8133.593479][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8133.593698][ C2] kthread (kernel/kthread.c:388) [ 8133.593803][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 8133.593939][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 8133.594076][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 8133.594213][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 8156.485792][ T18] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 2983127 jiffies s: 809 root: 0x4/. | [ 8156.486216][ T18] rcu: blocking rcu_node structures (internal RCU debug): | [ 8156.486349][ T18] Sending NMI from CPU 0 to CPUs 2: | [ 8156.486525][ C2] NMI backtrace for cpu 2 [ 8156.486536][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 8156.486540][ C2] Workqueue: mld mld_ifc_work [ 8156.486550][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 8156.486557][ C2] Code: 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 29 f0 0f b7 c8 <39> ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 89 04 24 e8 All code ======== 0: 05 80 fa 03 7e add $0x7e03fa80,%eax 5: 36 8b 55 28 ss mov 0x28(%rbp),%edx 9: 44 39 ea cmp %r13d,%edx c: 76 15 jbe 0x23 e: 48 83 c4 10 add $0x10,%rsp 12: 5d pop %rbp 13: 41 5c pop %r12 15: 41 5d pop %r13 17: c3 ret 18: cc int3 19: cc int3 1a: cc int3 1b: cc int3 1c: 31 c0 xor %eax,%eax 1e: 45 31 ed xor %r13d,%r13d 21: eb 92 jmp 0xffffffffffffffb5 23: 89 d6 mov %edx,%esi 25: 29 f0 sub %esi,%eax 27: 0f b7 c8 movzwl %ax,%ecx 2a:* 39 ca cmp %ecx,%edx <-- trapping instruction 2c: 76 f7 jbe 0x25 2e: 48 83 c4 10 add $0x10,%rsp 32: 5d pop %rbp 33: 41 5c pop %r12 35: 41 5d pop %r13 37: c3 ret 38: cc int3 39: cc int3 3a: cc int3 3b: cc int3 3c: 89 04 24 mov %eax,(%rsp) 3f: e8 .byte 0xe8 Code starting with the faulting instruction =========================================== 0: 39 ca cmp %ecx,%edx 2: 76 f7 jbe 0xfffffffffffffffb 4: 48 83 c4 10 add $0x10,%rsp 8: 5d pop %rbp 9: 41 5c pop %r12 b: 41 5d pop %r13 d: c3 ret e: cc int3 f: cc int3 10: cc int3 11: cc int3 12: 89 04 24 mov %eax,(%rsp) 15: e8 .byte 0xe8 [ 8156.486560][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 8156.486563][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 8156.486565][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 8156.486567][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 8156.486569][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 8156.486570][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 8156.486572][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 8156.486574][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8156.486578][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 8156.486579][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 8156.486581][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 8156.486582][ C2] PKRU: 55555554 [ 8156.486583][ C2] Call Trace: [ 8156.486586][ C2] [ 8156.486591][ C2] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 8156.486596][ C2] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 8156.486603][ C2] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 8156.486609][ C2] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 8156.486616][ C2] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 8156.486618][ C2] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 8156.486626][ C2] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 8156.486629][ C2] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 8156.486632][ C2] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 8156.486634][ C2] [ 8156.486635][ C2] [ 8156.486636][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 8156.486642][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 8156.486650][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 8156.486654][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 8156.486657][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 8156.486660][ C2] ? eth_header (net/ethernet/eth.c:100) [ 8156.486666][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 8156.486669][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 8156.486676][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 8156.486684][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 8156.486689][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 8156.486693][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 8156.486696][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 8156.486700][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 8156.486703][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 8156.486706][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 8156.486710][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 8156.486714][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 8156.486717][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 8156.486723][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 8156.486726][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 8156.486728][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 8156.486734][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 8156.486738][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 8156.486742][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 8156.486746][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 8156.486750][ C2] process_one_work (kernel/workqueue.c:3254) [ 8156.486756][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 8156.486761][ C2] ? assign_work (kernel/workqueue.c:1209) [ 8156.486765][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 8156.486768][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 8156.486774][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8156.486777][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8156.486779][ C2] kthread (kernel/kthread.c:388) [ 8156.486784][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 8156.486786][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 8156.486790][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 8156.486792][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 8184.469832][ C2] hardirqs last enabled at (6952496): irqentry_exit (kernel/entry/common.c:352) | [ 8184.470068][ C2] hardirqs last disabled at (6952497): sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043) | [ 8184.470323][ C2] softirqs last enabled at (4804798): neigh_resolve_output (net/core/neighbour.c:1539 net/core/neighbour.c:1553 net/core/neighbour.c:1543) | [ 8184.470580][ C2] softirqs last disabled at (4804802): __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:833 net/core/dev.c:4260) [ 8184.471039][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 8184.471402][ C2] Workqueue: mld mld_ifc_work [ 8184.471541][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8184.471677][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 8184.472242][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 8184.472406][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 8184.472597][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 8184.472792][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 8184.472984][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 8184.473179][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 8184.473370][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 8184.473667][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8184.473829][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 8184.474022][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 8184.474292][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 8184.474486][ C2] PKRU: 55555554 [ 8184.474583][ C2] Call Trace: [ 8184.474679][ C2] [ 8184.474838][ C2] ? watchdog_timer_fn (kernel/watchdog.c:548) [ 8184.474972][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 8184.475102][ C2] ? __pfx_watchdog_timer_fn (kernel/watchdog.c:466) [ 8184.475232][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 8184.475367][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 8184.475496][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 8184.475626][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 8184.475789][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 8184.475921][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 8184.476082][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 8184.476244][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 8184.476407][ C2] [ 8184.476473][ C2] [ 8184.476539][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 8184.476701][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8184.476830][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 8184.476994][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 8184.477208][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 8184.477338][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 8184.477441][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 8184.477571][ C2] ? eth_header (net/ethernet/eth.c:100) [ 8184.477774][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 8184.477906][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 8184.478037][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 8184.478169][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 8184.478299][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 8184.478468][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 8184.478596][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 8184.478729][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 8184.478863][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 8184.479064][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 8184.479194][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 8184.479323][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 8184.479452][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 8184.479684][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 8184.479849][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 8184.479976][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 8184.480107][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 8184.480307][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 8184.480438][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 8184.480567][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 8184.480698][ C2] process_one_work (kernel/workqueue.c:3254) [ 8184.480901][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 8184.481032][ C2] ? assign_work (kernel/workqueue.c:1209) [ 8184.481163][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 8184.481292][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 8184.481523][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8184.481654][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8184.481783][ C2] kthread (kernel/kthread.c:388) [ 8184.481880][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 8184.482016][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 8184.482216][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 8184.482346][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 8184.482481][ C2] | [ 8211.597772][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 8211.598300][ C2] rcu: 2-....: (1 GPs behind) idle=a8f4/1/0x4000000000000000 softirq=1873706/1873706 fqs=998169 | [ 8211.598576][ C2] rcu: (t=3068741 jiffies g=3277105 q=67831 ncpus=4) [ 8211.599077][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 8211.599382][ C2] Workqueue: mld mld_ifc_work [ 8211.599617][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8211.599762][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 8211.600335][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 8211.600509][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 8211.600714][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 8211.601006][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 8211.601211][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 8211.601417][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 8211.601708][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 8211.601949][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8211.602121][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 8211.602407][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 8211.602612][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 8211.602816][ C2] PKRU: 55555554 [ 8211.603372][ C2] Call Trace: [ 8211.603475][ C2] [ 8211.603548][ C2] ? rcu_dump_cpu_stacks (kernel/rcu/tree_stall.h:379) [ 8211.603691][ C2] ? print_cpu_stall (kernel/rcu/tree_stall.h:699) [ 8211.603831][ C2] ? check_cpu_stall (kernel/rcu/tree_stall.h:799 (discriminator 2)) [ 8211.604050][ C2] ? debug_object_deactivate (lib/debugobjects.c:779) [ 8211.604193][ C2] ? rcu_pending (kernel/rcu/tree.c:3941 (discriminator 31)) [ 8211.604332][ C2] ? rcu_sched_clock_irq (kernel/rcu/tree.c:2297 (discriminator 22)) [ 8211.604469][ C2] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 8211.604687][ C2] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 8211.604826][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 8211.604964][ C2] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 8211.605102][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 8211.605245][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 8211.605461][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 8211.605603][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 8211.605776][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 8211.605915][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 8211.606169][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 8211.606342][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 8211.606516][ C2] [ 8211.606587][ C2] [ 8211.606736][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 8211.606915][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8211.607052][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 8211.607227][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 8211.607449][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 8211.607586][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 8211.607690][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 8211.607831][ C2] ? eth_header (net/ethernet/eth.c:100) [ 8211.608051][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 8211.608189][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 8211.608331][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 8211.608470][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 8211.608609][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 8211.608793][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 8211.608931][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 8211.609071][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 8211.609210][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 8211.609508][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 8211.609646][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 8211.609784][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 8211.609921][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 8211.610173][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 8211.610347][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 8211.610485][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 8211.610624][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 8211.610850][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 8211.610989][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 8211.611128][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 8211.611268][ C2] process_one_work (kernel/workqueue.c:3254) [ 8211.611410][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 8211.611550][ C2] ? assign_work (kernel/workqueue.c:1209) [ 8211.611689][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 8211.611830][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 8211.612002][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8211.612147][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8211.612283][ C2] kthread (kernel/kthread.c:388) [ 8211.612388][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 8211.612525][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 8211.612744][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 8211.612882][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 8236.469967][ C2] hardirqs last enabled at (6952496): irqentry_exit (kernel/entry/common.c:352) | [ 8236.470209][ C2] hardirqs last disabled at (6952497): sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043) | [ 8236.470465][ C2] softirqs last enabled at (4804798): neigh_resolve_output (net/core/neighbour.c:1539 net/core/neighbour.c:1553 net/core/neighbour.c:1543) | [ 8236.470721][ C2] softirqs last disabled at (4804802): __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:833 net/core/dev.c:4260) [ 8236.471252][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 8236.471540][ C2] Workqueue: mld mld_ifc_work [ 8236.471678][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8236.471892][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 8236.472347][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 8236.472510][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 8236.472705][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 8236.472897][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 8236.473089][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 8236.473286][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 8236.473482][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 8236.473706][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8236.473870][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 8236.474137][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 8236.474334][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 8236.474526][ C2] PKRU: 55555554 [ 8236.474693][ C2] Call Trace: [ 8236.474790][ C2] [ 8236.474858][ C2] ? watchdog_timer_fn (kernel/watchdog.c:548) [ 8236.474991][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 8236.475122][ C2] ? __pfx_watchdog_timer_fn (kernel/watchdog.c:466) [ 8236.475395][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 8236.475527][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 8236.475656][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 8236.475786][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 8236.476019][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 8236.476149][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 8236.476313][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 8236.476473][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 8236.476706][ C2] [ 8236.476776][ C2] [ 8236.476843][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 8236.477009][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8236.477140][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 8236.477374][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 8236.477506][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 8236.477634][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 8236.477734][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 8236.477933][ C2] ? eth_header (net/ethernet/eth.c:100) [ 8236.478063][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 8236.478194][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 8236.478325][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 8236.478529][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 8236.478658][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 8236.478756][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 8236.478885][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 8236.479017][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 8236.479216][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 8236.479346][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 8236.479489][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 8236.479617][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 8236.479817][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 8236.479981][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 8236.480141][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 8236.480272][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 8236.480403][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 8236.480532][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 8236.480662][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 8236.480794][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 8236.480923][ C2] process_one_work (kernel/workqueue.c:3254) [ 8236.481055][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 8236.481187][ C2] ? assign_work (kernel/workqueue.c:1209) [ 8236.481318][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 8236.481448][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 8236.481611][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8236.481739][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8236.481867][ C2] kthread (kernel/kthread.c:388) [ 8236.481966][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 8236.482167][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 8236.482295][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 8236.482425][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 8254.789789][ T18] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 3081431 jiffies s: 809 root: 0x4/. | [ 8254.790206][ T18] rcu: blocking rcu_node structures (internal RCU debug): | [ 8254.790339][ T18] Sending NMI from CPU 0 to CPUs 2: | [ 8254.790513][ C2] NMI backtrace for cpu 2 [ 8254.790524][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 8254.790528][ C2] Workqueue: mld mld_ifc_work [ 8254.790539][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8254.790546][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 8254.790549][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 8254.790551][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 8254.790553][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 8254.790556][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 8254.790557][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 8254.790559][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 8254.790561][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 8254.790563][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8254.790566][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 8254.790568][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 8254.790569][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 8254.790571][ C2] PKRU: 55555554 [ 8254.790572][ C2] Call Trace: [ 8254.790577][ C2] [ 8254.790581][ C2] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 8254.790586][ C2] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 8254.790593][ C2] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 8254.790599][ C2] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 8254.790605][ C2] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 8254.790608][ C2] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 8254.790616][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8254.790619][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8254.790623][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8254.790625][ C2] [ 8254.790626][ C2] [ 8254.790627][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 8254.790634][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 8254.790642][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 8254.790645][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 8254.790649][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 8254.790652][ C2] ? eth_header (net/ethernet/eth.c:100) [ 8254.790658][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 8254.790661][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 8254.790668][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 8254.790677][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 8254.790682][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 8254.790685][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 8254.790688][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 8254.790692][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 8254.790696][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 8254.790699][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 8254.790703][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 8254.790707][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 8254.790710][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 8254.790716][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 8254.790719][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 8254.790721][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 8254.790726][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 8254.790730][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 8254.790734][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 8254.790738][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 8254.790742][ C2] process_one_work (kernel/workqueue.c:3254) [ 8254.790749][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 8254.790754][ C2] ? assign_work (kernel/workqueue.c:1209) [ 8254.790757][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 8254.790761][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 8254.790765][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8254.790769][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8254.790773][ C2] kthread (kernel/kthread.c:388) [ 8254.790777][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 8254.790780][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 8254.790784][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 8254.790787][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 8280.469966][ C2] hardirqs last enabled at (6952496): irqentry_exit (kernel/entry/common.c:352) | [ 8280.470202][ C2] hardirqs last disabled at (6952497): sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043) | [ 8280.470528][ C2] softirqs last enabled at (4804798): neigh_resolve_output (net/core/neighbour.c:1539 net/core/neighbour.c:1553 net/core/neighbour.c:1543) | [ 8280.470797][ C2] softirqs last disabled at (4804802): __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:833 net/core/dev.c:4260) [ 8280.471329][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 8280.471695][ C2] Workqueue: mld mld_ifc_work [ 8280.471833][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8280.471973][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 8280.472503][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 8280.472671][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 8280.472969][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 8280.473163][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 8280.473355][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 8280.473549][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 8280.473740][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 8280.473967][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8280.474131][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 8280.474328][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 8280.474521][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 8280.474713][ C2] PKRU: 55555554 [ 8280.474811][ C2] Call Trace: [ 8280.474908][ C2] [ 8280.474976][ C2] ? watchdog_timer_fn (kernel/watchdog.c:548) [ 8280.475184][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 8280.475316][ C2] ? __pfx_watchdog_timer_fn (kernel/watchdog.c:466) [ 8280.475445][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 8280.475574][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 8280.475703][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 8280.475934][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 8280.476096][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 8280.476231][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 8280.476393][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 8280.476554][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 8280.476723][ C2] [ 8280.476789][ C2] [ 8280.476854][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 8280.477022][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8280.477150][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 8280.477315][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 8280.477446][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 8280.477575][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 8280.477674][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 8280.477806][ C2] ? eth_header (net/ethernet/eth.c:100) [ 8280.477937][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 8280.478137][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 8280.478268][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 8280.478403][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 8280.478533][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 8280.478631][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 8280.478833][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 8280.478962][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 8280.479090][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 8280.479221][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 8280.479494][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 8280.479624][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 8280.479759][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 8280.479921][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 8280.480152][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 8280.480280][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 8280.480411][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 8280.480541][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 8280.480745][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 8280.480877][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 8280.481008][ C2] process_one_work (kernel/workqueue.c:3254) [ 8280.481140][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 8280.481344][ C2] ? assign_work (kernel/workqueue.c:1209) [ 8280.481473][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 8280.481605][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 8280.481765][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8280.481965][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8280.482096][ C2] kthread (kernel/kthread.c:388) [ 8280.482194][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 8280.482323][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 8280.482454][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 8280.482654][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 8280.482787][ C2] | [ 8289.616773][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 8289.617112][ C2] rcu: 2-....: (1 GPs behind) idle=a8f4/1/0x4000000000000000 softirq=1873706/1873706 fqs=1027913 | [ 8289.617484][ C2] rcu: (t=3146760 jiffies g=3277105 q=69290 ncpus=4) [ 8289.617978][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 8289.618287][ C2] Workqueue: mld mld_ifc_work [ 8289.618441][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8289.618672][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 8289.619156][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 8289.619415][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 8289.619624][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 8289.619832][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 8289.620119][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 8289.620324][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 8289.620530][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 8289.620850][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8289.621025][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 8289.621231][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 8289.621523][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 8289.621727][ C2] PKRU: 55555554 [ 8289.621830][ C2] Call Trace: [ 8289.622013][ C2] [ 8289.622086][ C2] ? rcu_dump_cpu_stacks (kernel/rcu/tree_stall.h:379) [ 8289.622231][ C2] ? print_cpu_stall (kernel/rcu/tree_stall.h:699) [ 8289.622368][ C2] ? check_cpu_stall (kernel/rcu/tree_stall.h:799 (discriminator 2)) [ 8289.622507][ C2] ? debug_object_deactivate (lib/debugobjects.c:779) [ 8289.622727][ C2] ? rcu_pending (kernel/rcu/tree.c:3941 (discriminator 31)) [ 8289.622865][ C2] ? rcu_sched_clock_irq (kernel/rcu/tree.c:2297 (discriminator 22)) [ 8289.623002][ C2] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 8289.623139][ C2] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 8289.623362][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 8289.623501][ C2] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 8289.623638][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 8289.623775][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 8289.623912][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 8289.624210][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 8289.624382][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 8289.624523][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 8289.624778][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 8289.624949][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 8289.625121][ C2] [ 8289.625193][ C2] [ 8289.625262][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 8289.625519][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8289.625656][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 8289.625827][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 8289.625973][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 8289.626190][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 8289.626295][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 8289.626435][ C2] ? eth_header (net/ethernet/eth.c:100) [ 8289.626582][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 8289.626803][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 8289.626946][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 8289.627088][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 8289.627229][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 8289.627333][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 8289.627474][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 8289.627611][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 8289.627748][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 8289.627885][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 8289.628023][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 8289.628160][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 8289.628299][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 8289.628472][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 8289.628722][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 8289.628857][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 8289.628995][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 8289.629132][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 8289.629353][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 8289.629490][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 8289.629627][ C2] process_one_work (kernel/workqueue.c:3254) [ 8289.629769][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 8289.629997][ C2] ? assign_work (kernel/workqueue.c:1209) [ 8289.630134][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 8289.630273][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 8289.630445][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8289.630661][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8289.630798][ C2] kthread (kernel/kthread.c:388) [ 8289.630905][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 8289.631042][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 8289.631182][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 8289.631398][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 8316.469887][ C2] hardirqs last enabled at (6952496): irqentry_exit (kernel/entry/common.c:352) | [ 8316.470188][ C2] hardirqs last disabled at (6952497): sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043) | [ 8316.470443][ C2] softirqs last enabled at (4804798): neigh_resolve_output (net/core/neighbour.c:1539 net/core/neighbour.c:1553 net/core/neighbour.c:1543) | [ 8316.470772][ C2] softirqs last disabled at (4804802): __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:833 net/core/dev.c:4260) [ 8316.471233][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 8316.471602][ C2] Workqueue: mld mld_ifc_work [ 8316.471742][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8316.471877][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 8316.472484][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 8316.472721][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 8316.472914][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 8316.473108][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 8316.473372][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 8316.473566][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 8316.473757][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 8316.474052][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8316.474218][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 8316.474414][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 8316.474682][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 8316.474873][ C2] PKRU: 55555554 [ 8316.474970][ C2] Call Trace: [ 8316.475067][ C2] [ 8316.475207][ C2] ? watchdog_timer_fn (kernel/watchdog.c:548) [ 8316.475345][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 8316.475475][ C2] ? __pfx_watchdog_timer_fn (kernel/watchdog.c:466) [ 8316.475604][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 8316.475812][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 8316.475941][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 8316.476072][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 8316.476236][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 8316.476371][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 8316.476547][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 8316.476707][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 8316.476866][ C2] [ 8316.476932][ C2] [ 8316.477000][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 8316.477162][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8316.477291][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 8316.477454][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 8316.477585][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 8316.477714][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 8316.477815][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 8316.477943][ C2] ? eth_header (net/ethernet/eth.c:100) [ 8316.478144][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 8316.478273][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 8316.478404][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 8316.478538][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 8316.478738][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 8316.478839][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 8316.478967][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 8316.479097][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 8316.479225][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 8316.479425][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 8316.479554][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 8316.479685][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 8316.479816][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 8316.480048][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 8316.480210][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 8316.480338][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 8316.480468][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 8316.480671][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 8316.480803][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 8316.480932][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 8316.481062][ C2] process_one_work (kernel/workqueue.c:3254) [ 8316.481267][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 8316.481398][ C2] ? assign_work (kernel/workqueue.c:1209) [ 8316.481531][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 8316.481660][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 8316.481958][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8316.482087][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8316.482215][ C2] kthread (kernel/kthread.c:388) [ 8316.482316][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 8316.482448][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 8316.482577][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 8316.482705][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 8344.469825][ C2] hardirqs last enabled at (6952496): irqentry_exit (kernel/entry/common.c:352) | [ 8344.470056][ C2] hardirqs last disabled at (6952497): sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043) | [ 8344.470315][ C2] softirqs last enabled at (4804798): neigh_resolve_output (net/core/neighbour.c:1539 net/core/neighbour.c:1553 net/core/neighbour.c:1543) | [ 8344.470648][ C2] softirqs last disabled at (4804802): __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:833 net/core/dev.c:4260) [ 8344.471171][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 8344.471463][ C2] Workqueue: mld mld_ifc_work [ 8344.471674][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 8344.471813][ C2] Code: 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 29 f0 0f b7 c8 <39> ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 89 04 24 e8 All code ======== 0: 05 80 fa 03 7e add $0x7e03fa80,%eax 5: 36 8b 55 28 ss mov 0x28(%rbp),%edx 9: 44 39 ea cmp %r13d,%edx c: 76 15 jbe 0x23 e: 48 83 c4 10 add $0x10,%rsp 12: 5d pop %rbp 13: 41 5c pop %r12 15: 41 5d pop %r13 17: c3 ret 18: cc int3 19: cc int3 1a: cc int3 1b: cc int3 1c: 31 c0 xor %eax,%eax 1e: 45 31 ed xor %r13d,%r13d 21: eb 92 jmp 0xffffffffffffffb5 23: 89 d6 mov %edx,%esi 25: 29 f0 sub %esi,%eax 27: 0f b7 c8 movzwl %ax,%ecx 2a:* 39 ca cmp %ecx,%edx <-- trapping instruction 2c: 76 f7 jbe 0x25 2e: 48 83 c4 10 add $0x10,%rsp 32: 5d pop %rbp 33: 41 5c pop %r12 35: 41 5d pop %r13 37: c3 ret 38: cc int3 39: cc int3 3a: cc int3 3b: cc int3 3c: 89 04 24 mov %eax,(%rsp) 3f: e8 .byte 0xe8 Code starting with the faulting instruction =========================================== 0: 39 ca cmp %ecx,%edx 2: 76 f7 jbe 0xfffffffffffffffb 4: 48 83 c4 10 add $0x10,%rsp 8: 5d pop %rbp 9: 41 5c pop %r12 b: 41 5d pop %r13 d: c3 ret e: cc int3 f: cc int3 10: cc int3 11: cc int3 12: 89 04 24 mov %eax,(%rsp) 15: e8 .byte 0xe8 [ 8344.472342][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 8344.472507][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 8344.472698][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 8344.472965][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 8344.473160][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 8344.473350][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 8344.473615][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 8344.473839][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8344.474006][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 8344.474273][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 8344.474464][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 8344.474655][ C2] PKRU: 55555554 [ 8344.474829][ C2] Call Trace: [ 8344.474927][ C2] [ 8344.474999][ C2] ? watchdog_timer_fn (kernel/watchdog.c:548) [ 8344.475132][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 8344.475263][ C2] ? __pfx_watchdog_timer_fn (kernel/watchdog.c:466) [ 8344.475392][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 8344.475521][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 8344.475650][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 8344.475784][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 8344.475947][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 8344.476080][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 8344.476241][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 8344.476415][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 8344.476578][ C2] [ 8344.476643][ C2] [ 8344.476708][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 8344.476872][ C2] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 8344.477001][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 8344.477237][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 8344.477368][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 8344.477499][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 8344.477597][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 8344.477896][ C2] ? eth_header (net/ethernet/eth.c:100) [ 8344.478028][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 8344.478158][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 8344.478289][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 8344.478426][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 8344.478558][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 8344.478657][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 8344.478786][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 8344.478915][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 8344.479043][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 8344.479172][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 8344.479303][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 8344.479431][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 8344.479563][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 8344.479725][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 8344.479885][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 8344.480012][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 8344.480219][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 8344.480348][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 8344.480478][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 8344.480613][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 8344.480813][ C2] process_one_work (kernel/workqueue.c:3254) [ 8344.480947][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 8344.481080][ C2] ? assign_work (kernel/workqueue.c:1209) [ 8344.481210][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 8344.481410][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 8344.481574][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8344.481703][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8344.481834][ C2] kthread (kernel/kthread.c:388) [ 8344.482009][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 8344.482138][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 8344.482268][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 8344.482397][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 8353.093806][ T18] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 3179735 jiffies s: 809 root: 0x4/. | [ 8353.094231][ T18] rcu: blocking rcu_node structures (internal RCU debug): | [ 8353.094370][ T18] Sending NMI from CPU 0 to CPUs 2: | [ 8353.094550][ C2] NMI backtrace for cpu 2 [ 8353.094561][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 8353.094565][ C2] Workqueue: mld mld_ifc_work [ 8353.094576][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8353.094583][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 8353.094586][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 8353.094589][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 8353.094591][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 8353.094593][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 8353.094595][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 8353.094596][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 8353.094598][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 8353.094600][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8353.094604][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 8353.094605][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 8353.094607][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 8353.094609][ C2] PKRU: 55555554 [ 8353.094610][ C2] Call Trace: [ 8353.094612][ C2] [ 8353.094617][ C2] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 8353.094622][ C2] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 8353.094629][ C2] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 8353.094635][ C2] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 8353.094642][ C2] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 8353.094645][ C2] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 8353.094654][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8353.094657][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8353.094659][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8353.094662][ C2] [ 8353.094663][ C2] [ 8353.094664][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 8353.094670][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 8353.094678][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 8353.094681][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 8353.094685][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 8353.094688][ C2] ? eth_header (net/ethernet/eth.c:100) [ 8353.094694][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 8353.094698][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 8353.094705][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 8353.094713][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 8353.094718][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 8353.094722][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 8353.094725][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 8353.094729][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 8353.094732][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 8353.094735][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 8353.094739][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 8353.094743][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 8353.094746][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 8353.094752][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 8353.094755][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 8353.094757][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 8353.094762][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 8353.094766][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 8353.094772][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 8353.094776][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 8353.094780][ C2] process_one_work (kernel/workqueue.c:3254) [ 8353.094787][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 8353.094792][ C2] ? assign_work (kernel/workqueue.c:1209) [ 8353.094796][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 8353.094799][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 8353.094803][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8353.094807][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8353.094809][ C2] kthread (kernel/kthread.c:388) [ 8353.094814][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 8353.094817][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 8353.094821][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 8353.094823][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 8353.094831][ C2] | [ 8367.634772][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 8367.635115][ C2] rcu: 2-....: (1 GPs behind) idle=a8f4/1/0x4000000000000000 softirq=1873706/1873706 fqs=1054377 | [ 8367.635475][ C2] rcu: (t=3224778 jiffies g=3277105 q=70749 ncpus=4) [ 8367.635890][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 8367.636294][ C2] Workqueue: mld mld_ifc_work [ 8367.636445][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8367.636591][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 8367.637177][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 8367.637354][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 8367.637561][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 8367.637766][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 8367.637973][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 8367.638260][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 8367.638469][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 8367.638788][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8367.638963][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 8367.639170][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 8367.639456][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 8367.639665][ C2] PKRU: 55555554 [ 8367.639768][ C2] Call Trace: [ 8367.639871][ C2] [ 8367.639947][ C2] ? rcu_dump_cpu_stacks (kernel/rcu/tree_stall.h:379) [ 8367.640170][ C2] ? print_cpu_stall (kernel/rcu/tree_stall.h:699) [ 8367.640308][ C2] ? check_cpu_stall (kernel/rcu/tree_stall.h:799 (discriminator 2)) [ 8367.640444][ C2] ? debug_object_deactivate (lib/debugobjects.c:779) [ 8367.640585][ C2] ? rcu_pending (kernel/rcu/tree.c:3941 (discriminator 31)) [ 8367.640802][ C2] ? rcu_sched_clock_irq (kernel/rcu/tree.c:2297 (discriminator 22)) [ 8367.640941][ C2] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 8367.641082][ C2] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 8367.641221][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 8367.641438][ C2] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 8367.641578][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 8367.641715][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 8367.641852][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 8367.641996][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 8367.642248][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 8367.642386][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 8367.642560][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 8367.642810][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 8367.642988][ C2] [ 8367.643058][ C2] [ 8367.643129][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 8367.643304][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8367.643524][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 8367.643695][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 8367.643838][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 8367.643978][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 8367.644162][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 8367.644299][ C2] ? eth_header (net/ethernet/eth.c:100) [ 8367.644438][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 8367.644577][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 8367.644801][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 8367.644945][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 8367.645083][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 8367.645187][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 8367.645324][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 8367.645462][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 8367.645599][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 8367.645738][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 8367.645881][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 8367.646022][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 8367.646164][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 8367.646339][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 8367.646509][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 8367.646725][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 8367.646869][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 8367.647009][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 8367.647148][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 8367.647366][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 8367.647503][ C2] process_one_work (kernel/workqueue.c:3254) [ 8367.647644][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 8367.647786][ C2] ? assign_work (kernel/workqueue.c:1209) [ 8367.648004][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 8367.648141][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 8367.648315][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8367.648452][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8367.648749][ C2] kthread (kernel/kthread.c:388) [ 8367.648859][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 8367.648996][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 8367.649135][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 8367.649271][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 8392.469888][ C2] hardirqs last enabled at (6952496): irqentry_exit (kernel/entry/common.c:352) | [ 8392.470119][ C2] hardirqs last disabled at (6952497): sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043) | [ 8392.470450][ C2] softirqs last enabled at (4804798): neigh_resolve_output (net/core/neighbour.c:1539 net/core/neighbour.c:1553 net/core/neighbour.c:1543) | [ 8392.470705][ C2] softirqs last disabled at (4804802): __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:833 net/core/dev.c:4260) [ 8392.471274][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 8392.471565][ C2] Workqueue: mld mld_ifc_work [ 8392.471702][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8392.471839][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 8392.472295][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 8392.472462][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 8392.472654][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 8392.472849][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 8392.473041][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 8392.473306][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 8392.473498][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 8392.473805][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8392.473968][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 8392.474162][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 8392.474355][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 8392.474549][ C2] PKRU: 55555554 [ 8392.474649][ C2] Call Trace: [ 8392.474747][ C2] [ 8392.474815][ C2] ? watchdog_timer_fn (kernel/watchdog.c:548) [ 8392.474949][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 8392.475080][ C2] ? __pfx_watchdog_timer_fn (kernel/watchdog.c:466) [ 8392.475209][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 8392.475339][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 8392.475479][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 8392.475610][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 8392.475773][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 8392.475903][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 8392.476143][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 8392.476308][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 8392.476468][ C2] [ 8392.476534][ C2] [ 8392.476602][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 8392.476837][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8392.476965][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 8392.477127][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 8392.477261][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 8392.477461][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 8392.477560][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 8392.477689][ C2] ? eth_header (net/ethernet/eth.c:100) [ 8392.477821][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 8392.478093][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 8392.478227][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 8392.478359][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 8392.478488][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 8392.478586][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 8392.478786][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 8392.478914][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 8392.479043][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 8392.479177][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 8392.479380][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 8392.479508][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 8392.479637][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 8392.479798][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 8392.480029][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 8392.480158][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 8392.480290][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 8392.480420][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 8392.480620][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 8392.480751][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 8392.480879][ C2] process_one_work (kernel/workqueue.c:3254) [ 8392.481014][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 8392.481217][ C2] ? assign_work (kernel/workqueue.c:1209) [ 8392.481347][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 8392.481476][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 8392.481639][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8392.481857][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8392.481989][ C2] kthread (kernel/kthread.c:388) [ 8392.482088][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 8392.482216][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 8392.482346][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 8392.482474][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 8420.469815][ C2] hardirqs last enabled at (6952496): irqentry_exit (kernel/entry/common.c:352) | [ 8420.470050][ C2] hardirqs last disabled at (6952497): sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043) | [ 8420.470306][ C2] softirqs last enabled at (4804798): neigh_resolve_output (net/core/neighbour.c:1539 net/core/neighbour.c:1553 net/core/neighbour.c:1543) | [ 8420.470638][ C2] softirqs last disabled at (4804802): __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:833 net/core/dev.c:4260) [ 8420.471165][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 8420.471455][ C2] Workqueue: mld mld_ifc_work [ 8420.471594][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8420.471817][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 8420.472275][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 8420.472441][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 8420.472633][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 8420.472829][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 8420.473023][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 8420.473217][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 8420.473412][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 8420.473640][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8420.473887][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 8420.474092][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 8420.474433][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 8420.474631][ C2] PKRU: 55555554 [ 8420.474729][ C2] Call Trace: [ 8420.474897][ C2] [ 8420.474965][ C2] ? watchdog_timer_fn (kernel/watchdog.c:548) [ 8420.475098][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 8420.475229][ C2] ? __pfx_watchdog_timer_fn (kernel/watchdog.c:466) [ 8420.475358][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 8420.475562][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 8420.475694][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 8420.475825][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 8420.475995][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 8420.476199][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 8420.476361][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 8420.476524][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 8420.476684][ C2] [ 8420.476829][ C2] [ 8420.476895][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 8420.477060][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8420.477189][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 8420.477354][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 8420.477485][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 8420.477614][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 8420.477715][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 8420.477844][ C2] ? eth_header (net/ethernet/eth.c:100) [ 8420.477977][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 8420.478108][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 8420.478239][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 8420.478370][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 8420.478501][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 8420.478599][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 8420.478727][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 8420.478856][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 8420.478989][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 8420.479187][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 8420.479316][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 8420.479445][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 8420.479574][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 8420.479807][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 8420.479969][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 8420.480099][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 8420.480231][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 8420.480432][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 8420.480562][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 8420.480692][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 8420.480823][ C2] process_one_work (kernel/workqueue.c:3254) [ 8420.481026][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 8420.481156][ C2] ? assign_work (kernel/workqueue.c:1209) [ 8420.481285][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 8420.481414][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 8420.481657][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8420.481790][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8420.481918][ C2] kthread (kernel/kthread.c:388) [ 8420.482018][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 8420.482218][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 8420.482347][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 8420.482476][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 8420.482611][ C2] | [ 8445.652772][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 8445.653221][ C2] rcu: 2-....: (1 GPs behind) idle=a8f4/1/0x4000000000000000 softirq=1873706/1873706 fqs=1086735 | [ 8445.653513][ C2] rcu: (t=3302796 jiffies g=3277105 q=71881 ncpus=4) [ 8445.653948][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 8445.654276][ C2] Workqueue: mld mld_ifc_work [ 8445.654598][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8445.654749][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 8445.655337][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 8445.655521][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 8445.655734][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 8445.656039][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 8445.656252][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 8445.656465][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 8445.656764][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 8445.657013][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8445.657193][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 8445.657489][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 8445.657705][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 8445.658002][ C2] PKRU: 55555554 [ 8445.658112][ C2] Call Trace: [ 8445.658219][ C2] [ 8445.658297][ C2] ? rcu_dump_cpu_stacks (kernel/rcu/tree_stall.h:379) [ 8445.658447][ C2] ? print_cpu_stall (kernel/rcu/tree_stall.h:699) [ 8445.658591][ C2] ? check_cpu_stall (kernel/rcu/tree_stall.h:799 (discriminator 2)) [ 8445.658815][ C2] ? debug_object_deactivate (lib/debugobjects.c:779) [ 8445.658960][ C2] ? rcu_pending (kernel/rcu/tree.c:3941 (discriminator 31)) [ 8445.659110][ C2] ? rcu_sched_clock_irq (kernel/rcu/tree.c:2297 (discriminator 22)) [ 8445.659253][ C2] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 8445.659477][ C2] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 8445.659624][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 8445.659766][ C2] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 8445.659909][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 8445.660134][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 8445.660278][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 8445.660427][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 8445.660608][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 8445.660843][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 8445.661022][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 8445.661208][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 8445.661389][ C2] [ 8445.661462][ C2] [ 8445.661534][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 8445.661720][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8445.661863][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 8445.662045][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 8445.662192][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 8445.662334][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 8445.662442][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 8445.662585][ C2] ? eth_header (net/ethernet/eth.c:100) [ 8445.662812][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 8445.662959][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 8445.663106][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 8445.663252][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 8445.663475][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 8445.663585][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 8445.663727][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 8445.663870][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 8445.664015][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 8445.664240][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 8445.664383][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 8445.664525][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 8445.664668][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 8445.664941][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 8445.665120][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 8445.665261][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 8445.665406][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 8445.665552][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 8445.665696][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 8445.665939][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 8445.666081][ C2] process_one_work (kernel/workqueue.c:3254) [ 8445.666303][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 8445.666443][ C2] ? assign_work (kernel/workqueue.c:1209) [ 8445.666585][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 8445.666723][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 8445.666977][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8445.667118][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8445.667255][ C2] kthread (kernel/kthread.c:388) [ 8445.667360][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 8445.667578][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 8445.667717][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 8445.667854][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 8451.397795][ T18] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 3278039 jiffies s: 809 root: 0x4/. | [ 8451.398156][ T18] rcu: blocking rcu_node structures (internal RCU debug): | [ 8451.398341][ T18] Sending NMI from CPU 0 to CPUs 2: | [ 8451.398459][ C2] NMI backtrace for cpu 2 [ 8451.398470][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 8451.398474][ C2] Workqueue: mld mld_ifc_work [ 8451.398485][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8451.398491][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 8451.398495][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 8451.398497][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 8451.398499][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 8451.398501][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 8451.398503][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 8451.398505][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 8451.398507][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 8451.398509][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8451.398513][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 8451.398514][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 8451.398516][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 8451.398518][ C2] PKRU: 55555554 [ 8451.398519][ C2] Call Trace: [ 8451.398522][ C2] [ 8451.398527][ C2] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 8451.398532][ C2] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 8451.398539][ C2] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 8451.398545][ C2] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 8451.398552][ C2] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 8451.398555][ C2] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 8451.398563][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8451.398565][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8451.398568][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8451.398571][ C2] [ 8451.398572][ C2] [ 8451.398573][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 8451.398579][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 8451.398587][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 8451.398590][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 8451.398594][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 8451.398597][ C2] ? eth_header (net/ethernet/eth.c:100) [ 8451.398603][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 8451.398606][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 8451.398613][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 8451.398622][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 8451.398627][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 8451.398630][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 8451.398634][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 8451.398637][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 8451.398640][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 8451.398643][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 8451.398647][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 8451.398651][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 8451.398654][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 8451.398660][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 8451.398664][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 8451.398666][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 8451.398671][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 8451.398675][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 8451.398679][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 8451.398684][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 8451.398687][ C2] process_one_work (kernel/workqueue.c:3254) [ 8451.398694][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 8451.398699][ C2] ? assign_work (kernel/workqueue.c:1209) [ 8451.398703][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 8451.398706][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 8451.398711][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8451.398714][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8451.398717][ C2] kthread (kernel/kthread.c:388) [ 8451.398721][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 8451.398724][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 8451.398728][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 8451.398730][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 8476.469880][ C2] hardirqs last enabled at (6952496): irqentry_exit (kernel/entry/common.c:352) | [ 8476.470113][ C2] hardirqs last disabled at (6952497): sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043) | [ 8476.470441][ C2] softirqs last enabled at (4804798): neigh_resolve_output (net/core/neighbour.c:1539 net/core/neighbour.c:1553 net/core/neighbour.c:1543) | [ 8476.470697][ C2] softirqs last disabled at (4804802): __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:833 net/core/dev.c:4260) [ 8476.471226][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 8476.471586][ C2] Workqueue: mld mld_ifc_work [ 8476.471726][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 8476.471861][ C2] Code: 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 29 f0 0f b7 c8 <39> ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 89 04 24 e8 All code ======== 0: 05 80 fa 03 7e add $0x7e03fa80,%eax 5: 36 8b 55 28 ss mov 0x28(%rbp),%edx 9: 44 39 ea cmp %r13d,%edx c: 76 15 jbe 0x23 e: 48 83 c4 10 add $0x10,%rsp 12: 5d pop %rbp 13: 41 5c pop %r12 15: 41 5d pop %r13 17: c3 ret 18: cc int3 19: cc int3 1a: cc int3 1b: cc int3 1c: 31 c0 xor %eax,%eax 1e: 45 31 ed xor %r13d,%r13d 21: eb 92 jmp 0xffffffffffffffb5 23: 89 d6 mov %edx,%esi 25: 29 f0 sub %esi,%eax 27: 0f b7 c8 movzwl %ax,%ecx 2a:* 39 ca cmp %ecx,%edx <-- trapping instruction 2c: 76 f7 jbe 0x25 2e: 48 83 c4 10 add $0x10,%rsp 32: 5d pop %rbp 33: 41 5c pop %r12 35: 41 5d pop %r13 37: c3 ret 38: cc int3 39: cc int3 3a: cc int3 3b: cc int3 3c: 89 04 24 mov %eax,(%rsp) 3f: e8 .byte 0xe8 Code starting with the faulting instruction =========================================== 0: 39 ca cmp %ecx,%edx 2: 76 f7 jbe 0xfffffffffffffffb 4: 48 83 c4 10 add $0x10,%rsp 8: 5d pop %rbp 9: 41 5c pop %r12 b: 41 5d pop %r13 d: c3 ret e: cc int3 f: cc int3 10: cc int3 11: cc int3 12: 89 04 24 mov %eax,(%rsp) 15: e8 .byte 0xe8 [ 8476.472390][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 8476.472554][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 8476.472748][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 8476.473045][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 8476.473241][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 8476.473433][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 8476.473628][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 8476.473850][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8476.474013][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 8476.474209][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 8476.474403][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 8476.474669][ C2] PKRU: 55555554 [ 8476.474765][ C2] Call Trace: [ 8476.474862][ C2] [ 8476.474930][ C2] ? watchdog_timer_fn (kernel/watchdog.c:548) [ 8476.475063][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 8476.475265][ C2] ? __pfx_watchdog_timer_fn (kernel/watchdog.c:466) [ 8476.475399][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 8476.475528][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 8476.475664][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 8476.475909][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 8476.476072][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 8476.476202][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 8476.476366][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 8476.476529][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 8476.476689][ C2] [ 8476.476755][ C2] [ 8476.476820][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 8476.476985][ C2] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 8476.477115][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 8476.477277][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 8476.477409][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 8476.477540][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 8476.477638][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 8476.477766][ C2] ? eth_header (net/ethernet/eth.c:100) [ 8476.477900][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 8476.478029][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 8476.478232][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 8476.478364][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 8476.478496][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 8476.478597][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 8476.478727][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 8476.478970][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 8476.479098][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 8476.479228][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 8476.479357][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 8476.479487][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 8476.479616][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 8476.479779][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 8476.479941][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 8476.480069][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 8476.480200][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 8476.480329][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 8476.480460][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 8476.480592][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 8476.480721][ C2] process_one_work (kernel/workqueue.c:3254) [ 8476.480853][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 8476.480985][ C2] ? assign_work (kernel/workqueue.c:1209) [ 8476.481185][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 8476.481314][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 8476.481477][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8476.481606][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8476.481805][ C2] kthread (kernel/kthread.c:388) [ 8476.481904][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 8476.482032][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 8476.482164][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 8476.482295][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 8504.469886][ C2] hardirqs last enabled at (6952496): irqentry_exit (kernel/entry/common.c:352) | [ 8504.470188][ C2] hardirqs last disabled at (6952497): sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043) | [ 8504.470444][ C2] softirqs last enabled at (4804798): neigh_resolve_output (net/core/neighbour.c:1539 net/core/neighbour.c:1553 net/core/neighbour.c:1543) | [ 8504.470703][ C2] softirqs last disabled at (4804802): __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:833 net/core/dev.c:4260) [ 8504.471343][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 8504.471633][ C2] Workqueue: mld mld_ifc_work [ 8504.471771][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8504.471905][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 8504.472365][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 8504.472532][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 8504.472724][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 8504.472921][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 8504.473116][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 8504.473384][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 8504.473574][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 8504.473910][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8504.474072][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 8504.474272][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 8504.474464][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 8504.474655][ C2] PKRU: 55555554 [ 8504.474754][ C2] Call Trace: [ 8504.474851][ C2] [ 8504.474918][ C2] ? watchdog_timer_fn (kernel/watchdog.c:548) [ 8504.475053][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 8504.475188][ C2] ? __pfx_watchdog_timer_fn (kernel/watchdog.c:466) [ 8504.475317][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 8504.475446][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 8504.475584][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 8504.475716][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 8504.475880][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 8504.476013][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 8504.476249][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 8504.476410][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 8504.476569][ C2] [ 8504.476634][ C2] [ 8504.476700][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 8504.476964][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8504.477093][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 8504.477255][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 8504.477388][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 8504.477517][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 8504.477616][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 8504.477751][ C2] ? eth_header (net/ethernet/eth.c:100) [ 8504.477882][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 8504.478011][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 8504.478142][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 8504.478274][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 8504.478403][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 8504.478503][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 8504.478634][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 8504.478762][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 8504.478891][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 8504.479021][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 8504.479222][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 8504.479350][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 8504.479481][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 8504.479645][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 8504.479876][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 8504.480003][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 8504.480134][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 8504.480272][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 8504.480546][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 8504.480676][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 8504.480804][ C2] process_one_work (kernel/workqueue.c:3254) [ 8504.480939][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 8504.481143][ C2] ? assign_work (kernel/workqueue.c:1209) [ 8504.481272][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 8504.481403][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 8504.481563][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8504.481763][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8504.481891][ C2] kthread (kernel/kthread.c:388) [ 8504.481989][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 8504.482122][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 8504.482325][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 8504.482453][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 8504.482586][ C2] | [ 8523.671773][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 8523.672114][ C2] rcu: 2-....: (1 GPs behind) idle=a8f4/1/0x4000000000000000 softirq=1873706/1873706 fqs=1120707 | [ 8523.672481][ C2] rcu: (t=3380815 jiffies g=3277105 q=73340 ncpus=4) [ 8523.672989][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 8523.673295][ C2] Workqueue: mld mld_ifc_work [ 8523.673448][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8523.673677][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 8523.674164][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 8523.674422][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 8523.674630][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 8523.674834][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 8523.675123][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 8523.675327][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 8523.675621][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 8523.675859][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8523.676033][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 8523.676325][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 8523.676532][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 8523.676735][ C2] PKRU: 55555554 [ 8523.676839][ C2] Call Trace: [ 8523.677021][ C2] [ 8523.677094][ C2] ? rcu_dump_cpu_stacks (kernel/rcu/tree_stall.h:379) [ 8523.677237][ C2] ? print_cpu_stall (kernel/rcu/tree_stall.h:699) [ 8523.677377][ C2] ? check_cpu_stall (kernel/rcu/tree_stall.h:799 (discriminator 2)) [ 8523.677516][ C2] ? debug_object_deactivate (lib/debugobjects.c:779) [ 8523.677736][ C2] ? rcu_pending (kernel/rcu/tree.c:3941 (discriminator 31)) [ 8523.677873][ C2] ? rcu_sched_clock_irq (kernel/rcu/tree.c:2297 (discriminator 22)) [ 8523.678009][ C2] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 8523.678146][ C2] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 8523.678367][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 8523.678505][ C2] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 8523.678645][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 8523.678783][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 8523.678999][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 8523.679139][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 8523.679312][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 8523.679456][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 8523.679708][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 8523.679882][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 8523.680054][ C2] [ 8523.680124][ C2] [ 8523.680194][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 8523.680531][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8523.680667][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 8523.680837][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 8523.681056][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 8523.681194][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 8523.681298][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 8523.681437][ C2] ? eth_header (net/ethernet/eth.c:100) [ 8523.681575][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 8523.681793][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 8523.681933][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 8523.682073][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 8523.682210][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 8523.682393][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 8523.682534][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 8523.682670][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 8523.682808][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 8523.682946][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 8523.683165][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 8523.683303][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 8523.683451][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 8523.683624][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 8523.683875][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 8523.684010][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 8523.684148][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 8523.684286][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 8523.684506][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 8523.684643][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 8523.684780][ C2] process_one_work (kernel/workqueue.c:3254) [ 8523.684921][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 8523.685144][ C2] ? assign_work (kernel/workqueue.c:1209) [ 8523.685281][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 8523.685420][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 8523.685597][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8523.685813][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8523.685950][ C2] kthread (kernel/kthread.c:388) [ 8523.686053][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 8523.686189][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 8523.686410][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 8523.686545][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 8548.469901][ C2] hardirqs last enabled at (6952496): irqentry_exit (kernel/entry/common.c:352) | [ 8548.470215][ C2] hardirqs last disabled at (6952497): sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043) | [ 8548.470470][ C2] softirqs last enabled at (4804798): neigh_resolve_output (net/core/neighbour.c:1539 net/core/neighbour.c:1553 net/core/neighbour.c:1543) | [ 8548.470730][ C2] softirqs last disabled at (4804802): __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:833 net/core/dev.c:4260) [ 8548.471261][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 8548.471552][ C2] Workqueue: mld mld_ifc_work [ 8548.471689][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8548.471932][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 8548.472417][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 8548.472581][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 8548.472773][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 8548.472964][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 8548.473158][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 8548.473351][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 8548.473543][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 8548.473841][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8548.474004][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 8548.474275][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 8548.474467][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 8548.474661][ C2] PKRU: 55555554 [ 8548.474757][ C2] Call Trace: [ 8548.474926][ C2] [ 8548.474994][ C2] ? watchdog_timer_fn (kernel/watchdog.c:548) [ 8548.475130][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 8548.475265][ C2] ? __pfx_watchdog_timer_fn (kernel/watchdog.c:466) [ 8548.475401][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 8548.475601][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 8548.475730][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 8548.475864][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 8548.476029][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 8548.476230][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 8548.476393][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 8548.476555][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 8548.476786][ C2] [ 8548.476852][ C2] [ 8548.476921][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 8548.477085][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8548.477215][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 8548.477378][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 8548.477510][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 8548.477638][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 8548.477740][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 8548.477869][ C2] ? eth_header (net/ethernet/eth.c:100) [ 8548.477999][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 8548.478128][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 8548.478259][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 8548.478390][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 8548.478520][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 8548.478624][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 8548.478752][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 8548.478882][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 8548.479084][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 8548.479212][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 8548.479341][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 8548.479472][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 8548.479601][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 8548.479834][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 8548.479994][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 8548.480122][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 8548.480323][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 8548.480455][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 8548.480585][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 8548.480715][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 8548.480843][ C2] process_one_work (kernel/workqueue.c:3254) [ 8548.481048][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 8548.481181][ C2] ? assign_work (kernel/workqueue.c:1209) [ 8548.481313][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 8548.481441][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 8548.481672][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8548.481801][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8548.481928][ C2] kthread (kernel/kthread.c:388) [ 8548.482027][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 8548.482230][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 8548.482360][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 8548.482490][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 8549.701787][ T18] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 3376343 jiffies s: 809 root: 0x4/. | [ 8549.702131][ T18] rcu: blocking rcu_node structures (internal RCU debug): | [ 8549.702269][ T18] Sending NMI from CPU 0 to CPUs 2: | [ 8549.702394][ C2] NMI backtrace for cpu 2 [ 8549.702402][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 8549.702404][ C2] Workqueue: mld mld_ifc_work [ 8549.702412][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8549.702418][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 8549.702421][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 8549.702423][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 8549.702425][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 8549.702427][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 8549.702429][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 8549.702431][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 8549.702433][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 8549.702435][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8549.702439][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 8549.702441][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 8549.702442][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 8549.702444][ C2] PKRU: 55555554 [ 8549.702445][ C2] Call Trace: [ 8549.702447][ C2] [ 8549.702449][ C2] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 8549.702454][ C2] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 8549.702460][ C2] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 8549.702465][ C2] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 8549.702471][ C2] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 8549.702474][ C2] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 8549.702482][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8549.702484][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8549.702487][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8549.702490][ C2] [ 8549.702491][ C2] [ 8549.702492][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 8549.702498][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 8549.702505][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 8549.702508][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 8549.702512][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 8549.702515][ C2] ? eth_header (net/ethernet/eth.c:100) [ 8549.702521][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 8549.702525][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 8549.702532][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 8549.702539][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 8549.702543][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 8549.702547][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 8549.702551][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 8549.702554][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 8549.702557][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 8549.702560][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 8549.702563][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 8549.702567][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 8549.702570][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 8549.702576][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 8549.702579][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 8549.702581][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 8549.702586][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 8549.702590][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 8549.702595][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 8549.702599][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 8549.702602][ C2] process_one_work (kernel/workqueue.c:3254) [ 8549.702609][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 8549.702614][ C2] ? assign_work (kernel/workqueue.c:1209) [ 8549.702618][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 8549.702622][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 8549.702626][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8549.702630][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8549.702633][ C2] kthread (kernel/kthread.c:388) [ 8549.702636][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 8549.702639][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 8549.702643][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 8549.702645][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 8576.469843][ C2] hardirqs last enabled at (6952496): irqentry_exit (kernel/entry/common.c:352) | [ 8576.470071][ C2] hardirqs last disabled at (6952497): sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043) | [ 8576.470400][ C2] softirqs last enabled at (4804798): neigh_resolve_output (net/core/neighbour.c:1539 net/core/neighbour.c:1553 net/core/neighbour.c:1543) | [ 8576.470658][ C2] softirqs last disabled at (4804802): __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:833 net/core/dev.c:4260) [ 8576.471181][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 8576.471540][ C2] Workqueue: mld mld_ifc_work [ 8576.471679][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8576.471814][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 8576.472345][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 8576.472508][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 8576.472776][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 8576.472968][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 8576.473162][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 8576.473426][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 8576.473618][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 8576.473843][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8576.474081][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 8576.474274][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 8576.474466][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 8576.474729][ C2] PKRU: 55555554 [ 8576.474829][ C2] Call Trace: [ 8576.474928][ C2] [ 8576.474997][ C2] ? watchdog_timer_fn (kernel/watchdog.c:548) [ 8576.475130][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 8576.475340][ C2] ? __pfx_watchdog_timer_fn (kernel/watchdog.c:466) [ 8576.475473][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 8576.475602][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 8576.475730][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 8576.475940][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 8576.476104][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 8576.476234][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 8576.476396][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 8576.476628][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 8576.476790][ C2] [ 8576.476856][ C2] [ 8576.476922][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 8576.477230][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8576.477362][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 8576.477523][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 8576.477654][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 8576.477895][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 8576.477994][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 8576.478123][ C2] ? eth_header (net/ethernet/eth.c:100) [ 8576.478254][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 8576.478385][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 8576.478517][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 8576.478651][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 8576.478780][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 8576.478879][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 8576.479009][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 8576.479155][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 8576.479286][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 8576.479415][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 8576.479550][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 8576.479680][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 8576.479809][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 8576.479971][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 8576.480203][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 8576.480335][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 8576.480465][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 8576.480595][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 8576.480729][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 8576.480970][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 8576.481099][ C2] process_one_work (kernel/workqueue.c:3254) [ 8576.481231][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 8576.481364][ C2] ? assign_work (kernel/workqueue.c:1209) [ 8576.481494][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 8576.481623][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 8576.481785][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8576.481916][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8576.482046][ C2] kthread (kernel/kthread.c:388) [ 8576.482147][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 8576.482276][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 8576.482405][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 8576.482534][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 8576.482667][ C2] | [ 8601.690773][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 8601.691073][ C2] rcu: 2-....: (1 GPs behind) idle=a8f4/1/0x4000000000000000 softirq=1873706/1873706 fqs=1155960 | [ 8601.691429][ C2] rcu: (t=3458834 jiffies g=3277105 q=74799 ncpus=4) [ 8601.691843][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 8601.692234][ C2] Workqueue: mld mld_ifc_work [ 8601.692387][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8601.692532][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 8601.693101][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 8601.693358][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 8601.693565][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 8601.693769][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 8601.694060][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 8601.694264][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 8601.694469][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 8601.694789][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8601.694962][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 8601.695177][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 8601.695547][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 8601.695751][ C2] PKRU: 55555554 [ 8601.695857][ C2] Call Trace: [ 8601.695960][ C2] [ 8601.696115][ C2] ? rcu_dump_cpu_stacks (kernel/rcu/tree_stall.h:379) [ 8601.696256][ C2] ? print_cpu_stall (kernel/rcu/tree_stall.h:699) [ 8601.696394][ C2] ? check_cpu_stall (kernel/rcu/tree_stall.h:799 (discriminator 2)) [ 8601.696529][ C2] ? debug_object_deactivate (lib/debugobjects.c:779) [ 8601.696669][ C2] ? rcu_pending (kernel/rcu/tree.c:3941 (discriminator 31)) [ 8601.696886][ C2] ? rcu_sched_clock_irq (kernel/rcu/tree.c:2297 (discriminator 22)) [ 8601.697023][ C2] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 8601.697167][ C2] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 8601.697304][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 8601.697442][ C2] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 8601.697579][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 8601.697715][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 8601.697852][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 8601.697993][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 8601.698169][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 8601.698306][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 8601.698478][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 8601.698729][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 8601.698903][ C2] [ 8601.698973][ C2] [ 8601.699042][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 8601.699295][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8601.699435][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 8601.699607][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 8601.699747][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 8601.699967][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 8601.700071][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 8601.700208][ C2] ? eth_header (net/ethernet/eth.c:100) [ 8601.700347][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 8601.700484][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 8601.700707][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 8601.700849][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 8601.700987][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 8601.701091][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 8601.701310][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 8601.701446][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 8601.701584][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 8601.701721][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 8601.701860][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 8601.702080][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 8601.702217][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 8601.702389][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 8601.702641][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 8601.702776][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 8601.702917][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 8601.703054][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 8601.703193][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 8601.703415][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 8601.703551][ C2] process_one_work (kernel/workqueue.c:3254) [ 8601.703693][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 8601.703834][ C2] ? assign_work (kernel/workqueue.c:1209) [ 8601.704051][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 8601.704187][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 8601.704359][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8601.704495][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8601.704717][ C2] kthread (kernel/kthread.c:388) [ 8601.704824][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 8601.704961][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 8601.705105][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 8601.705321][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 8628.469918][ C2] hardirqs last enabled at (6952496): irqentry_exit (kernel/entry/common.c:352) | [ 8628.470219][ C2] hardirqs last disabled at (6952497): sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043) | [ 8628.470480][ C2] softirqs last enabled at (4804798): neigh_resolve_output (net/core/neighbour.c:1539 net/core/neighbour.c:1553 net/core/neighbour.c:1543) | [ 8628.470825][ C2] softirqs last disabled at (4804802): __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:833 net/core/dev.c:4260) [ 8628.471278][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 8628.471565][ C2] Workqueue: mld mld_ifc_work [ 8628.471706][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8628.471842][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 8628.472297][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 8628.472461][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 8628.472655][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 8628.472850][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 8628.473116][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 8628.473308][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 8628.473499][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 8628.473799][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8628.473962][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 8628.474155][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 8628.474420][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 8628.474611][ C2] PKRU: 55555554 [ 8628.474712][ C2] Call Trace: [ 8628.474810][ C2] [ 8628.474878][ C2] ? watchdog_timer_fn (kernel/watchdog.c:548) [ 8628.475091][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 8628.475224][ C2] ? __pfx_watchdog_timer_fn (kernel/watchdog.c:466) [ 8628.475353][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 8628.475483][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 8628.475687][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 8628.475818][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 8628.475983][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 8628.476115][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 8628.476348][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 8628.476511][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 8628.476671][ C2] [ 8628.476737][ C2] [ 8628.476901][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 8628.477065][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8628.477196][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 8628.477358][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 8628.477495][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 8628.477623][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 8628.477721][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 8628.477854][ C2] ? eth_header (net/ethernet/eth.c:100) [ 8628.477985][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 8628.478115][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 8628.478250][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 8628.478383][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 8628.478514][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 8628.478612][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 8628.478742][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 8628.478871][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 8628.479000][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 8628.479272][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 8628.479404][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 8628.479533][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 8628.479662][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 8628.479893][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 8628.480054][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 8628.480184][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 8628.480313][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 8628.480513][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 8628.480645][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 8628.480775][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 8628.480903][ C2] process_one_work (kernel/workqueue.c:3254) [ 8628.481037][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 8628.481239][ C2] ? assign_work (kernel/workqueue.c:1209) [ 8628.481367][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 8628.481505][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 8628.481667][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8628.481870][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8628.482000][ C2] kthread (kernel/kthread.c:388) [ 8628.482098][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 8628.482227][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 8628.482426][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 8628.482554][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 8648.005789][ T18] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 3474647 jiffies s: 809 root: 0x4/. | [ 8648.006202][ T18] rcu: blocking rcu_node structures (internal RCU debug): | [ 8648.006388][ T18] Sending NMI from CPU 0 to CPUs 2: | [ 8648.006506][ C2] NMI backtrace for cpu 2 [ 8648.006517][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 8648.006521][ C2] Workqueue: mld mld_ifc_work [ 8648.006531][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8648.006538][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 8648.006541][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 8648.006544][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 8648.006546][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 8648.006548][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 8648.006549][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 8648.006551][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 8648.006554][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 8648.006556][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8648.006560][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 8648.006561][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 8648.006563][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 8648.006564][ C2] PKRU: 55555554 [ 8648.006565][ C2] Call Trace: [ 8648.006569][ C2] [ 8648.006573][ C2] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 8648.006578][ C2] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 8648.006585][ C2] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 8648.006591][ C2] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 8648.006597][ C2] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 8648.006600][ C2] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 8648.006608][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8648.006611][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8648.006614][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8648.006616][ C2] [ 8648.006617][ C2] [ 8648.006618][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 8648.006624][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 8648.006632][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 8648.006635][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 8648.006639][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 8648.006642][ C2] ? eth_header (net/ethernet/eth.c:100) [ 8648.006649][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 8648.006652][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 8648.006659][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 8648.006667][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 8648.006672][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 8648.006676][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 8648.006679][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 8648.006683][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 8648.006686][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 8648.006689][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 8648.006693][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 8648.006697][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 8648.006700][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 8648.006707][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 8648.006710][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 8648.006712][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 8648.006718][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 8648.006722][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 8648.006727][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 8648.006731][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 8648.006735][ C2] process_one_work (kernel/workqueue.c:3254) [ 8648.006743][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 8648.006748][ C2] ? assign_work (kernel/workqueue.c:1209) [ 8648.006751][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 8648.006755][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 8648.006759][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8648.006762][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8648.006765][ C2] kthread (kernel/kthread.c:388) [ 8648.006771][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 8648.006774][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 8648.006777][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 8648.006780][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 8672.469895][ C2] hardirqs last enabled at (6952496): irqentry_exit (kernel/entry/common.c:352) | [ 8672.470134][ C2] hardirqs last disabled at (6952497): sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043) | [ 8672.470462][ C2] softirqs last enabled at (4804798): neigh_resolve_output (net/core/neighbour.c:1539 net/core/neighbour.c:1553 net/core/neighbour.c:1543) | [ 8672.470718][ C2] softirqs last disabled at (4804802): __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:833 net/core/dev.c:4260) [ 8672.471248][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 8672.471536][ C2] Workqueue: mld mld_ifc_work [ 8672.471748][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 8672.471886][ C2] Code: 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 29 f0 0f b7 c8 <39> ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 89 04 24 e8 All code ======== 0: 05 80 fa 03 7e add $0x7e03fa80,%eax 5: 36 8b 55 28 ss mov 0x28(%rbp),%edx 9: 44 39 ea cmp %r13d,%edx c: 76 15 jbe 0x23 e: 48 83 c4 10 add $0x10,%rsp 12: 5d pop %rbp 13: 41 5c pop %r12 15: 41 5d pop %r13 17: c3 ret 18: cc int3 19: cc int3 1a: cc int3 1b: cc int3 1c: 31 c0 xor %eax,%eax 1e: 45 31 ed xor %r13d,%r13d 21: eb 92 jmp 0xffffffffffffffb5 23: 89 d6 mov %edx,%esi 25: 29 f0 sub %esi,%eax 27: 0f b7 c8 movzwl %ax,%ecx 2a:* 39 ca cmp %ecx,%edx <-- trapping instruction 2c: 76 f7 jbe 0x25 2e: 48 83 c4 10 add $0x10,%rsp 32: 5d pop %rbp 33: 41 5c pop %r12 35: 41 5d pop %r13 37: c3 ret 38: cc int3 39: cc int3 3a: cc int3 3b: cc int3 3c: 89 04 24 mov %eax,(%rsp) 3f: e8 .byte 0xe8 Code starting with the faulting instruction =========================================== 0: 39 ca cmp %ecx,%edx 2: 76 f7 jbe 0xfffffffffffffffb 4: 48 83 c4 10 add $0x10,%rsp 8: 5d pop %rbp 9: 41 5c pop %r12 b: 41 5d pop %r13 d: c3 ret e: cc int3 f: cc int3 10: cc int3 11: cc int3 12: 89 04 24 mov %eax,(%rsp) 15: e8 .byte 0xe8 [ 8672.472414][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 8672.472577][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 8672.472772][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 8672.473038][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 8672.473233][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 8672.473427][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 8672.473772][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 8672.473996][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8672.474157][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 8672.474425][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 8672.474620][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 8672.474820][ C2] PKRU: 55555554 [ 8672.474987][ C2] Call Trace: [ 8672.475084][ C2] [ 8672.475153][ C2] ? watchdog_timer_fn (kernel/watchdog.c:548) [ 8672.475286][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 8672.475416][ C2] ? __pfx_watchdog_timer_fn (kernel/watchdog.c:466) [ 8672.475619][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 8672.475751][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 8672.475880][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 8672.476011][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 8672.476245][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 8672.476375][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 8672.476632][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 8672.476797][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 8672.477030][ C2] [ 8672.477096][ C2] [ 8672.477174][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 8672.477338][ C2] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 8672.477538][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 8672.477702][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 8672.477834][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 8672.477962][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 8672.478063][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 8672.478265][ C2] ? eth_header (net/ethernet/eth.c:100) [ 8672.478395][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 8672.478526][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 8672.478656][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 8672.478865][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 8672.478994][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 8672.479092][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 8672.479221][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 8672.479354][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 8672.479483][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 8672.479617][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 8672.479747][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 8672.479875][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 8672.480004][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 8672.480169][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 8672.480331][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 8672.480459][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 8672.480590][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 8672.480720][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 8672.480851][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 8672.480983][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 8672.481182][ C2] process_one_work (kernel/workqueue.c:3254) [ 8672.481315][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 8672.481446][ C2] ? assign_work (kernel/workqueue.c:1209) [ 8672.481577][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 8672.481776][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 8672.481939][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8672.482068][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8672.482196][ C2] kthread (kernel/kthread.c:388) [ 8672.482365][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 8672.482494][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 8672.482623][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 8672.482752][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 8672.482959][ C2] | [ 8679.707773][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 8679.708047][ C2] rcu: 2-....: (1 GPs behind) idle=a8f4/1/0x4000000000000000 softirq=1873706/1873706 fqs=1190327 | [ 8679.708322][ C2] rcu: (t=3536851 jiffies g=3277105 q=76258 ncpus=4) [ 8679.708900][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 8679.709294][ C2] Workqueue: mld mld_ifc_work [ 8679.709442][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8679.709587][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 8679.710191][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 8679.710365][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 8679.710571][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 8679.710779][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 8679.710984][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 8679.711276][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 8679.711481][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 8679.711722][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8679.711991][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 8679.712196][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 8679.712404][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 8679.712610][ C2] PKRU: 55555554 [ 8679.712712][ C2] Call Trace: [ 8679.712815][ C2] [ 8679.712886][ C2] ? rcu_dump_cpu_stacks (kernel/rcu/tree_stall.h:379) [ 8679.713030][ C2] ? print_cpu_stall (kernel/rcu/tree_stall.h:699) [ 8679.713169][ C2] ? check_cpu_stall (kernel/rcu/tree_stall.h:799 (discriminator 2)) [ 8679.713304][ C2] ? debug_object_deactivate (lib/debugobjects.c:779) [ 8679.713448][ C2] ? rcu_pending (kernel/rcu/tree.c:3941 (discriminator 31)) [ 8679.713585][ C2] ? rcu_sched_clock_irq (kernel/rcu/tree.c:2297 (discriminator 22)) [ 8679.713803][ C2] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 8679.713940][ C2] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 8679.714078][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 8679.714215][ C2] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 8679.714431][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 8679.714573][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 8679.714709][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 8679.714855][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 8679.715110][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 8679.715247][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 8679.715421][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 8679.715591][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 8679.715845][ C2] [ 8679.715915][ C2] [ 8679.715984][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 8679.716158][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8679.716375][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 8679.716549][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 8679.716690][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 8679.716827][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 8679.716933][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 8679.717151][ C2] ? eth_header (net/ethernet/eth.c:100) [ 8679.717290][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 8679.717431][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 8679.717570][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 8679.717789][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 8679.717927][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 8679.718030][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 8679.718167][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 8679.718385][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 8679.718524][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 8679.718660][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 8679.718798][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 8679.718936][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 8679.719232][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 8679.719404][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 8679.719577][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 8679.719801][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 8679.719940][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 8679.720078][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 8679.720217][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 8679.720356][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 8679.720496][ C2] process_one_work (kernel/workqueue.c:3254) [ 8679.720636][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 8679.720774][ C2] ? assign_work (kernel/workqueue.c:1209) [ 8679.720912][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 8679.721052][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 8679.721225][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8679.721364][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8679.721500][ C2] kthread (kernel/kthread.c:388) [ 8679.721685][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 8679.721822][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 8679.721959][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 8679.722095][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 8704.469886][ C2] hardirqs last enabled at (6952496): irqentry_exit (kernel/entry/common.c:352) | [ 8704.470121][ C2] hardirqs last disabled at (6952497): sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043) | [ 8704.470447][ C2] softirqs last enabled at (4804798): neigh_resolve_output (net/core/neighbour.c:1539 net/core/neighbour.c:1553 net/core/neighbour.c:1543) | [ 8704.470704][ C2] softirqs last disabled at (4804802): __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:833 net/core/dev.c:4260) [ 8704.471231][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 8704.471591][ C2] Workqueue: mld mld_ifc_work [ 8704.471730][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8704.471866][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 8704.472398][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 8704.472561][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 8704.472840][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 8704.473032][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 8704.473224][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 8704.473418][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 8704.473611][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 8704.473834][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8704.473996][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 8704.474190][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 8704.474392][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 8704.474583][ C2] PKRU: 55555554 [ 8704.474690][ C2] Call Trace: [ 8704.474788][ C2] [ 8704.474856][ C2] ? watchdog_timer_fn (kernel/watchdog.c:548) [ 8704.474990][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 8704.475192][ C2] ? __pfx_watchdog_timer_fn (kernel/watchdog.c:466) [ 8704.475324][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 8704.475455][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 8704.475584][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 8704.475873][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 8704.476036][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 8704.476166][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 8704.476330][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 8704.476491][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 8704.476652][ C2] [ 8704.476718][ C2] [ 8704.476783][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 8704.476948][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8704.477079][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 8704.477241][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 8704.477371][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 8704.477501][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 8704.477601][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 8704.477730][ C2] ? eth_header (net/ethernet/eth.c:100) [ 8704.477862][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 8704.477991][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 8704.478193][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 8704.478324][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 8704.478453][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 8704.478551][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 8704.478753][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 8704.478885][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 8704.479014][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 8704.479145][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 8704.479345][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 8704.479475][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 8704.479604][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 8704.479767][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 8704.479998][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 8704.480127][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 8704.480256][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 8704.480385][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 8704.480586][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 8704.480718][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 8704.480847][ C2] process_one_work (kernel/workqueue.c:3254) [ 8704.480979][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 8704.481110][ C2] ? assign_work (kernel/workqueue.c:1209) [ 8704.481313][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 8704.481441][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 8704.481604][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8704.481733][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8704.481975][ C2] kthread (kernel/kthread.c:388) [ 8704.482073][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 8704.482202][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 8704.482330][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 8704.482463][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 8732.469835][ C2] hardirqs last enabled at (6952496): irqentry_exit (kernel/entry/common.c:352) | [ 8732.470067][ C2] hardirqs last disabled at (6952497): sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043) | [ 8732.470322][ C2] softirqs last enabled at (4804798): neigh_resolve_output (net/core/neighbour.c:1539 net/core/neighbour.c:1553 net/core/neighbour.c:1543) | [ 8732.470654][ C2] softirqs last disabled at (4804802): __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:833 net/core/dev.c:4260) [ 8732.471113][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 8732.471477][ C2] Workqueue: mld mld_ifc_work [ 8732.471615][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8732.471753][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 8732.472359][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 8732.472598][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 8732.472790][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 8732.472981][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 8732.473246][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 8732.473442][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 8732.473635][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 8732.473962][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8732.474124][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 8732.474320][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 8732.474519][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 8732.474711][ C2] PKRU: 55555554 [ 8732.474809][ C2] Call Trace: [ 8732.474906][ C2] [ 8732.474975][ C2] ? watchdog_timer_fn (kernel/watchdog.c:548) [ 8732.475108][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 8732.475267][ C2] ? __pfx_watchdog_timer_fn (kernel/watchdog.c:466) [ 8732.475400][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 8732.475530][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 8732.475659][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 8732.475801][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 8732.475962][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 8732.476094][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 8732.476327][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 8732.476492][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 8732.476650][ C2] [ 8732.476716][ C2] [ 8732.476880][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 8732.477046][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8732.477175][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 8732.477336][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 8732.477469][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 8732.477598][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 8732.477699][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 8732.477830][ C2] ? eth_header (net/ethernet/eth.c:100) [ 8732.477961][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 8732.478089][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 8732.478220][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 8732.478351][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 8732.478481][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 8732.478579][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 8732.478713][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 8732.478843][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 8732.478971][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 8732.479171][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 8732.479301][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 8732.479429][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 8732.479559][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 8732.479792][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 8732.479954][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 8732.480082][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 8732.480213][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 8732.480414][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 8732.480546][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 8732.480676][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 8732.480804][ C2] process_one_work (kernel/workqueue.c:3254) [ 8732.481007][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 8732.481137][ C2] ? assign_work (kernel/workqueue.c:1209) [ 8732.481272][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 8732.481403][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 8732.481718][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8732.481847][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8732.481976][ C2] kthread (kernel/kthread.c:388) [ 8732.482075][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 8732.482203][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 8732.482405][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 8732.482535][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 8746.309787][ T18] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 3572951 jiffies s: 809 root: 0x4/. | [ 8746.310201][ T18] rcu: blocking rcu_node structures (internal RCU debug): | [ 8746.310396][ T18] Sending NMI from CPU 0 to CPUs 2: | [ 8746.310519][ C2] NMI backtrace for cpu 2 [ 8746.310529][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 8746.310533][ C2] Workqueue: mld mld_ifc_work [ 8746.310543][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 8746.310549][ C2] Code: 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 29 f0 0f b7 c8 <39> ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 89 04 24 e8 All code ======== 0: 05 80 fa 03 7e add $0x7e03fa80,%eax 5: 36 8b 55 28 ss mov 0x28(%rbp),%edx 9: 44 39 ea cmp %r13d,%edx c: 76 15 jbe 0x23 e: 48 83 c4 10 add $0x10,%rsp 12: 5d pop %rbp 13: 41 5c pop %r12 15: 41 5d pop %r13 17: c3 ret 18: cc int3 19: cc int3 1a: cc int3 1b: cc int3 1c: 31 c0 xor %eax,%eax 1e: 45 31 ed xor %r13d,%r13d 21: eb 92 jmp 0xffffffffffffffb5 23: 89 d6 mov %edx,%esi 25: 29 f0 sub %esi,%eax 27: 0f b7 c8 movzwl %ax,%ecx 2a:* 39 ca cmp %ecx,%edx <-- trapping instruction 2c: 76 f7 jbe 0x25 2e: 48 83 c4 10 add $0x10,%rsp 32: 5d pop %rbp 33: 41 5c pop %r12 35: 41 5d pop %r13 37: c3 ret 38: cc int3 39: cc int3 3a: cc int3 3b: cc int3 3c: 89 04 24 mov %eax,(%rsp) 3f: e8 .byte 0xe8 Code starting with the faulting instruction =========================================== 0: 39 ca cmp %ecx,%edx 2: 76 f7 jbe 0xfffffffffffffffb 4: 48 83 c4 10 add $0x10,%rsp 8: 5d pop %rbp 9: 41 5c pop %r12 b: 41 5d pop %r13 d: c3 ret e: cc int3 f: cc int3 10: cc int3 11: cc int3 12: 89 04 24 mov %eax,(%rsp) 15: e8 .byte 0xe8 [ 8746.310552][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 8746.310555][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 8746.310557][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 8746.310559][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 8746.310561][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 8746.310563][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 8746.310564][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 8746.310567][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8746.310570][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 8746.310572][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 8746.310573][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 8746.310575][ C2] PKRU: 55555554 [ 8746.310576][ C2] Call Trace: [ 8746.310579][ C2] [ 8746.310583][ C2] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 8746.310588][ C2] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 8746.310595][ C2] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 8746.310601][ C2] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 8746.310607][ C2] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 8746.310610][ C2] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 8746.310618][ C2] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 8746.310621][ C2] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 8746.310624][ C2] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 8746.310627][ C2] [ 8746.310628][ C2] [ 8746.310629][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 8746.310635][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 8746.310643][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 8746.310646][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 8746.310650][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 8746.310653][ C2] ? eth_header (net/ethernet/eth.c:100) [ 8746.310659][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 8746.310662][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 8746.310669][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 8746.310678][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 8746.310683][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 8746.310687][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 8746.310690][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 8746.310693][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 8746.310697][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 8746.310699][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 8746.310704][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 8746.310708][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 8746.310711][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 8746.310717][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 8746.310720][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 8746.310722][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 8746.310728][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 8746.310732][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 8746.310737][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 8746.310741][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 8746.310745][ C2] process_one_work (kernel/workqueue.c:3254) [ 8746.310753][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 8746.310758][ C2] ? assign_work (kernel/workqueue.c:1209) [ 8746.310762][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 8746.310766][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 8746.310771][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8746.310775][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8746.310777][ C2] kthread (kernel/kthread.c:388) [ 8746.310782][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 8746.310784][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 8746.310788][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 8746.310791][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 8746.310799][ C2] | [ 8757.725773][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 8757.726112][ C2] rcu: 2-....: (1 GPs behind) idle=a8f4/1/0x4000000000000000 softirq=1873706/1873706 fqs=1226380 | [ 8757.726399][ C2] rcu: (t=3614869 jiffies g=3277105 q=77717 ncpus=4) [ 8757.726894][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 8757.727203][ C2] Workqueue: mld mld_ifc_work [ 8757.727438][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8757.727587][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 8757.728154][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 8757.728332][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 8757.728537][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 8757.728826][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 8757.729033][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 8757.729238][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 8757.729538][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 8757.729776][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8757.730035][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 8757.730241][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 8757.730447][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 8757.730733][ C2] PKRU: 55555554 [ 8757.730837][ C2] Call Trace: [ 8757.730940][ C2] [ 8757.731013][ C2] ? rcu_dump_cpu_stacks (kernel/rcu/tree_stall.h:379) [ 8757.731159][ C2] ? print_cpu_stall (kernel/rcu/tree_stall.h:699) [ 8757.731380][ C2] ? check_cpu_stall (kernel/rcu/tree_stall.h:799 (discriminator 2)) [ 8757.731516][ C2] ? debug_object_deactivate (lib/debugobjects.c:779) [ 8757.731655][ C2] ? rcu_pending (kernel/rcu/tree.c:3941 (discriminator 31)) [ 8757.731793][ C2] ? rcu_sched_clock_irq (kernel/rcu/tree.c:2297 (discriminator 22)) [ 8757.731932][ C2] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 8757.732152][ C2] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 8757.732297][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 8757.732434][ C2] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 8757.732573][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 8757.732790][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 8757.732932][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 8757.733071][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 8757.733247][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 8757.733545][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 8757.733719][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 8757.733891][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 8757.734143][ C2] [ 8757.734213][ C2] [ 8757.734282][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 8757.734465][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8757.734603][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 8757.734863][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 8757.735010][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 8757.735148][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 8757.735252][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 8757.735392][ C2] ? eth_header (net/ethernet/eth.c:100) [ 8757.735557][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 8757.735696][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 8757.735847][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 8757.735987][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 8757.736127][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 8757.736234][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 8757.736372][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 8757.736509][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 8757.736726][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 8757.736863][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 8757.737001][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 8757.737139][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 8757.737278][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 8757.737532][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 8757.737703][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 8757.737839][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 8757.738057][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 8757.738197][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 8757.738336][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 8757.738473][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 8757.738611][ C2] process_one_work (kernel/workqueue.c:3254) [ 8757.738833][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 8757.738972][ C2] ? assign_work (kernel/workqueue.c:1209) [ 8757.739110][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 8757.739249][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 8757.739500][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8757.739637][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8757.739774][ C2] kthread (kernel/kthread.c:388) [ 8757.739880][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 8757.740097][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 8757.740236][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 8757.740372][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 8784.469830][ C2] hardirqs last enabled at (6952496): irqentry_exit (kernel/entry/common.c:352) | [ 8784.470060][ C2] hardirqs last disabled at (6952497): sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043) | [ 8784.470389][ C2] softirqs last enabled at (4804798): neigh_resolve_output (net/core/neighbour.c:1539 net/core/neighbour.c:1553 net/core/neighbour.c:1543) | [ 8784.470649][ C2] softirqs last disabled at (4804802): __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:833 net/core/dev.c:4260) [ 8784.471178][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 8784.471469][ C2] Workqueue: mld mld_ifc_work [ 8784.471680][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8784.471815][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 8784.472426][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 8784.472593][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 8784.472786][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 8784.473052][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 8784.473247][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 8784.473438][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 8784.473702][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 8784.473925][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8784.474089][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 8784.474371][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 8784.474562][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 8784.474848][ C2] PKRU: 55555554 [ 8784.474945][ C2] Call Trace: [ 8784.475042][ C2] [ 8784.475112][ C2] ? watchdog_timer_fn (kernel/watchdog.c:548) [ 8784.475248][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 8784.475380][ C2] ? __pfx_watchdog_timer_fn (kernel/watchdog.c:466) [ 8784.475509][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 8784.475638][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 8784.475767][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 8784.475898][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 8784.476063][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 8784.476195][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 8784.476356][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 8784.476516][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 8784.476675][ C2] [ 8784.476743][ C2] [ 8784.476808][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 8784.476971][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8784.477171][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 8784.477334][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 8784.477466][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 8784.477594][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 8784.477766][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 8784.477894][ C2] ? eth_header (net/ethernet/eth.c:100) [ 8784.478024][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 8784.478153][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 8784.478283][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 8784.478488][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 8784.478624][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 8784.478723][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 8784.478852][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 8784.479052][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 8784.479182][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 8784.479313][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 8784.479443][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 8784.479644][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 8784.479776][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 8784.479938][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 8784.480098][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 8784.480296][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 8784.480433][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 8784.480562][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 8784.480692][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 8784.480893][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 8784.481026][ C2] process_one_work (kernel/workqueue.c:3254) [ 8784.481159][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 8784.481289][ C2] ? assign_work (kernel/workqueue.c:1209) [ 8784.481424][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 8784.481623][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 8784.481784][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8784.481914][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8784.482042][ C2] kthread (kernel/kthread.c:388) [ 8784.482286][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 8784.482418][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 8784.482547][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 8784.482675][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 8812.469818][ C2] hardirqs last enabled at (6952496): irqentry_exit (kernel/entry/common.c:352) | [ 8812.470048][ C2] hardirqs last disabled at (6952497): sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043) | [ 8812.470307][ C2] softirqs last enabled at (4804798): neigh_resolve_output (net/core/neighbour.c:1539 net/core/neighbour.c:1553 net/core/neighbour.c:1543) | [ 8812.470566][ C2] softirqs last disabled at (4804802): __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:833 net/core/dev.c:4260) [ 8812.471024][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 8812.471387][ C2] Workqueue: mld mld_ifc_work [ 8812.471523][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 8812.471662][ C2] Code: 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 29 f0 0f b7 c8 <39> ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 89 04 24 e8 All code ======== 0: 05 80 fa 03 7e add $0x7e03fa80,%eax 5: 36 8b 55 28 ss mov 0x28(%rbp),%edx 9: 44 39 ea cmp %r13d,%edx c: 76 15 jbe 0x23 e: 48 83 c4 10 add $0x10,%rsp 12: 5d pop %rbp 13: 41 5c pop %r12 15: 41 5d pop %r13 17: c3 ret 18: cc int3 19: cc int3 1a: cc int3 1b: cc int3 1c: 31 c0 xor %eax,%eax 1e: 45 31 ed xor %r13d,%r13d 21: eb 92 jmp 0xffffffffffffffb5 23: 89 d6 mov %edx,%esi 25: 29 f0 sub %esi,%eax 27: 0f b7 c8 movzwl %ax,%ecx 2a:* 39 ca cmp %ecx,%edx <-- trapping instruction 2c: 76 f7 jbe 0x25 2e: 48 83 c4 10 add $0x10,%rsp 32: 5d pop %rbp 33: 41 5c pop %r12 35: 41 5d pop %r13 37: c3 ret 38: cc int3 39: cc int3 3a: cc int3 3b: cc int3 3c: 89 04 24 mov %eax,(%rsp) 3f: e8 .byte 0xe8 Code starting with the faulting instruction =========================================== 0: 39 ca cmp %ecx,%edx 2: 76 f7 jbe 0xfffffffffffffffb 4: 48 83 c4 10 add $0x10,%rsp 8: 5d pop %rbp 9: 41 5c pop %r12 b: 41 5d pop %r13 d: c3 ret e: cc int3 f: cc int3 10: cc int3 11: cc int3 12: 89 04 24 mov %eax,(%rsp) 15: e8 .byte 0xe8 [ 8812.472195][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 8812.472358][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 8812.472623][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 8812.472817][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 8812.473012][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 8812.473277][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 8812.473468][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 8812.473692][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8812.473937][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 8812.474139][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 8812.474349][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 8812.474540][ C2] PKRU: 55555554 [ 8812.474636][ C2] Call Trace: [ 8812.474735][ C2] [ 8812.474805][ C2] ? watchdog_timer_fn (kernel/watchdog.c:548) [ 8812.474940][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 8812.475071][ C2] ? __pfx_watchdog_timer_fn (kernel/watchdog.c:466) [ 8812.475199][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 8812.475329][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 8812.475458][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 8812.475590][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 8812.475752][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 8812.475884][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 8812.476117][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 8812.476277][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 8812.476438][ C2] [ 8812.476504][ C2] [ 8812.476569][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 8812.476808][ C2] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 8812.476940][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 8812.477103][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 8812.477236][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 8812.477441][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 8812.477538][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 8812.477667][ C2] ? eth_header (net/ethernet/eth.c:100) [ 8812.477797][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 8812.478067][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 8812.478198][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 8812.478335][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 8812.478466][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 8812.478564][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 8812.478765][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 8812.478894][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 8812.479023][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 8812.479152][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 8812.479355][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 8812.479483][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 8812.479614][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 8812.479776][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 8812.480008][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 8812.480139][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 8812.480269][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 8812.480399][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 8812.480600][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 8812.480733][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 8812.480862][ C2] process_one_work (kernel/workqueue.c:3254) [ 8812.480993][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 8812.481196][ C2] ? assign_work (kernel/workqueue.c:1209) [ 8812.481325][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 8812.481453][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 8812.481613][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8812.481829][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8812.481962][ C2] kthread (kernel/kthread.c:388) [ 8812.482062][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 8812.482191][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 8812.482320][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 8812.482448][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 8812.482580][ C2] | [ 8835.743773][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 8835.744077][ C2] rcu: 2-....: (1 GPs behind) idle=a8f4/1/0x4000000000000000 softirq=1873706/1873706 fqs=1258678 | [ 8835.744361][ C2] rcu: (t=3692887 jiffies g=3277105 q=78849 ncpus=4) [ 8835.744776][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 8835.745086][ C2] Workqueue: mld mld_ifc_work [ 8835.745235][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8835.745469][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 8835.745956][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 8835.746212][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 8835.746417][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 8835.746624][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 8835.746920][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 8835.747125][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 8835.747329][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 8835.747566][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8835.747740][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 8835.747949][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 8835.748152][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 8835.748357][ C2] PKRU: 55555554 [ 8835.748459][ C2] Call Trace: [ 8835.748644][ C2] [ 8835.748720][ C2] ? rcu_dump_cpu_stacks (kernel/rcu/tree_stall.h:379) [ 8835.748862][ C2] ? print_cpu_stall (kernel/rcu/tree_stall.h:699) [ 8835.749000][ C2] ? check_cpu_stall (kernel/rcu/tree_stall.h:799 (discriminator 2)) [ 8835.749138][ C2] ? debug_object_deactivate (lib/debugobjects.c:779) [ 8835.749437][ C2] ? rcu_pending (kernel/rcu/tree.c:3941 (discriminator 31)) [ 8835.749573][ C2] ? rcu_sched_clock_irq (kernel/rcu/tree.c:2297 (discriminator 22)) [ 8835.749711][ C2] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 8835.749851][ C2] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 8835.750075][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 8835.750212][ C2] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 8835.750350][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 8835.750488][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 8835.750625][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 8835.750846][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 8835.751018][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 8835.751157][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 8835.751408][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 8835.751578][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 8835.751751][ C2] [ 8835.751821][ C2] [ 8835.751891][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 8835.752147][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8835.752284][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 8835.752459][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 8835.752600][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 8835.752820][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 8835.752925][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 8835.753062][ C2] ? eth_header (net/ethernet/eth.c:100) [ 8835.753200][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 8835.753417][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 8835.753557][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 8835.753700][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 8835.753841][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 8835.753946][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 8835.754173][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 8835.754311][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 8835.754448][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 8835.754583][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 8835.754810][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 8835.754948][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 8835.755087][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 8835.755259][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 8835.755511][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 8835.755647][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 8835.755787][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 8835.755925][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 8835.756142][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 8835.756280][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 8835.756418][ C2] process_one_work (kernel/workqueue.c:3254) [ 8835.756559][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 8835.756779][ C2] ? assign_work (kernel/workqueue.c:1209) [ 8835.756916][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 8835.757053][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 8835.757224][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8835.757442][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8835.757578][ C2] kthread (kernel/kthread.c:388) [ 8835.757801][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 8835.757943][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 8835.758079][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 8835.758296][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 8844.613789][ T18] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 3671255 jiffies s: 809 root: 0x4/. | [ 8844.614197][ T18] rcu: blocking rcu_node structures (internal RCU debug): | [ 8844.614385][ T18] Sending NMI from CPU 0 to CPUs 2: | [ 8844.614505][ C2] NMI backtrace for cpu 2 [ 8844.614516][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 8844.614520][ C2] Workqueue: mld mld_ifc_work [ 8844.614530][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8844.614537][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 8844.614540][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 8844.614543][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 8844.614545][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 8844.614547][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 8844.614548][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 8844.614550][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 8844.614552][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 8844.614554][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8844.614557][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 8844.614559][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 8844.614560][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 8844.614562][ C2] PKRU: 55555554 [ 8844.614563][ C2] Call Trace: [ 8844.614566][ C2] [ 8844.614570][ C2] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 8844.614575][ C2] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 8844.614582][ C2] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 8844.614588][ C2] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 8844.614594][ C2] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 8844.614597][ C2] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 8844.614605][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8844.614608][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8844.614611][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8844.614614][ C2] [ 8844.614615][ C2] [ 8844.614616][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 8844.614622][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 8844.614629][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 8844.614633][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 8844.614636][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 8844.614639][ C2] ? eth_header (net/ethernet/eth.c:100) [ 8844.614645][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 8844.614649][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 8844.614655][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 8844.614664][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 8844.614669][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 8844.614672][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 8844.614676][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 8844.614679][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 8844.614683][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 8844.614686][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 8844.614690][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 8844.614694][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 8844.614697][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 8844.614703][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 8844.614707][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 8844.614709][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 8844.614714][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 8844.614718][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 8844.614723][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 8844.614727][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 8844.614731][ C2] process_one_work (kernel/workqueue.c:3254) [ 8844.614739][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 8844.614744][ C2] ? assign_work (kernel/workqueue.c:1209) [ 8844.614747][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 8844.614751][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 8844.614755][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8844.614758][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8844.614761][ C2] kthread (kernel/kthread.c:388) [ 8844.614765][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 8844.614768][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 8844.614773][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 8844.614775][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 8872.469827][ C2] hardirqs last enabled at (6952496): irqentry_exit (kernel/entry/common.c:352) | [ 8872.470130][ C2] hardirqs last disabled at (6952497): sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043) | [ 8872.470388][ C2] softirqs last enabled at (4804798): neigh_resolve_output (net/core/neighbour.c:1539 net/core/neighbour.c:1553 net/core/neighbour.c:1543) | [ 8872.470715][ C2] softirqs last disabled at (4804802): __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:833 net/core/dev.c:4260) [ 8872.471242][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 8872.471532][ C2] Workqueue: mld mld_ifc_work [ 8872.471668][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 8872.471888][ C2] Code: 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 29 f0 0f b7 c8 <39> ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 89 04 24 e8 All code ======== 0: 05 80 fa 03 7e add $0x7e03fa80,%eax 5: 36 8b 55 28 ss mov 0x28(%rbp),%edx 9: 44 39 ea cmp %r13d,%edx c: 76 15 jbe 0x23 e: 48 83 c4 10 add $0x10,%rsp 12: 5d pop %rbp 13: 41 5c pop %r12 15: 41 5d pop %r13 17: c3 ret 18: cc int3 19: cc int3 1a: cc int3 1b: cc int3 1c: 31 c0 xor %eax,%eax 1e: 45 31 ed xor %r13d,%r13d 21: eb 92 jmp 0xffffffffffffffb5 23: 89 d6 mov %edx,%esi 25: 29 f0 sub %esi,%eax 27: 0f b7 c8 movzwl %ax,%ecx 2a:* 39 ca cmp %ecx,%edx <-- trapping instruction 2c: 76 f7 jbe 0x25 2e: 48 83 c4 10 add $0x10,%rsp 32: 5d pop %rbp 33: 41 5c pop %r12 35: 41 5d pop %r13 37: c3 ret 38: cc int3 39: cc int3 3a: cc int3 3b: cc int3 3c: 89 04 24 mov %eax,(%rsp) 3f: e8 .byte 0xe8 Code starting with the faulting instruction =========================================== 0: 39 ca cmp %ecx,%edx 2: 76 f7 jbe 0xfffffffffffffffb 4: 48 83 c4 10 add $0x10,%rsp 8: 5d pop %rbp 9: 41 5c pop %r12 b: 41 5d pop %r13 d: c3 ret e: cc int3 f: cc int3 10: cc int3 11: cc int3 12: 89 04 24 mov %eax,(%rsp) 15: e8 .byte 0xe8 [ 8872.472342][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 8872.472507][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 8872.472699][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 8872.472894][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 8872.473086][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 8872.473277][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 8872.473473][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 8872.473699][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8872.473870][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 8872.474140][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 8872.474331][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 8872.474529][ C2] PKRU: 55555554 [ 8872.474626][ C2] Call Trace: [ 8872.474795][ C2] [ 8872.474863][ C2] ? watchdog_timer_fn (kernel/watchdog.c:548) [ 8872.474996][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 8872.475126][ C2] ? __pfx_watchdog_timer_fn (kernel/watchdog.c:466) [ 8872.475255][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 8872.475457][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 8872.475588][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 8872.475719][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 8872.475881][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 8872.476081][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 8872.476244][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 8872.476407][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 8872.476640][ C2] [ 8872.476705][ C2] [ 8872.476772][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 8872.476936][ C2] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 8872.477065][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 8872.477301][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 8872.477432][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 8872.477561][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 8872.477659][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 8872.477898][ C2] ? eth_header (net/ethernet/eth.c:100) [ 8872.478032][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 8872.478161][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 8872.478294][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 8872.478426][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 8872.478555][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 8872.478654][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 8872.478782][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 8872.478910][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 8872.479041][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 8872.479173][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 8872.479302][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 8872.479431][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 8872.479630][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 8872.479791][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 8872.479953][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 8872.480081][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 8872.480284][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 8872.480414][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 8872.480544][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 8872.480673][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 8872.480915][ C2] process_one_work (kernel/workqueue.c:3254) [ 8872.481048][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 8872.481179][ C2] ? assign_work (kernel/workqueue.c:1209) [ 8872.481308][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 8872.481437][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 8872.481600][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8872.481731][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8872.481860][ C2] kthread (kernel/kthread.c:388) [ 8872.481959][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 8872.482088][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 8872.482217][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 8872.482344][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 8900.469895][ C2] hardirqs last enabled at (6952496): irqentry_exit (kernel/entry/common.c:352) | [ 8900.470129][ C2] hardirqs last disabled at (6952497): sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043) | [ 8900.470457][ C2] softirqs last enabled at (4804798): neigh_resolve_output (net/core/neighbour.c:1539 net/core/neighbour.c:1553 net/core/neighbour.c:1543) | [ 8900.470715][ C2] softirqs last disabled at (4804802): __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:833 net/core/dev.c:4260) [ 8900.471241][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 8900.471531][ C2] Workqueue: mld mld_ifc_work [ 8900.471742][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8900.471880][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 8900.472406][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 8900.472571][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 8900.472765][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 8900.473032][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 8900.473224][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 8900.473415][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 8900.473683][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 8900.473912][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8900.474146][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 8900.474339][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 8900.474530][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 8900.474907][ C2] PKRU: 55555554 [ 8900.475004][ C2] Call Trace: [ 8900.475100][ C2] [ 8900.475168][ C2] ? watchdog_timer_fn (kernel/watchdog.c:548) [ 8900.475302][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 8900.475432][ C2] ? __pfx_watchdog_timer_fn (kernel/watchdog.c:466) [ 8900.475563][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 8900.475692][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 8900.475823][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 8900.475954][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 8900.476115][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 8900.476245][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 8900.476409][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 8900.476569][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 8900.476728][ C2] [ 8900.476797][ C2] [ 8900.476863][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 8900.477025][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8900.477226][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 8900.477390][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 8900.477521][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 8900.477649][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 8900.477822][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 8900.477951][ C2] ? eth_header (net/ethernet/eth.c:100) [ 8900.478084][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 8900.478216][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 8900.478347][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 8900.478478][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 8900.478608][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 8900.478706][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 8900.478835][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 8900.478966][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 8900.479096][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 8900.479224][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 8900.479353][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 8900.479482][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 8900.479610][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 8900.479773][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 8900.479933][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 8900.480131][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 8900.480263][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 8900.480394][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 8900.480524][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 8900.480727][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 8900.480856][ C2] process_one_work (kernel/workqueue.c:3254) [ 8900.480987][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 8900.481118][ C2] ? assign_work (kernel/workqueue.c:1209) [ 8900.481317][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 8900.481446][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 8900.481610][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8900.481739][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8900.481938][ C2] kthread (kernel/kthread.c:388) [ 8900.482036][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 8900.482164][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 8900.482292][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 8900.482419][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 8900.482628][ C2] | [ 8913.761781][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 8913.762140][ C2] rcu: 2-....: (1 GPs behind) idle=a8f4/1/0x4000000000000000 softirq=1873706/1873706 fqs=1293811 | [ 8913.762497][ C2] rcu: (t=3770905 jiffies g=3277105 q=80308 ncpus=4) [ 8913.762920][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 8913.763314][ C2] Workqueue: mld mld_ifc_work [ 8913.763463][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8913.763617][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 8913.764221][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 8913.764397][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 8913.764603][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 8913.764809][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 8913.765014][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 8913.765221][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 8913.765427][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 8913.765749][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8913.765922][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 8913.766127][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 8913.766413][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 8913.766624][ C2] PKRU: 55555554 [ 8913.766727][ C2] Call Trace: [ 8913.766831][ C2] [ 8913.766903][ C2] ? rcu_dump_cpu_stacks (kernel/rcu/tree_stall.h:379) [ 8913.767128][ C2] ? print_cpu_stall (kernel/rcu/tree_stall.h:699) [ 8913.767267][ C2] ? check_cpu_stall (kernel/rcu/tree_stall.h:799 (discriminator 2)) [ 8913.767403][ C2] ? debug_object_deactivate (lib/debugobjects.c:779) [ 8913.767544][ C2] ? rcu_pending (kernel/rcu/tree.c:3941 (discriminator 31)) [ 8913.767764][ C2] ? rcu_sched_clock_irq (kernel/rcu/tree.c:2297 (discriminator 22)) [ 8913.767901][ C2] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 8913.768038][ C2] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 8913.768176][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 8913.768392][ C2] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 8913.768529][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 8913.768669][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 8913.768805][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 8913.768947][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 8913.769200][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 8913.769339][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 8913.769512][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 8913.769761][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 8913.769933][ C2] [ 8913.770003][ C2] [ 8913.770073][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 8913.770249][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8913.770468][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 8913.770642][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 8913.770786][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 8913.770922][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 8913.771110][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 8913.771247][ C2] ? eth_header (net/ethernet/eth.c:100) [ 8913.771385][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 8913.771526][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 8913.771745][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 8913.771885][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 8913.772023][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 8913.772127][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 8913.772264][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 8913.772481][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 8913.772620][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 8913.772759][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 8913.772896][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 8913.773115][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 8913.773252][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 8913.773423][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 8913.773594][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 8913.773815][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 8913.773954][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 8913.774095][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 8913.774233][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 8913.774532][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 8913.774671][ C2] process_one_work (kernel/workqueue.c:3254) [ 8913.774811][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 8913.774950][ C2] ? assign_work (kernel/workqueue.c:1209) [ 8913.775167][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 8913.775304][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 8913.775477][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8913.775616][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8913.775848][ C2] kthread (kernel/kthread.c:388) [ 8913.775954][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 8913.776091][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 8913.776227][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 8913.776362][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 8940.469826][ C2] hardirqs last enabled at (6952496): irqentry_exit (kernel/entry/common.c:352) | [ 8940.470058][ C2] hardirqs last disabled at (6952497): sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043) | [ 8940.470389][ C2] softirqs last enabled at (4804798): neigh_resolve_output (net/core/neighbour.c:1539 net/core/neighbour.c:1553 net/core/neighbour.c:1543) | [ 8940.470646][ C2] softirqs last disabled at (4804802): __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:833 net/core/dev.c:4260) [ 8940.471172][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 8940.471464][ C2] Workqueue: mld mld_ifc_work [ 8940.471602][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8940.471738][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 8940.472191][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 8940.472357][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 8940.472552][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 8940.472744][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 8940.472937][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 8940.473202][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 8940.473399][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 8940.473812][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8940.473980][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 8940.474174][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 8940.474370][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 8940.474565][ C2] PKRU: 55555554 [ 8940.474663][ C2] Call Trace: [ 8940.474760][ C2] [ 8940.474828][ C2] ? watchdog_timer_fn (kernel/watchdog.c:548) [ 8940.474962][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 8940.475094][ C2] ? __pfx_watchdog_timer_fn (kernel/watchdog.c:466) [ 8940.475226][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 8940.475356][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 8940.475488][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 8940.475619][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 8940.475780][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 8940.475910][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 8940.476147][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 8940.476307][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 8940.476466][ C2] [ 8940.476532][ C2] [ 8940.476599][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 8940.476920][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8940.477052][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 8940.477213][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 8940.477345][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 8940.477474][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 8940.477572][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 8940.477700][ C2] ? eth_header (net/ethernet/eth.c:100) [ 8940.477835][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 8940.477964][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 8940.478094][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 8940.478226][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 8940.478355][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 8940.478454][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 8940.478583][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 8940.478714][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 8940.478846][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 8940.478975][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 8940.479176][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 8940.479304][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 8940.479433][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 8940.479597][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 8940.479831][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 8940.479958][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 8940.480095][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 8940.480224][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 8940.480425][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 8940.480559][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 8940.480689][ C2] process_one_work (kernel/workqueue.c:3254) [ 8940.480821][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 8940.481023][ C2] ? assign_work (kernel/workqueue.c:1209) [ 8940.481153][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 8940.481282][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 8940.481448][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8940.481650][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8940.481778][ C2] kthread (kernel/kthread.c:388) [ 8940.481878][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 8940.482007][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 8940.482136][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 8940.482336][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 8942.917797][ T18] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 3769559 jiffies s: 809 root: 0x4/. | [ 8942.918214][ T18] rcu: blocking rcu_node structures (internal RCU debug): | [ 8942.918346][ T18] Sending NMI from CPU 0 to CPUs 2: | [ 8942.918469][ C2] NMI backtrace for cpu 2 [ 8942.918478][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 8942.918481][ C2] Workqueue: mld mld_ifc_work [ 8942.918490][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 8942.918495][ C2] Code: 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 29 f0 0f b7 c8 <39> ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 89 04 24 e8 All code ======== 0: 05 80 fa 03 7e add $0x7e03fa80,%eax 5: 36 8b 55 28 ss mov 0x28(%rbp),%edx 9: 44 39 ea cmp %r13d,%edx c: 76 15 jbe 0x23 e: 48 83 c4 10 add $0x10,%rsp 12: 5d pop %rbp 13: 41 5c pop %r12 15: 41 5d pop %r13 17: c3 ret 18: cc int3 19: cc int3 1a: cc int3 1b: cc int3 1c: 31 c0 xor %eax,%eax 1e: 45 31 ed xor %r13d,%r13d 21: eb 92 jmp 0xffffffffffffffb5 23: 89 d6 mov %edx,%esi 25: 29 f0 sub %esi,%eax 27: 0f b7 c8 movzwl %ax,%ecx 2a:* 39 ca cmp %ecx,%edx <-- trapping instruction 2c: 76 f7 jbe 0x25 2e: 48 83 c4 10 add $0x10,%rsp 32: 5d pop %rbp 33: 41 5c pop %r12 35: 41 5d pop %r13 37: c3 ret 38: cc int3 39: cc int3 3a: cc int3 3b: cc int3 3c: 89 04 24 mov %eax,(%rsp) 3f: e8 .byte 0xe8 Code starting with the faulting instruction =========================================== 0: 39 ca cmp %ecx,%edx 2: 76 f7 jbe 0xfffffffffffffffb 4: 48 83 c4 10 add $0x10,%rsp 8: 5d pop %rbp 9: 41 5c pop %r12 b: 41 5d pop %r13 d: c3 ret e: cc int3 f: cc int3 10: cc int3 11: cc int3 12: 89 04 24 mov %eax,(%rsp) 15: e8 .byte 0xe8 [ 8942.918498][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 8942.918501][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 8942.918503][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 8942.918505][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 8942.918506][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 8942.918508][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 8942.918509][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 8942.918512][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8942.918514][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 8942.918516][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 8942.918518][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 8942.918519][ C2] PKRU: 55555554 [ 8942.918520][ C2] Call Trace: [ 8942.918523][ C2] [ 8942.918526][ C2] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 8942.918531][ C2] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 8942.918538][ C2] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 8942.918544][ C2] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 8942.918550][ C2] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 8942.918552][ C2] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 8942.918560][ C2] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 8942.918563][ C2] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 8942.918566][ C2] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 8942.918568][ C2] [ 8942.918569][ C2] [ 8942.918571][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 8942.918577][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 8942.918583][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 8942.918586][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 8942.918589][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 8942.918592][ C2] ? eth_header (net/ethernet/eth.c:100) [ 8942.918597][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 8942.918601][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 8942.918607][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 8942.918614][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 8942.918618][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 8942.918622][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 8942.918626][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 8942.918629][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 8942.918632][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 8942.918635][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 8942.918639][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 8942.918642][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 8942.918645][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 8942.918651][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 8942.918654][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 8942.918656][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 8942.918661][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 8942.918665][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 8942.918670][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 8942.918674][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 8942.918677][ C2] process_one_work (kernel/workqueue.c:3254) [ 8942.918684][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 8942.918689][ C2] ? assign_work (kernel/workqueue.c:1209) [ 8942.918692][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 8942.918696][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 8942.918700][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8942.918703][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8942.918706][ C2] kthread (kernel/kthread.c:388) [ 8942.918710][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 8942.918713][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 8942.918716][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 8942.918719][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 8968.470014][ C2] hardirqs last enabled at (6952496): irqentry_exit (kernel/entry/common.c:352) | [ 8968.470244][ C2] hardirqs last disabled at (6952497): sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043) | [ 8968.470510][ C2] softirqs last enabled at (4804798): neigh_resolve_output (net/core/neighbour.c:1539 net/core/neighbour.c:1553 net/core/neighbour.c:1543) | [ 8968.470770][ C2] softirqs last disabled at (4804802): __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:833 net/core/dev.c:4260) [ 8968.471374][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 8968.471662][ C2] Workqueue: mld mld_ifc_work [ 8968.471799][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8968.472009][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 8968.472538][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 8968.472703][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 8968.472894][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 8968.473160][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 8968.473354][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 8968.473572][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 8968.473854][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 8968.474079][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8968.474241][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 8968.474442][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 8968.474633][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 8968.474827][ C2] PKRU: 55555554 [ 8968.474925][ C2] Call Trace: [ 8968.475025][ C2] [ 8968.475092][ C2] ? watchdog_timer_fn (kernel/watchdog.c:548) [ 8968.475230][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 8968.475363][ C2] ? __pfx_watchdog_timer_fn (kernel/watchdog.c:466) [ 8968.475493][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 8968.475622][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 8968.475751][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 8968.475883][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 8968.476119][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 8968.476250][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 8968.476413][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 8968.476575][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 8968.476808][ C2] [ 8968.476873][ C2] [ 8968.476939][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 8968.477104][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8968.477233][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 8968.477465][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 8968.477600][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 8968.477730][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 8968.477829][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 8968.478031][ C2] ? eth_header (net/ethernet/eth.c:100) [ 8968.478162][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 8968.478290][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 8968.478421][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 8968.478623][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 8968.478752][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 8968.478854][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 8968.478983][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 8968.479111][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 8968.479310][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 8968.479437][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 8968.479567][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 8968.479698][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 8968.479933][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 8968.480096][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 8968.480257][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 8968.480384][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 8968.480515][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 8968.480647][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 8968.480777][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 8968.480908][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 8968.481037][ C2] process_one_work (kernel/workqueue.c:3254) [ 8968.481172][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 8968.481303][ C2] ? assign_work (kernel/workqueue.c:1209) [ 8968.481435][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 8968.481635][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 8968.481797][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8968.481926][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8968.482054][ C2] kthread (kernel/kthread.c:388) [ 8968.482153][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 8968.482354][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 8968.482488][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 8968.482615][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 8968.482748][ C2] | [ 8991.779773][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 8991.780121][ C2] rcu: 2-....: (1 GPs behind) idle=a8f4/1/0x4000000000000000 softirq=1873706/1873706 fqs=1329971 | [ 8991.780402][ C2] rcu: (t=3848923 jiffies g=3277105 q=81767 ncpus=4) [ 8991.780823][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 8991.781243][ C2] Workqueue: mld mld_ifc_work [ 8991.781406][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8991.781561][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 8991.782156][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 8991.782339][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 8991.782635][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 8991.782849][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 8991.783065][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 8991.783369][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 8991.783585][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 8991.783832][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8991.784096][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 8991.784313][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 8991.784530][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 8991.784824][ C2] PKRU: 55555554 [ 8991.784932][ C2] Call Trace: [ 8991.785039][ C2] [ 8991.785114][ C2] ? rcu_dump_cpu_stacks (kernel/rcu/tree_stall.h:379) [ 8991.785261][ C2] ? print_cpu_stall (kernel/rcu/tree_stall.h:699) [ 8991.785490][ C2] ? check_cpu_stall (kernel/rcu/tree_stall.h:799 (discriminator 2)) [ 8991.785633][ C2] ? debug_object_deactivate (lib/debugobjects.c:779) [ 8991.785779][ C2] ? rcu_pending (kernel/rcu/tree.c:3941 (discriminator 31)) [ 8991.785921][ C2] ? rcu_sched_clock_irq (kernel/rcu/tree.c:2297 (discriminator 22)) [ 8991.786145][ C2] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 8991.786289][ C2] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 8991.786436][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 8991.786578][ C2] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 8991.786810][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 8991.786955][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 8991.787097][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 8991.787241][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 8991.787425][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 8991.787569][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 8991.787748][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 8991.787928][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 8991.788108][ C2] [ 8991.788181][ C2] [ 8991.788253][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 8991.788437][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8991.788579][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 8991.788932][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 8991.789080][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 8991.789225][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 8991.789334][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 8991.789481][ C2] ? eth_header (net/ethernet/eth.c:100) [ 8991.789626][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 8991.789769][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 8991.789915][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 8991.790061][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 8991.790204][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 8991.790316][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 8991.790461][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 8991.790604][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 8991.790828][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 8991.790975][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 8991.791118][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 8991.791261][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 8991.791489][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 8991.791669][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 8991.791851][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 8991.791993][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 8991.792218][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 8991.792377][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 8991.792521][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 8991.792666][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 8991.792907][ C2] process_one_work (kernel/workqueue.c:3254) [ 8991.793054][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 8991.793202][ C2] ? assign_work (kernel/workqueue.c:1209) [ 8991.793352][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 8991.793497][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 8991.793675][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8991.793818][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8991.793960][ C2] kthread (kernel/kthread.c:388) [ 8991.794070][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 8991.794211][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 8991.794359][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 8991.794500][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 9016.469850][ C2] hardirqs last enabled at (6952496): irqentry_exit (kernel/entry/common.c:352) | [ 9016.470081][ C2] hardirqs last disabled at (6952497): sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043) | [ 9016.470337][ C2] softirqs last enabled at (4804798): neigh_resolve_output (net/core/neighbour.c:1539 net/core/neighbour.c:1553 net/core/neighbour.c:1543) | [ 9016.470596][ C2] softirqs last disabled at (4804802): __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:833 net/core/dev.c:4260) [ 9016.471167][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 9016.471456][ C2] Workqueue: mld mld_ifc_work [ 9016.471594][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 9016.471730][ C2] Code: 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 29 f0 0f b7 c8 <39> ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 89 04 24 e8 All code ======== 0: 05 80 fa 03 7e add $0x7e03fa80,%eax 5: 36 8b 55 28 ss mov 0x28(%rbp),%edx 9: 44 39 ea cmp %r13d,%edx c: 76 15 jbe 0x23 e: 48 83 c4 10 add $0x10,%rsp 12: 5d pop %rbp 13: 41 5c pop %r12 15: 41 5d pop %r13 17: c3 ret 18: cc int3 19: cc int3 1a: cc int3 1b: cc int3 1c: 31 c0 xor %eax,%eax 1e: 45 31 ed xor %r13d,%r13d 21: eb 92 jmp 0xffffffffffffffb5 23: 89 d6 mov %edx,%esi 25: 29 f0 sub %esi,%eax 27: 0f b7 c8 movzwl %ax,%ecx 2a:* 39 ca cmp %ecx,%edx <-- trapping instruction 2c: 76 f7 jbe 0x25 2e: 48 83 c4 10 add $0x10,%rsp 32: 5d pop %rbp 33: 41 5c pop %r12 35: 41 5d pop %r13 37: c3 ret 38: cc int3 39: cc int3 3a: cc int3 3b: cc int3 3c: 89 04 24 mov %eax,(%rsp) 3f: e8 .byte 0xe8 Code starting with the faulting instruction =========================================== 0: 39 ca cmp %ecx,%edx 2: 76 f7 jbe 0xfffffffffffffffb 4: 48 83 c4 10 add $0x10,%rsp 8: 5d pop %rbp 9: 41 5c pop %r12 b: 41 5d pop %r13 d: c3 ret e: cc int3 f: cc int3 10: cc int3 11: cc int3 12: 89 04 24 mov %eax,(%rsp) 15: e8 .byte 0xe8 [ 9016.472188][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 9016.472352][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 9016.472544][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 9016.472736][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 9016.472933][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 9016.473277][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 9016.473472][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 9016.473696][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9016.473932][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 9016.474134][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 9016.474327][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 9016.474590][ C2] PKRU: 55555554 [ 9016.474687][ C2] Call Trace: [ 9016.474784][ C2] [ 9016.474854][ C2] ? watchdog_timer_fn (kernel/watchdog.c:548) [ 9016.474988][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 9016.475191][ C2] ? __pfx_watchdog_timer_fn (kernel/watchdog.c:466) [ 9016.475321][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 9016.475451][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 9016.475580][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 9016.475781][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 9016.475949][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 9016.476079][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 9016.476244][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 9016.476406][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 9016.476566][ C2] [ 9016.476635][ C2] [ 9016.476700][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 9016.476864][ C2] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 9016.477065][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 9016.477227][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 9016.477360][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 9016.477489][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 9016.477662][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 9016.477791][ C2] ? eth_header (net/ethernet/eth.c:100) [ 9016.477922][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 9016.478051][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 9016.478252][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 9016.478383][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 9016.478516][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 9016.478616][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 9016.478745][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 9016.478988][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 9016.479117][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 9016.479246][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 9016.479375][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 9016.479507][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 9016.479636][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 9016.479800][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 9016.479960][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 9016.480088][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 9016.480221][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 9016.480351][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 9016.480480][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 9016.480610][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 9016.480739][ C2] process_one_work (kernel/workqueue.c:3254) [ 9016.480871][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 9016.481004][ C2] ? assign_work (kernel/workqueue.c:1209) [ 9016.481207][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 9016.481335][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 9016.481495][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9016.481624][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9016.481832][ C2] kthread (kernel/kthread.c:388) [ 9016.481930][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 9016.482064][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 9016.482193][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 9016.482321][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 9041.221787][ T18] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 3867863 jiffies s: 809 root: 0x4/. | [ 9041.222225][ T18] rcu: blocking rcu_node structures (internal RCU debug): | [ 9041.222359][ T18] Sending NMI from CPU 0 to CPUs 2: | [ 9041.222483][ C2] NMI backtrace for cpu 2 [ 9041.222497][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 9041.222501][ C2] Workqueue: mld mld_ifc_work [ 9041.222516][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9041.222524][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 9041.222527][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 9041.222529][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 9041.222532][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 9041.222533][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 9041.222535][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 9041.222537][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 9041.222539][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 9041.222541][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9041.222545][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 9041.222546][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 9041.222548][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 9041.222549][ C2] PKRU: 55555554 [ 9041.222550][ C2] Call Trace: [ 9041.222554][ C2] [ 9041.222564][ C2] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 9041.222570][ C2] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 9041.222577][ C2] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 9041.222583][ C2] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 9041.222589][ C2] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 9041.222592][ C2] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 9041.222600][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9041.222603][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9041.222606][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9041.222609][ C2] [ 9041.222610][ C2] [ 9041.222611][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 9041.222617][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 9041.222624][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 9041.222628][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 9041.222632][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 9041.222635][ C2] ? eth_header (net/ethernet/eth.c:100) [ 9041.222640][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 9041.222644][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 9041.222651][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 9041.222660][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 9041.222665][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 9041.222669][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 9041.222673][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 9041.222676][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 9041.222679][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 9041.222682][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 9041.222687][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 9041.222690][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 9041.222693][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 9041.222699][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 9041.222702][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 9041.222704][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 9041.222710][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 9041.222714][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 9041.222719][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 9041.222723][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 9041.222726][ C2] process_one_work (kernel/workqueue.c:3254) [ 9041.222734][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 9041.222739][ C2] ? assign_work (kernel/workqueue.c:1209) [ 9041.222743][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 9041.222746][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 9041.222751][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9041.222754][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9041.222756][ C2] kthread (kernel/kthread.c:388) [ 9041.222760][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 9041.222762][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 9041.222766][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 9041.222769][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 9068.469896][ C2] hardirqs last enabled at (6952496): irqentry_exit (kernel/entry/common.c:352) | [ 9068.470127][ C2] hardirqs last disabled at (6952497): sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043) | [ 9068.470384][ C2] softirqs last enabled at (4804798): neigh_resolve_output (net/core/neighbour.c:1539 net/core/neighbour.c:1553 net/core/neighbour.c:1543) | [ 9068.470718][ C2] softirqs last disabled at (4804802): __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:833 net/core/dev.c:4260) [ 9068.471171][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 9068.471530][ C2] Workqueue: mld mld_ifc_work [ 9068.471669][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9068.471804][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 9068.472331][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 9068.472567][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 9068.472760][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 9068.472961][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 9068.473225][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 9068.473416][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 9068.473616][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 9068.473922][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9068.474084][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 9068.474277][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 9068.474469][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 9068.474661][ C2] PKRU: 55555554 [ 9068.474762][ C2] Call Trace: [ 9068.474859][ C2] [ 9068.474927][ C2] ? watchdog_timer_fn (kernel/watchdog.c:548) [ 9068.475060][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 9068.475190][ C2] ? __pfx_watchdog_timer_fn (kernel/watchdog.c:466) [ 9068.475319][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 9068.475448][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 9068.475579][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 9068.475712][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 9068.475874][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 9068.476076][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 9068.476238][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 9068.476398][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 9068.476559][ C2] [ 9068.476695][ C2] [ 9068.476760][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 9068.476926][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9068.477054][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 9068.477215][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 9068.477498][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 9068.477629][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 9068.477727][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 9068.477855][ C2] ? eth_header (net/ethernet/eth.c:100) [ 9068.478056][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 9068.478187][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 9068.478318][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 9068.478452][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 9068.478652][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 9068.478751][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 9068.478880][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 9068.479009][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 9068.479137][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 9068.479341][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 9068.479472][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 9068.479600][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 9068.479729][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 9068.479961][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 9068.480119][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 9068.480248][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 9068.480379][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 9068.480582][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 9068.480715][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 9068.480844][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 9068.480973][ C2] process_one_work (kernel/workqueue.c:3254) [ 9068.481178][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 9068.481308][ C2] ? assign_work (kernel/workqueue.c:1209) [ 9068.481437][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 9068.481565][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 9068.481800][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9068.481931][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9068.482061][ C2] kthread (kernel/kthread.c:388) [ 9068.482159][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 9068.482288][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 9068.482488][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 9068.482616][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 9068.482750][ C2] | [ 9069.798772][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 9069.799125][ C2] rcu: 2-....: (1 GPs behind) idle=a8f4/1/0x4000000000000000 softirq=1873706/1873706 fqs=1366130 | [ 9069.799397][ C2] rcu: (t=3926942 jiffies g=3277105 q=83226 ncpus=4) [ 9069.799892][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 9069.800200][ C2] Workqueue: mld mld_ifc_work [ 9069.800431][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9069.800576][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 9069.801142][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 9069.801315][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 9069.801523][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 9069.801812][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 9069.802021][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 9069.802226][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 9069.802513][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 9069.802755][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9069.802935][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 9069.803227][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 9069.803431][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 9069.803635][ C2] PKRU: 55555554 [ 9069.803918][ C2] Call Trace: [ 9069.804025][ C2] [ 9069.804096][ C2] ? rcu_dump_cpu_stacks (kernel/rcu/tree_stall.h:379) [ 9069.804237][ C2] ? print_cpu_stall (kernel/rcu/tree_stall.h:699) [ 9069.804375][ C2] ? check_cpu_stall (kernel/rcu/tree_stall.h:799 (discriminator 2)) [ 9069.804512][ C2] ? debug_object_deactivate (lib/debugobjects.c:779) [ 9069.804652][ C2] ? rcu_pending (kernel/rcu/tree.c:3941 (discriminator 31)) [ 9069.804789][ C2] ? rcu_sched_clock_irq (kernel/rcu/tree.c:2297 (discriminator 22)) [ 9069.804928][ C2] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 9069.805070][ C2] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 9069.805208][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 9069.805344][ C2] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 9069.805481][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 9069.805699][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 9069.805840][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 9069.805977][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 9069.806151][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 9069.806369][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 9069.806539][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 9069.806708][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 9069.806882][ C2] [ 9069.807032][ C2] [ 9069.807101][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 9069.807274][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9069.807412][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 9069.807583][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 9069.807805][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 9069.807940][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 9069.808044][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 9069.808182][ C2] ? eth_header (net/ethernet/eth.c:100) [ 9069.808401][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 9069.808537][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 9069.808679][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 9069.808821][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 9069.809040][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 9069.809144][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 9069.809281][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 9069.809418][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 9069.809554][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 9069.809772][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 9069.809909][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 9069.810048][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 9069.810185][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 9069.810436][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 9069.810606][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 9069.810744][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 9069.810883][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 9069.811102][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 9069.811241][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 9069.811380][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 9069.811519][ C2] process_one_work (kernel/workqueue.c:3254) [ 9069.811742][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 9069.811880][ C2] ? assign_work (kernel/workqueue.c:1209) [ 9069.812017][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 9069.812153][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 9069.812406][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9069.812543][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9069.812684][ C2] kthread (kernel/kthread.c:388) [ 9069.812789][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 9069.812926][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 9069.813174][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 9069.813311][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 9096.470009][ C2] hardirqs last enabled at (6952496): irqentry_exit (kernel/entry/common.c:352) | [ 9096.470243][ C2] hardirqs last disabled at (6952497): sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043) | [ 9096.470503][ C2] softirqs last enabled at (4804798): neigh_resolve_output (net/core/neighbour.c:1539 net/core/neighbour.c:1553 net/core/neighbour.c:1543) | [ 9096.470761][ C2] softirqs last disabled at (4804802): __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:833 net/core/dev.c:4260) [ 9096.471287][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 9096.471573][ C2] Workqueue: mld mld_ifc_work [ 9096.471790][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9096.471926][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 9096.472383][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 9096.472545][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 9096.472741][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 9096.472942][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 9096.473133][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 9096.473324][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 9096.473523][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 9096.473750][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9096.473913][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 9096.474181][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 9096.474373][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 9096.474567][ C2] PKRU: 55555554 [ 9096.474737][ C2] Call Trace: [ 9096.474835][ C2] [ 9096.474902][ C2] ? watchdog_timer_fn (kernel/watchdog.c:548) [ 9096.475035][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 9096.475164][ C2] ? __pfx_watchdog_timer_fn (kernel/watchdog.c:466) [ 9096.475364][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 9096.475497][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 9096.475625][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 9096.475755][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 9096.475990][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 9096.476120][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 9096.476282][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 9096.476444][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 9096.476674][ C2] [ 9096.476740][ C2] [ 9096.476805][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 9096.476968][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9096.477100][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 9096.477334][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 9096.477464][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 9096.477592][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 9096.477690][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 9096.477932][ C2] ? eth_header (net/ethernet/eth.c:100) [ 9096.478064][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 9096.478192][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 9096.478714][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 9096.478849][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 9096.478980][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 9096.479079][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 9096.479208][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 9096.479338][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 9096.479469][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 9096.479598][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 9096.479729][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 9096.479859][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 9096.480060][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 9096.480221][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 9096.480383][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 9096.480511][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 9096.480712][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 9096.480842][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 9096.480975][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 9096.481104][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 9096.481306][ C2] process_one_work (kernel/workqueue.c:3254) [ 9096.481438][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 9096.481569][ C2] ? assign_work (kernel/workqueue.c:1209) [ 9096.481697][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 9096.481954][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 9096.482115][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9096.482249][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9096.482377][ C2] kthread (kernel/kthread.c:388) [ 9096.482475][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 9096.482604][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 9096.482733][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 9096.482867][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 9124.469808][ C2] hardirqs last enabled at (6952496): irqentry_exit (kernel/entry/common.c:352) | [ 9124.470043][ C2] hardirqs last disabled at (6952497): sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043) | [ 9124.470373][ C2] softirqs last enabled at (4804798): neigh_resolve_output (net/core/neighbour.c:1539 net/core/neighbour.c:1553 net/core/neighbour.c:1543) | [ 9124.470632][ C2] softirqs last disabled at (4804802): __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:833 net/core/dev.c:4260) [ 9124.471199][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 9124.471489][ C2] Workqueue: mld mld_ifc_work [ 9124.471628][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9124.471767][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 9124.472220][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 9124.472385][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 9124.472581][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 9124.472788][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 9124.472981][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 9124.473246][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 9124.473441][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 9124.473667][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9124.473934][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 9124.474128][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 9124.474321][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 9124.474517][ C2] PKRU: 55555554 [ 9124.474615][ C2] Call Trace: [ 9124.474712][ C2] [ 9124.474779][ C2] ? watchdog_timer_fn (kernel/watchdog.c:548) [ 9124.474913][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 9124.475044][ C2] ? __pfx_watchdog_timer_fn (kernel/watchdog.c:466) [ 9124.475176][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 9124.475305][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 9124.475434][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 9124.475638][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 9124.475802][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 9124.475932][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 9124.476095][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 9124.476326][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 9124.476485][ C2] [ 9124.476551][ C2] [ 9124.476616][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 9124.476886][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9124.477015][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 9124.477180][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 9124.477311][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 9124.477440][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 9124.477538][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 9124.477667][ C2] ? eth_header (net/ethernet/eth.c:100) [ 9124.477797][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 9124.477930][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 9124.478062][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 9124.478193][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 9124.478324][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 9124.478422][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 9124.478552][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 9124.478683][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 9124.478811][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 9124.478941][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 9124.479073][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 9124.479273][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 9124.479401][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 9124.479565][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 9124.479811][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 9124.479939][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 9124.480070][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 9124.480203][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 9124.480334][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 9124.480466][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 9124.480595][ C2] process_one_work (kernel/workqueue.c:3254) [ 9124.480727][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 9124.480857][ C2] ? assign_work (kernel/workqueue.c:1209) [ 9124.480990][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 9124.481119][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 9124.481283][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9124.481416][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9124.481544][ C2] kthread (kernel/kthread.c:388) [ 9124.481643][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 9124.481772][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 9124.481901][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 9124.482099][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 9139.525790][ T18] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 3966167 jiffies s: 809 root: 0x4/. | [ 9139.526197][ T18] rcu: blocking rcu_node structures (internal RCU debug): | [ 9139.526332][ T18] Sending NMI from CPU 0 to CPUs 2: | [ 9139.526451][ C2] NMI backtrace for cpu 2 [ 9139.526461][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 9139.526465][ C2] Workqueue: mld mld_ifc_work [ 9139.526475][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9139.526482][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 9139.526485][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 9139.526488][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 9139.526490][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 9139.526492][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 9139.526493][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 9139.526495][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 9139.526497][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 9139.526499][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9139.526502][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 9139.526504][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 9139.526505][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 9139.526507][ C2] PKRU: 55555554 [ 9139.526508][ C2] Call Trace: [ 9139.526511][ C2] [ 9139.526515][ C2] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 9139.526521][ C2] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 9139.526527][ C2] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 9139.526533][ C2] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 9139.526539][ C2] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 9139.526542][ C2] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 9139.526551][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9139.526553][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9139.526557][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9139.526559][ C2] [ 9139.526560][ C2] [ 9139.526561][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 9139.526567][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 9139.526575][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 9139.526579][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 9139.526583][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 9139.526586][ C2] ? eth_header (net/ethernet/eth.c:100) [ 9139.526592][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 9139.526595][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 9139.526601][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 9139.526610][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 9139.526614][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 9139.526618][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 9139.526622][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 9139.526625][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 9139.526628][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 9139.526631][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 9139.526635][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 9139.526639][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 9139.526642][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 9139.526648][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 9139.526651][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 9139.526653][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 9139.526659][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 9139.526663][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 9139.526668][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 9139.526672][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 9139.526676][ C2] process_one_work (kernel/workqueue.c:3254) [ 9139.526684][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 9139.526689][ C2] ? assign_work (kernel/workqueue.c:1209) [ 9139.526693][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 9139.526696][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 9139.526701][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9139.526704][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9139.526706][ C2] kthread (kernel/kthread.c:388) [ 9139.526710][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 9139.526713][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 9139.526716][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 9139.526718][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 9139.526727][ C2] | [ 9147.816773][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 9147.817104][ C2] rcu: 2-....: (1 GPs behind) idle=a8f4/1/0x4000000000000000 softirq=1873706/1873706 fqs=1400040 | [ 9147.817381][ C2] rcu: (t=4004960 jiffies g=3277105 q=84685 ncpus=4) [ 9147.817920][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 9147.818226][ C2] Workqueue: mld mld_ifc_work [ 9147.818377][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9147.818524][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 9147.819014][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 9147.819190][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 9147.819395][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 9147.819603][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 9147.819808][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 9147.820016][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 9147.820221][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 9147.820545][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9147.820718][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 9147.821006][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 9147.821212][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 9147.821421][ C2] PKRU: 55555554 [ 9147.821525][ C2] Call Trace: [ 9147.821709][ C2] [ 9147.821781][ C2] ? rcu_dump_cpu_stacks (kernel/rcu/tree_stall.h:379) [ 9147.821925][ C2] ? print_cpu_stall (kernel/rcu/tree_stall.h:699) [ 9147.822064][ C2] ? check_cpu_stall (kernel/rcu/tree_stall.h:799 (discriminator 2)) [ 9147.822201][ C2] ? debug_object_deactivate (lib/debugobjects.c:779) [ 9147.822426][ C2] ? rcu_pending (kernel/rcu/tree.c:3941 (discriminator 31)) [ 9147.822563][ C2] ? rcu_sched_clock_irq (kernel/rcu/tree.c:2297 (discriminator 22)) [ 9147.822709][ C2] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 9147.822847][ C2] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 9147.823069][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 9147.823205][ C2] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 9147.823347][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 9147.823487][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 9147.823706][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 9147.823846][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 9147.824020][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 9147.824158][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 9147.824415][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 9147.824586][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 9147.824761][ C2] [ 9147.824832][ C2] [ 9147.824902][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 9147.825155][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9147.825297][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 9147.825469][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 9147.825610][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 9147.825829][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 9147.825935][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 9147.826074][ C2] ? eth_header (net/ethernet/eth.c:100) [ 9147.826213][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 9147.826432][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 9147.826572][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 9147.826711][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 9147.826849][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 9147.826953][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 9147.827170][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 9147.827312][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 9147.827448][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 9147.827584][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 9147.827804][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 9147.827941][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 9147.828078][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 9147.828251][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 9147.828580][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 9147.828717][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 9147.828858][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 9147.828996][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 9147.829217][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 9147.829358][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 9147.829495][ C2] process_one_work (kernel/workqueue.c:3254) [ 9147.829636][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 9147.829868][ C2] ? assign_work (kernel/workqueue.c:1209) [ 9147.830006][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 9147.830147][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 9147.830322][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9147.830461][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9147.830598][ C2] kthread (kernel/kthread.c:388) [ 9147.830703][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 9147.830840][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 9147.830978][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 9147.831115][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 9172.469880][ C2] hardirqs last enabled at (6952496): irqentry_exit (kernel/entry/common.c:352) | [ 9172.470185][ C2] hardirqs last disabled at (6952497): sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043) | [ 9172.470441][ C2] softirqs last enabled at (4804798): neigh_resolve_output (net/core/neighbour.c:1539 net/core/neighbour.c:1553 net/core/neighbour.c:1543) | [ 9172.470772][ C2] softirqs last disabled at (4804802): __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:833 net/core/dev.c:4260) [ 9172.471297][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 9172.471589][ C2] Workqueue: mld mld_ifc_work [ 9172.471730][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9172.471941][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 9172.472398][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 9172.472644][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 9172.472837][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 9172.473030][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 9172.473296][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 9172.473490][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 9172.473684][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 9172.474005][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9172.474168][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 9172.474362][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 9172.474558][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 9172.474751][ C2] PKRU: 55555554 [ 9172.474849][ C2] Call Trace: [ 9172.474946][ C2] [ 9172.475014][ C2] ? watchdog_timer_fn (kernel/watchdog.c:548) [ 9172.475148][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 9172.475282][ C2] ? __pfx_watchdog_timer_fn (kernel/watchdog.c:466) [ 9172.475411][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 9172.475543][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 9172.475673][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 9172.475804][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 9172.475971][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 9172.476247][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 9172.476409][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 9172.476569][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 9172.476732][ C2] [ 9172.476918][ C2] [ 9172.476983][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 9172.477148][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9172.477277][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 9172.477439][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 9172.477571][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 9172.477700][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 9172.477800][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 9172.477929][ C2] ? eth_header (net/ethernet/eth.c:100) [ 9172.478062][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 9172.478190][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 9172.478321][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 9172.478454][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 9172.478584][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 9172.478682][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 9172.478816][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 9172.478947][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 9172.479077][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 9172.479276][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 9172.479405][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 9172.479534][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 9172.479666][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 9172.479914][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 9172.480075][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 9172.480205][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 9172.480336][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 9172.480465][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 9172.480598][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 9172.480728][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 9172.480857][ C2] process_one_work (kernel/workqueue.c:3254) [ 9172.480990][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 9172.481120][ C2] ? assign_work (kernel/workqueue.c:1209) [ 9172.481252][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 9172.481389][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 9172.481550][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9172.481679][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9172.481808][ C2] kthread (kernel/kthread.c:388) [ 9172.481907][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 9172.482107][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 9172.482236][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 9172.482370][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 9200.469890][ C2] hardirqs last enabled at (6952496): irqentry_exit (kernel/entry/common.c:352) | [ 9200.470123][ C2] hardirqs last disabled at (6952497): sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043) | [ 9200.470447][ C2] softirqs last enabled at (4804798): neigh_resolve_output (net/core/neighbour.c:1539 net/core/neighbour.c:1553 net/core/neighbour.c:1543) | [ 9200.470706][ C2] softirqs last disabled at (4804802): __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:833 net/core/dev.c:4260) [ 9200.471230][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 9200.471519][ C2] Workqueue: mld mld_ifc_work [ 9200.471733][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9200.471870][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 9200.472484][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 9200.472651][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 9200.472845][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 9200.473113][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 9200.473305][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 9200.473501][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 9200.473766][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 9200.473989][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9200.474151][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 9200.474419][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 9200.474613][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 9200.474806][ C2] PKRU: 55555554 [ 9200.474976][ C2] Call Trace: [ 9200.475073][ C2] [ 9200.475142][ C2] ? watchdog_timer_fn (kernel/watchdog.c:548) [ 9200.475279][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 9200.475408][ C2] ? __pfx_watchdog_timer_fn (kernel/watchdog.c:466) [ 9200.475610][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 9200.475742][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 9200.475871][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 9200.476002][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 9200.476239][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 9200.476370][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 9200.476532][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 9200.476696][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 9200.476942][ C2] [ 9200.477009][ C2] [ 9200.477074][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 9200.477240][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9200.477370][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 9200.477533][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 9200.477665][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 9200.477794][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 9200.477896][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 9200.478028][ C2] ? eth_header (net/ethernet/eth.c:100) [ 9200.478159][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 9200.478288][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 9200.478419][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 9200.478551][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 9200.478681][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 9200.478782][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 9200.478914][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 9200.479114][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 9200.479243][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 9200.479372][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 9200.479502][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 9200.479634][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 9200.479833][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 9200.479995][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 9200.480157][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 9200.480357][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 9200.480487][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 9200.480619][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 9200.480749][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 9200.480880][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 9200.481079][ C2] process_one_work (kernel/workqueue.c:3254) [ 9200.481212][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 9200.481342][ C2] ? assign_work (kernel/workqueue.c:1209) [ 9200.481477][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 9200.481676][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 9200.481837][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9200.481967][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9200.482095][ C2] kthread (kernel/kthread.c:388) [ 9200.482340][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 9200.482470][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 9200.482604][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 9200.482736][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 9200.482942][ C2] | [ 9225.834773][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 9225.835121][ C2] rcu: 2-....: (1 GPs behind) idle=a8f4/1/0x4000000000000000 softirq=1873706/1873706 fqs=1429144 | [ 9225.835407][ C2] rcu: (t=4082978 jiffies g=3277105 q=85817 ncpus=4) [ 9225.835908][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 9225.836298][ C2] Workqueue: mld mld_ifc_work [ 9225.836450][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9225.836596][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 9225.837205][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 9225.837383][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 9225.837588][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 9225.837792][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 9225.837997][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 9225.838203][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 9225.838411][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 9225.838651][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9225.838824][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 9225.839031][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 9225.839254][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 9225.839541][ C2] PKRU: 55555554 [ 9225.839644][ C2] Call Trace: [ 9225.839747][ C2] [ 9225.839819][ C2] ? rcu_dump_cpu_stacks (kernel/rcu/tree_stall.h:379) [ 9225.840041][ C2] ? print_cpu_stall (kernel/rcu/tree_stall.h:699) [ 9225.840183][ C2] ? check_cpu_stall (kernel/rcu/tree_stall.h:799 (discriminator 2)) [ 9225.840323][ C2] ? debug_object_deactivate (lib/debugobjects.c:779) [ 9225.840465][ C2] ? rcu_pending (kernel/rcu/tree.c:3941 (discriminator 31)) [ 9225.840602][ C2] ? rcu_sched_clock_irq (kernel/rcu/tree.c:2297 (discriminator 22)) [ 9225.840821][ C2] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 9225.840958][ C2] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 9225.841099][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 9225.841235][ C2] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 9225.841452][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 9225.841592][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 9225.841730][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 9225.841870][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 9225.842126][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 9225.842270][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 9225.842442][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 9225.842613][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 9225.842869][ C2] [ 9225.842939][ C2] [ 9225.843008][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 9225.843184][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9225.843401][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 9225.843572][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 9225.843713][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 9225.843849][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 9225.843954][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 9225.844174][ C2] ? eth_header (net/ethernet/eth.c:100) [ 9225.844313][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 9225.844451][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 9225.844590][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 9225.844904][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 9225.845042][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 9225.845150][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 9225.845287][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 9225.845427][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 9225.845563][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 9225.845700][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 9225.845838][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 9225.845978][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 9225.846118][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 9225.846289][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 9225.846459][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 9225.846676][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 9225.846814][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 9225.846958][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 9225.847096][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 9225.847233][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 9225.847449][ C2] process_one_work (kernel/workqueue.c:3254) [ 9225.847590][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 9225.847728][ C2] ? assign_work (kernel/workqueue.c:1209) [ 9225.847866][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 9225.848089][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 9225.848260][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9225.848398][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9225.848534][ C2] kthread (kernel/kthread.c:388) [ 9225.848718][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 9225.848854][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 9225.848999][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 9225.849135][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 9237.829790][ T18] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 4064471 jiffies s: 809 root: 0x4/. | [ 9237.830235][ T18] rcu: blocking rcu_node structures (internal RCU debug): | [ 9237.830374][ T18] Sending NMI from CPU 0 to CPUs 2: | [ 9237.830495][ C2] NMI backtrace for cpu 2 [ 9237.830505][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 9237.830509][ C2] Workqueue: mld mld_ifc_work [ 9237.830519][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9237.830526][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 9237.830529][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 9237.830532][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 9237.830535][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 9237.830537][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 9237.830538][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 9237.830540][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 9237.830542][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 9237.830544][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9237.830548][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 9237.830550][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 9237.830551][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 9237.830553][ C2] PKRU: 55555554 [ 9237.830554][ C2] Call Trace: [ 9237.830557][ C2] [ 9237.830560][ C2] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 9237.830566][ C2] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 9237.830572][ C2] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 9237.830578][ C2] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 9237.830585][ C2] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 9237.830587][ C2] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 9237.830595][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9237.830598][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9237.830601][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9237.830604][ C2] [ 9237.830605][ C2] [ 9237.830606][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 9237.830612][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 9237.830619][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 9237.830623][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 9237.830626][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 9237.830630][ C2] ? eth_header (net/ethernet/eth.c:100) [ 9237.830635][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 9237.830639][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 9237.830646][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 9237.830654][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 9237.830659][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 9237.830663][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 9237.830667][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 9237.830670][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 9237.830673][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 9237.830676][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 9237.830680][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 9237.830684][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 9237.830687][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 9237.830693][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 9237.830696][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 9237.830698][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 9237.830704][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 9237.830708][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 9237.830713][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 9237.830717][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 9237.830720][ C2] process_one_work (kernel/workqueue.c:3254) [ 9237.830728][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 9237.830733][ C2] ? assign_work (kernel/workqueue.c:1209) [ 9237.830736][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 9237.830740][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 9237.830744][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9237.830747][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9237.830750][ C2] kthread (kernel/kthread.c:388) [ 9237.830753][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 9237.830756][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 9237.830759][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 9237.830762][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 9264.469882][ C2] hardirqs last enabled at (6952496): irqentry_exit (kernel/entry/common.c:352) | [ 9264.470182][ C2] hardirqs last disabled at (6952497): sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043) | [ 9264.470438][ C2] softirqs last enabled at (4804798): neigh_resolve_output (net/core/neighbour.c:1539 net/core/neighbour.c:1553 net/core/neighbour.c:1543) | [ 9264.470694][ C2] softirqs last disabled at (4804802): __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:833 net/core/dev.c:4260) [ 9264.471223][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 9264.471513][ C2] Workqueue: mld mld_ifc_work [ 9264.471649][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9264.471789][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 9264.472341][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 9264.472507][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 9264.472774][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 9264.472967][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 9264.473163][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 9264.473426][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 9264.473619][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 9264.473938][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9264.474109][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 9264.474303][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 9264.474495][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 9264.474688][ C2] PKRU: 55555554 [ 9264.474785][ C2] Call Trace: [ 9264.474884][ C2] [ 9264.474951][ C2] ? watchdog_timer_fn (kernel/watchdog.c:548) [ 9264.475089][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 9264.475220][ C2] ? __pfx_watchdog_timer_fn (kernel/watchdog.c:466) [ 9264.475351][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 9264.475482][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 9264.475612][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 9264.475747][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 9264.475909][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 9264.476042][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 9264.476276][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 9264.476436][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 9264.476597][ C2] [ 9264.476663][ C2] [ 9264.476727][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 9264.477002][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9264.477131][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 9264.477294][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 9264.477425][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 9264.477556][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 9264.477655][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 9264.477783][ C2] ? eth_header (net/ethernet/eth.c:100) [ 9264.477913][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 9264.478042][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 9264.478172][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 9264.478307][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 9264.478441][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 9264.478540][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 9264.478669][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 9264.478798][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 9264.478926][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 9264.479057][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 9264.479260][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 9264.479389][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 9264.479522][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 9264.479684][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 9264.479925][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 9264.480052][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 9264.480185][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 9264.480315][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 9264.480446][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 9264.480575][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 9264.480719][ C2] process_one_work (kernel/workqueue.c:3254) [ 9264.480851][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 9264.480985][ C2] ? assign_work (kernel/workqueue.c:1209) [ 9264.481113][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 9264.481246][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 9264.481407][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9264.481536][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9264.481664][ C2] kthread (kernel/kthread.c:388) [ 9264.481768][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 9264.481897][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 9264.482174][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 9264.482305][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 9292.469909][ C2] hardirqs last enabled at (6952496): irqentry_exit (kernel/entry/common.c:352) | [ 9292.470211][ C2] hardirqs last disabled at (6952497): sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043) | [ 9292.470466][ C2] softirqs last enabled at (4804798): neigh_resolve_output (net/core/neighbour.c:1539 net/core/neighbour.c:1553 net/core/neighbour.c:1543) | [ 9292.470794][ C2] softirqs last disabled at (4804802): __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:833 net/core/dev.c:4260) [ 9292.471322][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 9292.471609][ C2] Workqueue: mld mld_ifc_work [ 9292.471745][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9292.471980][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 9292.472442][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 9292.472679][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 9292.472876][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 9292.473072][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 9292.473336][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 9292.473528][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 9292.473720][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 9292.474064][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9292.474229][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 9292.474422][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 9292.474615][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 9292.474807][ C2] PKRU: 55555554 [ 9292.474906][ C2] Call Trace: [ 9292.475004][ C2] [ 9292.475074][ C2] ? watchdog_timer_fn (kernel/watchdog.c:548) [ 9292.475207][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 9292.475338][ C2] ? __pfx_watchdog_timer_fn (kernel/watchdog.c:466) [ 9292.475466][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 9292.475596][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 9292.475728][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 9292.475859][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 9292.476022][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 9292.476226][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 9292.476389][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 9292.476548][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 9292.476780][ C2] [ 9292.476846][ C2] [ 9292.476911][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 9292.477073][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9292.477201][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 9292.477436][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 9292.477570][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 9292.477698][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 9292.477796][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 9292.477924][ C2] ? eth_header (net/ethernet/eth.c:100) [ 9292.478125][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 9292.478254][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 9292.478384][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 9292.478519][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 9292.478793][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 9292.478891][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 9292.479024][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 9292.479164][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 9292.479364][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 9292.479496][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 9292.479625][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 9292.479754][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 9292.479886][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 9292.480118][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 9292.480277][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 9292.480407][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 9292.480610][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 9292.480739][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 9292.480869][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 9292.481001][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 9292.481129][ C2] process_one_work (kernel/workqueue.c:3254) [ 9292.481334][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 9292.481464][ C2] ? assign_work (kernel/workqueue.c:1209) [ 9292.481594][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 9292.481722][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 9292.482000][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9292.482130][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9292.482264][ C2] kthread (kernel/kthread.c:388) [ 9292.482363][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 9292.482491][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 9292.482620][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 9292.482749][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 9292.482883][ C2] | [ 9303.852772][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 9303.853134][ C2] rcu: 2-....: (1 GPs behind) idle=a8f4/1/0x4000000000000000 softirq=1873706/1873706 fqs=1462511 | [ 9303.853413][ C2] rcu: (t=4160996 jiffies g=3277105 q=87276 ncpus=4) [ 9303.853932][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 9303.854243][ C2] Workqueue: mld mld_ifc_work [ 9303.854480][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9303.854628][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 9303.855202][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 9303.855376][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 9303.855582][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 9303.855872][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 9303.856082][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 9303.856288][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 9303.856576][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 9303.856814][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9303.857074][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 9303.857280][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 9303.857485][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 9303.857769][ C2] PKRU: 55555554 [ 9303.857872][ C2] Call Trace: [ 9303.857977][ C2] [ 9303.858052][ C2] ? rcu_dump_cpu_stacks (kernel/rcu/tree_stall.h:379) [ 9303.858195][ C2] ? print_cpu_stall (kernel/rcu/tree_stall.h:699) [ 9303.858412][ C2] ? check_cpu_stall (kernel/rcu/tree_stall.h:799 (discriminator 2)) [ 9303.858548][ C2] ? debug_object_deactivate (lib/debugobjects.c:779) [ 9303.858688][ C2] ? rcu_pending (kernel/rcu/tree.c:3941 (discriminator 31)) [ 9303.858828][ C2] ? rcu_sched_clock_irq (kernel/rcu/tree.c:2297 (discriminator 22)) [ 9303.858967][ C2] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 9303.859266][ C2] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 9303.859407][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 9303.859543][ C2] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 9303.859681][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 9303.859911][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 9303.860051][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 9303.860191][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 9303.860363][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 9303.860507][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 9303.860679][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 9303.860850][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 9303.861025][ C2] [ 9303.861096][ C2] [ 9303.861166][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 9303.861339][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9303.861476][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 9303.861730][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 9303.861882][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 9303.862020][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 9303.862124][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 9303.862260][ C2] ? eth_header (net/ethernet/eth.c:100) [ 9303.862479][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 9303.862616][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 9303.862757][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 9303.862901][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 9303.863120][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 9303.863224][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 9303.863364][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 9303.863500][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 9303.863717][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 9303.863857][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 9303.863994][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 9303.864133][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 9303.864272][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 9303.864522][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 9303.864692][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 9303.864830][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 9303.865052][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 9303.865190][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 9303.865328][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 9303.865466][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 9303.865605][ C2] process_one_work (kernel/workqueue.c:3254) [ 9303.865827][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 9303.865966][ C2] ? assign_work (kernel/workqueue.c:1209) [ 9303.866103][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 9303.866240][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 9303.866493][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9303.866629][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9303.866768][ C2] kthread (kernel/kthread.c:388) [ 9303.866875][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 9303.867090][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 9303.867230][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 9303.867367][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 9328.469811][ C2] hardirqs last enabled at (6952496): irqentry_exit (kernel/entry/common.c:352) | [ 9328.470042][ C2] hardirqs last disabled at (6952497): sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043) | [ 9328.470371][ C2] softirqs last enabled at (4804798): neigh_resolve_output (net/core/neighbour.c:1539 net/core/neighbour.c:1553 net/core/neighbour.c:1543) | [ 9328.470628][ C2] softirqs last disabled at (4804802): __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:833 net/core/dev.c:4260) [ 9328.471231][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 9328.471520][ C2] Workqueue: mld mld_ifc_work [ 9328.471732][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9328.471878][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 9328.472406][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 9328.472572][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 9328.472764][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 9328.473042][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 9328.473234][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 9328.473425][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 9328.473689][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 9328.473913][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9328.474079][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 9328.474346][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 9328.474538][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 9328.474822][ C2] PKRU: 55555554 [ 9328.474920][ C2] Call Trace: [ 9328.475017][ C2] [ 9328.475085][ C2] ? watchdog_timer_fn (kernel/watchdog.c:548) [ 9328.475222][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 9328.475353][ C2] ? __pfx_watchdog_timer_fn (kernel/watchdog.c:466) [ 9328.475483][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 9328.475617][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 9328.475745][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 9328.475876][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 9328.476041][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 9328.476174][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 9328.476336][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 9328.476501][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 9328.476662][ C2] [ 9328.476728][ C2] [ 9328.476793][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 9328.476958][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9328.477160][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 9328.477329][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 9328.477460][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 9328.477590][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 9328.477891][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 9328.478022][ C2] ? eth_header (net/ethernet/eth.c:100) [ 9328.478155][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 9328.478284][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 9328.478418][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 9328.478554][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 9328.478683][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 9328.478782][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 9328.478911][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 9328.479047][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 9328.479179][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 9328.479313][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 9328.479443][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 9328.479571][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 9328.479703][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 9328.479865][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 9328.480028][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 9328.480228][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 9328.480358][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 9328.480488][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 9328.480618][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 9328.480923][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 9328.481058][ C2] process_one_work (kernel/workqueue.c:3254) [ 9328.481190][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 9328.481321][ C2] ? assign_work (kernel/workqueue.c:1209) [ 9328.481451][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 9328.481580][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 9328.481746][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9328.481880][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9328.482010][ C2] kthread (kernel/kthread.c:388) [ 9328.482109][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 9328.482237][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 9328.482365][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 9328.482493][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 9336.133792][ T18] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 4162775 jiffies s: 809 root: 0x4/. | [ 9336.134257][ T18] rcu: blocking rcu_node structures (internal RCU debug): | [ 9336.134398][ T18] Sending NMI from CPU 0 to CPUs 2: | [ 9336.134517][ C2] NMI backtrace for cpu 2 [ 9336.134527][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 9336.134531][ C2] Workqueue: mld mld_ifc_work [ 9336.134541][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9336.134547][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 9336.134550][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 9336.134553][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 9336.134555][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 9336.134557][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 9336.134559][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 9336.134560][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 9336.134563][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 9336.134565][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9336.134568][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 9336.134569][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 9336.134571][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 9336.134572][ C2] PKRU: 55555554 [ 9336.134573][ C2] Call Trace: [ 9336.134577][ C2] [ 9336.134581][ C2] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 9336.134586][ C2] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 9336.134593][ C2] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 9336.134599][ C2] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 9336.134605][ C2] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 9336.134608][ C2] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 9336.134616][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9336.134618][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9336.134622][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9336.134624][ C2] [ 9336.134625][ C2] [ 9336.134626][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 9336.134632][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 9336.134640][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 9336.134644][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 9336.134647][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 9336.134650][ C2] ? eth_header (net/ethernet/eth.c:100) [ 9336.134657][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 9336.134660][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 9336.134667][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 9336.134675][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 9336.134680][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 9336.134684][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 9336.134688][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 9336.134691][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 9336.134694][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 9336.134697][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 9336.134701][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 9336.134705][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 9336.134708][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 9336.134714][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 9336.134718][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 9336.134719][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 9336.134725][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 9336.134729][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 9336.134734][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 9336.134738][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 9336.134741][ C2] process_one_work (kernel/workqueue.c:3254) [ 9336.134749][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 9336.134754][ C2] ? assign_work (kernel/workqueue.c:1209) [ 9336.134758][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 9336.134761][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 9336.134766][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9336.134769][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9336.134773][ C2] kthread (kernel/kthread.c:388) [ 9336.134777][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 9336.134780][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 9336.134784][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 9336.134786][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 9360.469990][ C2] hardirqs last enabled at (6952496): irqentry_exit (kernel/entry/common.c:352) | [ 9360.470295][ C2] hardirqs last disabled at (6952497): sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043) | [ 9360.470554][ C2] softirqs last enabled at (4804798): neigh_resolve_output (net/core/neighbour.c:1539 net/core/neighbour.c:1553 net/core/neighbour.c:1543) | [ 9360.470917][ C2] softirqs last disabled at (4804802): __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:833 net/core/dev.c:4260) [ 9360.471374][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 9360.471692][ C2] Workqueue: mld mld_ifc_work [ 9360.471832][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9360.471970][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 9360.472423][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 9360.472588][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 9360.472783][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 9360.472974][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 9360.473239][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 9360.473431][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 9360.473627][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 9360.473951][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9360.474113][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 9360.474306][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 9360.474501][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 9360.474695][ C2] PKRU: 55555554 [ 9360.474792][ C2] Call Trace: [ 9360.474890][ C2] [ 9360.474958][ C2] ? watchdog_timer_fn (kernel/watchdog.c:548) [ 9360.475090][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 9360.475219][ C2] ? __pfx_watchdog_timer_fn (kernel/watchdog.c:466) [ 9360.475356][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 9360.475486][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 9360.475687][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 9360.475818][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 9360.475980][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 9360.476117][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 9360.476351][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 9360.476510][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 9360.476669][ C2] [ 9360.476737][ C2] [ 9360.476903][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 9360.477065][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9360.477196][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 9360.477358][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 9360.477488][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 9360.477617][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 9360.477715][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 9360.477844][ C2] ? eth_header (net/ethernet/eth.c:100) [ 9360.477981][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 9360.478110][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 9360.478242][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 9360.478375][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 9360.478506][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 9360.478604][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 9360.478733][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 9360.478864][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 9360.478995][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 9360.479196][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 9360.479325][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 9360.479454][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 9360.479583][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 9360.479837][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 9360.479997][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 9360.480125][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 9360.480258][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 9360.480387][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 9360.480519][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 9360.480651][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 9360.480780][ C2] process_one_work (kernel/workqueue.c:3254) [ 9360.480911][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 9360.481042][ C2] ? assign_work (kernel/workqueue.c:1209) [ 9360.481172][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 9360.481300][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 9360.481464][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9360.481593][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9360.481744][ C2] kthread (kernel/kthread.c:388) [ 9360.481843][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 9360.481971][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 9360.482172][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 9360.482303][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 9360.482436][ C2] | [ 9381.870772][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 9381.871190][ C2] rcu: 2-....: (1 GPs behind) idle=a8f4/1/0x4000000000000000 softirq=1873706/1873706 fqs=1492235 | [ 9381.871464][ C2] rcu: (t=4239014 jiffies g=3277105 q=88735 ncpus=4) [ 9381.872022][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 9381.872330][ C2] Workqueue: mld mld_ifc_work [ 9381.872481][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9381.872626][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 9381.905421][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 9381.905617][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 9381.905824][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 9381.906116][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 9381.906322][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 9381.906526][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 9381.906817][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 9381.907056][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9381.907230][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 9381.907438][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 9381.907642][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 9381.907851][ C2] PKRU: 55555554 [ 9381.908035][ C2] Call Trace: [ 9381.908139][ C2] [ 9381.908211][ C2] ? rcu_dump_cpu_stacks (kernel/rcu/tree_stall.h:379) [ 9381.908356][ C2] ? print_cpu_stall (kernel/rcu/tree_stall.h:699) [ 9381.908495][ C2] ? check_cpu_stall (kernel/rcu/tree_stall.h:799 (discriminator 2)) [ 9381.908712][ C2] ? debug_object_deactivate (lib/debugobjects.c:779) [ 9381.908855][ C2] ? rcu_pending (kernel/rcu/tree.c:3941 (discriminator 31)) [ 9381.908994][ C2] ? rcu_sched_clock_irq (kernel/rcu/tree.c:2297 (discriminator 22)) [ 9381.909132][ C2] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 9381.909271][ C2] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 9381.909490][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 9381.909627][ C2] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 9381.909768][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 9381.909906][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 9381.910123][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 9381.910266][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 9381.910439][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 9381.910577][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 9381.910830][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 9381.911001][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 9381.911175][ C2] [ 9381.911245][ C2] [ 9381.911394][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 9381.911584][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9381.911726][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 9381.911899][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 9381.912122][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 9381.912262][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 9381.912366][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 9381.912503][ C2] ? eth_header (net/ethernet/eth.c:100) [ 9381.912642][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 9381.912864][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 9381.913004][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 9381.913145][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 9381.913283][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 9381.913468][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 9381.913605][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 9381.913745][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 9381.913882][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 9381.914103][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 9381.914241][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 9381.914379][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 9381.914516][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 9381.914777][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 9381.914946][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 9381.915082][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 9381.915220][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 9381.915440][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 9381.915578][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 9381.915718][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 9381.915854][ C2] process_one_work (kernel/workqueue.c:3254) [ 9381.915996][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 9381.916298][ C2] ? assign_work (kernel/workqueue.c:1209) [ 9381.916436][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 9381.916571][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 9381.916754][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9381.916991][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9381.917128][ C2] kthread (kernel/kthread.c:388) [ 9381.917232][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 9381.917370][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 9381.917507][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 9381.917644][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 9408.469813][ C2] hardirqs last enabled at (6952496): irqentry_exit (kernel/entry/common.c:352) | [ 9408.470116][ C2] hardirqs last disabled at (6952497): sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043) | [ 9408.470375][ C2] softirqs last enabled at (4804798): neigh_resolve_output (net/core/neighbour.c:1539 net/core/neighbour.c:1553 net/core/neighbour.c:1543) | [ 9408.470710][ C2] softirqs last disabled at (4804802): __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:833 net/core/dev.c:4260) [ 9408.471239][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 9408.471538][ C2] Workqueue: mld mld_ifc_work [ 9408.471679][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9408.471914][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 9408.472370][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 9408.472542][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 9408.472734][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 9408.472928][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 9408.473120][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 9408.473312][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 9408.473509][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 9408.473732][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9408.473895][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 9408.474163][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 9408.474358][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 9408.474552][ C2] PKRU: 55555554 [ 9408.474652][ C2] Call Trace: [ 9408.474822][ C2] [ 9408.474891][ C2] ? watchdog_timer_fn (kernel/watchdog.c:548) [ 9408.475025][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 9408.475161][ C2] ? __pfx_watchdog_timer_fn (kernel/watchdog.c:466) [ 9408.475292][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 9408.475493][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 9408.475626][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 9408.475758][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 9408.475934][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 9408.476146][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 9408.476309][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 9408.476469][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 9408.476700][ C2] [ 9408.476766][ C2] [ 9408.476833][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 9408.476999][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9408.477129][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 9408.477433][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 9408.477564][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 9408.477693][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 9408.477791][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 9408.477991][ C2] ? eth_header (net/ethernet/eth.c:100) [ 9408.478127][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 9408.478256][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 9408.478387][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 9408.478519][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 9408.478722][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 9408.478821][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 9408.478953][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 9408.479082][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 9408.479284][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 9408.479413][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 9408.479543][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 9408.479672][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 9408.479916][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 9408.480078][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 9408.480237][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 9408.480365][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 9408.480498][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 9408.480628][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 9408.480761][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 9408.480891][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 9408.481023][ C2] process_one_work (kernel/workqueue.c:3254) [ 9408.481155][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 9408.481286][ C2] ? assign_work (kernel/workqueue.c:1209) [ 9408.481421][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 9408.481554][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 9408.481718][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9408.481848][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9408.481977][ C2] kthread (kernel/kthread.c:388) [ 9408.482076][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 9408.482277][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 9408.482406][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 9408.482537][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 9434.437788][ T18] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 4261079 jiffies s: 809 root: 0x4/. | [ 9434.438207][ T18] rcu: blocking rcu_node structures (internal RCU debug): | [ 9434.438352][ T18] Sending NMI from CPU 0 to CPUs 2: | [ 9434.438489][ C2] NMI backtrace for cpu 2 [ 9434.438503][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 9434.438507][ C2] Workqueue: mld mld_ifc_work [ 9434.438519][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9434.438526][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 9434.438529][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 9434.438532][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 9434.438534][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 9434.438536][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 9434.438538][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 9434.438539][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 9434.438541][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 9434.438543][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9434.438547][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 9434.438549][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 9434.438550][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 9434.438552][ C2] PKRU: 55555554 [ 9434.438553][ C2] Call Trace: [ 9434.438557][ C2] [ 9434.438561][ C2] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 9434.438567][ C2] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 9434.438573][ C2] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 9434.438580][ C2] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 9434.438586][ C2] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 9434.438589][ C2] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 9434.438597][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9434.438600][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9434.438603][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9434.438605][ C2] [ 9434.438606][ C2] [ 9434.438607][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 9434.438614][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 9434.438622][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 9434.438626][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 9434.438630][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 9434.438633][ C2] ? eth_header (net/ethernet/eth.c:100) [ 9434.438639][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 9434.438642][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 9434.438649][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 9434.438658][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 9434.438662][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 9434.438666][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 9434.438670][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 9434.438673][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 9434.438677][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 9434.438679][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 9434.438684][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 9434.438687][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 9434.438690][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 9434.438696][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 9434.438699][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 9434.438701][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 9434.438706][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 9434.438710][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 9434.438715][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 9434.438719][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 9434.438722][ C2] process_one_work (kernel/workqueue.c:3254) [ 9434.438729][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 9434.438734][ C2] ? assign_work (kernel/workqueue.c:1209) [ 9434.438738][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 9434.438741][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 9434.438745][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9434.438748][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9434.438751][ C2] kthread (kernel/kthread.c:388) [ 9434.438755][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 9434.438758][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 9434.438762][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 9434.438764][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 9434.438774][ C2] | [ 9459.921773][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 9459.922047][ C2] rcu: 2-....: (1 GPs behind) idle=a8f4/1/0x4000000000000000 softirq=1873706/1873706 fqs=1527629 | [ 9459.922332][ C2] rcu: (t=4317065 jiffies g=3277105 q=89815 ncpus=4) [ 9459.922834][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 9459.923224][ C2] Workqueue: mld mld_ifc_work [ 9459.923379][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9459.923524][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 9459.924114][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 9459.924292][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 9459.924505][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 9459.924710][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 9459.924919][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 9459.925209][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 9459.925421][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 9459.925662][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9459.925919][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 9459.926133][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 9459.926343][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 9459.926551][ C2] PKRU: 55555554 [ 9459.926656][ C2] Call Trace: [ 9459.926759][ C2] [ 9459.926832][ C2] ? rcu_dump_cpu_stacks (kernel/rcu/tree_stall.h:379) [ 9459.927059][ C2] ? print_cpu_stall (kernel/rcu/tree_stall.h:699) [ 9459.927202][ C2] ? check_cpu_stall (kernel/rcu/tree_stall.h:799 (discriminator 2)) [ 9459.927345][ C2] ? debug_object_deactivate (lib/debugobjects.c:779) [ 9459.927487][ C2] ? rcu_pending (kernel/rcu/tree.c:3941 (discriminator 31)) [ 9459.927624][ C2] ? rcu_sched_clock_irq (kernel/rcu/tree.c:2297 (discriminator 22)) [ 9459.927846][ C2] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 9459.927986][ C2] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 9459.928125][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 9459.928272][ C2] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 9459.928493][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 9459.928631][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 9459.928770][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 9459.928908][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 9459.929163][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 9459.929304][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 9459.929476][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 9459.929648][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 9459.929903][ C2] [ 9459.929973][ C2] [ 9459.930043][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 9459.930223][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9459.930440][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 9459.930613][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 9459.930755][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 9459.930893][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 9459.931001][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 9459.931234][ C2] ? eth_header (net/ethernet/eth.c:100) [ 9459.931374][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 9459.931514][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 9459.931660][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 9459.931902][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 9459.932040][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 9459.932150][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 9459.932297][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 9459.932435][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 9459.932573][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 9459.932710][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 9459.932850][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 9459.932991][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 9459.933137][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 9459.933309][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 9459.933484][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 9459.933706][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 9459.933846][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 9459.933984][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 9459.934126][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 9459.934264][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 9459.934483][ C2] process_one_work (kernel/workqueue.c:3254) [ 9459.934629][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 9459.934774][ C2] ? assign_work (kernel/workqueue.c:1209) [ 9459.934915][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 9459.935218][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 9459.935394][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9459.935532][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9459.935672][ C2] kthread (kernel/kthread.c:388) [ 9459.935871][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 9459.936008][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 9459.936151][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 9459.936293][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 9484.469760][ C2] hardirqs last enabled at (6952496): irqentry_exit (kernel/entry/common.c:352) | [ 9484.469993][ C2] hardirqs last disabled at (6952497): sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043) | [ 9484.470322][ C2] softirqs last enabled at (4804798): neigh_resolve_output (net/core/neighbour.c:1539 net/core/neighbour.c:1553 net/core/neighbour.c:1543) | [ 9484.470579][ C2] softirqs last disabled at (4804802): __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:833 net/core/dev.c:4260) [ 9484.471127][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 9484.471422][ C2] Workqueue: mld mld_ifc_work [ 9484.471558][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9484.471694][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 9484.472155][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 9484.472318][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 9484.472511][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 9484.472702][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 9484.472896][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 9484.473164][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 9484.473354][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 9484.473576][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9484.473811][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 9484.474008][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 9484.474200][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 9484.474467][ C2] PKRU: 55555554 [ 9484.474564][ C2] Call Trace: [ 9484.474661][ C2] [ 9484.474731][ C2] ? watchdog_timer_fn (kernel/watchdog.c:548) [ 9484.474870][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 9484.475072][ C2] ? __pfx_watchdog_timer_fn (kernel/watchdog.c:466) [ 9484.475204][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 9484.475335][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 9484.475464][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 9484.475666][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 9484.475832][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 9484.475962][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 9484.476124][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 9484.476356][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 9484.476516][ C2] [ 9484.476582][ C2] [ 9484.476651][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 9484.476916][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9484.477045][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 9484.477208][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 9484.477352][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 9484.477488][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 9484.477592][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 9484.477721][ C2] ? eth_header (net/ethernet/eth.c:100) [ 9484.477852][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 9484.477983][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 9484.478115][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 9484.478246][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 9484.478375][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 9484.478477][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 9484.478681][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 9484.478811][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 9484.478941][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 9484.479069][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 9484.479272][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 9484.479404][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 9484.479533][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 9484.479693][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 9484.479927][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 9484.480055][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 9484.480185][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 9484.480317][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 9484.480518][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 9484.480648][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 9484.480777][ C2] process_one_work (kernel/workqueue.c:3254) [ 9484.480909][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 9484.481042][ C2] ? assign_work (kernel/workqueue.c:1209) [ 9484.481254][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 9484.481384][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 9484.481545][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9484.481675][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9484.481876][ C2] kthread (kernel/kthread.c:388) [ 9484.481974][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 9484.482105][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 9484.482237][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 9484.482367][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 9512.469772][ C2] hardirqs last enabled at (6952496): irqentry_exit (kernel/entry/common.c:352) | [ 9512.470007][ C2] hardirqs last disabled at (6952497): sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043) | [ 9512.470267][ C2] softirqs last enabled at (4804798): neigh_resolve_output (net/core/neighbour.c:1539 net/core/neighbour.c:1553 net/core/neighbour.c:1543) | [ 9512.470602][ C2] softirqs last disabled at (4804802): __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:833 net/core/dev.c:4260) [ 9512.471073][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 9512.471439][ C2] Workqueue: mld mld_ifc_work [ 9512.471581][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9512.471722][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 9512.472299][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 9512.472468][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 9512.472662][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 9512.472857][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 9512.473059][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 9512.473250][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 9512.473441][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 9512.473737][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9512.473902][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 9512.474097][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 9512.474363][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 9512.474554][ C2] PKRU: 55555554 [ 9512.474651][ C2] Call Trace: [ 9512.474751][ C2] [ 9512.474892][ C2] ? watchdog_timer_fn (kernel/watchdog.c:548) [ 9512.475025][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 9512.475157][ C2] ? __pfx_watchdog_timer_fn (kernel/watchdog.c:466) [ 9512.475286][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 9512.475417][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 9512.475616][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 9512.475749][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 9512.475912][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 9512.476043][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 9512.476280][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 9512.476441][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 9512.476603][ C2] [ 9512.476669][ C2] [ 9512.476805][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 9512.476968][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9512.477099][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 9512.477260][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 9512.477467][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 9512.477598][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 9512.477696][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 9512.477826][ C2] ? eth_header (net/ethernet/eth.c:100) [ 9512.478027][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 9512.478158][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 9512.478289][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 9512.478422][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 9512.478556][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 9512.478726][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 9512.478856][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 9512.478985][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 9512.479114][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 9512.479316][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 9512.479447][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 9512.479576][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 9512.479705][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 9512.479940][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 9512.480099][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 9512.480226][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 9512.480364][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 9512.480564][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 9512.480694][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 9512.480824][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 9512.480959][ C2] process_one_work (kernel/workqueue.c:3254) [ 9512.481164][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 9512.481300][ C2] ? assign_work (kernel/workqueue.c:1209) [ 9512.481430][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 9512.481559][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 9512.481796][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9512.481927][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9512.482055][ C2] kthread (kernel/kthread.c:388) [ 9512.482158][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 9512.482289][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 9512.482421][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 9512.482549][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 9532.741787][ T18] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 4359383 jiffies s: 809 root: 0x4/. | [ 9532.742230][ T18] rcu: blocking rcu_node structures (internal RCU debug): | [ 9532.742373][ T18] Sending NMI from CPU 0 to CPUs 2: | [ 9532.742508][ C2] NMI backtrace for cpu 2 [ 9532.742522][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 9532.742526][ C2] Workqueue: mld mld_ifc_work [ 9532.742537][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9532.742545][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 9532.742548][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 9532.742551][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 9532.742553][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 9532.742555][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 9532.742557][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 9532.742558][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 9532.742560][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 9532.742563][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9532.742567][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 9532.742569][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 9532.742570][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 9532.742572][ C2] PKRU: 55555554 [ 9532.742572][ C2] Call Trace: [ 9532.742576][ C2] [ 9532.742582][ C2] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 9532.742587][ C2] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 9532.742594][ C2] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 9532.742600][ C2] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 9532.742607][ C2] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 9532.742609][ C2] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 9532.742618][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9532.742621][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9532.742624][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9532.742626][ C2] [ 9532.742627][ C2] [ 9532.742628][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 9532.742634][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 9532.742642][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 9532.742645][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 9532.742649][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 9532.742652][ C2] ? eth_header (net/ethernet/eth.c:100) [ 9532.742658][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 9532.742661][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 9532.742668][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 9532.742676][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 9532.742681][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 9532.742685][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 9532.742688][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 9532.742692][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 9532.742695][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 9532.742698][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 9532.742702][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 9532.742706][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 9532.742709][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 9532.742715][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 9532.742718][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 9532.742720][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 9532.742725][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 9532.742730][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 9532.742734][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 9532.742738][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 9532.742742][ C2] process_one_work (kernel/workqueue.c:3254) [ 9532.742750][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 9532.742755][ C2] ? assign_work (kernel/workqueue.c:1209) [ 9532.742759][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 9532.742763][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 9532.742767][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9532.742772][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9532.742775][ C2] kthread (kernel/kthread.c:388) [ 9532.742779][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 9532.742782][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 9532.742786][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 9532.742789][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 9532.742798][ C2] | [ 9537.938773][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 9537.939124][ C2] rcu: 2-....: (1 GPs behind) idle=a8f4/1/0x4000000000000000 softirq=1873706/1873706 fqs=1558891 | [ 9537.939405][ C2] rcu: (t=4395082 jiffies g=3277105 q=91274 ncpus=4) [ 9537.939900][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 9537.940209][ C2] Workqueue: mld mld_ifc_work [ 9537.940446][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9537.940593][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 9537.941175][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 9537.941349][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 9537.941557][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 9537.941845][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 9537.942053][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 9537.942258][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 9537.942544][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 9537.942786][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9537.943043][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 9537.943251][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 9537.943454][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 9537.943739][ C2] PKRU: 55555554 [ 9537.943842][ C2] Call Trace: [ 9537.943947][ C2] [ 9537.944025][ C2] ? rcu_dump_cpu_stacks (kernel/rcu/tree_stall.h:379) [ 9537.944173][ C2] ? print_cpu_stall (kernel/rcu/tree_stall.h:699) [ 9537.944391][ C2] ? check_cpu_stall (kernel/rcu/tree_stall.h:799 (discriminator 2)) [ 9537.944527][ C2] ? debug_object_deactivate (lib/debugobjects.c:779) [ 9537.944667][ C2] ? rcu_pending (kernel/rcu/tree.c:3941 (discriminator 31)) [ 9537.944805][ C2] ? rcu_sched_clock_irq (kernel/rcu/tree.c:2297 (discriminator 22)) [ 9537.944943][ C2] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 9537.945168][ C2] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 9537.945306][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 9537.945443][ C2] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 9537.945581][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 9537.945798][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 9537.945935][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 9537.946077][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 9537.946250][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 9537.946470][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 9537.946641][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 9537.946811][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 9537.947067][ C2] [ 9537.947137][ C2] [ 9537.947206][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 9537.947380][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9537.947517][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 9537.947861][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 9537.948001][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 9537.948141][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 9537.948246][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 9537.948388][ C2] ? eth_header (net/ethernet/eth.c:100) [ 9537.948526][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 9537.948662][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 9537.948802][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 9537.948946][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 9537.949084][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 9537.949189][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 9537.949339][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 9537.949476][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 9537.949693][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 9537.949830][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 9537.949969][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 9537.950108][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 9537.950249][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 9537.950502][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 9537.950672][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 9537.950814][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 9537.951035][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 9537.951174][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 9537.951312][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 9537.951454][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 9537.951591][ C2] process_one_work (kernel/workqueue.c:3254) [ 9537.951813][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 9537.951954][ C2] ? assign_work (kernel/workqueue.c:1209) [ 9537.952091][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 9537.952229][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 9537.952480][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9537.952618][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9537.952756][ C2] kthread (kernel/kthread.c:388) [ 9537.952863][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 9537.953080][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 9537.953217][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 9537.953353][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 9564.469756][ C2] hardirqs last enabled at (6952496): irqentry_exit (kernel/entry/common.c:352) | [ 9564.469985][ C2] hardirqs last disabled at (6952497): sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043) | [ 9564.470321][ C2] softirqs last enabled at (4804798): neigh_resolve_output (net/core/neighbour.c:1539 net/core/neighbour.c:1553 net/core/neighbour.c:1543) | [ 9564.470581][ C2] softirqs last disabled at (4804802): __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:833 net/core/dev.c:4260) [ 9564.471113][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 9564.471402][ C2] Workqueue: mld mld_ifc_work [ 9564.471617][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9564.471754][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 9564.472285][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 9564.472448][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 9564.472660][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 9564.472975][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 9564.473167][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 9564.473360][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 9564.473556][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 9564.473785][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9564.473949][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 9564.474142][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 9564.474335][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 9564.474616][ C2] PKRU: 55555554 [ 9564.474715][ C2] Call Trace: [ 9564.474815][ C2] [ 9564.474884][ C2] ? watchdog_timer_fn (kernel/watchdog.c:548) [ 9564.475018][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 9564.475148][ C2] ? __pfx_watchdog_timer_fn (kernel/watchdog.c:466) [ 9564.475348][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 9564.475478][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 9564.475611][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 9564.475741][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 9564.476001][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 9564.476132][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 9564.476295][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 9564.476458][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 9564.476620][ C2] [ 9564.476686][ C2] [ 9564.476751][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 9564.477002][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9564.477136][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 9564.477299][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 9564.477435][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 9564.477564][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 9564.477663][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 9564.477794][ C2] ? eth_header (net/ethernet/eth.c:100) [ 9564.477925][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 9564.478054][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 9564.478190][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 9564.478393][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 9564.478523][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 9564.478621][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 9564.478751][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 9564.478952][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 9564.479081][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 9564.479211][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 9564.479340][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 9564.479544][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 9564.479672][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 9564.479833][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 9564.479993][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 9564.480194][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 9564.480324][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 9564.480454][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 9564.480585][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 9564.480801][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 9564.480932][ C2] process_one_work (kernel/workqueue.c:3254) [ 9564.481069][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 9564.481200][ C2] ? assign_work (kernel/workqueue.c:1209) [ 9564.481331][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 9564.481459][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 9564.481619][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9564.481748][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9564.481883][ C2] kthread (kernel/kthread.c:388) [ 9564.481981][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 9564.482110][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 9564.482240][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 9564.482367][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 9592.469963][ C2] hardirqs last enabled at (6952496): irqentry_exit (kernel/entry/common.c:352) | [ 9592.470198][ C2] hardirqs last disabled at (6952497): sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043) | [ 9592.470524][ C2] softirqs last enabled at (4804798): neigh_resolve_output (net/core/neighbour.c:1539 net/core/neighbour.c:1553 net/core/neighbour.c:1543) | [ 9592.470791][ C2] softirqs last disabled at (4804802): __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:833 net/core/dev.c:4260) [ 9592.471317][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 9592.471676][ C2] Workqueue: mld mld_ifc_work [ 9592.471818][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9592.471959][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 9592.472501][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 9592.472665][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 9592.472964][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 9592.473164][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 9592.473356][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 9592.473551][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 9592.473743][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 9592.473973][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9592.474137][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 9592.474330][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 9592.474523][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 9592.474720][ C2] PKRU: 55555554 [ 9592.474821][ C2] Call Trace: [ 9592.474917][ C2] [ 9592.474986][ C2] ? watchdog_timer_fn (kernel/watchdog.c:548) [ 9592.475192][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 9592.475323][ C2] ? __pfx_watchdog_timer_fn (kernel/watchdog.c:466) [ 9592.475452][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 9592.475585][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 9592.475714][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 9592.475937][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 9592.476102][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 9592.476232][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 9592.476398][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 9592.476560][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 9592.476719][ C2] [ 9592.476786][ C2] [ 9592.476852][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 9592.477015][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9592.477145][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 9592.477309][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 9592.477440][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 9592.477569][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 9592.477668][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 9592.477797][ C2] ? eth_header (net/ethernet/eth.c:100) [ 9592.477929][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 9592.478132][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 9592.478264][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 9592.478397][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 9592.478528][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 9592.478626][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 9592.478826][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 9592.478955][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 9592.479087][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 9592.479215][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 9592.479489][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 9592.479617][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 9592.479745][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 9592.479906][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 9592.480139][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 9592.480267][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 9592.480397][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 9592.480526][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 9592.480749][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 9592.480880][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 9592.481013][ C2] process_one_work (kernel/workqueue.c:3254) [ 9592.481145][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 9592.481347][ C2] ? assign_work (kernel/workqueue.c:1209) [ 9592.481476][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 9592.481605][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 9592.481767][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9592.481974][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9592.482103][ C2] kthread (kernel/kthread.c:388) [ 9592.482201][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 9592.482330][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 9592.482458][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 9592.482657][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 9592.482794][ C2] | [ 9615.956783][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 9615.957137][ C2] rcu: 2-....: (1 GPs behind) idle=a8f4/1/0x4000000000000000 softirq=1873706/1873706 fqs=1589098 | [ 9615.957502][ C2] rcu: (t=4473100 jiffies g=3277105 q=92406 ncpus=4) [ 9615.958015][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 9615.958322][ C2] Workqueue: mld mld_ifc_work [ 9615.958474][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9615.958703][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 9615.959199][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 9615.959455][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 9615.959662][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 9615.959870][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 9615.960159][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 9615.960362][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 9615.960580][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 9615.960905][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9615.961077][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 9615.961285][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 9615.961570][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 9615.961775][ C2] PKRU: 55555554 [ 9615.961884][ C2] Call Trace: [ 9615.962070][ C2] [ 9615.962143][ C2] ? rcu_dump_cpu_stacks (kernel/rcu/tree_stall.h:379) [ 9615.962286][ C2] ? print_cpu_stall (kernel/rcu/tree_stall.h:699) [ 9615.962427][ C2] ? check_cpu_stall (kernel/rcu/tree_stall.h:799 (discriminator 2)) [ 9615.962563][ C2] ? debug_object_deactivate (lib/debugobjects.c:779) [ 9615.962784][ C2] ? rcu_pending (kernel/rcu/tree.c:3941 (discriminator 31)) [ 9615.962924][ C2] ? rcu_sched_clock_irq (kernel/rcu/tree.c:2297 (discriminator 22)) [ 9615.963061][ C2] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 9615.963201][ C2] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 9615.963420][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 9615.963556][ C2] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 9615.963693][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 9615.963834][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 9615.963971][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 9615.964271][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 9615.964446][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 9615.964584][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 9615.964851][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 9615.965026][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 9615.965199][ C2] [ 9615.965269][ C2] [ 9615.965338][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 9615.965514][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9615.965651][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 9615.965828][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 9615.965969][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 9615.966106][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 9615.966211][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 9615.966348][ C2] ? eth_header (net/ethernet/eth.c:100) [ 9615.966486][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 9615.966703][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 9615.966848][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 9615.966988][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 9615.967126][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 9615.967231][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 9615.967448][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 9615.967585][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 9615.967725][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 9615.967862][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 9615.968080][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 9615.968221][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 9615.968357][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 9615.968529][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 9615.968782][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 9615.968918][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 9615.969056][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 9615.969194][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 9615.969413][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 9615.969552][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 9615.969691][ C2] process_one_work (kernel/workqueue.c:3254) [ 9615.969831][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 9615.970051][ C2] ? assign_work (kernel/workqueue.c:1209) [ 9615.970188][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 9615.970327][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 9615.970502][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9615.970727][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9615.970866][ C2] kthread (kernel/kthread.c:388) [ 9615.970970][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 9615.971106][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 9615.971244][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 9615.971460][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 9631.045787][ T18] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 4457687 jiffies s: 809 root: 0x4/. | [ 9631.046192][ T18] rcu: blocking rcu_node structures (internal RCU debug): | [ 9631.046345][ T18] Sending NMI from CPU 0 to CPUs 2: | [ 9631.046477][ C2] NMI backtrace for cpu 2 [ 9631.046491][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 9631.046496][ C2] Workqueue: mld mld_ifc_work [ 9631.046507][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 9631.046514][ C2] Code: 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 29 f0 0f b7 c8 <39> ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 89 04 24 e8 All code ======== 0: 05 80 fa 03 7e add $0x7e03fa80,%eax 5: 36 8b 55 28 ss mov 0x28(%rbp),%edx 9: 44 39 ea cmp %r13d,%edx c: 76 15 jbe 0x23 e: 48 83 c4 10 add $0x10,%rsp 12: 5d pop %rbp 13: 41 5c pop %r12 15: 41 5d pop %r13 17: c3 ret 18: cc int3 19: cc int3 1a: cc int3 1b: cc int3 1c: 31 c0 xor %eax,%eax 1e: 45 31 ed xor %r13d,%r13d 21: eb 92 jmp 0xffffffffffffffb5 23: 89 d6 mov %edx,%esi 25: 29 f0 sub %esi,%eax 27: 0f b7 c8 movzwl %ax,%ecx 2a:* 39 ca cmp %ecx,%edx <-- trapping instruction 2c: 76 f7 jbe 0x25 2e: 48 83 c4 10 add $0x10,%rsp 32: 5d pop %rbp 33: 41 5c pop %r12 35: 41 5d pop %r13 37: c3 ret 38: cc int3 39: cc int3 3a: cc int3 3b: cc int3 3c: 89 04 24 mov %eax,(%rsp) 3f: e8 .byte 0xe8 Code starting with the faulting instruction =========================================== 0: 39 ca cmp %ecx,%edx 2: 76 f7 jbe 0xfffffffffffffffb 4: 48 83 c4 10 add $0x10,%rsp 8: 5d pop %rbp 9: 41 5c pop %r12 b: 41 5d pop %r13 d: c3 ret e: cc int3 f: cc int3 10: cc int3 11: cc int3 12: 89 04 24 mov %eax,(%rsp) 15: e8 .byte 0xe8 [ 9631.046517][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 9631.046520][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 9631.046522][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 9631.046524][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 9631.046526][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 9631.046528][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 9631.046529][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 9631.046531][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9631.046534][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 9631.046536][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 9631.046538][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 9631.046540][ C2] PKRU: 55555554 [ 9631.046541][ C2] Call Trace: [ 9631.046545][ C2] [ 9631.046550][ C2] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 9631.046556][ C2] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 9631.046563][ C2] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 9631.046568][ C2] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 9631.046575][ C2] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 9631.046578][ C2] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 9631.046586][ C2] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 9631.046589][ C2] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 9631.046592][ C2] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 9631.046595][ C2] [ 9631.046596][ C2] [ 9631.046597][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 9631.046603][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 9631.046611][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 9631.046615][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 9631.046618][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 9631.046622][ C2] ? eth_header (net/ethernet/eth.c:100) [ 9631.046628][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 9631.046631][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 9631.046638][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 9631.046647][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 9631.046651][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 9631.046655][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 9631.046659][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 9631.046662][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 9631.046666][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 9631.046668][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 9631.046673][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 9631.046677][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 9631.046680][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 9631.046685][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 9631.046689][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 9631.046691][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 9631.046697][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 9631.046701][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 9631.046705][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 9631.046710][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 9631.046713][ C2] process_one_work (kernel/workqueue.c:3254) [ 9631.046721][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 9631.046725][ C2] ? assign_work (kernel/workqueue.c:1209) [ 9631.046729][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 9631.046732][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 9631.046737][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9631.046740][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9631.046742][ C2] kthread (kernel/kthread.c:388) [ 9631.046747][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 9631.046750][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 9631.046754][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 9631.046756][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 9656.469851][ C2] hardirqs last enabled at (6952496): irqentry_exit (kernel/entry/common.c:352) | [ 9656.470245][ C2] hardirqs last disabled at (6952497): sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043) | [ 9656.470509][ C2] softirqs last enabled at (4804798): neigh_resolve_output (net/core/neighbour.c:1539 net/core/neighbour.c:1553 net/core/neighbour.c:1543) | [ 9656.470764][ C2] softirqs last disabled at (4804802): __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:833 net/core/dev.c:4260) [ 9656.471298][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 9656.471589][ C2] Workqueue: mld mld_ifc_work [ 9656.471735][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9656.471969][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 9656.472425][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 9656.472589][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 9656.472784][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 9656.472978][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 9656.473170][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 9656.473363][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 9656.473564][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 9656.473788][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9656.473952][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 9656.474219][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 9656.474416][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 9656.474608][ C2] PKRU: 55555554 [ 9656.474705][ C2] Call Trace: [ 9656.474887][ C2] [ 9656.474956][ C2] ? watchdog_timer_fn (kernel/watchdog.c:548) [ 9656.475088][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 9656.475219][ C2] ? __pfx_watchdog_timer_fn (kernel/watchdog.c:466) [ 9656.475353][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 9656.475484][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 9656.475613][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 9656.475743][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 9656.475907][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 9656.476037][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 9656.476203][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 9656.476365][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 9656.476528][ C2] [ 9656.476593][ C2] [ 9656.476658][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 9656.476822][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9656.476955][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 9656.477190][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 9656.477322][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 9656.477452][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 9656.477550][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 9656.477751][ C2] ? eth_header (net/ethernet/eth.c:100) [ 9656.477885][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 9656.478015][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 9656.478145][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 9656.478279][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 9656.478479][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 9656.478578][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 9656.478707][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 9656.478843][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 9656.479042][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 9656.479173][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 9656.479302][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 9656.479430][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 9656.479701][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 9656.479865][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 9656.480024][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 9656.480154][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 9656.480361][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 9656.480490][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 9656.480630][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 9656.480762][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 9656.480962][ C2] process_one_work (kernel/workqueue.c:3254) [ 9656.481095][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 9656.481226][ C2] ? assign_work (kernel/workqueue.c:1209) [ 9656.481355][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 9656.481487][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 9656.481722][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9656.481857][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9656.481986][ C2] kthread (kernel/kthread.c:388) [ 9656.482085][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 9656.482284][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 9656.482412][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 9656.482543][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 9684.469827][ C2] hardirqs last enabled at (6952496): irqentry_exit (kernel/entry/common.c:352) | [ 9684.470059][ C2] hardirqs last disabled at (6952497): sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043) | [ 9684.470321][ C2] softirqs last enabled at (4804798): neigh_resolve_output (net/core/neighbour.c:1539 net/core/neighbour.c:1553 net/core/neighbour.c:1543) | [ 9684.470579][ C2] softirqs last disabled at (4804802): __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:833 net/core/dev.c:4260) [ 9684.471035][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 9684.471325][ C2] Workqueue: mld mld_ifc_work [ 9684.471538][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9684.471673][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 9684.472205][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 9684.472371][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 9684.472563][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 9684.472829][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 9684.473021][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 9684.473217][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 9684.473481][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 9684.473704][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9684.473939][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 9684.474136][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 9684.474331][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 9684.474597][ C2] PKRU: 55555554 [ 9684.474695][ C2] Call Trace: [ 9684.474793][ C2] [ 9684.474862][ C2] ? watchdog_timer_fn (kernel/watchdog.c:548) [ 9684.474995][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 9684.475200][ C2] ? __pfx_watchdog_timer_fn (kernel/watchdog.c:466) [ 9684.475329][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 9684.475462][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 9684.475591][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 9684.475722][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 9684.476065][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 9684.476199][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 9684.476361][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 9684.476522][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 9684.476683][ C2] [ 9684.476749][ C2] [ 9684.476814][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 9684.476980][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9684.477110][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 9684.477271][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 9684.477402][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 9684.477530][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 9684.477632][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 9684.477764][ C2] ? eth_header (net/ethernet/eth.c:100) [ 9684.477896][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 9684.478025][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 9684.478229][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 9684.478361][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 9684.478491][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 9684.478590][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 9684.478722][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 9684.478952][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 9684.479082][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 9684.479211][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 9684.479340][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 9684.479469][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 9684.479601][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 9684.479762][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 9684.479923][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 9684.480058][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 9684.480203][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 9684.480332][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 9684.480465][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 9684.480596][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 9684.480724][ C2] process_one_work (kernel/workqueue.c:3254) [ 9684.480860][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 9684.480991][ C2] ? assign_work (kernel/workqueue.c:1209) [ 9684.481193][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 9684.481326][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 9684.481488][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9684.481617][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9684.481834][ C2] kthread (kernel/kthread.c:388) [ 9684.481933][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 9684.482062][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 9684.482193][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 9684.482325][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 9684.482460][ C2] | [ 9693.973799][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 9693.974150][ C2] rcu: 2-....: (1 GPs behind) idle=a8f4/1/0x4000000000000000 softirq=1873706/1873706 fqs=1619634 | [ 9693.974437][ C2] rcu: (t=4551117 jiffies g=3277105 q=93865 ncpus=4) [ 9693.974870][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 9693.975179][ C2] Workqueue: mld mld_ifc_work [ 9693.975332][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9693.975477][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 9693.976052][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 9693.976226][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 9693.976517][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 9693.976722][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 9693.976932][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 9693.977308][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 9693.977517][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 9693.977838][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9693.978013][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 9693.978218][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 9693.978438][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 9693.978642][ C2] PKRU: 55555554 [ 9693.978745][ C2] Call Trace: [ 9693.978848][ C2] [ 9693.978920][ C2] ? rcu_dump_cpu_stacks (kernel/rcu/tree_stall.h:379) [ 9693.979063][ C2] ? print_cpu_stall (kernel/rcu/tree_stall.h:699) [ 9693.979201][ C2] ? check_cpu_stall (kernel/rcu/tree_stall.h:799 (discriminator 2)) [ 9693.981494][ C2] ? debug_object_deactivate (lib/debugobjects.c:779) [ 9693.981643][ C2] ? rcu_pending (kernel/rcu/tree.c:3941 (discriminator 31)) [ 9693.981882][ C2] ? rcu_sched_clock_irq (kernel/rcu/tree.c:2297 (discriminator 22)) [ 9693.982021][ C2] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 9693.982159][ C2] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 9693.982297][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 9693.982447][ C2] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 9693.982586][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 9693.982729][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 9693.982869][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 9693.983008][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 9693.983181][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 9693.983328][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 9693.983500][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 9693.983751][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 9693.983924][ C2] [ 9693.983996][ C2] [ 9693.984066][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 9693.984250][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9693.984468][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 9693.984640][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 9693.984782][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 9693.984923][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 9693.985107][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 9693.985255][ C2] ? eth_header (net/ethernet/eth.c:100) [ 9693.985393][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 9693.985543][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 9693.985763][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 9693.985911][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 9693.986048][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 9693.986153][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 9693.986300][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 9693.986518][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 9693.986657][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 9693.986795][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 9693.986933][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 9693.987156][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 9693.987303][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 9693.987475][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 9693.987644][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 9693.987864][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 9693.988006][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 9693.988143][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 9693.988291][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 9693.988430][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 9693.988567][ C2] process_one_work (kernel/workqueue.c:3254) [ 9693.988717][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 9693.988856][ C2] ? assign_work (kernel/workqueue.c:1209) [ 9693.988995][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 9693.989142][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 9693.989312][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9693.989449][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9693.989746][ C2] kthread (kernel/kthread.c:388) [ 9693.989850][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 9693.989987][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 9693.990138][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 9693.990275][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 9720.469908][ C2] hardirqs last enabled at (6952496): irqentry_exit (kernel/entry/common.c:352) | [ 9720.470150][ C2] hardirqs last disabled at (6952497): sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043) | [ 9720.470481][ C2] softirqs last enabled at (4804798): neigh_resolve_output (net/core/neighbour.c:1539 net/core/neighbour.c:1553 net/core/neighbour.c:1543) | [ 9720.470747][ C2] softirqs last disabled at (4804802): __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:833 net/core/dev.c:4260) [ 9720.471270][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 9720.471641][ C2] Workqueue: mld mld_ifc_work [ 9720.471779][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9720.471915][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 9720.472457][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 9720.472622][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 9720.472894][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 9720.473087][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 9720.473279][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 9720.473491][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 9720.473684][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 9720.473910][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9720.474072][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 9720.474273][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 9720.474468][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 9720.474666][ C2] PKRU: 55555554 [ 9720.474762][ C2] Call Trace: [ 9720.474861][ C2] [ 9720.474930][ C2] ? watchdog_timer_fn (kernel/watchdog.c:548) [ 9720.475144][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 9720.475274][ C2] ? __pfx_watchdog_timer_fn (kernel/watchdog.c:466) [ 9720.475403][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 9720.475535][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 9720.475736][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 9720.475867][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 9720.476040][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 9720.476170][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 9720.476404][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 9720.476565][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 9720.476727][ C2] [ 9720.476794][ C2] [ 9720.476868][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 9720.477102][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9720.477232][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 9720.477401][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 9720.477532][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 9720.477733][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 9720.477844][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 9720.477977][ C2] ? eth_header (net/ethernet/eth.c:100) [ 9720.478110][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 9720.478382][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 9720.478517][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 9720.478653][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 9720.478784][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 9720.478893][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 9720.479096][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 9720.479228][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 9720.479359][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 9720.479489][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 9720.479689][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 9720.479827][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 9720.479956][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 9720.480125][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 9720.480357][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 9720.480487][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 9720.480629][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 9720.480767][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 9720.480973][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 9720.481103][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 9720.481232][ C2] process_one_work (kernel/workqueue.c:3254) [ 9720.481365][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 9720.481566][ C2] ? assign_work (kernel/workqueue.c:1209) [ 9720.481704][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 9720.481835][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 9720.481996][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9720.482199][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9720.482327][ C2] kthread (kernel/kthread.c:388) [ 9720.482426][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 9720.482565][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 9720.482694][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 9720.482905][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 9729.349785][ T18] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 4555991 jiffies s: 809 root: 0x4/. | [ 9729.350200][ T18] rcu: blocking rcu_node structures (internal RCU debug): | [ 9729.350353][ T18] Sending NMI from CPU 0 to CPUs 2: | [ 9729.350489][ C2] NMI backtrace for cpu 2 [ 9729.350503][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 9729.350507][ C2] Workqueue: mld mld_ifc_work [ 9729.350518][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9729.350525][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 9729.350528][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 9729.350531][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 9729.350533][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 9729.350535][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 9729.350537][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 9729.350539][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 9729.350540][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 9729.350542][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9729.350546][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 9729.350547][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 9729.350549][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 9729.350550][ C2] PKRU: 55555554 [ 9729.350552][ C2] Call Trace: [ 9729.350556][ C2] [ 9729.350561][ C2] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 9729.350566][ C2] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 9729.350573][ C2] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 9729.350579][ C2] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 9729.350585][ C2] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 9729.350588][ C2] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 9729.350596][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9729.350599][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9729.350602][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9729.350605][ C2] [ 9729.350606][ C2] [ 9729.350607][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 9729.350613][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 9729.350621][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 9729.350625][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 9729.350628][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 9729.350632][ C2] ? eth_header (net/ethernet/eth.c:100) [ 9729.350638][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 9729.350641][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 9729.350648][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 9729.350656][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 9729.350661][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 9729.350665][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 9729.350668][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 9729.350672][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 9729.350675][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 9729.350678][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 9729.350683][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 9729.350686][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 9729.350689][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 9729.350695][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 9729.350698][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 9729.350700][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 9729.350706][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 9729.350710][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 9729.350715][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 9729.350719][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 9729.350723][ C2] process_one_work (kernel/workqueue.c:3254) [ 9729.350731][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 9729.350736][ C2] ? assign_work (kernel/workqueue.c:1209) [ 9729.350740][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 9729.350744][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 9729.350748][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9729.350752][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9729.350754][ C2] kthread (kernel/kthread.c:388) [ 9729.350759][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 9729.350762][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 9729.350767][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 9729.350771][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 9756.470009][ C2] hardirqs last enabled at (6952496): irqentry_exit (kernel/entry/common.c:352) | [ 9756.470241][ C2] hardirqs last disabled at (6952497): sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043) | [ 9756.470506][ C2] softirqs last enabled at (4804798): neigh_resolve_output (net/core/neighbour.c:1539 net/core/neighbour.c:1553 net/core/neighbour.c:1543) | [ 9756.470765][ C2] softirqs last disabled at (4804802): __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:833 net/core/dev.c:4260) [ 9756.471315][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 9756.471603][ C2] Workqueue: mld mld_ifc_work [ 9756.471743][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9756.471984][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 9756.472452][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 9756.472615][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 9756.472809][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 9756.473003][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 9756.473204][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 9756.473395][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 9756.473658][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 9756.473882][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9756.474057][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 9756.474323][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 9756.474514][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 9756.474705][ C2] PKRU: 55555554 [ 9756.474899][ C2] Call Trace: [ 9756.475005][ C2] [ 9756.475074][ C2] ? watchdog_timer_fn (kernel/watchdog.c:548) [ 9756.475211][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 9756.475341][ C2] ? __pfx_watchdog_timer_fn (kernel/watchdog.c:466) [ 9756.475471][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 9756.475601][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 9756.475729][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 9756.475873][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 9756.476037][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 9756.476170][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 9756.476332][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 9756.476492][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 9756.476661][ C2] [ 9756.476727][ C2] [ 9756.476794][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 9756.476957][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9756.477087][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 9756.477323][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 9756.477456][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 9756.477593][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 9756.477691][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 9756.477922][ C2] ? eth_header (net/ethernet/eth.c:100) [ 9756.478054][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 9756.478183][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 9756.478314][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 9756.478458][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 9756.478587][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 9756.478685][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 9756.478815][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 9756.478944][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 9756.479075][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 9756.479203][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 9756.479342][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 9756.479472][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 9756.479604][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 9756.479765][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 9756.479932][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 9756.480069][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 9756.480272][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 9756.480402][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 9756.480533][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 9756.480664][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 9756.480896][ C2] process_one_work (kernel/workqueue.c:3254) [ 9756.481029][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 9756.481168][ C2] ? assign_work (kernel/workqueue.c:1209) [ 9756.481298][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 9756.481429][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 9756.481590][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9756.481719][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9756.481848][ C2] kthread (kernel/kthread.c:388) [ 9756.481959][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 9756.482090][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 9756.482218][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 9756.482347][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 9756.482480][ C2] | [ 9771.992773][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 9771.993143][ C2] rcu: 2-....: (1 GPs behind) idle=a8f4/1/0x4000000000000000 softirq=1873706/1873706 fqs=1650022 | [ 9771.993421][ C2] rcu: (t=4629136 jiffies g=3277105 q=95324 ncpus=4) [ 9771.993915][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 9771.994315][ C2] Workqueue: mld mld_ifc_work [ 9771.994464][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 9771.994610][ C2] Code: 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 29 f0 0f b7 c8 <39> ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 89 04 24 e8 All code ======== 0: 05 80 fa 03 7e add $0x7e03fa80,%eax 5: 36 8b 55 28 ss mov 0x28(%rbp),%edx 9: 44 39 ea cmp %r13d,%edx c: 76 15 jbe 0x23 e: 48 83 c4 10 add $0x10,%rsp 12: 5d pop %rbp 13: 41 5c pop %r12 15: 41 5d pop %r13 17: c3 ret 18: cc int3 19: cc int3 1a: cc int3 1b: cc int3 1c: 31 c0 xor %eax,%eax 1e: 45 31 ed xor %r13d,%r13d 21: eb 92 jmp 0xffffffffffffffb5 23: 89 d6 mov %edx,%esi 25: 29 f0 sub %esi,%eax 27: 0f b7 c8 movzwl %ax,%ecx 2a:* 39 ca cmp %ecx,%edx <-- trapping instruction 2c: 76 f7 jbe 0x25 2e: 48 83 c4 10 add $0x10,%rsp 32: 5d pop %rbp 33: 41 5c pop %r12 35: 41 5d pop %r13 37: c3 ret 38: cc int3 39: cc int3 3a: cc int3 3b: cc int3 3c: 89 04 24 mov %eax,(%rsp) 3f: e8 .byte 0xe8 Code starting with the faulting instruction =========================================== 0: 39 ca cmp %ecx,%edx 2: 76 f7 jbe 0xfffffffffffffffb 4: 48 83 c4 10 add $0x10,%rsp 8: 5d pop %rbp 9: 41 5c pop %r12 b: 41 5d pop %r13 d: c3 ret e: cc int3 f: cc int3 10: cc int3 11: cc int3 12: 89 04 24 mov %eax,(%rsp) 15: e8 .byte 0xe8 [ 9771.995196][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 9771.995370][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 9771.995659][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 9771.995867][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 9771.996080][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 9771.996367][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 9771.996570][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 9771.996896][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9771.997158][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 9771.997373][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 9771.997579][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 9771.997866][ C2] PKRU: 55555554 [ 9771.997973][ C2] Call Trace: [ 9771.998076][ C2] [ 9771.998158][ C2] ? rcu_dump_cpu_stacks (kernel/rcu/tree_stall.h:379) [ 9771.998305][ C2] ? print_cpu_stall (kernel/rcu/tree_stall.h:699) [ 9771.998525][ C2] ? check_cpu_stall (kernel/rcu/tree_stall.h:799 (discriminator 2)) [ 9771.998662][ C2] ? debug_object_deactivate (lib/debugobjects.c:779) [ 9771.998802][ C2] ? rcu_pending (kernel/rcu/tree.c:3941 (discriminator 31)) [ 9771.998940][ C2] ? rcu_sched_clock_irq (kernel/rcu/tree.c:2297 (discriminator 22)) [ 9771.999158][ C2] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 9771.999304][ C2] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 9771.999443][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 9771.999584][ C2] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 9771.999813][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 9771.999954][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 9772.000092][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 9772.000245][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 9772.000422][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 9772.000561][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 9772.000736][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 9772.000908][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 9772.001093][ C2] [ 9772.001163][ C2] [ 9772.001232][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 9772.001406][ C2] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 9772.001543][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 9772.001797][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 9772.001943][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 9772.002089][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 9772.002193][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 9772.002410][ C2] ? eth_header (net/ethernet/eth.c:100) [ 9772.002550][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 9772.002688][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 9772.002829][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 9772.003144][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 9772.003286][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 9772.003390][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 9772.003526][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 9772.003663][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 9772.003892][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 9772.004028][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 9772.004174][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 9772.004311][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 9772.004449][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 9772.004624][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 9772.004794][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 9772.004929][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 9772.005078][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 9772.005215][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 9772.005353][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 9772.005491][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 9772.005708][ C2] process_one_work (kernel/workqueue.c:3254) [ 9772.005851][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 9772.005998][ C2] ? assign_work (kernel/workqueue.c:1209) [ 9772.006136][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 9772.006352][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 9772.006524][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9772.006662][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9772.006799][ C2] kthread (kernel/kthread.c:388) [ 9772.006913][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 9772.007133][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 9772.007271][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 9772.007416][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 9796.469925][ C2] hardirqs last enabled at (6952496): irqentry_exit (kernel/entry/common.c:352) | [ 9796.470153][ C2] hardirqs last disabled at (6952497): sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043) | [ 9796.470490][ C2] softirqs last enabled at (4804798): neigh_resolve_output (net/core/neighbour.c:1539 net/core/neighbour.c:1553 net/core/neighbour.c:1543) | [ 9796.470746][ C2] softirqs last disabled at (4804802): __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:833 net/core/dev.c:4260) [ 9796.471282][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 9796.471641][ C2] Workqueue: mld mld_ifc_work [ 9796.471779][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9796.471914][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 9796.472453][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 9796.472619][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 9796.472812][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 9796.473090][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 9796.473282][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 9796.473546][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 9796.473737][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 9796.473970][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9796.474209][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 9796.474404][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 9796.474596][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 9796.474974][ C2] PKRU: 55555554 [ 9796.475079][ C2] Call Trace: [ 9796.475177][ C2] [ 9796.475246][ C2] ? watchdog_timer_fn (kernel/watchdog.c:548) [ 9796.475382][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 9796.475516][ C2] ? __pfx_watchdog_timer_fn (kernel/watchdog.c:466) [ 9796.475645][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 9796.475775][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 9796.475915][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 9796.476048][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 9796.476210][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 9796.476343][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 9796.476504][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 9796.476674][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 9796.476835][ C2] [ 9796.476901][ C2] [ 9796.476966][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 9796.477130][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9796.477330][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 9796.477494][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 9796.477636][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 9796.477764][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 9796.477953][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 9796.478085][ C2] ? eth_header (net/ethernet/eth.c:100) [ 9796.478217][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 9796.478346][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 9796.478488][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 9796.478619][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 9796.478752][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 9796.478851][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 9796.478981][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 9796.479110][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 9796.479239][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 9796.479379][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 9796.479508][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 9796.479718][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 9796.479851][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 9796.480014][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 9796.480173][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 9796.480379][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 9796.480509][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 9796.480639][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 9796.480769][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 9796.480970][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 9796.481101][ C2] process_one_work (kernel/workqueue.c:3254) [ 9796.481244][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 9796.481375][ C2] ? assign_work (kernel/workqueue.c:1209) [ 9796.481575][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 9796.481704][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 9796.481865][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9796.481994][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9796.482206][ C2] kthread (kernel/kthread.c:388) [ 9796.482307][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 9796.482435][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 9796.482566][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 9796.482698][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 9824.469844][ C2] hardirqs last enabled at (6952496): irqentry_exit (kernel/entry/common.c:352) | [ 9824.470081][ C2] hardirqs last disabled at (6952497): sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043) | [ 9824.470335][ C2] softirqs last enabled at (4804798): neigh_resolve_output (net/core/neighbour.c:1539 net/core/neighbour.c:1553 net/core/neighbour.c:1543) | [ 9824.470591][ C2] softirqs last disabled at (4804802): __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:833 net/core/dev.c:4260) [ 9824.471127][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 9824.471501][ C2] Workqueue: mld mld_ifc_work [ 9824.471640][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 9824.471780][ C2] Code: 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 29 f0 0f b7 c8 <39> ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 89 04 24 e8 All code ======== 0: 05 80 fa 03 7e add $0x7e03fa80,%eax 5: 36 8b 55 28 ss mov 0x28(%rbp),%edx 9: 44 39 ea cmp %r13d,%edx c: 76 15 jbe 0x23 e: 48 83 c4 10 add $0x10,%rsp 12: 5d pop %rbp 13: 41 5c pop %r12 15: 41 5d pop %r13 17: c3 ret 18: cc int3 19: cc int3 1a: cc int3 1b: cc int3 1c: 31 c0 xor %eax,%eax 1e: 45 31 ed xor %r13d,%r13d 21: eb 92 jmp 0xffffffffffffffb5 23: 89 d6 mov %edx,%esi 25: 29 f0 sub %esi,%eax 27: 0f b7 c8 movzwl %ax,%ecx 2a:* 39 ca cmp %ecx,%edx <-- trapping instruction 2c: 76 f7 jbe 0x25 2e: 48 83 c4 10 add $0x10,%rsp 32: 5d pop %rbp 33: 41 5c pop %r12 35: 41 5d pop %r13 37: c3 ret 38: cc int3 39: cc int3 3a: cc int3 3b: cc int3 3c: 89 04 24 mov %eax,(%rsp) 3f: e8 .byte 0xe8 Code starting with the faulting instruction =========================================== 0: 39 ca cmp %ecx,%edx 2: 76 f7 jbe 0xfffffffffffffffb 4: 48 83 c4 10 add $0x10,%rsp 8: 5d pop %rbp 9: 41 5c pop %r12 b: 41 5d pop %r13 d: c3 ret e: cc int3 f: cc int3 10: cc int3 11: cc int3 12: 89 04 24 mov %eax,(%rsp) 15: e8 .byte 0xe8 [ 9824.472319][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 9824.472486][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 9824.472750][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 9824.472955][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 9824.473147][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 9824.473412][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 9824.473603][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 9824.473954][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9824.474119][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 9824.474312][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 9824.474507][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 9824.474706][ C2] PKRU: 55555554 [ 9824.474804][ C2] Call Trace: [ 9824.474900][ C2] [ 9824.474968][ C2] ? watchdog_timer_fn (kernel/watchdog.c:548) [ 9824.475105][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 9824.475234][ C2] ? __pfx_watchdog_timer_fn (kernel/watchdog.c:466) [ 9824.475364][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 9824.475503][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 9824.475633][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 9824.475765][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 9824.475928][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 9824.476061][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 9824.476296][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 9824.476466][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 9824.476626][ C2] [ 9824.476692][ C2] [ 9824.476757][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 9824.477016][ C2] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 9824.477147][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 9824.477318][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 9824.477449][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 9824.477578][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 9824.477676][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 9824.477805][ C2] ? eth_header (net/ethernet/eth.c:100) [ 9824.477935][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 9824.478073][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 9824.478203][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 9824.478338][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 9824.478468][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 9824.478571][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 9824.478700][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 9824.478829][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 9824.478973][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 9824.479104][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 9824.479311][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 9824.479441][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 9824.479590][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 9824.479753][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 9824.480026][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 9824.480153][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 9824.480282][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 9824.480412][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 9824.480543][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 9824.480672][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 9824.480812][ C2] process_one_work (kernel/workqueue.c:3254) [ 9824.480944][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 9824.481076][ C2] ? assign_work (kernel/workqueue.c:1209) [ 9824.481205][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 9824.481333][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 9824.481493][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9824.481705][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9824.481836][ C2] kthread (kernel/kthread.c:388) [ 9824.481934][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 9824.482063][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 9824.482263][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 9824.482392][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 9827.653787][ T18] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 4654295 jiffies s: 809 root: 0x4/. | [ 9827.654197][ T18] rcu: blocking rcu_node structures (internal RCU debug): | [ 9827.654348][ T18] Sending NMI from CPU 0 to CPUs 2: | [ 9827.654535][ C2] NMI backtrace for cpu 2 [ 9827.654548][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 9827.654552][ C2] Workqueue: mld mld_ifc_work [ 9827.654563][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9827.654570][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 9827.654573][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 9827.654575][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 9827.654577][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 9827.654579][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 9827.654581][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 9827.654583][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 9827.654584][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 9827.654587][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9827.654590][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 9827.654591][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 9827.654593][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 9827.654594][ C2] PKRU: 55555554 [ 9827.654596][ C2] Call Trace: [ 9827.654600][ C2] [ 9827.654605][ C2] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 9827.654610][ C2] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 9827.654617][ C2] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 9827.654623][ C2] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 9827.654630][ C2] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 9827.654632][ C2] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 9827.654641][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9827.654643][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9827.654646][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9827.654649][ C2] [ 9827.654650][ C2] [ 9827.654651][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 9827.654657][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 9827.654664][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 9827.654667][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 9827.654671][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 9827.654674][ C2] ? eth_header (net/ethernet/eth.c:100) [ 9827.654680][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 9827.654684][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 9827.654690][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 9827.654698][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 9827.654703][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 9827.654706][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 9827.654710][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 9827.654713][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 9827.654717][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 9827.654719][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 9827.654724][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 9827.654727][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 9827.654730][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 9827.654736][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 9827.654739][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 9827.654741][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 9827.654746][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 9827.654751][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 9827.654755][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 9827.654759][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 9827.654763][ C2] process_one_work (kernel/workqueue.c:3254) [ 9827.654771][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 9827.654776][ C2] ? assign_work (kernel/workqueue.c:1209) [ 9827.654779][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 9827.654783][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 9827.654787][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9827.654791][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9827.654793][ C2] kthread (kernel/kthread.c:388) [ 9827.654798][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 9827.654801][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 9827.654804][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 9827.654807][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 9827.654815][ C2] | [ 9850.010773][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 9850.011222][ C2] rcu: 2-....: (1 GPs behind) idle=a8f4/1/0x4000000000000000 softirq=1873706/1873706 fqs=1679597 | [ 9850.011498][ C2] rcu: (t=4707154 jiffies g=3277105 q=96783 ncpus=4) [ 9850.012049][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 9850.012361][ C2] Workqueue: mld mld_ifc_work [ 9850.012514][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9850.012662][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 9850.013157][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 9850.013340][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 9850.013545][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 9850.013761][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 9850.013979][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 9850.014185][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 9850.014476][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 9850.014722][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9850.014896][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 9850.015185][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 9850.015390][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 9850.015605][ C2] PKRU: 55555554 [ 9850.015790][ C2] Call Trace: [ 9850.015896][ C2] [ 9850.015969][ C2] ? rcu_dump_cpu_stacks (kernel/rcu/tree_stall.h:379) [ 9850.016111][ C2] ? print_cpu_stall (kernel/rcu/tree_stall.h:699) [ 9850.016250][ C2] ? check_cpu_stall (kernel/rcu/tree_stall.h:799 (discriminator 2)) [ 9850.016467][ C2] ? debug_object_deactivate (lib/debugobjects.c:779) [ 9850.016618][ C2] ? rcu_pending (kernel/rcu/tree.c:3941 (discriminator 31)) [ 9850.016756][ C2] ? rcu_sched_clock_irq (kernel/rcu/tree.c:2297 (discriminator 22)) [ 9850.016896][ C2] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 9850.017195][ C2] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 9850.017334][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 9850.017471][ C2] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 9850.017609][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 9850.017856][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 9850.017995][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 9850.018135][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 9850.018308][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 9850.018447][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 9850.018629][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 9850.018800][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 9850.018974][ C2] [ 9850.019044][ C2] [ 9850.019113][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 9850.019289][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9850.019433][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 9850.019614][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 9850.019835][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 9850.019972][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 9850.020076][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 9850.020212][ C2] ? eth_header (net/ethernet/eth.c:100) [ 9850.020432][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 9850.020580][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 9850.020722][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 9850.020863][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 9850.021082][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 9850.021186][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 9850.021323][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 9850.021460][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 9850.021605][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 9850.021822][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 9850.021973][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 9850.022112][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 9850.022249][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 9850.022500][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 9850.022678][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 9850.022815][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 9850.022955][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 9850.023179][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 9850.023318][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 9850.023459][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 9850.023604][ C2] process_one_work (kernel/workqueue.c:3254) [ 9850.023827][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 9850.023966][ C2] ? assign_work (kernel/workqueue.c:1209) [ 9850.024104][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 9850.024241][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 9850.024414][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9850.024567][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9850.024704][ C2] kthread (kernel/kthread.c:388) [ 9850.024809][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 9850.024945][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 9850.025082][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 9850.025219][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 9876.469993][ C2] hardirqs last enabled at (6952496): irqentry_exit (kernel/entry/common.c:352) | [ 9876.470225][ C2] hardirqs last disabled at (6952497): sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043) | [ 9876.470484][ C2] softirqs last enabled at (4804798): neigh_resolve_output (net/core/neighbour.c:1539 net/core/neighbour.c:1553 net/core/neighbour.c:1543) | [ 9876.470813][ C2] softirqs last disabled at (4804802): __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:833 net/core/dev.c:4260) [ 9876.471661][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 9876.471958][ C2] Workqueue: mld mld_ifc_work [ 9876.472178][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9876.472315][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 9876.472867][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 9876.473031][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 9876.473238][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 9876.473432][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 9876.473623][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 9876.473814][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 9876.474021][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 9876.474244][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9876.474407][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 9876.474602][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 9876.474803][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 9876.475001][ C2] PKRU: 55555554 [ 9876.475170][ C2] Call Trace: [ 9876.475267][ C2] [ 9876.475337][ C2] ? watchdog_timer_fn (kernel/watchdog.c:548) [ 9876.475479][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 9876.475610][ C2] ? __pfx_watchdog_timer_fn (kernel/watchdog.c:466) [ 9876.475822][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 9876.475953][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 9876.476082][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 9876.476219][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 9876.476384][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 9876.476514][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 9876.476684][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 9876.476844][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 9876.477006][ C2] [ 9876.477072][ C2] [ 9876.477137][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 9876.477308][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9876.477445][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 9876.477608][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 9876.477741][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 9876.477870][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 9876.477968][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 9876.478175][ C2] ? eth_header (net/ethernet/eth.c:100) [ 9876.478314][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 9876.478448][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 9876.478580][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 9876.478783][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 9876.478913][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 9876.479012][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 9876.479141][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 9876.479285][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 9876.479485][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 9876.479622][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 9876.479752][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 9876.479881][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 9876.480081][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 9876.480253][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 9876.480412][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 9876.480539][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 9876.480746][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 9876.480882][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 9876.481013][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 9876.481150][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 9876.481421][ C2] process_one_work (kernel/workqueue.c:3254) [ 9876.481553][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 9876.481685][ C2] ? assign_work (kernel/workqueue.c:1209) [ 9876.481814][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 9876.482020][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 9876.482196][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9876.482326][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9876.482454][ C2] kthread (kernel/kthread.c:388) [ 9876.482624][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 9876.482753][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 9876.482884][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 9876.483021][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 9904.470041][ C2] hardirqs last enabled at (6952496): irqentry_exit (kernel/entry/common.c:352) | [ 9904.470273][ C2] hardirqs last disabled at (6952497): sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043) | [ 9904.470538][ C2] softirqs last enabled at (4804798): neigh_resolve_output (net/core/neighbour.c:1539 net/core/neighbour.c:1553 net/core/neighbour.c:1543) | [ 9904.470805][ C2] softirqs last disabled at (4804802): __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:833 net/core/dev.c:4260) [ 9904.471261][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 9904.471565][ C2] Workqueue: mld mld_ifc_work [ 9904.471707][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9904.471844][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 9904.472377][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 9904.472555][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 9904.472834][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 9904.473028][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 9904.473219][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 9904.473422][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 9904.473620][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 9904.473848][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9904.474012][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 9904.474214][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 9904.474412][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 9904.474610][ C2] PKRU: 55555554 [ 9904.474710][ C2] Call Trace: [ 9904.474807][ C2] [ 9904.474877][ C2] ? watchdog_timer_fn (kernel/watchdog.c:548) [ 9904.475010][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 9904.475222][ C2] ? __pfx_watchdog_timer_fn (kernel/watchdog.c:466) [ 9904.475353][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 9904.475484][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 9904.475618][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 9904.475823][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 9904.475986][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 9904.476126][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 9904.476288][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 9904.476451][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 9904.476611][ C2] [ 9904.476680][ C2] [ 9904.476756][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 9904.476931][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9904.477059][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 9904.477223][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 9904.477355][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 9904.477556][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 9904.477655][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 9904.477795][ C2] ? eth_header (net/ethernet/eth.c:100) [ 9904.477931][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 9904.478060][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 9904.478262][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 9904.478396][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 9904.478526][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 9904.478625][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 9904.478855][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 9904.478986][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 9904.479121][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 9904.479259][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 9904.479391][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 9904.479519][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 9904.479657][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 9904.479819][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 9904.479980][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 9904.480109][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 9904.480248][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 9904.480382][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 9904.480520][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 9904.480650][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 9904.480780][ C2] process_one_work (kernel/workqueue.c:3254) [ 9904.480918][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 9904.481049][ C2] ? assign_work (kernel/workqueue.c:1209) [ 9904.481257][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 9904.481393][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 9904.481560][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9904.481690][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9904.481910][ C2] kthread (kernel/kthread.c:388) [ 9904.482008][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 9904.482138][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 9904.513327][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 9904.513471][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 9925.957787][ T18] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 4752599 jiffies s: 809 root: 0x4/. | [ 9925.958141][ T18] rcu: blocking rcu_node structures (internal RCU debug): | [ 9925.958296][ T18] Sending NMI from CPU 0 to CPUs 2: | [ 9925.958433][ C2] NMI backtrace for cpu 2 [ 9925.958447][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 9925.958450][ C2] Workqueue: mld mld_ifc_work [ 9925.958463][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 9925.958469][ C2] Code: 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 29 f0 0f b7 c8 <39> ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 89 04 24 e8 All code ======== 0: 05 80 fa 03 7e add $0x7e03fa80,%eax 5: 36 8b 55 28 ss mov 0x28(%rbp),%edx 9: 44 39 ea cmp %r13d,%edx c: 76 15 jbe 0x23 e: 48 83 c4 10 add $0x10,%rsp 12: 5d pop %rbp 13: 41 5c pop %r12 15: 41 5d pop %r13 17: c3 ret 18: cc int3 19: cc int3 1a: cc int3 1b: cc int3 1c: 31 c0 xor %eax,%eax 1e: 45 31 ed xor %r13d,%r13d 21: eb 92 jmp 0xffffffffffffffb5 23: 89 d6 mov %edx,%esi 25: 29 f0 sub %esi,%eax 27: 0f b7 c8 movzwl %ax,%ecx 2a:* 39 ca cmp %ecx,%edx <-- trapping instruction 2c: 76 f7 jbe 0x25 2e: 48 83 c4 10 add $0x10,%rsp 32: 5d pop %rbp 33: 41 5c pop %r12 35: 41 5d pop %r13 37: c3 ret 38: cc int3 39: cc int3 3a: cc int3 3b: cc int3 3c: 89 04 24 mov %eax,(%rsp) 3f: e8 .byte 0xe8 Code starting with the faulting instruction =========================================== 0: 39 ca cmp %ecx,%edx 2: 76 f7 jbe 0xfffffffffffffffb 4: 48 83 c4 10 add $0x10,%rsp 8: 5d pop %rbp 9: 41 5c pop %r12 b: 41 5d pop %r13 d: c3 ret e: cc int3 f: cc int3 10: cc int3 11: cc int3 12: 89 04 24 mov %eax,(%rsp) 15: e8 .byte 0xe8 [ 9925.958472][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 9925.958475][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 9925.958477][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 9925.958479][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 9925.958481][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 9925.958483][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 9925.958484][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 9925.958487][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9925.958490][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 9925.958492][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 9925.958493][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 9925.958495][ C2] PKRU: 55555554 [ 9925.958496][ C2] Call Trace: [ 9925.958500][ C2] [ 9925.958505][ C2] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 9925.958510][ C2] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 9925.958517][ C2] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 9925.958523][ C2] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 9925.958530][ C2] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 9925.958533][ C2] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 9925.958541][ C2] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 9925.958543][ C2] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 9925.958546][ C2] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 9925.958549][ C2] [ 9925.958550][ C2] [ 9925.958551][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 9925.958557][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 9925.958565][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 9925.958568][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 9925.958571][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 9925.958575][ C2] ? eth_header (net/ethernet/eth.c:100) [ 9925.958580][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 9925.958584][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 9925.958590][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 9925.958598][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 9925.958603][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 9925.958607][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 9925.958610][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 9925.958614][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 9925.958617][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 9925.958620][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 9925.958624][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 9925.958629][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 9925.958632][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 9925.958638][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 9925.958642][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 9925.958644][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 9925.958649][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 9925.958653][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 9925.958658][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 9925.958663][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 9925.958666][ C2] process_one_work (kernel/workqueue.c:3254) [ 9925.958674][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 9925.958679][ C2] ? assign_work (kernel/workqueue.c:1209) [ 9925.958683][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 9925.958687][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 9925.958692][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9925.958695][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9925.958698][ C2] kthread (kernel/kthread.c:388) [ 9925.958702][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 9925.958705][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 9925.958710][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 9925.958712][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 9925.958721][ C2] | [ 9928.027788][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 9928.028037][ C2] rcu: 2-....: (1 GPs behind) idle=a8f4/1/0x4000000000000000 softirq=1873706/1873706 fqs=1708929 | [ 9928.028399][ C2] rcu: (t=4785171 jiffies g=3277105 q=98242 ncpus=4) [ 9928.028936][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 9928.029265][ C2] Workqueue: mld mld_ifc_work [ 9928.029420][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9928.029569][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 9928.030061][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 9928.030239][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 9928.030452][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 9928.030654][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 9928.030951][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 9928.031151][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 9928.031356][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 9928.031590][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9928.031759][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 9928.031966][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 9928.032170][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 9928.032369][ C2] PKRU: 55555554 [ 9928.032489][ C2] Call Trace: [ 9928.032674][ C2] [ 9928.032747][ C2] ? rcu_dump_cpu_stacks (kernel/rcu/tree_stall.h:379) [ 9928.032889][ C2] ? print_cpu_stall (kernel/rcu/tree_stall.h:699) [ 9928.033031][ C2] ? check_cpu_stall (kernel/rcu/tree_stall.h:799 (discriminator 2)) [ 9928.033173][ C2] ? debug_object_deactivate (lib/debugobjects.c:779) [ 9928.033394][ C2] ? rcu_pending (kernel/rcu/tree.c:3941 (discriminator 31)) [ 9928.033535][ C2] ? rcu_sched_clock_irq (kernel/rcu/tree.c:2297 (discriminator 22)) [ 9928.033672][ C2] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 9928.033811][ C2] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 9928.034033][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 9928.034170][ C2] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 9928.034313][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 9928.034451][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 9928.034669][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 9928.034808][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 9928.034990][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 9928.035128][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 9928.035388][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 9928.035568][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 9928.035741][ C2] [ 9928.035811][ C2] [ 9928.035881][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 9928.036140][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9928.036278][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 9928.036451][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 9928.036597][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 9928.036821][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 9928.036931][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 9928.037071][ C2] ? eth_header (net/ethernet/eth.c:100) [ 9928.037210][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 9928.037428][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 9928.037572][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 9928.037712][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 9928.037851][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 9928.037959][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 9928.038183][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 9928.038321][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 9928.038458][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 9928.038600][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 9928.038824][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 9928.038962][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 9928.039117][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 9928.039289][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 9928.039551][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 9928.039688][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 9928.039828][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 9928.039970][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 9928.040189][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 9928.040327][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 9928.040465][ C2] process_one_work (kernel/workqueue.c:3254) [ 9928.040609][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 9928.040943][ C2] ? assign_work (kernel/workqueue.c:1209) [ 9928.041087][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 9928.041229][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 9928.041401][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9928.041540][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9928.041678][ C2] kthread (kernel/kthread.c:388) [ 9928.041783][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 9928.041921][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 9928.042064][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 9928.042206][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 9952.469808][ C2] hardirqs last enabled at (6952496): irqentry_exit (kernel/entry/common.c:352) | [ 9952.470153][ C2] hardirqs last disabled at (6952497): sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043) | [ 9952.470409][ C2] softirqs last enabled at (4804798): neigh_resolve_output (net/core/neighbour.c:1539 net/core/neighbour.c:1553 net/core/neighbour.c:1543) | [ 9952.470672][ C2] softirqs last disabled at (4804802): __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:833 net/core/dev.c:4260) [ 9952.471223][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 9952.471516][ C2] Workqueue: mld mld_ifc_work [ 9952.471653][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9952.471917][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 9952.472387][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 9952.472555][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 9952.472749][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 9952.472941][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 9952.473145][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 9952.473336][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 9952.473533][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 9952.473759][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9952.473923][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 9952.474128][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 9952.474394][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 9952.474592][ C2] PKRU: 55555554 [ 9952.474690][ C2] Call Trace: [ 9952.474887][ C2] [ 9952.474959][ C2] ? watchdog_timer_fn (kernel/watchdog.c:548) [ 9952.475094][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 9952.475226][ C2] ? __pfx_watchdog_timer_fn (kernel/watchdog.c:466) [ 9952.475362][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 9952.475494][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 9952.475625][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 9952.475756][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 9952.475923][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 9952.476055][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 9952.476218][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 9952.476385][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 9952.476547][ C2] [ 9952.476617][ C2] [ 9952.476683][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 9952.476952][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9952.477084][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 9952.477391][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 9952.477523][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 9952.477659][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 9952.477761][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 9952.477891][ C2] ? eth_header (net/ethernet/eth.c:100) [ 9952.478094][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 9952.478224][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 9952.478356][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 9952.478489][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 9952.478698][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 9952.478797][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 9952.478940][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 9952.479070][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 9952.479200][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 9952.479399][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 9952.479529][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 9952.479667][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 9952.479797][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 9952.480031][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 9952.480197][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 9952.480325][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 9952.480459][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 9952.480665][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 9952.480797][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 9952.480927][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 9952.481057][ C2] process_one_work (kernel/workqueue.c:3254) [ 9952.481260][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 9952.481400][ C2] ? assign_work (kernel/workqueue.c:1209) [ 9952.481532][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 9952.481661][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 9952.481923][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9952.482053][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9952.482182][ C2] kthread (kernel/kthread.c:388) [ 9952.482280][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 9952.482415][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 9952.482550][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 9952.482683][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 9980.469880][ C2] hardirqs last enabled at (6952496): irqentry_exit (kernel/entry/common.c:352) | [ 9980.470111][ C2] hardirqs last disabled at (6952497): sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043) | [ 9980.470446][ C2] softirqs last enabled at (4804798): neigh_resolve_output (net/core/neighbour.c:1539 net/core/neighbour.c:1553 net/core/neighbour.c:1543) | [ 9980.470705][ C2] softirqs last disabled at (4804802): __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:833 net/core/dev.c:4260) [ 9980.471245][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 9980.471536][ C2] Workqueue: mld mld_ifc_work [ 9980.471751][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9980.471888][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [ 9980.472428][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [ 9980.472592][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [ 9980.472786][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [ 9980.473051][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [ 9980.473252][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [ 9980.473444][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [ 9980.473784][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 9980.474008][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9980.474174][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [ 9980.474447][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 9980.474640][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 9980.474834][ C2] PKRU: 55555554 [ 9980.475008][ C2] Call Trace: [ 9980.475108][ C2] [ 9980.475178][ C2] ? watchdog_timer_fn (kernel/watchdog.c:548) [ 9980.475312][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [ 9980.475449][ C2] ? __pfx_watchdog_timer_fn (kernel/watchdog.c:466) [ 9980.475650][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [ 9980.475779][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [ 9980.475909][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 9980.476042][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [ 9980.476274][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 9980.476405][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [ 9980.476574][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 9980.476740][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 9980.477007][ C2] [ 9980.477073][ C2] [ 9980.477139][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 9980.477302][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9980.477432][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [ 9980.477594][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [ 9980.477732][ C2] __dev_queue_xmit (net/core/dev.c:4295) [ 9980.477871][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 9980.477970][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 9980.478099][ C2] ? eth_header (net/ethernet/eth.c:100) [ 9980.478230][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [ 9980.478359][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 9980.478489][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 9980.478624][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 9980.478753][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 9980.478867][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 9980.478997][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 9980.479198][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 9980.479327][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [ 9980.479456][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 9980.479588][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 9980.479718][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 9980.479937][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [ 9980.480113][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 9980.480272][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 9980.480406][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [ 9980.480537][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [ 9980.480668][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 9980.480799][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 9980.480932][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [ 9980.481061][ C2] process_one_work (kernel/workqueue.c:3254) [ 9980.481194][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [ 9980.481335][ C2] ? assign_work (kernel/workqueue.c:1209) [ 9980.481464][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 9980.481594][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 9980.481755][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9980.481885][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9980.482013][ C2] kthread (kernel/kthread.c:388) [ 9980.482187][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 9980.482322][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [ 9980.482452][ C2] ? __pfx_kthread (kernel/kthread.c:341) [ 9980.482580][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 9980.482783][ C2] | [10006.044789][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU | [10006.045187][ C2] rcu: 2-....: (1 GPs behind) idle=a8f4/1/0x4000000000000000 softirq=1873706/1873706 fqs=1738323 | [10006.045474][ C2] rcu: (t=4863188 jiffies g=3277105 q=99374 ncpus=4) [10006.046059][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [10006.046452][ C2] Workqueue: mld mld_ifc_work [10006.046603][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [10006.046750][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [10006.047334][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [10006.047508][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [10006.047796][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [10006.048001][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [10006.048214][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [10006.048500][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [10006.048712][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [10006.048953][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [10006.049213][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [10006.049434][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [10006.049652][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [10006.049940][ C2] PKRU: 55555554 [10006.050044][ C2] Call Trace: [10006.050148][ C2] [10006.050225][ C2] ? rcu_dump_cpu_stacks (kernel/rcu/tree_stall.h:379) [10006.050447][ C2] ? print_cpu_stall (kernel/rcu/tree_stall.h:699) [10006.050593][ C2] ? check_cpu_stall (kernel/rcu/tree_stall.h:799 (discriminator 2)) [10006.050730][ C2] ? debug_object_deactivate (lib/debugobjects.c:779) [10006.050871][ C2] ? rcu_pending (kernel/rcu/tree.c:3941 (discriminator 31)) [10006.051010][ C2] ? rcu_sched_clock_irq (kernel/rcu/tree.c:2297 (discriminator 22)) [10006.051232][ C2] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [10006.051375][ C2] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [10006.051516][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [10006.051654][ C2] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [10006.051888][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [10006.052026][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [10006.052164][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [10006.052309][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [10006.052484][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [10006.052623][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [10006.052808][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [10006.052985][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [10006.053160][ C2] [10006.053230][ C2] [10006.053299][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [10006.053474][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [10006.053693][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [10006.053867][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [10006.054010][ C2] __dev_queue_xmit (net/core/dev.c:4295) [10006.054159][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [10006.054264][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [10006.054492][ C2] ? eth_header (net/ethernet/eth.c:100) [10006.054634][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [10006.054771][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [10006.054912][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [10006.055137][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [10006.055276][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [10006.055381][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [10006.055525][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [10006.055742][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [10006.055880][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [10006.056016][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [10006.056156][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [10006.056295][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [10006.056598][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [10006.056770][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [10006.056947][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [10006.057169][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [10006.057311][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [10006.057449][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [10006.057589][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [10006.057728][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [10006.057968][ C2] process_one_work (kernel/workqueue.c:3254) [10006.058109][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [10006.058264][ C2] ? assign_work (kernel/workqueue.c:1209) [10006.058402][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [10006.058541][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [10006.058719][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [10006.058857][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [10006.058994][ C2] kthread (kernel/kthread.c:388) [10006.059103][ C2] ? __pfx_kthread (kernel/kthread.c:341) [10006.059241][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [10006.059386][ C2] ? __pfx_kthread (kernel/kthread.c:341) [10006.059523][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [10024.261792][ T18] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 2-.... } 4850903 jiffies s: 809 root: 0x4/. | [10024.262225][ T18] rcu: blocking rcu_node structures (internal RCU debug): | [10024.262383][ T18] Sending NMI from CPU 0 to CPUs 2: | [10024.262564][ C2] NMI backtrace for cpu 2 [10024.262584][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [10024.262587][ C2] Workqueue: mld mld_ifc_work [10024.262601][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [10024.262609][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [10024.262612][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [10024.262614][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [10024.262616][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [10024.262618][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [10024.262620][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [10024.262622][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [10024.262624][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [10024.262626][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [10024.262629][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [10024.262631][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [10024.262632][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [10024.262633][ C2] PKRU: 55555554 [10024.262635][ C2] Call Trace: [10024.262639][ C2] [10024.262644][ C2] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [10024.262649][ C2] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [10024.262656][ C2] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [10024.262662][ C2] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [10024.262668][ C2] ? exc_nmi (arch/x86/kernel/nmi.c:546) [10024.262671][ C2] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [10024.262679][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [10024.262682][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [10024.262685][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [10024.262688][ C2] [10024.262688][ C2] [10024.262689][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [10024.262696][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [10024.262704][ C2] __dev_queue_xmit (net/core/dev.c:4295) [10024.262707][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [10024.262711][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [10024.262714][ C2] ? eth_header (net/ethernet/eth.c:100) [10024.262720][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [10024.262724][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [10024.262730][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [10024.262739][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [10024.262744][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [10024.262748][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [10024.262751][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [10024.262754][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [10024.262758][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [10024.262760][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [10024.262765][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [10024.262771][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [10024.262774][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [10024.262781][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [10024.262784][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [10024.262786][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [10024.262792][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [10024.262796][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [10024.262801][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [10024.262805][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [10024.262808][ C2] process_one_work (kernel/workqueue.c:3254) [10024.262816][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [10024.262821][ C2] ? assign_work (kernel/workqueue.c:1209) [10024.262825][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [10024.262829][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [10024.262833][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [10024.262837][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [10024.262839][ C2] kthread (kernel/kthread.c:388) [10024.262844][ C2] ? __pfx_kthread (kernel/kthread.c:341) [10024.262847][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [10024.262851][ C2] ? __pfx_kthread (kernel/kthread.c:341) [10024.262853][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [10048.470265][ C2] hardirqs last enabled at (6952496): irqentry_exit (kernel/entry/common.c:352) | [10048.470501][ C2] hardirqs last disabled at (6952497): sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043) | [10048.470754][ C2] softirqs last enabled at (4804798): neigh_resolve_output (net/core/neighbour.c:1539 net/core/neighbour.c:1553 net/core/neighbour.c:1543) | [10048.471017][ C2] softirqs last disabled at (4804802): __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:833 net/core/dev.c:4260) [10048.471481][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [10048.471770][ C2] Workqueue: mld mld_ifc_work [10048.471909][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [10048.472046][ C2] Code: 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 29 f0 0f b7 c8 <39> ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 89 04 24 e8 All code ======== 0: 05 80 fa 03 7e add $0x7e03fa80,%eax 5: 36 8b 55 28 ss mov 0x28(%rbp),%edx 9: 44 39 ea cmp %r13d,%edx c: 76 15 jbe 0x23 e: 48 83 c4 10 add $0x10,%rsp 12: 5d pop %rbp 13: 41 5c pop %r12 15: 41 5d pop %r13 17: c3 ret 18: cc int3 19: cc int3 1a: cc int3 1b: cc int3 1c: 31 c0 xor %eax,%eax 1e: 45 31 ed xor %r13d,%r13d 21: eb 92 jmp 0xffffffffffffffb5 23: 89 d6 mov %edx,%esi 25: 29 f0 sub %esi,%eax 27: 0f b7 c8 movzwl %ax,%ecx 2a:* 39 ca cmp %ecx,%edx <-- trapping instruction 2c: 76 f7 jbe 0x25 2e: 48 83 c4 10 add $0x10,%rsp 32: 5d pop %rbp 33: 41 5c pop %r12 35: 41 5d pop %r13 37: c3 ret 38: cc int3 39: cc int3 3a: cc int3 3b: cc int3 3c: 89 04 24 mov %eax,(%rsp) 3f: e8 .byte 0xe8 Code starting with the faulting instruction =========================================== 0: 39 ca cmp %ecx,%edx 2: 76 f7 jbe 0xfffffffffffffffb 4: 48 83 c4 10 add $0x10,%rsp 8: 5d pop %rbp 9: 41 5c pop %r12 b: 41 5d pop %r13 d: c3 ret e: cc int3 f: cc int3 10: cc int3 11: cc int3 12: 89 04 24 mov %eax,(%rsp) 15: e8 .byte 0xe8 [10048.472580][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [10048.472746][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [10048.473012][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [10048.473208][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [10048.473400][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [10048.473665][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [10048.473857][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [10048.474231][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [10048.474394][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [10048.474589][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [10048.474872][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [10048.475068][ C2] PKRU: 55555554 [10048.475165][ C2] Call Trace: [10048.475264][ C2] [10048.475333][ C2] ? watchdog_timer_fn (kernel/watchdog.c:548) [10048.475470][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [10048.475601][ C2] ? __pfx_watchdog_timer_fn (kernel/watchdog.c:466) [10048.475730][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [10048.475863][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [10048.475995][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [10048.476126][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [10048.476290][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [10048.476421][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [10048.476582][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [10048.476752][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [10048.476913][ C2] [10048.476980][ C2] [10048.477045][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [10048.477281][ C2] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [10048.477413][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [10048.477580][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [10048.477784][ C2] __dev_queue_xmit (net/core/dev.c:4295) [10048.477915][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [10048.478014][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [10048.478145][ C2] ? eth_header (net/ethernet/eth.c:100) [10048.478276][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [10048.478407][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [10048.478552][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [10048.478685][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [10048.478815][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [10048.478915][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [10048.479045][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [10048.479174][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [10048.479305][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [10048.479435][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [10048.479564][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [10048.479694][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [10048.479824][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [10048.479986][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [10048.480221][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [10048.480349][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [10048.480480][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [10048.480610][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [10048.480812][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [10048.480944][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [10048.481076][ C2] process_one_work (kernel/workqueue.c:3254) [10048.481210][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [10048.481411][ C2] ? assign_work (kernel/workqueue.c:1209) [10048.481543][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [10048.481673][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [10048.481835][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [10048.482038][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [10048.482169][ C2] kthread (kernel/kthread.c:388) [10048.482271][ C2] ? __pfx_kthread (kernel/kthread.c:341) [10048.482399][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [10048.482600][ C2] ? __pfx_kthread (kernel/kthread.c:341) [10048.482728][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [10076.469842][ C2] hardirqs last enabled at (6952496): irqentry_exit (kernel/entry/common.c:352) | [10076.470237][ C2] hardirqs last disabled at (6952497): sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043) | [10076.470493][ C2] softirqs last enabled at (4804798): neigh_resolve_output (net/core/neighbour.c:1539 net/core/neighbour.c:1553 net/core/neighbour.c:1543) | [10076.470758][ C2] softirqs last disabled at (4804802): __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:833 net/core/dev.c:4260) [10076.471294][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [10076.471586][ C2] Workqueue: mld mld_ifc_work [10076.471725][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [10076.471942][ C2] Code: 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 29 f0 0f b7 c8 <39> ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 89 04 24 e8 All code ======== 0: 05 80 fa 03 7e add $0x7e03fa80,%eax 5: 36 8b 55 28 ss mov 0x28(%rbp),%edx 9: 44 39 ea cmp %r13d,%edx c: 76 15 jbe 0x23 e: 48 83 c4 10 add $0x10,%rsp 12: 5d pop %rbp 13: 41 5c pop %r12 15: 41 5d pop %r13 17: c3 ret 18: cc int3 19: cc int3 1a: cc int3 1b: cc int3 1c: 31 c0 xor %eax,%eax 1e: 45 31 ed xor %r13d,%r13d 21: eb 92 jmp 0xffffffffffffffb5 23: 89 d6 mov %edx,%esi 25: 29 f0 sub %esi,%eax 27: 0f b7 c8 movzwl %ax,%ecx 2a:* 39 ca cmp %ecx,%edx <-- trapping instruction 2c: 76 f7 jbe 0x25 2e: 48 83 c4 10 add $0x10,%rsp 32: 5d pop %rbp 33: 41 5c pop %r12 35: 41 5d pop %r13 37: c3 ret 38: cc int3 39: cc int3 3a: cc int3 3b: cc int3 3c: 89 04 24 mov %eax,(%rsp) 3f: e8 .byte 0xe8 Code starting with the faulting instruction =========================================== 0: 39 ca cmp %ecx,%edx 2: 76 f7 jbe 0xfffffffffffffffb 4: 48 83 c4 10 add $0x10,%rsp 8: 5d pop %rbp 9: 41 5c pop %r12 b: 41 5d pop %r13 d: c3 ret e: cc int3 f: cc int3 10: cc int3 11: cc int3 12: 89 04 24 mov %eax,(%rsp) 15: e8 .byte 0xe8 [10076.472398][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [10076.472634][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [10076.472833][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [10076.473024][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [10076.473289][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [10076.473481][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [10076.473676][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [10076.473986][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [10076.474148][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [10076.474344][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [10076.474536][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [10076.474731][ C2] PKRU: 55555554 [10076.474831][ C2] Call Trace: [10076.474928][ C2] [10076.474997][ C2] ? watchdog_timer_fn (kernel/watchdog.c:548) [10076.475131][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [10076.475261][ C2] ? __pfx_watchdog_timer_fn (kernel/watchdog.c:466) [10076.475393][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [10076.475524][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [10076.475652][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [10076.475783][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [10076.475947][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [10076.476149][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [10076.476315][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [10076.476474][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [10076.476705][ C2] [10076.476772][ C2] [10076.476839][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [10076.477002][ C2] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [10076.477133][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [10076.477377][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [10076.477509][ C2] __dev_queue_xmit (net/core/dev.c:4295) [10076.477638][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [10076.477737][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [10076.477867][ C2] ? eth_header (net/ethernet/eth.c:100) [10076.478070][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [10076.478203][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [10076.478336][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [10076.478475][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [10076.478679][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [10076.478778][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [10076.478907][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [10076.479039][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [10076.479239][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [10076.479369][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [10076.479500][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [10076.479629][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [10076.479758][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [10076.480024][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [10076.480184][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [10076.480311][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [10076.480443][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [10076.480573][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [10076.480706][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [10076.480839][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [10076.480968][ C2] process_one_work (kernel/workqueue.c:3254) [10076.481099][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [10076.481230][ C2] ? assign_work (kernel/workqueue.c:1209) [10076.481360][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [10076.481489][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [10076.481653][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [10076.481785][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [10076.481913][ C2] kthread (kernel/kthread.c:388) [10076.482011][ C2] ? __pfx_kthread (kernel/kthread.c:341) [10076.482218][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [10076.482347][ C2] ? __pfx_kthread (kernel/kthread.c:341) [10076.482475][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [10076.482612][ C2] | [10084.063774][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU | [10084.064069][ C2] rcu: 2-....: (1 GPs behind) idle=a8f4/1/0x4000000000000000 softirq=1873706/1873706 fqs=1767888 | [10084.064353][ C2] rcu: (t=4941207 jiffies g=3277105 q=100833 ncpus=4) [10084.064858][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [10084.065168][ C2] Workqueue: mld mld_ifc_work [10084.065413][ C2] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [10084.065560][ C2] Code: 14 11 84 d2 74 05 80 fa 03 7e 36 8b 55 28 44 39 ea 76 15 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc cc 31 c0 45 31 ed eb 92 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 48 83 c4 10 5d 41 5c 41 5d c3 cc cc cc All code ======== 0: 14 11 adc $0x11,%al 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: 80 fa 03 cmp $0x3,%dl 9: 7e 36 jle 0x41 b: 8b 55 28 mov 0x28(%rbp),%edx e: 44 39 ea cmp %r13d,%edx 11: 76 15 jbe 0x28 13: 48 83 c4 10 add $0x10,%rsp 17: 5d pop %rbp 18: 41 5c pop %r12 1a: 41 5d pop %r13 1c: c3 ret 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: 31 c0 xor %eax,%eax 23: 45 31 ed xor %r13d,%r13d 26: eb 92 jmp 0xffffffffffffffba 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: 48 83 c4 10 add $0x10,%rsp 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: c3 ret 3d: cc int3 3e: cc int3 3f: cc int3 Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: 48 83 c4 10 add $0x10,%rsp d: 5d pop %rbp e: 41 5c pop %r12 10: 41 5d pop %r13 12: c3 ret 13: cc int3 14: cc int3 15: cc int3 [10084.066134][ C2] RSP: 0018:ffffc90000377770 EFLAGS: 00000246 [10084.066310][ C2] RAX: 0000000000000000 RBX: ffff888005251000 RCX: 0000000000000000 [10084.066518][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888005251028 [10084.066810][ C2] RBP: ffff888005251000 R08: 0000000000000001 R09: fffffbfff1fd7eb2 [10084.067015][ C2] R10: ffffffff8febf597 R11: ffffc90000377471 R12: 0000000000000000 [10084.067221][ C2] R13: 0000000000000000 R14: ffff888005251028 R15: ffff8880060a3918 [10084.067508][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [10084.067753][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [10084.068008][ C2] CR2: 00007f5fd2e71270 CR3: 0000000002c94005 CR4: 0000000000770ef0 [10084.068214][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [10084.068426][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [10084.068718][ C2] PKRU: 55555554 [10084.068824][ C2] Call Trace: [10084.068928][ C2] [10084.069007][ C2] ? rcu_dump_cpu_stacks (kernel/rcu/tree_stall.h:379) [10084.069152][ C2] ? print_cpu_stall (kernel/rcu/tree_stall.h:699) [10084.069371][ C2] ? check_cpu_stall (kernel/rcu/tree_stall.h:799 (discriminator 2)) [10084.069509][ C2] ? debug_object_deactivate (lib/debugobjects.c:779) [10084.069652][ C2] ? rcu_pending (kernel/rcu/tree.c:3941 (discriminator 31)) [10084.069790][ C2] ? rcu_sched_clock_irq (kernel/rcu/tree.c:2297 (discriminator 22)) [10084.069928][ C2] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [10084.070148][ C2] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [10084.070289][ C2] ? __run_hrtimer (kernel/time/hrtimer.c:1692) [10084.070425][ C2] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [10084.070563][ C2] ? __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1736) [10084.070786][ C2] ? __pfx___hrtimer_run_queues (kernel/time/hrtimer.c:1726) [10084.070923][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [10084.071062][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:2321 (discriminator 4)) [10084.071237][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [10084.071535][ C2] ? __flush_smp_call_function_queue (kernel/smp.c:134 kernel/smp.c:558) [10084.071709][ C2] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [10084.071880][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [10084.072134][ C2] [10084.072204][ C2] [10084.072274][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [10084.072449][ C2] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [10084.072586][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) [10084.072858][ C2] netdev_core_pick_tx (net/core/dev.c:4211) [10084.073001][ C2] __dev_queue_xmit (net/core/dev.c:4295) [10084.073138][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [10084.073243][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274) [10084.073383][ C2] ? eth_header (net/ethernet/eth.c:100) [10084.073536][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4244) [10084.073679][ C2] ? neigh_resolve_output (./include/linux/netdevice.h:3145 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [10084.073825][ C2] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [10084.073966][ C2] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [10084.074107][ C2] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [10084.074212][ C2] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [10084.074350][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [10084.074487][ C2] ? find_held_lock (kernel/locking/lockdep.c:5244) [10084.074707][ C2] ? __lock_release (kernel/locking/lockdep.c:5430) [10084.074844][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [10084.074986][ C2] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [10084.075125][ C2] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [10084.075263][ C2] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3136) [10084.075514][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [10084.075687][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [10084.075823][ C2] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:387) [10084.076043][ C2] mld_sendpack (net/ipv6/mcast.c:1822) [10084.076182][ C2] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [10084.076321][ C2] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [10084.076462][ C2] mld_ifc_work (net/ipv6/mcast.c:2652) [10084.076603][ C2] process_one_work (kernel/workqueue.c:3254) [10084.076824][ C2] ? __pfx_process_one_work (kernel/workqueue.c:3156) [10084.076964][ C2] ? assign_work (kernel/workqueue.c:1209) [10084.077102][ C2] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [10084.077240][ C2] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [10084.077491][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [10084.077632][ C2] ? __pfx_worker_thread (kernel/workqueue.c:3362) [10084.077771][ C2] kthread (kernel/kthread.c:388) [10084.077876][ C2] ? __pfx_kthread (kernel/kthread.c:341) [10084.078098][ C2] ret_from_fork (arch/x86/kernel/process.c:147) [10084.078235][ C2] ? __pfx_kthread (kernel/kthread.c:341) Finger prints: team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 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