Warning: Permanently added '10.128.0.198' (ECDSA) to the list of known hosts. 2019/12/04 07:45:25 fuzzer started 2019/12/04 07:45:26 dialing manager at 10.128.0.26:42111 2019/12/04 07:45:26 syscalls: 2689 2019/12/04 07:45:26 code coverage: enabled 2019/12/04 07:45:26 comparison tracing: enabled 2019/12/04 07:45:26 extra coverage: extra coverage is not supported by the kernel 2019/12/04 07:45:26 setuid sandbox: enabled 2019/12/04 07:45:26 namespace sandbox: enabled 2019/12/04 07:45:26 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/04 07:45:26 fault injection: enabled 2019/12/04 07:45:26 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/04 07:45:26 net packet injection: enabled 2019/12/04 07:45:26 net device setup: enabled 2019/12/04 07:45:26 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/04 07:45:26 devlink PCI setup: PCI device 0000:00:10.0 is not available 07:45:27 executing program 0: r0 = openat$capi20(0xffffffffffffff9c, &(0x7f0000000040)='/dev/capi20\x00', 0x0, 0x0) ioctl$CAPI_MANUFACTURER_CMD(r0, 0xc0404309, &(0x7f0000001080)={0x5, 0x0}) 07:45:28 executing program 1: r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000000)={0x9, 0x1a, 0x400, 0xc}, 0x3c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f0000000080)={r0, &(0x7f0000000000), &(0x7f00000002c0)}, 0x1b) bpf$MAP_LOOKUP_ELEM(0x1, &(0x7f0000000040)={r0, &(0x7f0000000000), &(0x7f0000000340)=""/156}, 0x20) syzkaller login: [ 66.331751][ T8511] IPVS: ftp: loaded support on port[0] = 21 [ 66.528110][ T8511] chnl_net:caif_netlink_parms(): no params data found [ 66.544394][ T8514] IPVS: ftp: loaded support on port[0] = 21 07:45:28 executing program 2: r0 = socket$can_raw(0x1d, 0x3, 0x1) setsockopt(r0, 0x65, 0x10000000005, &(0x7f0000000000)="e1affde3", 0x4) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) ioctl$ifreq_SIOCGIFINDEX_vcan(r1, 0x8933, &(0x7f0000000100)={'vcan0\x00', 0x0}) sendmsg$can_raw(r0, &(0x7f0000000180)={&(0x7f0000000080)={0x1d, r2}, 0x10, &(0x7f0000003b80)={0x0}}, 0x0) [ 66.644629][ T8511] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.653178][ T8511] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.674540][ T8511] device bridge_slave_0 entered promiscuous mode [ 66.712106][ T8511] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.723672][ T8511] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.735751][ T8511] device bridge_slave_1 entered promiscuous mode [ 66.764453][ T8516] IPVS: ftp: loaded support on port[0] = 21 [ 66.824387][ T8511] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.840203][ T8511] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link 07:45:28 executing program 3: r0 = socket$kcm(0x2, 0x3, 0x2) sendmsg$inet(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x2, 0x0, @loopback}, 0x10, 0x0, 0x0, &(0x7f0000000340)=[@ip_tos_u8={{0x11}}, @ip_retopts={{0x18, 0x0, 0x7, {[@lsrr={0x83, 0x7, 0x4, [@remote]}]}}}], 0x30}, 0x0) [ 66.890673][ T8514] chnl_net:caif_netlink_parms(): no params data found [ 66.947934][ T8511] team0: Port device team_slave_0 added [ 66.986523][ T8511] team0: Port device team_slave_1 added [ 67.045849][ T8514] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.053054][ T8514] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.074959][ T8514] device bridge_slave_0 entered promiscuous mode 07:45:28 executing program 4: r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) getsockopt$bt_hci(r0, 0x0, 0x3, &(0x7f00000022c0)=""/4096, &(0x7f0000000200)=0xfffffe63) [ 67.156964][ T8511] device hsr_slave_0 entered promiscuous mode [ 67.206552][ T8511] device hsr_slave_1 entered promiscuous mode [ 67.262946][ T8519] IPVS: ftp: loaded support on port[0] = 21 [ 67.277186][ T8514] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.285157][ T8514] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.295643][ T8514] device bridge_slave_1 entered promiscuous mode [ 67.421264][ T8511] netdevsim netdevsim0 netdevsim0: renamed from eth0 07:45:29 executing program 5: socketpair$unix(0x1, 0x80001, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = fcntl$dupfd(r1, 0x0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) unshare(0x40600) r3 = socket$inet6_sctp(0xa, 0x5, 0x84) getsockopt$inet_sctp6_SCTP_GET_ASSOC_ID_LIST(r3, 0x84, 0x1d, 0x0, &(0x7f0000000080)) [ 67.479480][ T8511] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 67.538994][ T8511] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 67.595439][ T8511] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 67.605440][ T8523] IPVS: ftp: loaded support on port[0] = 21 [ 67.637374][ T8514] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.648631][ T8516] chnl_net:caif_netlink_parms(): no params data found [ 67.677084][ T8514] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.680857][ T8525] IPVS: ftp: loaded support on port[0] = 21 [ 67.738314][ T8514] team0: Port device team_slave_0 added [ 67.746433][ T8514] team0: Port device team_slave_1 added [ 67.763892][ T8516] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.771211][ T8516] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.779105][ T8516] device bridge_slave_0 entered promiscuous mode [ 67.788578][ T8516] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.796210][ T8516] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.804282][ T8516] device bridge_slave_1 entered promiscuous mode [ 67.866455][ T8514] device hsr_slave_0 entered promiscuous mode [ 67.904091][ T8514] device hsr_slave_1 entered promiscuous mode [ 67.943828][ T8514] debugfs: Directory 'hsr0' with parent '/' already present! [ 68.011641][ T8516] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.052585][ T8516] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 68.121771][ T8523] chnl_net:caif_netlink_parms(): no params data found [ 68.136372][ T8514] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 68.181310][ T8514] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 68.269115][ T8514] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 68.327323][ T8516] team0: Port device team_slave_0 added [ 68.333207][ T8514] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 68.389162][ T8525] chnl_net:caif_netlink_parms(): no params data found [ 68.406462][ T8516] team0: Port device team_slave_1 added [ 68.417839][ T8519] chnl_net:caif_netlink_parms(): no params data found [ 68.477794][ T8525] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.485697][ T8525] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.493994][ T8525] device bridge_slave_0 entered promiscuous mode [ 68.502568][ T8525] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.510252][ T8525] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.518641][ T8525] device bridge_slave_1 entered promiscuous mode [ 68.547283][ T8523] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.557636][ T8523] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.565634][ T8523] device bridge_slave_0 entered promiscuous mode [ 68.574107][ T8523] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.581206][ T8523] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.590119][ T8523] device bridge_slave_1 entered promiscuous mode [ 68.602814][ T8519] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.610133][ T8519] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.617973][ T8519] device bridge_slave_0 entered promiscuous mode [ 68.666492][ T8516] device hsr_slave_0 entered promiscuous mode [ 68.704159][ T8516] device hsr_slave_1 entered promiscuous mode [ 68.743790][ T8516] debugfs: Directory 'hsr0' with parent '/' already present! [ 68.770165][ T8525] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.779954][ T8519] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.788401][ T8519] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.796313][ T8519] device bridge_slave_1 entered promiscuous mode [ 68.812258][ T8523] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.840329][ T8525] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 68.863751][ T8523] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 68.887814][ T8525] team0: Port device team_slave_0 added [ 68.909844][ T8516] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 68.945468][ T8516] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 68.997172][ T8525] team0: Port device team_slave_1 added [ 69.002981][ T8516] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 69.048193][ T8519] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 69.059163][ T8519] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 69.071361][ T8523] team0: Port device team_slave_0 added [ 69.080425][ T8523] team0: Port device team_slave_1 added [ 69.099138][ T8516] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 69.165841][ T8519] team0: Port device team_slave_0 added [ 69.196130][ T8525] device hsr_slave_0 entered promiscuous mode [ 69.234097][ T8525] device hsr_slave_1 entered promiscuous mode [ 69.273745][ T8525] debugfs: Directory 'hsr0' with parent '/' already present! [ 69.293214][ T8519] team0: Port device team_slave_1 added [ 69.320345][ T8511] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.377234][ T8519] device hsr_slave_0 entered promiscuous mode [ 69.424107][ T8519] device hsr_slave_1 entered promiscuous mode [ 69.463749][ T8519] debugfs: Directory 'hsr0' with parent '/' already present! [ 69.515583][ T8523] device hsr_slave_0 entered promiscuous mode [ 69.554026][ T8523] device hsr_slave_1 entered promiscuous mode [ 69.603708][ T8523] debugfs: Directory 'hsr0' with parent '/' already present! [ 69.623022][ T8511] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.642149][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 69.651086][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.702431][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 69.712094][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.721392][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.728676][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.737026][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 69.746155][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 69.754610][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.761679][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.769322][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 69.778921][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 69.788111][ T8529] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 69.796091][ T8525] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 69.835690][ T8525] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 69.876063][ T8525] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 69.931341][ T8514] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.962333][ T8511] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 69.973142][ T8511] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 69.985793][ T8525] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 70.034949][ T8523] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 70.087670][ T1106] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 70.096310][ T1106] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 70.104934][ T1106] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 70.113477][ T1106] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 70.121897][ T1106] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 70.130334][ T1106] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 70.139196][ T1106] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 70.147660][ T1106] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 70.156145][ T1106] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 70.164049][ T1106] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 70.183067][ T8519] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 70.236134][ T8523] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 70.287417][ T8514] 8021q: adding VLAN 0 to HW filter on device team0 [ 70.298619][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 70.307916][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 70.327085][ T8519] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 70.356253][ T8523] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 70.409363][ T8523] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 70.471954][ T8519] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 70.529316][ T8519] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 70.580528][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 70.589343][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 70.598205][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.605297][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.613122][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 70.622417][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 70.630922][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.637994][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.648350][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 70.685095][ T8529] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 70.697514][ T8529] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 70.705634][ T8529] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 70.713052][ T8529] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 70.722349][ T8529] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 70.731067][ T8529] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 70.739445][ T8529] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 70.748059][ T8529] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 70.756604][ T8529] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 70.766611][ T8529] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 70.781108][ T8511] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 70.798537][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 70.806873][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 70.815596][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 70.830814][ T8516] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.840678][ T8514] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 70.888659][ T8516] 8021q: adding VLAN 0 to HW filter on device team0 [ 70.906435][ T1106] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 70.917783][ T1106] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 70.948710][ T8514] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 70.970633][ T2948] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 70.988496][ T2948] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 71.010874][ T2948] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 71.022312][ T2948] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 71.031159][ T2948] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.038272][ T2948] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.048694][ T2948] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 176.033520][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 176.040547][ C0] (detected by 0, t=10502 jiffies, g=7261, q=44) [ 176.046949][ C0] rcu: All QSes seen, last rcu_preempt kthread activity 10503 (4294954681-4294944178), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 176.060290][ C0] syz-executor.0 R running task 27896 8533 8511 0x0000400e [ 176.068181][ C0] Call Trace: [ 176.071455][ C0] [ 176.074303][ C0] sched_show_task+0x40f/0x560 [ 176.079061][ C0] rcu_sched_clock_irq+0x1861/0x1ad0 [ 176.084342][ C0] update_process_times+0x12d/0x180 [ 176.089529][ C0] tick_sched_timer+0x263/0x420 [ 176.094364][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 176.099897][ C0] __hrtimer_run_queues+0x403/0x840 [ 176.105097][ C0] hrtimer_interrupt+0x38c/0xda0 [ 176.110043][ C0] ? debug_smp_processor_id+0x9/0x20 [ 176.115319][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 176.120853][ C0] apic_timer_interrupt+0xf/0x20 [ 176.125769][ C0] [ 176.128695][ C0] RIP: 0010:__sanitizer_cov_trace_pc+0x48/0x50 [ 176.134835][ C0] Code: 80 13 00 00 83 fa 02 75 21 48 8b 91 88 13 00 00 48 8b 32 48 8d 7e 01 8b 89 84 13 00 00 48 39 cf 73 08 48 89 44 f2 08 48 89 3a 0f 1f 80 00 00 00 00 4c 8b 04 24 65 48 8b 04 25 c0 1d 02 00 65 [ 176.154424][ C0] RSP: 0018:ffffc90002837828 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 176.162823][ C0] RAX: ffffffff81487433 RBX: 0000000000000000 RCX: 0000000000040000 [ 176.170796][ C0] RDX: ffffc90001ed9000 RSI: 000000000003ffff RDI: 0000000000040000 [ 176.178752][ C0] RBP: ffffc90002837850 R08: dffffc0000000000 R09: fffffbfff12877ed [ 176.186708][ C0] R10: fffffbfff12877ed R11: 0000000000000000 R12: dffffc0000000000 [ 176.194664][ C0] R13: dffffc0000000000 R14: 00000000fffffffc R15: ffff888092a8d4a8 [ 176.202636][ C0] ? mod_memcg_page_state+0x123/0x190 [ 176.207999][ C0] ? free_thread_stack+0x124/0x590 [ 176.213093][ C0] ? mod_memcg_page_state+0x123/0x190 [ 176.218452][ C0] free_thread_stack+0x168/0x590 [ 176.223380][ C0] put_task_stack+0xa3/0x130 [ 176.227961][ C0] finish_task_switch+0x3f1/0x550 [ 176.233022][ C0] __schedule+0x9a8/0xcc0 [ 176.237380][ C0] ? ___preempt_schedule+0x16/0x18 [ 176.242492][ C0] preempt_schedule+0xdb/0x120 [ 176.247252][ C0] ___preempt_schedule+0x16/0x18 [ 176.252182][ C0] try_to_wake_up+0xe78/0x1050 [ 176.256943][ C0] wake_up_q+0x8c/0xe0 [ 176.261004][ C0] futex_wake+0x51c/0x6f0 [ 176.265328][ C0] do_futex+0x3f5/0x3d60 [ 176.269569][ C0] ? __lock_acquire+0xc75/0x1be0 [ 176.274517][ C0] ? __might_fault+0xf9/0x160 [ 176.279186][ C0] ? __might_fault+0xf9/0x160 [ 176.283855][ C0] ? check_preemption_disabled+0xb4/0x260 [ 176.289555][ C0] ? debug_smp_processor_id+0x9/0x20 [ 176.294998][ C0] __se_sys_futex+0x28c/0x360 [ 176.299708][ C0] ? prepare_exit_to_usermode+0x221/0x5b0 [ 176.305451][ C0] ? trace_irq_disable_rcuidle+0x23/0x1e0 [ 176.311184][ C0] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 176.316670][ C0] __x64_sys_futex+0xe5/0x100 [ 176.321371][ C0] do_syscall_64+0xf7/0x1c0 [ 176.325879][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 176.331761][ C0] RIP: 0033:0x45a679 [ 176.335646][ C0] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 176.355263][ C0] RSP: 002b:00007f2e28061cf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 176.363674][ C0] RAX: ffffffffffffffda RBX: 000000000075bf28 RCX: 000000000045a679 [ 176.371671][ C0] RDX: 00000000004c7c1f RSI: 0000000000000081 RDI: 000000000075bf2c [ 176.379644][ C0] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 176.387601][ C0] R10: 0000000000000003 R11: 0000000000000246 R12: 000000000075bf2c [ 176.395559][ C0] R13: 00007fff78d1780f R14: 00007f2e280629c0 R15: 000000000075bf2c [ 176.403541][ C0] rcu: rcu_preempt kthread starved for 10539 jiffies! g7261 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 176.414621][ C0] rcu: RCU grace-period kthread stack dump: [ 176.420495][ C0] rcu_preempt R running task 29032 10 2 0x80004000 [ 176.428383][ C0] Call Trace: [ 176.431669][ C0] __schedule+0x9a0/0xcc0 [ 176.436002][ C0] schedule+0x181/0x210 [ 176.440274][ C0] schedule_timeout+0x14f/0x240 [ 176.445152][ C0] ? run_local_timers+0x120/0x120 [ 176.450190][ C0] rcu_gp_kthread+0xed8/0x1770 [ 176.454956][ C0] kthread+0x332/0x350 [ 176.459012][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 176.464199][ C0] ? kthread_blkcg+0xe0/0xe0 [ 176.468785][ C0] ret_from_fork+0x24/0x30