Warning: Permanently added '10.128.1.29' (ECDSA) to the list of known hosts. 2019/12/03 20:14:15 fuzzer started 2019/12/03 20:14:16 dialing manager at 10.128.0.26:42111 2019/12/03 20:14:16 syscalls: 2689 2019/12/03 20:14:16 code coverage: enabled 2019/12/03 20:14:16 comparison tracing: enabled 2019/12/03 20:14:16 extra coverage: extra coverage is not supported by the kernel 2019/12/03 20:14:16 setuid sandbox: enabled 2019/12/03 20:14:16 namespace sandbox: enabled 2019/12/03 20:14:16 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/03 20:14:16 fault injection: enabled 2019/12/03 20:14:16 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/03 20:14:16 net packet injection: enabled 2019/12/03 20:14:16 net device setup: enabled 2019/12/03 20:14:16 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/03 20:14:16 devlink PCI setup: PCI device 0000:00:10.0 is not available 20:14:17 executing program 0: r0 = socket(0x200000000000011, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000080)={'bridge0\x00', 0x0}) bind$packet(r0, &(0x7f0000000000)={0x11, 0x800, r1, 0x1, 0x0, 0x6, @dev}, 0x14) sendto$inet6(r0, &(0x7f0000000100)="4b99e2e6684ee0e88a14bf94e2364000"/34, 0x22, 0x0, 0x0, 0x0) 20:14:17 executing program 1: r0 = socket$kcm(0x2b, 0x1, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) unshare(0x20600) r1 = syz_open_procfs(0x0, &(0x7f0000000300)='net/if_inet6\x00') lseek(r1, 0x0, 0x0) [ 57.072602][ T8232] IPVS: ftp: loaded support on port[0] = 21 [ 57.240462][ T8232] chnl_net:caif_netlink_parms(): no params data found 20:14:18 executing program 2: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000080)='/dev/snapshot\x00', 0x400, 0x0) r1 = syz_genetlink_get_family_id$tipc2(&(0x7f0000000100)='TIPCv2\x00') sendmsg$TIPC_NL_NET_GET(r0, &(0x7f0000000240)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)={0x30, r1, 0x0, 0x70bd27, 0x25dfdbfe, {}, [@TIPC_NLA_MEDIA={0x14, 0x5, [@TIPC_NLA_MEDIA_PROP={0xc, 0x2, [@TIPC_NLA_PROP_WIN={0x8, 0x3, 0x1}]}, @TIPC_NLA_MEDIA_PROP={0x4}]}, @TIPC_NLA_SOCK={0x8, 0x2, [@TIPC_NLA_SOCK_HAS_PUBL={0x4}]}]}, 0x30}}, 0x0) r2 = openat$audio(0xffffffffffffff9c, 0x0, 0x0, 0x0) alarm(0x0) open_by_handle_at(0xffffffffffffffff, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) write$RDMA_USER_CM_CMD_GET_EVENT(r2, 0x0, 0x0) socket$inet(0x2, 0x4000000000000001, 0x0) unshare(0x40000000) [ 57.301597][ T8235] IPVS: ftp: loaded support on port[0] = 21 [ 57.318861][ T8232] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.344253][ T8232] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.356100][ T8232] device bridge_slave_0 entered promiscuous mode [ 57.378359][ T8232] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.395145][ T8232] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.415078][ T8232] device bridge_slave_1 entered promiscuous mode [ 57.446870][ T8237] IPVS: ftp: loaded support on port[0] = 21 [ 57.481867][ T8232] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.496252][ T8232] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link 20:14:18 executing program 3: r0 = socket$inet6(0xa, 0x3, 0x6b) pipe(&(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = socket$inet_udp(0x2, 0x2, 0x0) close(r3) socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$nl_netfilter(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, &(0x7f00008a7000)={&(0x7f0000000140)=ANY=[@ANYBLOB="2c00000009060501ff0000fffd03002ef6ff04610c000100060000007d0a01010c0002"], 0x23}}, 0x0) write$binfmt_misc(r2, &(0x7f0000000140)=ANY=[], 0x4240a2a0) splice(r1, 0x0, r3, 0x0, 0x4ffe0, 0x0) ioctl(r0, 0x1000008912, &(0x7f0000000000)="0815b5055e0bcfe87b3071") [ 57.558186][ T8232] team0: Port device team_slave_0 added [ 57.578644][ T8232] team0: Port device team_slave_1 added [ 57.709821][ T8232] device hsr_slave_0 entered promiscuous mode 20:14:18 executing program 4: r0 = syz_open_dev$evdev(&(0x7f0000000040)='/dev/input/event#\x00', 0x476, 0x101102) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = dup2(r1, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) write$evdev(r0, &(0x7f0000000100)=[{{0x0, 0x7530}, 0x1, 0x64, 0x2}], 0xff49) [ 57.775361][ T8232] device hsr_slave_1 entered promiscuous mode [ 57.817991][ T8235] chnl_net:caif_netlink_parms(): no params data found [ 57.891577][ T8240] IPVS: ftp: loaded support on port[0] = 21 [ 57.948090][ T8237] chnl_net:caif_netlink_parms(): no params data found [ 58.003644][ T8235] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.013250][ T8235] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.021470][ T8235] device bridge_slave_0 entered promiscuous mode 20:14:18 executing program 5: r0 = syz_open_dev$dri(&(0x7f0000000080)='/dev/dri/card#\x00', 0x0, 0x0) r1 = dup2(r0, r0) ioctl$KVM_GET_DIRTY_LOG(r1, 0x4010ae42, &(0x7f00000000c0)={0xa, 0x0, &(0x7f0000ffa000/0x3000)=nil}) [ 58.067230][ T8232] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 58.115873][ T8232] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 58.165641][ T8235] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.172733][ T8235] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.180478][ T8235] device bridge_slave_1 entered promiscuous mode [ 58.204684][ T8243] IPVS: ftp: loaded support on port[0] = 21 [ 58.213882][ T8245] IPVS: ftp: loaded support on port[0] = 21 [ 58.220481][ T8232] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 58.277546][ T8237] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.285281][ T8237] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.292943][ T8237] device bridge_slave_0 entered promiscuous mode [ 58.300766][ T8237] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.308091][ T8237] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.317165][ T8237] device bridge_slave_1 entered promiscuous mode [ 58.330706][ T8232] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 58.387394][ T8235] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.418483][ T8237] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.429633][ T8235] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.459277][ T8237] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.482506][ T8235] team0: Port device team_slave_0 added [ 58.511309][ T8237] team0: Port device team_slave_0 added [ 58.519371][ T8235] team0: Port device team_slave_1 added [ 58.546080][ T8237] team0: Port device team_slave_1 added [ 58.636518][ T8235] device hsr_slave_0 entered promiscuous mode [ 58.674480][ T8235] device hsr_slave_1 entered promiscuous mode [ 58.715219][ T8235] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.795945][ T8237] device hsr_slave_0 entered promiscuous mode [ 58.844531][ T8237] device hsr_slave_1 entered promiscuous mode [ 58.884621][ T8237] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.911853][ T8243] chnl_net:caif_netlink_parms(): no params data found [ 58.936875][ T8245] chnl_net:caif_netlink_parms(): no params data found [ 58.969077][ T8232] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.004043][ T8240] chnl_net:caif_netlink_parms(): no params data found [ 59.027587][ T8245] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.035176][ T8245] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.042856][ T8245] device bridge_slave_0 entered promiscuous mode [ 59.073216][ T8245] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.080564][ T8245] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.088349][ T8245] device bridge_slave_1 entered promiscuous mode [ 59.114283][ T8243] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.121356][ T8243] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.129019][ T8243] device bridge_slave_0 entered promiscuous mode [ 59.139597][ T8237] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 59.187907][ T8237] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 59.249628][ T8237] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 59.298828][ T8243] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.306665][ T8243] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.315069][ T8243] device bridge_slave_1 entered promiscuous mode [ 59.322225][ T8235] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 59.370358][ T8235] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 59.406870][ T8245] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.419441][ T1109] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.428528][ T1109] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.436348][ T8237] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 59.500939][ T8235] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 59.547620][ T8245] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.562622][ T8232] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.574853][ T8240] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.581948][ T8240] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.590973][ T8240] device bridge_slave_0 entered promiscuous mode [ 59.598231][ T8235] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 59.673383][ T8243] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.683123][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.694721][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.703287][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.710441][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.721351][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 59.734275][ T49] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.742792][ T49] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.751651][ T49] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.758779][ T49] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.766954][ T49] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 59.775896][ T49] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 59.785624][ T8240] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.792671][ T8240] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.801052][ T8240] device bridge_slave_1 entered promiscuous mode [ 59.819753][ T8243] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.867241][ T8245] team0: Port device team_slave_0 added [ 59.876790][ T8246] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 59.887090][ T8246] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.895642][ T8246] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 59.905058][ T8246] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.913330][ T8246] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 59.921925][ T8246] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 59.930343][ T8246] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 59.939942][ T8240] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.955036][ T8243] team0: Port device team_slave_0 added [ 59.965752][ T8245] team0: Port device team_slave_1 added [ 59.986667][ T8243] team0: Port device team_slave_1 added [ 59.993804][ T8240] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.013442][ T8240] team0: Port device team_slave_0 added [ 60.023445][ T1109] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 60.032163][ T1109] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 60.075887][ T8245] device hsr_slave_0 entered promiscuous mode [ 60.114625][ T8245] device hsr_slave_1 entered promiscuous mode [ 60.145169][ T8245] debugfs: Directory 'hsr0' with parent '/' already present! [ 60.163642][ T8240] team0: Port device team_slave_1 added [ 60.171896][ T8232] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 60.216462][ T8243] device hsr_slave_0 entered promiscuous mode [ 60.264631][ T8243] device hsr_slave_1 entered promiscuous mode [ 60.304293][ T8243] debugfs: Directory 'hsr0' with parent '/' already present! [ 60.376201][ T8245] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 60.447166][ T8240] device hsr_slave_0 entered promiscuous mode [ 60.485008][ T8240] device hsr_slave_1 entered promiscuous mode [ 60.544324][ T8240] debugfs: Directory 'hsr0' with parent '/' already present! [ 60.559451][ T8232] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 60.573519][ T8245] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 60.629344][ T49] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 60.636950][ T49] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 60.663318][ T8240] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 60.696019][ T8243] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 60.746951][ T8243] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 60.786727][ T8245] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 60.827535][ T8245] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 60.888644][ T8235] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.898013][ T8240] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 60.936543][ T8240] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 60.986905][ T8243] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 61.042499][ T8237] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.053489][ T8240] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 61.096912][ T8243] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 61.161829][ T49] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.170007][ T49] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.180176][ T8235] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.219996][ T49] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 61.233314][ T49] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 61.246556][ T49] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.253681][ T49] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.261816][ T49] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 61.270544][ T49] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 61.278935][ T49] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.286024][ T49] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.293611][ T49] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 61.331964][ T8235] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 61.342650][ T8235] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 61.368824][ T8235] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 61.443268][ T8243] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.469476][ T8243] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.517542][ T8243] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 61.531540][ T8243] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 61.570219][ T8243] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 166.254080][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 166.261100][ C0] (detected by 0, t=10502 jiffies, g=6677, q=794) [ 166.267591][ C0] rcu: All QSes seen, last rcu_preempt kthread activity 10503 (4294953768-4294943265), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 166.280934][ C0] rcu_preempt R running task 29032 10 2 0x80004008 [ 166.288829][ C0] Call Trace: [ 166.292118][ C0] [ 166.294972][ C0] sched_show_task+0x40f/0x560 [ 166.299729][ C0] rcu_sched_clock_irq+0x1861/0x1ad0 [ 166.305010][ C0] update_process_times+0x12d/0x180 [ 166.310199][ C0] tick_sched_timer+0x263/0x420 [ 166.315034][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 166.320567][ C0] __hrtimer_run_queues+0x403/0x840 [ 166.325949][ C0] hrtimer_interrupt+0x38c/0xda0 [ 166.330891][ C0] ? debug_smp_processor_id+0x9/0x20 [ 166.336169][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 166.341705][ C0] apic_timer_interrupt+0xf/0x20 [ 166.346657][ C0] [ 166.349604][ C0] RIP: 0010:mod_memcg_page_state+0x6/0x190 [ 166.355401][ C0] Code: 5f 00 eb 0c e8 0b 29 2e 00 eb 05 e8 04 29 2e 00 48 83 c4 10 5b 41 5c 41 5d 41 5e 41 5f 5d c3 0f 1f 44 00 00 55 48 89 e5 41 57 <41> 56 41 54 53 41 89 f6 48 89 fb e8 da 28 2e 00 48 83 c3 38 48 89 [ 166.375009][ C0] RSP: 0018:ffffc90000d0fc30 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 166.383418][ C0] RAX: 1ffff11012da9801 RBX: ffff888096d4c008 RCX: 0000000000000000 [ 166.391379][ C0] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea00022889c0 [ 166.399342][ C0] RBP: ffffc90000d0fc38 R08: dffffc0000000000 R09: fffffbfff120248a [ 166.407304][ C0] R10: fffffbfff120248a R11: 0000000000000000 R12: ffff888096d4c0a0 [ 166.415267][ C0] R13: dffffc0000000000 R14: 1ffff11012da9814 R15: ffff88808dced828 [ 166.423278][ C0] free_thread_stack+0x168/0x590 [ 166.428207][ C0] put_task_stack+0xa3/0x130 [ 166.432787][ C0] finish_task_switch+0x3f1/0x550 [ 166.437807][ C0] __schedule+0x9a8/0xcc0 [ 166.442132][ C0] schedule+0x181/0x210 [ 166.446278][ C0] schedule_timeout+0x14f/0x240 [ 166.451137][ C0] ? run_local_timers+0x120/0x120 [ 166.456169][ C0] rcu_gp_kthread+0xed8/0x1770 [ 166.460931][ C0] kthread+0x332/0x350 [ 166.464989][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 166.470089][ C0] ? kthread_blkcg+0xe0/0xe0 [ 166.474669][ C0] ret_from_fork+0x24/0x30 [ 166.479108][ C0] rcu: rcu_preempt kthread starved for 10524 jiffies! g6677 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 166.490207][ C0] rcu: RCU grace-period kthread stack dump: [ 166.496098][ C0] rcu_preempt R running task 29032 10 2 0x80004008 [ 166.503992][ C0] Call Trace: [ 166.507265][ C0] [ 166.510117][ C0] sched_show_task+0x40f/0x560 [ 166.514894][ C0] rcu_check_gp_kthread_starvation+0x170/0x1b0 [ 166.521037][ C0] rcu_sched_clock_irq+0x17d3/0x1ad0 [ 166.526344][ C0] update_process_times+0x12d/0x180 [ 166.531685][ C0] tick_sched_timer+0x263/0x420 [ 166.536542][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 166.542091][ C0] __hrtimer_run_queues+0x403/0x840 [ 166.547302][ C0] hrtimer_interrupt+0x38c/0xda0 [ 166.552244][ C0] ? debug_smp_processor_id+0x9/0x20 [ 166.557519][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 166.563053][ C0] apic_timer_interrupt+0xf/0x20 [ 166.567976][ C0] [ 166.570923][ C0] RIP: 0010:mod_memcg_page_state+0x6/0x190 [ 166.576716][ C0] Code: 5f 00 eb 0c e8 0b 29 2e 00 eb 05 e8 04 29 2e 00 48 83 c4 10 5b 41 5c 41 5d 41 5e 41 5f 5d c3 0f 1f 44 00 00 55 48 89 e5 41 57 <41> 56 41 54 53 41 89 f6 48 89 fb e8 da 28 2e 00 48 83 c3 38 48 89 [ 166.596307][ C0] RSP: 0018:ffffc90000d0fc30 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 166.604704][ C0] RAX: 1ffff11012da9801 RBX: ffff888096d4c008 RCX: 0000000000000000 [ 166.612669][ C0] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea00022889c0 [ 166.620634][ C0] RBP: ffffc90000d0fc38 R08: dffffc0000000000 R09: fffffbfff120248a [ 166.628597][ C0] R10: fffffbfff120248a R11: 0000000000000000 R12: ffff888096d4c0a0 [ 166.636556][ C0] R13: dffffc0000000000 R14: 1ffff11012da9814 R15: ffff88808dced828 [ 166.644535][ C0] free_thread_stack+0x168/0x590 [ 166.649463][ C0] put_task_stack+0xa3/0x130 [ 166.654076][ C0] finish_task_switch+0x3f1/0x550 [ 166.659104][ C0] __schedule+0x9a8/0xcc0 [ 166.663430][ C0] schedule+0x181/0x210 [ 166.667572][ C0] schedule_timeout+0x14f/0x240 [ 166.672600][ C0] ? run_local_timers+0x120/0x120 [ 166.677618][ C0] rcu_gp_kthread+0xed8/0x1770 [ 166.682380][ C0] kthread+0x332/0x350 [ 166.686433][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 166.691545][ C0] ? kthread_blkcg+0xe0/0xe0 [ 166.696125][ C0] ret_from_fork+0x24/0x30