Warning: Permanently added '10.128.0.185' (ECDSA) to the list of known hosts. 2019/12/03 06:11:40 fuzzer started 2019/12/03 06:11:42 dialing manager at 10.128.0.26:38907 2019/12/03 06:11:42 syscalls: 2697 2019/12/03 06:11:42 code coverage: enabled 2019/12/03 06:11:42 comparison tracing: enabled 2019/12/03 06:11:42 extra coverage: extra coverage is not supported by the kernel 2019/12/03 06:11:42 setuid sandbox: enabled 2019/12/03 06:11:42 namespace sandbox: enabled 2019/12/03 06:11:42 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/03 06:11:42 fault injection: enabled 2019/12/03 06:11:42 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/03 06:11:42 net packet injection: enabled 2019/12/03 06:11:42 net device setup: enabled 2019/12/03 06:11:42 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/03 06:11:42 devlink PCI setup: PCI device 0000:00:10.0 is not available 06:11:43 executing program 0: timer_create(0x9, 0x0, &(0x7f00000000c0)) timer_settime(0x0, 0x0, &(0x7f0000000140)={{}, {0x77359400}}, &(0x7f00000011c0)) 06:11:43 executing program 1: r0 = getpgrp(0xffffffffffffffff) r1 = perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, r0, 0x0, 0xffffffffffffffff, 0x0) ioctl$PERF_EVENT_IOC_PERIOD(r1, 0x40082404, &(0x7f0000000000)=0x7fff) syzkaller login: [ 56.480422][ T8162] IPVS: ftp: loaded support on port[0] = 21 [ 56.561600][ T8164] IPVS: ftp: loaded support on port[0] = 21 06:11:43 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000100)=0x5) ioctl$TCSETSF(r0, 0x5412, &(0x7f0000000000)={0xffffffdb}) [ 56.739178][ T8162] chnl_net:caif_netlink_parms(): no params data found [ 56.759758][ T8164] chnl_net:caif_netlink_parms(): no params data found [ 56.824088][ T8168] IPVS: ftp: loaded support on port[0] = 21 [ 56.846620][ T8162] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.857060][ T8162] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.865437][ T8162] device bridge_slave_0 entered promiscuous mode [ 56.878264][ T8164] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.886966][ T8164] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.896899][ T8164] device bridge_slave_0 entered promiscuous mode [ 56.915226][ T8162] bridge0: port 2(bridge_slave_1) entered blocking state 06:11:44 executing program 3: bpf$MAP_UPDATE_ELEM(0x2, &(0x7f0000000300)={0xffffffffffffffff, 0x0, &(0x7f0000000080)}, 0x20) socketpair(0x1, 0x1, 0x0, &(0x7f0000000740)={0xffffffffffffffff, 0xffffffffffffffff}) recvmsg$kcm(0xffffffffffffffff, &(0x7f0000000080)={0x0, 0x0, 0x0, 0x0, &(0x7f0000000940)=""/253, 0xfd}, 0x0) ioctl$PERF_EVENT_IOC_SET_FILTER(r0, 0x89f3, &(0x7f0000000300)='gre0\x00') [ 56.923198][ T8162] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.932892][ T8162] device bridge_slave_1 entered promiscuous mode [ 56.940790][ T8164] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.948470][ T8164] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.958492][ T8164] device bridge_slave_1 entered promiscuous mode [ 56.986053][ T8162] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.024457][ T8162] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.038100][ T8164] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.091520][ T8164] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.112748][ T8162] team0: Port device team_slave_0 added [ 57.137062][ T8162] team0: Port device team_slave_1 added 06:11:44 executing program 4: r0 = socket(0x10, 0x3, 0x0) ioctl$sock_ifreq(r0, 0x89f0, &(0x7f0000000080)={'ip_vti0\x00', @ifru_data=&(0x7f0000000000)="b06f31673d3ca2b793d4f9a507e3c9133ba7ce7ea1831a51b8ff83b09f7f4aae"}) [ 57.191951][ T8164] team0: Port device team_slave_0 added [ 57.204413][ T8170] IPVS: ftp: loaded support on port[0] = 21 [ 57.255336][ T8162] device hsr_slave_0 entered promiscuous mode [ 57.312465][ T8162] device hsr_slave_1 entered promiscuous mode [ 57.356052][ T8164] team0: Port device team_slave_1 added [ 57.390725][ T8168] chnl_net:caif_netlink_parms(): no params data found [ 57.415902][ T8173] IPVS: ftp: loaded support on port[0] = 21 06:11:44 executing program 5: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$kcm(0x10, 0x2, 0x10) sendmsg$kcm(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000080)=[{&(0x7f0000000240)="2e0000002a00815fe45ac11850f923310415fcce95cf0400b5eba0b4d65cdbaa98cb930007fff0800f0000000000", 0x2e}], 0x1}, 0x0) [ 57.494112][ T8164] device hsr_slave_0 entered promiscuous mode [ 57.570621][ T8164] device hsr_slave_1 entered promiscuous mode [ 57.630711][ T8164] debugfs: Directory 'hsr0' with parent '/' already present! [ 57.673724][ T8168] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.680947][ T8168] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.688505][ T8168] device bridge_slave_0 entered promiscuous mode [ 57.696613][ T8168] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.703784][ T8168] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.711982][ T8168] device bridge_slave_1 entered promiscuous mode [ 57.743546][ T8168] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.753771][ T8162] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 57.811470][ T8175] IPVS: ftp: loaded support on port[0] = 21 [ 57.820066][ T8168] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.836219][ T8162] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 57.874466][ T8162] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 57.934468][ T8162] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 58.005872][ T8168] team0: Port device team_slave_0 added [ 58.013978][ T8168] team0: Port device team_slave_1 added [ 58.023281][ T8164] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 58.045049][ T8164] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 58.102615][ T8164] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 58.142870][ T8164] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 58.263611][ T8168] device hsr_slave_0 entered promiscuous mode [ 58.301484][ T8168] device hsr_slave_1 entered promiscuous mode [ 58.350509][ T8168] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.408963][ T8170] chnl_net:caif_netlink_parms(): no params data found [ 58.433985][ T8173] chnl_net:caif_netlink_parms(): no params data found [ 58.494526][ T8173] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.502545][ T8173] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.510216][ T8173] device bridge_slave_0 entered promiscuous mode [ 58.518257][ T8173] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.525592][ T8173] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.533492][ T8173] device bridge_slave_1 entered promiscuous mode [ 58.556444][ T8168] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 58.597037][ T8168] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 58.654608][ T8170] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.661969][ T8170] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.669512][ T8170] device bridge_slave_0 entered promiscuous mode [ 58.688153][ T8168] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 58.726722][ T8170] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.735488][ T8170] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.744193][ T8170] device bridge_slave_1 entered promiscuous mode [ 58.761326][ T8173] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.785763][ T8168] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 58.839452][ T8170] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.850962][ T8170] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.872762][ T8170] team0: Port device team_slave_0 added [ 58.880465][ T8173] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.914109][ T8170] team0: Port device team_slave_1 added [ 58.935093][ T8173] team0: Port device team_slave_0 added [ 58.953613][ T8175] chnl_net:caif_netlink_parms(): no params data found [ 58.972077][ T8173] team0: Port device team_slave_1 added [ 59.043962][ T8170] device hsr_slave_0 entered promiscuous mode [ 59.110595][ T8170] device hsr_slave_1 entered promiscuous mode [ 59.160512][ T8170] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.172403][ T8164] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.199679][ T8175] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.207021][ T8175] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.215659][ T8175] device bridge_slave_0 entered promiscuous mode [ 59.223674][ T8175] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.230922][ T8175] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.238705][ T8175] device bridge_slave_1 entered promiscuous mode [ 59.252540][ T8164] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.275700][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.284501][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.302514][ T8162] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.362968][ T8173] device hsr_slave_0 entered promiscuous mode [ 59.411097][ T8173] device hsr_slave_1 entered promiscuous mode [ 59.450521][ T8173] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.468562][ T8170] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 59.520353][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.529035][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.537523][ T44] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.544707][ T44] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.553875][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.562733][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.571113][ T44] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.578181][ T44] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.585751][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 59.594581][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 59.603407][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 59.612251][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.620822][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 59.629151][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.639464][ T8175] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.655370][ T8162] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.666319][ T8170] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 59.721302][ T8168] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.728975][ T3014] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 59.737025][ T3014] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 59.744793][ T3014] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.752828][ T3014] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.760422][ T3014] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 59.768756][ T3014] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 59.777906][ T3014] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 59.786184][ T3014] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 59.803388][ T8175] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.813342][ T8170] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 59.863363][ T8164] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 59.876525][ T8176] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.885014][ T8176] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.894183][ T8176] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.901300][ T8176] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.908804][ T8176] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.917472][ T8176] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.925843][ T8176] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.933041][ T8176] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.958639][ T8170] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 59.998736][ T8176] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 60.007077][ T8176] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 60.016240][ T8176] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.025804][ T8176] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.034386][ T8173] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 60.114141][ T8168] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.123994][ T8175] team0: Port device team_slave_0 added [ 60.134320][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 60.145071][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 60.152713][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 60.165599][ T8173] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 60.205384][ T8175] team0: Port device team_slave_1 added [ 60.213833][ T8180] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 60.222959][ T8180] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 60.231293][ T8180] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 60.239625][ T8180] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 60.248052][ T8180] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 60.264957][ T8173] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 60.327316][ T8164] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 60.337524][ T8176] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 60.346607][ T8176] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 60.355194][ T8176] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.362312][ T8176] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.369804][ T8176] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 60.378133][ T8176] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 60.395317][ T8173] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 60.487018][ T8162] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 60.498352][ T8162] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 60.509714][ T8176] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 60.519605][ T8176] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 60.528358][ T8176] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 60.536632][ T8176] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.543711][ T8176] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.552140][ T8176] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 60.560476][ T8176] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 60.613161][ T8175] device hsr_slave_0 entered promiscuous mode [ 60.672079][ T8175] device hsr_slave_1 entered promiscuous mode [ 60.710791][ T8175] debugfs: Directory 'hsr0' with parent '/' already present! [ 60.738727][ T8180] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 60.761489][ T8180] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 60.769958][ T8180] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 60.779063][ T8180] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 60.788050][ T8180] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 60.797154][ T8180] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 60.807401][ T8180] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 60.816230][ T8180] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 60.825596][ T8180] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 60.854141][ T8168] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 60.867277][ T8168] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 60.907475][ T8180] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 60.926673][ T8180] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 60.935576][ T8180] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 60.949062][ T8180] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 60.957145][ T8180] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 60.970107][ T8180] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 61.019928][ T8170] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.043243][ T8170] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.089190][ T8170] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 61.106010][ T8170] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 61.148047][ T8170] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 165.940258][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 165.947273][ C0] (detected by 0, t=10502 jiffies, g=6309, q=494) [ 165.953759][ C0] rcu: All QSes seen, last rcu_preempt kthread activity 10503 (4294953736-4294943233), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 165.967102][ C0] rcu_preempt R running task 29104 10 2 0x80004008 [ 165.974990][ C0] Call Trace: [ 165.978262][ C0] [ 165.981110][ C0] sched_show_task+0x40f/0x560 [ 165.985866][ C0] rcu_sched_clock_irq+0x1861/0x1ad0 [ 165.991147][ C0] update_process_times+0x12d/0x180 [ 165.996331][ C0] tick_sched_timer+0x263/0x420 [ 166.001167][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 166.006720][ C0] __hrtimer_run_queues+0x403/0x840 [ 166.011944][ C0] hrtimer_interrupt+0x38c/0xda0 [ 166.016904][ C0] ? debug_smp_processor_id+0x9/0x20 [ 166.022210][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 166.027754][ C0] apic_timer_interrupt+0xf/0x20 [ 166.032678][ C0] [ 166.035609][ C0] RIP: 0010:mod_memcg_page_state+0x3d/0x190 [ 166.041504][ C0] Code: 28 2e 00 48 83 c3 38 48 89 d8 48 c1 e8 03 49 bc 00 00 00 00 00 fc ff df 42 80 3c 20 00 74 08 48 89 df e8 b6 9f 69 00 48 8b 1b <48> 85 db 0f 84 d8 00 00 00 48 c7 c0 20 96 0a 89 48 c1 e8 03 42 80 [ 166.061108][ C0] RSP: 0018:ffffc90000d0fc18 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 166.069509][ C0] RAX: 1ffffd4000485847 RBX: 0000000000000000 RCX: ffff8880a9de8280 [ 166.077466][ C0] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea000242c200 [ 166.085604][ C0] RBP: ffffc90000d0fc38 R08: 000000000003a768 R09: ffffed10124252f7 [ 166.093564][ C0] R10: ffffed10124252f7 R11: 0000000000000000 R12: dffffc0000000000 [ 166.101523][ C0] R13: dffffc0000000000 R14: 00000000fffffffc R15: ffff8880921297a8 [ 166.109501][ C0] ? mod_memcg_page_state+0x16/0x190 [ 166.114772][ C0] free_thread_stack+0x168/0x590 [ 166.119699][ C0] put_task_stack+0xa3/0x130 [ 166.124275][ C0] finish_task_switch+0x3f1/0x550 [ 166.129288][ C0] __schedule+0x9a8/0xcc0 [ 166.133630][ C0] schedule+0x181/0x210 [ 166.137772][ C0] schedule_timeout+0x14f/0x240 [ 166.142610][ C0] ? run_local_timers+0x120/0x120 [ 166.147629][ C0] rcu_gp_kthread+0xed8/0x1770 [ 166.152389][ C0] kthread+0x332/0x350 [ 166.156438][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 166.161539][ C0] ? kthread_blkcg+0xe0/0xe0 [ 166.166116][ C0] ret_from_fork+0x24/0x30 [ 166.170534][ C0] rcu: rcu_preempt kthread starved for 10525 jiffies! g6309 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 166.181627][ C0] rcu: RCU grace-period kthread stack dump: [ 166.187515][ C0] rcu_preempt R running task 29104 10 2 0x80004008 [ 166.195426][ C0] Call Trace: [ 166.198701][ C0] [ 166.201547][ C0] sched_show_task+0x40f/0x560 [ 166.206386][ C0] rcu_check_gp_kthread_starvation+0x170/0x1b0 [ 166.212532][ C0] rcu_sched_clock_irq+0x17d3/0x1ad0 [ 166.217809][ C0] update_process_times+0x12d/0x180 [ 166.222994][ C0] tick_sched_timer+0x263/0x420 [ 166.227833][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 166.233364][ C0] __hrtimer_run_queues+0x403/0x840 [ 166.238651][ C0] hrtimer_interrupt+0x38c/0xda0 [ 166.243591][ C0] ? debug_smp_processor_id+0x9/0x20 [ 166.248865][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 166.254394][ C0] apic_timer_interrupt+0xf/0x20 [ 166.259320][ C0] [ 166.262247][ C0] RIP: 0010:mod_memcg_page_state+0x3d/0x190 [ 166.268125][ C0] Code: 28 2e 00 48 83 c3 38 48 89 d8 48 c1 e8 03 49 bc 00 00 00 00 00 fc ff df 42 80 3c 20 00 74 08 48 89 df e8 b6 9f 69 00 48 8b 1b <48> 85 db 0f 84 d8 00 00 00 48 c7 c0 20 96 0a 89 48 c1 e8 03 42 80 [ 166.287714][ C0] RSP: 0018:ffffc90000d0fc18 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 166.296110][ C0] RAX: 1ffffd4000485847 RBX: 0000000000000000 RCX: ffff8880a9de8280 [ 166.304090][ C0] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea000242c200 [ 166.312053][ C0] RBP: ffffc90000d0fc38 R08: 000000000003a768 R09: ffffed10124252f7 [ 166.320010][ C0] R10: ffffed10124252f7 R11: 0000000000000000 R12: dffffc0000000000 [ 166.327969][ C0] R13: dffffc0000000000 R14: 00000000fffffffc R15: ffff8880921297a8 [ 166.335947][ C0] ? mod_memcg_page_state+0x16/0x190 [ 166.341216][ C0] free_thread_stack+0x168/0x590 [ 166.346143][ C0] put_task_stack+0xa3/0x130 [ 166.350721][ C0] finish_task_switch+0x3f1/0x550 [ 166.355734][ C0] __schedule+0x9a8/0xcc0 [ 166.360056][ C0] schedule+0x181/0x210 [ 166.364200][ C0] schedule_timeout+0x14f/0x240 [ 166.369031][ C0] ? run_local_timers+0x120/0x120 [ 166.374047][ C0] rcu_gp_kthread+0xed8/0x1770 [ 166.378804][ C0] kthread+0x332/0x350 [ 166.382856][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 166.387954][ C0] ? kthread_blkcg+0xe0/0xe0 [ 166.392531][ C0] ret_from_fork+0x24/0x30