Warning: Permanently added '10.128.0.2' (ECDSA) to the list of known hosts. 2019/12/04 09:26:26 fuzzer started 2019/12/04 09:26:28 dialing manager at 10.128.0.26:36481 2019/12/04 09:26:28 syscalls: 2691 2019/12/04 09:26:28 code coverage: enabled 2019/12/04 09:26:28 comparison tracing: enabled 2019/12/04 09:26:28 extra coverage: extra coverage is not supported by the kernel 2019/12/04 09:26:28 setuid sandbox: enabled 2019/12/04 09:26:28 namespace sandbox: enabled 2019/12/04 09:26:28 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/04 09:26:28 fault injection: enabled 2019/12/04 09:26:28 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/04 09:26:28 net packet injection: enabled 2019/12/04 09:26:28 net device setup: enabled 2019/12/04 09:26:28 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/04 09:26:28 devlink PCI setup: PCI device 0000:00:10.0 is not available 09:26:29 executing program 0: socketpair$unix(0x1, 0x5, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_tcp_int(r2, 0x6, 0x9, &(0x7f0000000000)=0x5, 0x4) getsockopt$inet_tcp_int(r2, 0x6, 0x9, &(0x7f0000bfcffc), &(0x7f0000d12ffc)=0x4) 09:26:29 executing program 1: r0 = socket$inet6(0xa, 0x80003, 0xff) ioctl(r0, 0x1000008912, &(0x7f0000000080)="0800b5055e0bcfe87b2071") syz_mount_image$gfs2(&(0x7f0000000340)='gfs2\x00', &(0x7f00000003c0)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f00000007c0)={[{@errors_withdraw='errors=w\nthdraw'}]}) syzkaller login: [ 55.500434][ T8134] IPVS: ftp: loaded support on port[0] = 21 09:26:29 executing program 2: write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffffff, &(0x7f0000000080)={0x0, 0x18, 0xfa00, {0x0, 0x0}}, 0x20) r0 = openat$rdma_cm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/infiniband/rdma_cm\x00', 0x2, 0x0) writev(r0, &(0x7f00000000c0)=[{&(0x7f0000000080), 0xfffffebe}], 0x1) [ 55.652316][ T8134] chnl_net:caif_netlink_parms(): no params data found [ 55.697544][ T8137] IPVS: ftp: loaded support on port[0] = 21 [ 55.781392][ T8134] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.788446][ T8134] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.796905][ T8134] device bridge_slave_0 entered promiscuous mode [ 55.809908][ T8139] IPVS: ftp: loaded support on port[0] = 21 [ 55.830690][ T8134] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.837750][ T8134] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.845965][ T8134] device bridge_slave_1 entered promiscuous mode 09:26:29 executing program 3: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) ioctl$VHOST_NET_SET_BACKEND(0xffffffffffffffff, 0x4008af30, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000100)='/dev/kvm\x00', 0x0, 0x0) ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 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) madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x15) [ 55.902366][ T8134] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 55.918648][ T8134] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.017072][ T8137] chnl_net:caif_netlink_parms(): no params data found [ 56.049065][ T8134] team0: Port device team_slave_0 added [ 56.085309][ T8134] team0: Port device team_slave_1 added [ 56.126081][ T8144] IPVS: ftp: loaded support on port[0] = 21 [ 56.153557][ T8139] chnl_net:caif_netlink_parms(): no params data found 09:26:30 executing program 4: bpf$MAP_UPDATE_ELEM(0x2, &(0x7f0000000080)={0xffffffffffffffff, 0x0, &(0x7f0000000140)="40c74adc77a4e27d876f441d952bf111375896d876c4ed0f2e703cd5f8b64ff3cd946b507d0419c09fc1fe6c"}, 0xa) r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000400)='/dev/net/tun\x00', 0x2, 0x0) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000280)={'nr0\x01\x00', 0x4009}) bpf$MAP_CREATE(0x0, &(0x7f0000000180)={0xb}, 0x3c) r1 = socket$kcm(0x29, 0x2, 0x0) ioctl$TUNSETVNETHDRSZ(r0, 0x400454d8, &(0x7f00000002c0)=0xa7) ioctl$PERF_EVENT_IOC_SET_FILTER(r1, 0x8914, &(0x7f00000018c0)='nr0\x01\x00`\xa1\x9e\xf9\xd2\xc6s\xd9\xa1W\x1c\xb9\xe16\x9b\xcda\xef~Iy:\xe1\x87\x12\xec\xeb\x1d\xaav\x94\x97\x80\v\x7f\xbb\xd3[\x17\f\x10u\x1d9\xae\xb6`\xd8c\xe4\x9b\x8cO;=\xadH\x90+[-l\xfd\n\xbd7,c\xbc\xf5\xd7\a\xf3\xfdM.\x8dD<\x88\xbc\x0eV7\xdd\x82\xfc45\xbe\xd4\xde]i<\x9ax\x1c\x86>\x05\xd8\xa6\xf8h\x9a[\xe2\x92\x16\x06\x1f?\xf5?\x8bk9fx\xe7\xba\x15^\xf9\x15-~C\xb1\xec\xcb#1\xeb\x8e\xb1\xedU\x86\xdc\xf8\xb3\xb0\xb9\x996\x1aD\xff,\"\xc2\xab\xbe\xf4-\xd2N\xab\xe6r3F\xa6\xe4l\x04\x99\xa2\x14B\xd8\xd0\r\xcbW\xf0\x13\xffu\x95\xed\xd0\xff\ai0\xde6u\xd3A\x17\xa4N\xb0\xe4\xf82\x93m\xa4NW\xe4:>6\xbdH\xd2\xa8[\xf4\xfdJ\x80N\x83CZ\xf5\xe2\x87\xd4\xe2s7\xb4\xad\xa1\x1b&!\x98\x86\"R\x06\x00\x00\x00\x00\x00\x00\x00\x95\xfe7q\xe9\xf4,\xa3\x0f\xb2\x1e\x12\xf0\xa3\xd8\xbc-\x85EJ\xf9\xfc\xc0#-\x8f\xd9\tD\x8b\x01\xf4lY=1\xea\x1c\x92de\xe3ZA\x99\a\x9c<\xa4\x11(\xb1|\xb0\x1f\xbf[R+\xe0\xfd\x02\x02*\xda7\xfe\xcc\x0e\xb6\xc8\xc8\x83\x18\x83\xb8Z\x11\x06\xf2\xf8g\x02\rR\x9f\x17\xa3P\xf2\r\xd3\xbfQ\xa9\x8c\xfd\xa7\f.68\xa4\x83\xfd?\x87\x94\v\xb4x\xb0|L\x11\x03\x94\xc0\t=\x17\x95P\x89\xf2\xca\x97\xbb\xfeu\x12L\x9b\x85\x96\xe0\b\xbf\n\x02\x8bS\x9c\xecyl\xec\x9b\xf5\x85\xeb\x80\xfe>\r&\x014\x01\xf4\xb7\x83\x9a\xfa*\xa6\x06\xb7Pk7N\xc2\xd9\xee\xd0\xb0M\x00\xab\xc3\t\fc\xd8dx\xd5\x1dU*s)\x12[\x14\xb1\xc0\xd7\x1a\xa0\x16\xa2z\x9e\x93 \xddeF>29\v\x02\xa2b\x13R\xef\xffA,\xb9.$\xfa\x9f\xde[\x80\xd1=\xce\x1b\xeb\xf6\xf4\xe3z\x1f\x9dz\xa3\xc0\xe2\xa2\xb1\xeeq\xf5\xec0\x8e\xf4\xfb\xd9\x87\xf03\xdb\xae|\x10&V5c\xa6\xce\xcd\x8a\xdf\xe1\x89\"\xea\xde\xe7\xa3\xbe\xe7\xff\xf9 \x11\xfdY\xc6\xa1\xe8\xda\v\\?\xcb\x87\bn\x9b\x01\x1f\xf8\xe8\x1eV\xfaC\xdf\xc3Vv\x9b\x1a\xfc\x14.c\x94\xc9=\xb0\x0f!d\b\x18*@m\x7f\xaal\x17G\xd6?\x81\x16P\x03\x10e\xc3\xcd\xb1B\xeb\x01B\\\x91A\xa1\x8an\xb4#\xadr\x1e\x81v\xa2\x0e6x\xca\x8b\xa6\xd8\x81\x10:\x0e(\xdd\xfc\xc9\xc6\xb4\xf0\'f:\xbd\xfe\x11\xf8\xc8W\x81s^\xd9W\xf1\x94\xaf\xc5\x8a\xb4f\x1b\x17E\xb23\x12\xb0\xeb\xef\x8c\xb24h\xd7}\x7f\x92Hgej\x957\xe2A') write$cgroup_subtree(r0, &(0x7f00000000c0)=ANY=[@ANYBLOB="1d6f86dd07"], 0x10ad) [ 56.205325][ T8134] device hsr_slave_0 entered promiscuous mode [ 56.281592][ T8134] device hsr_slave_1 entered promiscuous mode 09:26:30 executing program 5: r0 = syz_open_dev$sndseq(&(0x7f0000000000)='/dev/snd/seq\x00', 0x0, 0x1) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a85320, &(0x7f0000001540)={{0x80}, 'port1\x00', 0xffffffffffdfffff, 0x2}) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000480)='/dev/sequencer2\x00', 0x0, 0x0) [ 56.362900][ T8137] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.381166][ T8137] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.398527][ T8137] device bridge_slave_0 entered promiscuous mode [ 56.447080][ T8139] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.455536][ T8139] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.463692][ T8139] device bridge_slave_0 entered promiscuous mode [ 56.472474][ T8137] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.479616][ T8137] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.487424][ T8137] device bridge_slave_1 entered promiscuous mode [ 56.505491][ T8139] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.519423][ T8139] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.540090][ T8139] device bridge_slave_1 entered promiscuous mode [ 56.570544][ T8139] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.585879][ T8146] IPVS: ftp: loaded support on port[0] = 21 [ 56.597191][ T8134] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 56.633597][ T8134] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 56.701821][ T8139] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.719001][ T8148] IPVS: ftp: loaded support on port[0] = 21 [ 56.743798][ T8134] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 56.785741][ T8134] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 56.854154][ T8137] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.866151][ T8137] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.883605][ T8139] team0: Port device team_slave_0 added [ 56.893562][ T8139] team0: Port device team_slave_1 added [ 56.916815][ T8137] team0: Port device team_slave_0 added [ 56.940106][ T8137] team0: Port device team_slave_1 added [ 57.011308][ T8139] device hsr_slave_0 entered promiscuous mode [ 57.069804][ T8139] device hsr_slave_1 entered promiscuous mode [ 57.109629][ T8139] debugfs: Directory 'hsr0' with parent '/' already present! [ 57.182292][ T8137] device hsr_slave_0 entered promiscuous mode [ 57.220287][ T8137] device hsr_slave_1 entered promiscuous mode [ 57.259601][ T8137] debugfs: Directory 'hsr0' with parent '/' already present! [ 57.342850][ T8137] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 57.418149][ T8144] chnl_net:caif_netlink_parms(): no params data found [ 57.444862][ T8137] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 57.506088][ T8139] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 57.571459][ T8137] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 57.602844][ T8137] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 57.686261][ T8139] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 57.757457][ T8146] chnl_net:caif_netlink_parms(): no params data found [ 57.776967][ T8144] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.784755][ T8144] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.792400][ T8144] device bridge_slave_0 entered promiscuous mode [ 57.799377][ T8139] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 57.844606][ T8139] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 57.913564][ T8148] chnl_net:caif_netlink_parms(): no params data found [ 57.925023][ T8144] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.933438][ T8144] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.941472][ T8144] device bridge_slave_1 entered promiscuous mode [ 57.988175][ T8146] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.995468][ T8146] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.003380][ T8146] device bridge_slave_0 entered promiscuous mode [ 58.025762][ T8144] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.036276][ T8146] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.045938][ T8146] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.053746][ T8146] device bridge_slave_1 entered promiscuous mode [ 58.072543][ T8144] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.098164][ T8144] team0: Port device team_slave_0 added [ 58.106506][ T8144] team0: Port device team_slave_1 added [ 58.115232][ T8148] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.122801][ T8148] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.130928][ T8148] device bridge_slave_0 entered promiscuous mode [ 58.138550][ T8148] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.145708][ T8148] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.153551][ T8148] device bridge_slave_1 entered promiscuous mode [ 58.232561][ T8144] device hsr_slave_0 entered promiscuous mode [ 58.272562][ T8144] device hsr_slave_1 entered promiscuous mode [ 58.329617][ T8144] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.346423][ T8134] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.357080][ T8146] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.374078][ T8148] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.386633][ T8148] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.405949][ T8134] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.414501][ T8146] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.435815][ T3135] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 58.444657][ T3135] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.482697][ T8146] team0: Port device team_slave_0 added [ 58.491349][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 58.499924][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 58.508165][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.515289][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.525433][ T8148] team0: Port device team_slave_0 added [ 58.533549][ T8148] team0: Port device team_slave_1 added [ 58.560099][ T8146] team0: Port device team_slave_1 added [ 58.567822][ T3135] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 58.576076][ T3135] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 58.584790][ T3135] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 58.593395][ T3135] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.600490][ T3135] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.608645][ T3135] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 58.628022][ T8134] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 58.638593][ T8134] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 58.658276][ T8139] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.712381][ T8148] device hsr_slave_0 entered promiscuous mode [ 58.760456][ T8148] device hsr_slave_1 entered promiscuous mode [ 58.799628][ T8148] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.815753][ T8149] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 58.824870][ T8149] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 58.833334][ T8149] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 58.841888][ T8149] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 58.850813][ T8149] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 58.859007][ T8149] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 58.868549][ T8149] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 58.877029][ T8149] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 58.885534][ T8149] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 58.893974][ T8149] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 58.902201][ T8149] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 58.918210][ T8134] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 58.928730][ T8144] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 58.951720][ T8144] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 58.994759][ T8144] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 59.041692][ T3135] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 59.049136][ T3135] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 59.132943][ T8146] device hsr_slave_0 entered promiscuous mode [ 59.179909][ T8146] device hsr_slave_1 entered promiscuous mode [ 59.259629][ T8146] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.267210][ T8144] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 59.315640][ T8154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.323373][ T8154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.361610][ T8139] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.405906][ T8148] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 164.429480][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 164.436250][ C0] rcu: 0-...!: (1 GPs behind) idle=fca/1/0x4000000000000002 softirq=10060/10065 fqs=40 [ 164.446186][ C0] (t=10502 jiffies g=6025 q=84) [ 164.451109][ C0] rcu: rcu_preempt kthread starved for 10423 jiffies! g6025 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 164.462188][ C0] rcu: RCU grace-period kthread stack dump: [ 164.468060][ C0] rcu_preempt R running task 29032 10 2 0x80004000 [ 164.475943][ C0] Call Trace: [ 164.479229][ C0] __schedule+0x9a0/0xcc0 [ 164.483555][ C0] schedule+0x181/0x210 [ 164.487696][ C0] schedule_timeout+0x14f/0x240 [ 164.492542][ C0] ? run_local_timers+0x120/0x120 [ 164.497554][ C0] rcu_gp_kthread+0xed8/0x1770 [ 164.502312][ C0] kthread+0x332/0x350 [ 164.506365][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 164.511460][ C0] ? kthread_blkcg+0xe0/0xe0 [ 164.516033][ C0] ret_from_fork+0x24/0x30 [ 164.520446][ C0] NMI backtrace for cpu 0 [ 164.524762][ C0] CPU: 0 PID: 442 Comm: kworker/u4:5 Not tainted 5.4.0-syzkaller #0 [ 164.532716][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 164.542765][ C0] Workqueue: events_unbound fsnotify_mark_destroy_workfn [ 164.549768][ C0] Call Trace: [ 164.553033][ C0] [ 164.555870][ C0] dump_stack+0x1fb/0x318 [ 164.560187][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 164.565020][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 164.571159][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 164.577208][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 164.583175][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 164.589175][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 164.594390][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 164.599586][ C0] ? trace_hardirqs_off+0x74/0x80 [ 164.604603][ C0] update_process_times+0x12d/0x180 [ 164.609795][ C0] tick_sched_timer+0x263/0x420 [ 164.614633][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 164.620166][ C0] __hrtimer_run_queues+0x403/0x840 [ 164.625361][ C0] hrtimer_interrupt+0x38c/0xda0 [ 164.630299][ C0] ? debug_smp_processor_id+0x9/0x20 [ 164.635575][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 164.641108][ C0] apic_timer_interrupt+0xf/0x20 [ 164.646024][ C0] [ 164.648948][ C0] RIP: 0010:free_thread_stack+0x16d/0x590 [ 164.654667][ C0] Code: c3 08 48 89 d8 48 c1 e8 03 42 80 3c 28 00 74 08 48 89 df e8 25 a0 69 00 48 8b 3b be fc ff ff ff e8 28 04 00 00 43 80 3c 2e 00 <74> 08 4c 89 e7 e8 09 a0 69 00 49 8b 1c 24 48 83 c3 08 48 89 d8 48 [ 164.674254][ C0] RSP: 0018:ffffc900026a7898 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 164.682649][ C0] RAX: ffffffff81487433 RBX: ffff8880a8f56708 RCX: ffff8880a846c380 [ 164.690604][ C0] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea0001b05980 [ 164.698562][ C0] RBP: ffffc900026a78d0 R08: 000000000003a728 R09: ffffed101511eea7 [ 164.706521][ C0] R10: ffffed101511eea7 R11: 0000000000000000 R12: ffff8880a8f567a0 [ 164.714475][ C0] R13: dffffc0000000000 R14: 1ffff110151eacf4 R15: ffff8880a88f7528 [ 164.722441][ C0] ? mod_memcg_page_state+0x123/0x190 [ 164.727815][ C0] ? free_thread_stack+0x168/0x590 [ 164.732912][ C0] put_task_stack+0xa3/0x130 [ 164.737490][ C0] finish_task_switch+0x3f1/0x550 [ 164.742506][ C0] __schedule+0x9a8/0xcc0 [ 164.746831][ C0] schedule+0x181/0x210 [ 164.750972][ C0] schedule_timeout+0x46/0x240 [ 164.755729][ C0] do_wait_for_common+0x2e7/0x4d0 [ 164.760748][ C0] ? console_conditional_schedule+0x40/0x40 [ 164.766632][ C0] ? do_task_dead+0xc0/0xc0 [ 164.771151][ C0] wait_for_completion+0x47/0x60 [ 164.776076][ C0] __synchronize_srcu+0x1d7/0x260 [ 164.781090][ C0] ? rcu_read_lock_any_held+0x1a0/0x1a0 [ 164.786627][ C0] synchronize_srcu+0x2cb/0x2f0 [ 164.791466][ C0] fsnotify_mark_destroy_workfn+0xe5/0x2a0 [ 164.797251][ C0] ? rcu_read_lock_sched_held+0x10b/0x170 [ 164.802961][ C0] process_one_work+0x7ef/0x10d0 [ 164.807897][ C0] worker_thread+0xc01/0x1630 [ 164.812577][ C0] kthread+0x332/0x350 [ 164.816643][ C0] ? rcu_lock_release+0x30/0x30 [ 164.821492][ C0] ? kthread_blkcg+0xe0/0xe0 [ 164.826069][ C0] ret_from_fork+0x24/0x30