Warning: Permanently added '10.128.0.23' (ECDSA) to the list of known hosts. 2020/01/08 09:06:59 fuzzer started 2020/01/08 09:07:01 dialing manager at 10.128.0.26:35703 2020/01/08 09:07:01 syscalls: 2824 2020/01/08 09:07:01 code coverage: enabled 2020/01/08 09:07:01 comparison tracing: enabled 2020/01/08 09:07:01 extra coverage: enabled 2020/01/08 09:07:01 setuid sandbox: enabled 2020/01/08 09:07:01 namespace sandbox: enabled 2020/01/08 09:07:01 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 09:07:01 fault injection: enabled 2020/01/08 09:07:01 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 09:07:01 net packet injection: enabled 2020/01/08 09:07:01 net device setup: enabled 2020/01/08 09:07:01 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 09:07:01 devlink PCI setup: PCI device 0000:00:10.0 is not available 09:07:02 executing program 0: bpf$PROG_LOAD(0x5, &(0x7f0000000040)={0xb, 0x3, &(0x7f0000000000)=@raw=[@initr0, @jmp={0x5, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe}], &(0x7f00000001c0)='GPL\x00', 0x3, 0x1000, &(0x7f000062b000)=""/4096, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0}, 0x70) 09:07:02 executing program 1: syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x0) r0 = syz_open_dev$loop(0x0, 0x0, 0x0) ioctl$BLKPG(r0, 0x401070c9, 0x0) syzkaller login: [ 66.707804][ T8564] IPVS: ftp: loaded support on port[0] = 21 [ 66.874982][ T8564] chnl_net:caif_netlink_parms(): no params data found [ 66.918048][ T8564] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.935996][ T8564] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.944343][ T8564] device bridge_slave_0 entered promiscuous mode [ 66.954875][ T8564] bridge0: port 2(bridge_slave_1) entered blocking state 09:07:02 executing program 2: r0 = socket$kcm(0x2b, 0x1, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0xc, 0xe, &(0x7f0000000380)=ANY=[@ANYBLOB="b702000003000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fe00000000850000000d000000b7000000000000009500000000000000"], &(0x7f0000000340)='syzkaller\x00'}, 0x48) r2 = socket$kcm(0x11, 0x200000000000002, 0x300) r3 = socket$kcm(0x11, 0x2, 0x0) setsockopt$sock_attach_bpf(r2, 0x107, 0x12, &(0x7f00000000c0)=r3, 0x4) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r1, 0x18000000000002a0, 0xb9, 0x0, &(0x7f0000000500)="b9ff0300000d698cb89e14f04305000fffff00004000638877fbac141421e9", 0x0, 0x100, 0x88000000}, 0x28) [ 66.962378][ T8564] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.971395][ T8564] device bridge_slave_1 entered promiscuous mode [ 67.000144][ T8567] IPVS: ftp: loaded support on port[0] = 21 [ 67.022305][ T8564] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.042021][ T8564] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.069422][ T8564] team0: Port device team_slave_0 added [ 67.079546][ T8564] team0: Port device team_slave_1 added [ 67.143066][ T8564] device hsr_slave_0 entered promiscuous mode [ 67.180727][ T8564] device hsr_slave_1 entered promiscuous mode 09:07:02 executing program 3: r0 = socket$inet6(0xa, 0x80002, 0x0) sendto$inet6(r0, 0x0, 0x0, 0x88880, &(0x7f00000000c0)={0xa, 0x4e20, 0x0, @dev}, 0x1c) sendto$inet6(r0, &(0x7f00000009c0)="c7cfcaaa22e10542fca5c0195350f15147657e0bfc59d383a47190db88690e6fedc3040ab5809ae02a54cd429cc3338c5afa0c9dce3f91950d1f567f358ac21154159130e88cbb6c43197813b2f23f3e442f80877490b393408142ebcfea6821f543e5ee9e27032e2b75d78f1b79f5a6bb6f0645e267770ef7e8f3a92148091217450ce8581e54223eeb6486205a209bf1fe854d211c03f8c3140fc3979d824082990d119473d20e94f253c9621fac339560ae46cb24b88bf2d01559bb658e343257b90f233b81bc5c398be3bbddb23a1e", 0xffd6, 0xc001, 0x0, 0xffffffffffffff0c) setsockopt$inet6_mtu(r0, 0x29, 0x17, &(0x7f0000000040)=0x2, 0x4) setsockopt$inet6_udp_int(r0, 0x11, 0x1, &(0x7f0000000000), 0x4) [ 67.255059][ T8569] IPVS: ftp: loaded support on port[0] = 21 [ 67.446733][ T8572] IPVS: ftp: loaded support on port[0] = 21 [ 67.453291][ T8564] netdevsim netdevsim0 netdevsim0: renamed from eth0 09:07:03 executing program 4: syz_mount_image$vfat(&(0x7f0000000540)='vfat\x00', &(0x7f00000002c0)='./file0\x00', 0x800000000e004, 0x1, &(0x7f0000000380)=[{&(0x7f0000000100)="eb3c906d6b66732e666174000204010002000270fff8", 0x16}], 0x0, 0x0) r0 = open(&(0x7f0000000200)='./file0\x00', 0x0, 0x0) fchdir(r0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, 0x0, &(0x7f0000000280)) setreuid(0x0, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, 0x0, &(0x7f0000000280)) lstat(&(0x7f0000000180)='./file0\x00', 0x0) socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000000240), 0x0) syz_open_procfs(0x0, &(0x7f0000000440)='net/igmp6\x00') preadv(0xffffffffffffffff, &(0x7f0000000480), 0x10000000000001ed, 0x4c000000) lstat(&(0x7f00000000c0)='.\x00', &(0x7f0000000100)) setfsgid(0x0) setfsgid(0x0) lstat(&(0x7f0000001900)='./file0\x00', &(0x7f0000001940)) syz_mount_image$hfsplus(0x0, 0x0, 0x0, 0x0, &(0x7f0000001880), 0x0, &(0x7f0000001bc0)={[{@nobarrier='nobarrier'}, {@gid={'gid'}}, {@barrier='barrier'}], [{@appraise_type='appraise_type=imasig'}, {@pcr={'pcr'}}]}) socket$alg(0x26, 0x5, 0x0) getsockopt$inet_sctp_SCTP_MAX_BURST(0xffffffffffffffff, 0x84, 0x14, 0x0, 0x0) connect$inet6(0xffffffffffffffff, &(0x7f0000001a80)={0xa, 0x4e20, 0x6, @local, 0x3}, 0x1c) creat(&(0x7f0000000000)='./bus\x00', 0x0) open(&(0x7f0000000040)='.\x00', 0x0, 0x0) [ 67.492897][ T8564] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 67.616537][ T8567] chnl_net:caif_netlink_parms(): no params data found [ 67.638462][ T8564] netdevsim netdevsim0 netdevsim2: renamed from eth2 09:07:03 executing program 5: r0 = socket$inet_udp(0x2, 0x2, 0x0) setsockopt$inet_MCAST_JOIN_GROUP(0xffffffffffffffff, 0x0, 0x2a, &(0x7f0000008000)={0x0, {{0x2, 0x0, @dev}}}, 0x56) getsockopt$inet_buf(r0, 0x0, 0x30, &(0x7f0000008000)=""/144, &(0x7f0000004000)=0x90) [ 67.682709][ T8564] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 67.754996][ T8574] IPVS: ftp: loaded support on port[0] = 21 [ 67.830316][ T8564] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.837671][ T8564] bridge0: port 2(bridge_slave_1) entered forwarding state [ 67.845366][ T8564] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.852439][ T8564] bridge0: port 1(bridge_slave_0) entered forwarding state [ 67.889862][ T3085] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.897614][ T3085] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.908043][ T8569] chnl_net:caif_netlink_parms(): no params data found [ 67.947667][ T8577] IPVS: ftp: loaded support on port[0] = 21 [ 67.984554][ T8567] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.992066][ T8567] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.999562][ T8567] device bridge_slave_0 entered promiscuous mode [ 68.015427][ T8569] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.022564][ T8569] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.030225][ T8569] device bridge_slave_0 entered promiscuous mode [ 68.046922][ T8567] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.055674][ T8567] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.063378][ T8567] device bridge_slave_1 entered promiscuous mode [ 68.081364][ T8569] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.088415][ T8569] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.097660][ T8569] device bridge_slave_1 entered promiscuous mode [ 68.126282][ T8567] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.142428][ T8567] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 68.167193][ T8572] chnl_net:caif_netlink_parms(): no params data found [ 68.187021][ T8569] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.222799][ T8569] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 68.245179][ T8567] team0: Port device team_slave_0 added [ 68.268223][ T8567] team0: Port device team_slave_1 added [ 68.291749][ T8572] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.298894][ T8572] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.306579][ T8572] device bridge_slave_0 entered promiscuous mode [ 68.318029][ T8569] team0: Port device team_slave_0 added [ 68.325481][ T8574] chnl_net:caif_netlink_parms(): no params data found [ 68.336145][ T8564] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.347167][ T8572] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.354750][ T8572] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.364435][ T8572] device bridge_slave_1 entered promiscuous mode [ 68.384848][ T8569] team0: Port device team_slave_1 added [ 68.457289][ T2737] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 68.465454][ T2737] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 68.480000][ T8564] 8021q: adding VLAN 0 to HW filter on device team0 [ 68.489848][ T8572] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.532027][ T8567] device hsr_slave_0 entered promiscuous mode [ 68.580721][ T8567] device hsr_slave_1 entered promiscuous mode [ 68.640656][ T8567] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 68.648443][ T8567] Cannot create hsr debugfs directory [ 68.723138][ T8569] device hsr_slave_0 entered promiscuous mode [ 68.780744][ T8569] device hsr_slave_1 entered promiscuous mode [ 68.840457][ T8569] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 68.848052][ T8569] Cannot create hsr debugfs directory [ 68.858495][ T8572] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 68.879653][ T2733] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 68.888906][ T2733] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 68.897423][ T2733] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.904515][ T2733] bridge0: port 1(bridge_slave_0) entered forwarding state [ 68.912230][ T8577] chnl_net:caif_netlink_parms(): no params data found [ 68.972139][ T2732] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 68.981279][ T2732] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 68.989533][ T2732] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.996616][ T2732] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.005193][ T2732] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 69.029744][ T8572] team0: Port device team_slave_0 added [ 69.035885][ T8574] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.043042][ T8574] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.050886][ T8574] device bridge_slave_0 entered promiscuous mode [ 69.059436][ T8574] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.067776][ T8574] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.075573][ T8574] device bridge_slave_1 entered promiscuous mode [ 69.098549][ T8574] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 69.114239][ T8572] team0: Port device team_slave_1 added [ 69.133050][ T3085] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 69.147358][ T8574] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 69.186867][ T8577] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.196956][ T8577] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.204849][ T8577] device bridge_slave_0 entered promiscuous mode [ 69.217727][ T2732] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 69.226998][ T2732] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 69.235577][ T2732] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 69.244066][ T2732] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 69.252693][ T2732] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 69.261192][ T2732] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 69.269264][ T2732] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 69.277594][ T2732] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 69.286546][ T2732] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 69.295871][ T8564] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 69.306329][ T8577] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.314960][ T8577] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.323103][ T8577] device bridge_slave_1 entered promiscuous mode [ 69.332031][ T8574] team0: Port device team_slave_0 added [ 69.363028][ T8574] team0: Port device team_slave_1 added [ 69.374002][ T8577] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 69.387174][ T8577] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 69.444191][ T8572] device hsr_slave_0 entered promiscuous mode [ 69.510810][ T8572] device hsr_slave_1 entered promiscuous mode [ 69.560541][ T8572] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 69.568131][ T8572] Cannot create hsr debugfs directory [ 69.653288][ T8574] device hsr_slave_0 entered promiscuous mode [ 69.690900][ T8574] device hsr_slave_1 entered promiscuous mode [ 69.740589][ T8574] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 69.748191][ T8574] Cannot create hsr debugfs directory [ 69.753962][ T8569] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 69.832740][ T8569] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 69.877259][ T8569] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 69.939081][ T2730] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 69.946645][ T2730] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 69.956245][ T8577] team0: Port device team_slave_0 added [ 69.964000][ T8577] team0: Port device team_slave_1 added [ 69.969702][ T8569] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 70.028597][ T8567] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 70.117964][ T8567] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 70.146590][ T8567] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 70.195954][ T8567] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 70.245437][ T8564] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 70.324064][ T8577] device hsr_slave_0 entered promiscuous mode [ 70.360759][ T8577] device hsr_slave_1 entered promiscuous mode [ 70.410497][ T8577] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 70.418106][ T8577] Cannot create hsr debugfs directory [ 70.492153][ T8572] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 70.554484][ T8572] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 70.612978][ T2730] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 70.621741][ T2730] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 70.645895][ T8572] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 70.692371][ T8572] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 70.755489][ T8574] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 70.802817][ T8574] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 70.843228][ T8574] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 70.905839][ T8569] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.939128][ T8577] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 71.002229][ T8574] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 71.043242][ T2732] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 71.053231][ T2732] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 71.064001][ T2732] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 71.072394][ T2732] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 71.083327][ T8564] device veth0_vlan entered promiscuous mode [ 71.099557][ T8577] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 71.174894][ T8567] 8021q: adding VLAN 0 to HW filter on device bond0 [ 71.185929][ T2732] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 71.193755][ T2732] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 71.205741][ T8564] device veth1_vlan entered promiscuous mode [ 71.213484][ T8577] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 71.277439][ T8577] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 71.345132][ T8569] 8021q: adding VLAN 0 to HW filter on device team0 [ 71.357576][ T8567] 8021q: adding VLAN 0 to HW filter on device team0 [ 71.383358][ T2730] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 71.393116][ T2730] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 71.461147][ T2730] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 71.469686][ T2730] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 71.478898][ T2730] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.486012][ T2730] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.496048][ T2730] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 71.504712][ T2730] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 71.513728][ T2730] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.520824][ T2730] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.528310][ T2730] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 71.537171][ T2730] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 71.545873][ T2730] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.552978][ T2730] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.560689][ T2730] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 71.569068][ T2730] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 71.577664][ T2730] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 71.586288][ T2730] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 71.594913][ T2730] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 71.603437][ T2730] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 71.611931][ T2730] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 71.620111][ T2730] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 71.629644][ T2730] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 71.637546][ T2730] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 71.645345][ T2730] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 71.692571][ T2737] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 71.707940][ T2737] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 176.720356][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 176.727272][ C1] rcu: 1-...!: (10499 ticks this GP) idle=66e/1/0x4000000000000002 softirq=13513/13513 fqs=1 [ 176.737755][ C1] (t=10500 jiffies g=6773 q=44) [ 176.742683][ C1] rcu: rcu_preempt kthread starved for 10498 jiffies! g6773 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 176.753789][ C1] rcu: RCU grace-period kthread stack dump: [ 176.759798][ C1] rcu_preempt R running task 29032 10 2 0x80004000 [ 176.767716][ C1] Call Trace: [ 176.771010][ C1] __schedule+0x9a0/0xcc0 [ 176.775345][ C1] schedule+0x181/0x210 [ 176.779497][ C1] schedule_timeout+0x14f/0x240 [ 176.784335][ C1] ? run_local_timers+0x120/0x120 [ 176.789351][ C1] rcu_gp_kthread+0xed8/0x1770 [ 176.794111][ C1] kthread+0x332/0x350 [ 176.798168][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 176.803282][ C1] ? kthread_blkcg+0xe0/0xe0 [ 176.807862][ C1] ret_from_fork+0x24/0x30 [ 176.812281][ C1] NMI backtrace for cpu 1 [ 176.816621][ C1] CPU: 1 PID: 2737 Comm: kworker/1:14 Not tainted 5.5.0-rc5-syzkaller #0 [ 176.825012][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 176.835060][ C1] Workqueue: events linkwatch_event [ 176.840240][ C1] Call Trace: [ 176.843510][ C1] [ 176.846365][ C1] dump_stack+0x1fb/0x318 [ 176.850701][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 176.855543][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 176.861685][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 176.867750][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 176.873721][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 176.879613][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 176.884719][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 176.889911][ C1] ? trace_hardirqs_off+0x74/0x80 [ 176.894929][ C1] update_process_times+0x12d/0x180 [ 176.900116][ C1] tick_sched_timer+0x263/0x420 [ 176.904956][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 176.910489][ C1] __hrtimer_run_queues+0x403/0x840 [ 176.915689][ C1] hrtimer_interrupt+0x38c/0xda0 [ 176.920627][ C1] ? debug_smp_processor_id+0x9/0x20 [ 176.925900][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 176.931433][ C1] apic_timer_interrupt+0xf/0x20 [ 176.936361][ C1] [ 176.939288][ C1] RIP: 0010:free_thread_stack+0x151/0x590 [ 176.944992][ C1] Code: 31 f6 e8 02 8d 6f 00 43 80 3c 2e 00 74 08 4c 89 e7 e8 73 94 6a 00 49 8b 1c 24 48 83 c3 08 48 89 d8 48 c1 e8 03 42 80 3c 28 00 <74> 08 48 89 df e8 55 94 6a 00 48 8b 3b be fc ff ff ff e8 28 04 00 [ 176.964606][ C1] RSP: 0018:ffffc90007d5f700 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 176.973007][ C1] RAX: 1ffff11014816331 RBX: ffff8880a40b1988 RCX: 0000000000000000 [ 176.980981][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea000289aa00 [ 176.988954][ C1] RBP: ffffc90007d5f738 R08: 000000000003a728 R09: fffffbfff124248a [ 176.996913][ C1] R10: fffffbfff124248a R11: 0000000000000000 R12: ffff8880a40b1a20 [ 177.004873][ C1] R13: dffffc0000000000 R14: 1ffff11014816344 R15: ffff888097d39438 [ 177.012863][ C1] put_task_stack+0xa3/0x130 [ 177.017447][ C1] finish_task_switch+0x3f1/0x550 [ 177.022463][ C1] __schedule+0x9a8/0xcc0 [ 177.026813][ C1] ? ___preempt_schedule+0x16/0x18 [ 177.031926][ C1] preempt_schedule+0xdb/0x120 [ 177.036710][ C1] ___preempt_schedule+0x16/0x18 [ 177.041646][ C1] ? vprintk_emit+0x2fe/0x3a0 [ 177.046322][ C1] ? vprintk_emit+0x368/0x3a0 [ 177.051027][ C1] vprintk_emit+0x36d/0x3a0 [ 177.055527][ C1] vprintk_default+0x28/0x30 [ 177.060107][ C1] vprintk_func+0x158/0x170 [ 177.064599][ C1] printk+0x62/0x8d [ 177.068407][ C1] ? addrconf_notify+0xd37/0x3c90 [ 177.073417][ C1] ? addrconf_notify+0x779/0x3c90 [ 177.078435][ C1] addrconf_notify+0x2c8d/0x3c90 [ 177.083369][ C1] ? lockdep_hardirqs_on+0x3c5/0x7d0 [ 177.088643][ C1] ? __local_bh_enable_ip+0x13a/0x240 [ 177.094010][ C1] ? clusterip_netdev_event+0x48b/0x4a0 [ 177.099545][ C1] ? trace_hardirqs_on+0x74/0x80 [ 177.104474][ C1] ? __local_bh_enable_ip+0x13a/0x240 [ 177.109833][ C1] ? clusterip_netdev_event+0x48b/0x4a0 [ 177.115385][ C1] ? tls_dev_event+0x619/0xc00 [ 177.120174][ C1] ? clusterip_netdev_event+0x48b/0x4a0 [ 177.125725][ C1] ? ip6mr_device_event+0x1ee/0x210 [ 177.130926][ C1] raw_notifier_call_chain+0xec/0x190 [ 177.136298][ C1] netdev_state_change+0x147/0x1f0 [ 177.141405][ C1] linkwatch_do_dev+0x10e/0x160 [ 177.146245][ C1] __linkwatch_run_queue+0x446/0x730 [ 177.151525][ C1] linkwatch_event+0x4c/0x60 [ 177.156105][ C1] process_one_work+0x7ef/0x10d0 [ 177.161049][ C1] worker_thread+0xc01/0x1630 [ 177.165733][ C1] kthread+0x332/0x350 [ 177.169791][ C1] ? rcu_lock_release+0x30/0x30 [ 177.174632][ C1] ? kthread_blkcg+0xe0/0xe0 [ 177.179212][ C1] ret_from_fork+0x24/0x30