Warning: Permanently added '10.128.15.224' (ECDSA) to the list of known hosts. 2019/12/03 18:39:41 fuzzer started 2019/12/03 18:39:42 dialing manager at 10.128.0.26:42111 2019/12/03 18:39:42 syscalls: 2689 2019/12/03 18:39:42 code coverage: enabled 2019/12/03 18:39:42 comparison tracing: enabled 2019/12/03 18:39:42 extra coverage: extra coverage is not supported by the kernel 2019/12/03 18:39:42 setuid sandbox: enabled 2019/12/03 18:39:42 namespace sandbox: enabled 2019/12/03 18:39:42 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/03 18:39:42 fault injection: enabled 2019/12/03 18:39:42 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/03 18:39:42 net packet injection: enabled 2019/12/03 18:39:42 net device setup: enabled 2019/12/03 18:39:42 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/03 18:39:42 devlink PCI setup: PCI device 0000:00:10.0 is not available 18:39:43 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = fcntl$dupfd(r0, 0x0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)=@newlink={0x28, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_MTU={0x8}]}, 0x28}}, 0x0) r2 = socket(0x10, 0x80002, 0x0) sendmmsg$alg(r2, &(0x7f0000000140), 0xd3, 0x0) 18:39:43 executing program 1: r0 = socket$inet_tcp(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000100)={0x2, 0x4e20, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x20000002, &(0x7f0000000080)={0x2, 0x4e20, @local}, 0x10) sendto$inet(r0, &(0x7f0000000000)='\x00', 0xffffffffffffff7f, 0x8000204087ffd, 0x0, 0x138) recvfrom$inet(r0, 0x0, 0xffffffffffffffda, 0x10120, 0x0, 0xffffffffffffff73) syzkaller login: [ 58.991224][ T8191] IPVS: ftp: loaded support on port[0] = 21 18:39:43 executing program 2: r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xe, 0x4, 0x4, 0x1}, 0x2c) accept$packet(0xffffffffffffffff, &(0x7f0000000300)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @remote}, &(0x7f0000000340)=0x14) bpf$MAP_LOOKUP_ELEM(0x1, &(0x7f00000004c0)={r0, &(0x7f0000000340), 0x0}, 0x20) [ 59.168583][ T8191] chnl_net:caif_netlink_parms(): no params data found [ 59.178460][ T8194] IPVS: ftp: loaded support on port[0] = 21 [ 59.290093][ T8191] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.303985][ T8191] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.312115][ T8191] device bridge_slave_0 entered promiscuous mode [ 59.322061][ T8191] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.329889][ T8191] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.337996][ T8191] device bridge_slave_1 entered promiscuous mode [ 59.359905][ T8196] IPVS: ftp: loaded support on port[0] = 21 [ 59.388473][ T8191] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link 18:39:44 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000140)={0x26, 'skcipher\x00', 0x0, 0x0, 'ctr(blowfish)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f0000ff8000)="0a0775b0", 0x4) r1 = accept$alg(r0, 0x0, 0x0) sendmmsg$alg(r1, &(0x7f0000003e80)=[{0x0, 0x0, &(0x7f0000002a80), 0x359, &(0x7f0000000100)=[@op={0x18}], 0x18}], 0x1, 0x0) recvmmsg(r1, &(0x7f0000000dc0)=[{{0x0, 0x0, &(0x7f0000000700)=[{&(0x7f00000000c0)=""/12, 0xc}, {&(0x7f00000001c0)=""/164, 0xa4}], 0x2}}], 0x1, 0x0, 0x0) [ 59.437442][ T8191] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.491992][ T8194] chnl_net:caif_netlink_parms(): no params data found [ 59.511307][ T8191] team0: Port device team_slave_0 added [ 59.520312][ T8191] team0: Port device team_slave_1 added 18:39:44 executing program 4: 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, 0x0, 0xffffffffffffffff, 0x0) bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0x1, 0x4, &(0x7f0000000040)=@framed={{0xffffffb4, 0x5, 0x0, 0x0, 0x0, 0x69, 0x10, 0x54}, [@ldst={0x7, 0x0, 0x1}]}, &(0x7f0000003ff6)='G\x00', 0x5, 0xff34, &(0x7f000000cf3d)=""/195, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x1c4, 0x10, &(0x7f0000000000), 0x1dd}, 0x48) [ 59.738083][ T8191] device hsr_slave_0 entered promiscuous mode [ 59.795950][ T8191] device hsr_slave_1 entered promiscuous mode [ 59.868870][ T8194] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.880663][ T8194] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.888997][ T8194] device bridge_slave_0 entered promiscuous mode [ 59.903363][ T8199] IPVS: ftp: loaded support on port[0] = 21 18:39:44 executing program 5: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = fcntl$dupfd(r0, 0x0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount$overlay(0x40000f, &(0x7f0000000000)='./file0\x00', &(0x7f00000000c0)='overlay\x00', 0x0, &(0x7f0000000080)={[{@upperdir={'upperdir', 0x3d, './file0'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@workdir={'workdir'}, 0x5c}], [], 0xf603000000000000}) [ 59.929142][ T8194] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.940761][ T8201] IPVS: ftp: loaded support on port[0] = 21 [ 59.950322][ T8194] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.968638][ T8194] device bridge_slave_1 entered promiscuous mode [ 60.019043][ T8196] chnl_net:caif_netlink_parms(): no params data found [ 60.082469][ T8191] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 60.116876][ T8194] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.128556][ T8194] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.146549][ T8191] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 60.212426][ T8204] IPVS: ftp: loaded support on port[0] = 21 [ 60.220815][ T8191] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 60.268638][ T8191] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 60.347459][ T8196] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.355182][ T8196] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.362805][ T8196] device bridge_slave_0 entered promiscuous mode [ 60.371836][ T8196] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.378964][ T8196] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.386585][ T8196] device bridge_slave_1 entered promiscuous mode [ 60.395428][ T8194] team0: Port device team_slave_0 added [ 60.412393][ T8196] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.430681][ T8196] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.448419][ T8194] team0: Port device team_slave_1 added [ 60.501163][ T8196] team0: Port device team_slave_0 added [ 60.542540][ T8196] team0: Port device team_slave_1 added [ 60.606135][ T8194] device hsr_slave_0 entered promiscuous mode [ 60.653884][ T8194] device hsr_slave_1 entered promiscuous mode [ 60.703628][ T8194] debugfs: Directory 'hsr0' with parent '/' already present! [ 60.718462][ T8199] chnl_net:caif_netlink_parms(): no params data found [ 60.740100][ T8201] chnl_net:caif_netlink_parms(): no params data found [ 60.837025][ T8196] device hsr_slave_0 entered promiscuous mode [ 60.873903][ T8196] device hsr_slave_1 entered promiscuous mode [ 60.923606][ T8196] debugfs: Directory 'hsr0' with parent '/' already present! [ 60.950119][ T8201] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.957937][ T8201] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.965760][ T8201] device bridge_slave_0 entered promiscuous mode [ 61.005023][ T8201] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.012103][ T8201] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.022626][ T8201] device bridge_slave_1 entered promiscuous mode [ 61.035557][ T8194] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 61.076204][ T8199] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.083311][ T8199] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.091096][ T8199] device bridge_slave_0 entered promiscuous mode [ 61.101307][ T8199] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.108499][ T8199] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.109328][ T8199] device bridge_slave_1 entered promiscuous mode [ 61.131590][ T8201] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.145133][ T8194] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 61.198097][ T8194] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 61.254828][ T8196] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 61.310892][ T8196] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 61.367321][ T8201] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.382980][ T8194] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 61.433322][ T8196] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 61.485771][ T8196] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 61.552832][ T8199] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.565552][ T8199] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.610783][ T8204] chnl_net:caif_netlink_parms(): no params data found [ 61.626962][ T8201] team0: Port device team_slave_0 added [ 61.634915][ T8199] team0: Port device team_slave_0 added [ 61.643082][ T8199] team0: Port device team_slave_1 added [ 61.657969][ T8201] team0: Port device team_slave_1 added [ 61.735384][ T8199] device hsr_slave_0 entered promiscuous mode [ 61.773824][ T8199] device hsr_slave_1 entered promiscuous mode [ 61.823561][ T8199] debugfs: Directory 'hsr0' with parent '/' already present! [ 61.833321][ T8191] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.886186][ T8201] device hsr_slave_0 entered promiscuous mode [ 61.933796][ T8201] device hsr_slave_1 entered promiscuous mode [ 61.974064][ T8201] debugfs: Directory 'hsr0' with parent '/' already present! [ 61.981883][ T8204] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.989173][ T8204] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.996969][ T8204] device bridge_slave_0 entered promiscuous mode [ 62.005086][ T8204] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.012167][ T8204] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.019992][ T8204] device bridge_slave_1 entered promiscuous mode [ 62.055565][ T8204] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 62.069905][ T8191] 8021q: adding VLAN 0 to HW filter on device team0 [ 62.094950][ T3024] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.103368][ T3024] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.116684][ T8204] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 62.160855][ T3024] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 62.170474][ T3024] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 62.179504][ T3024] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.186741][ T3024] bridge0: port 1(bridge_slave_0) entered forwarding state [ 62.195390][ T3024] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 62.204261][ T3024] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 62.212545][ T3024] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.219675][ T3024] bridge0: port 2(bridge_slave_1) entered forwarding state [ 62.227646][ T8208] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 62.241910][ T8196] 8021q: adding VLAN 0 to HW filter on device bond0 [ 62.251589][ T8204] team0: Port device team_slave_0 added [ 62.261669][ T8204] team0: Port device team_slave_1 added [ 62.276275][ T8201] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 62.307163][ T8199] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 62.355796][ T8199] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 62.426274][ T8199] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 62.474197][ T8201] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 62.595330][ T8204] device hsr_slave_0 entered promiscuous mode [ 62.633807][ T8204] device hsr_slave_1 entered promiscuous mode [ 62.683667][ T8204] debugfs: Directory 'hsr0' with parent '/' already present! [ 62.693115][ T3024] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 62.702069][ T3024] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 62.711040][ T3024] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.718801][ T3024] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.727330][ T8199] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 62.798107][ T8201] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 62.846739][ T8196] 8021q: adding VLAN 0 to HW filter on device team0 [ 62.866644][ T8194] 8021q: adding VLAN 0 to HW filter on device bond0 [ 62.873953][ T8201] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 62.899923][ T3024] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 62.909220][ T3024] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 62.917648][ T3024] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.924729][ T3024] bridge0: port 1(bridge_slave_0) entered forwarding state [ 62.932453][ T3024] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 62.941736][ T3024] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 62.950120][ T3024] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 62.958659][ T3024] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 62.981637][ T8194] 8021q: adding VLAN 0 to HW filter on device team0 [ 62.996465][ T3024] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 63.005018][ T3024] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 63.012898][ T3024] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 63.021272][ T3024] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 63.029751][ T3024] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 63.038692][ T3024] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 63.047265][ T3024] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 63.056042][ T3024] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 63.064491][ T3024] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.071531][ T3024] bridge0: port 2(bridge_slave_1) entered forwarding state [ 63.079116][ T3024] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 63.086847][ T3024] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 63.094608][ T3024] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 63.104664][ T8191] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 63.142414][ T8208] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 63.153312][ T8208] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 63.162409][ T8208] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.169503][ T8208] bridge0: port 1(bridge_slave_0) entered forwarding state [ 63.180897][ T8208] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 63.202214][ T8204] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 63.235965][ T8204] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 63.289070][ T8208] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 63.297379][ T8208] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 63.306191][ T8208] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 63.314701][ T8208] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 63.322103][ T8208] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 63.330090][ T8208] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 63.338802][ T8208] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 63.347613][ T8208] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 63.371613][ T8204] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 63.396095][ T8204] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 63.447513][ T3884] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 63.456152][ T3884] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 63.464718][ T3884] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.471776][ T3884] bridge0: port 2(bridge_slave_1) entered forwarding state [ 63.479398][ T3884] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 63.488243][ T3884] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 63.496825][ T3884] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 63.505324][ T3884] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 63.516484][ T8191] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 63.542293][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 63.550778][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 63.559645][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 63.568210][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 63.576665][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 63.585236][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 63.593391][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 63.607510][ T8208] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 63.616619][ T8208] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 63.629048][ T8196] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 63.641327][ T8196] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 63.655632][ T8194] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 63.680104][ T8199] 8021q: adding VLAN 0 to HW filter on device bond0 [ 63.697470][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 63.707575][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 63.716333][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 63.724049][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 63.735837][ T8201] 8021q: adding VLAN 0 to HW filter on device bond0 [ 63.748941][ T8194] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 63.764167][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 63.771865][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 63.804435][ T3884] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 63.812095][ T3884] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 63.843103][ T8196] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 63.926402][ T8217] nf_conntrack: default automatic helper assignment has been turned off for security reasons and CT-based firewall rule not found. Use the iptables CT target to attach helpers instead. [ 63.955985][ T8199] 8021q: adding VLAN 0 to HW filter on device team0 [ 63.987142][ T8201] 8021q: adding VLAN 0 to HW filter on device team0 [ 168.963408][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 168.970185][ C1] rcu: 1-...!: (1 GPs behind) idle=c92/1/0x4000000000000002 softirq=11404/11408 fqs=1 [ 168.980042][ C1] (t=10500 jiffies g=6361 q=389) [ 168.985057][ C1] rcu: rcu_preempt kthread starved for 10498 jiffies! g6361 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 168.996156][ C1] rcu: RCU grace-period kthread stack dump: [ 169.002033][ C1] rcu_preempt R running task 29032 10 2 0x80004000 [ 169.009941][ C1] Call Trace: [ 169.013228][ C1] __schedule+0x9a0/0xcc0 [ 169.017555][ C1] schedule+0x181/0x210 [ 169.021701][ C1] schedule_timeout+0x14f/0x240 [ 169.026541][ C1] ? run_local_timers+0x120/0x120 [ 169.031572][ C1] rcu_gp_kthread+0xed8/0x1770 [ 169.036333][ C1] kthread+0x332/0x350 [ 169.040387][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 169.045511][ C1] ? kthread_blkcg+0xe0/0xe0 [ 169.050089][ C1] ret_from_fork+0x24/0x30 [ 169.054511][ C1] NMI backtrace for cpu 1 [ 169.058844][ C1] CPU: 1 PID: 8208 Comm: kworker/1:3 Not tainted 5.4.0-syzkaller #0 [ 169.066815][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 169.076867][ C1] Workqueue: ipv6_addrconf addrconf_dad_work [ 169.082851][ C1] Call Trace: [ 169.086170][ C1] [ 169.089012][ C1] dump_stack+0x1fb/0x318 [ 169.093333][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 169.098174][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 169.104323][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 169.110377][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 169.116354][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 169.122246][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 169.127381][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 169.132584][ C1] ? trace_hardirqs_off+0x74/0x80 [ 169.137700][ C1] update_process_times+0x12d/0x180 [ 169.142897][ C1] tick_sched_timer+0x263/0x420 [ 169.147738][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 169.153274][ C1] __hrtimer_run_queues+0x403/0x840 [ 169.158474][ C1] hrtimer_interrupt+0x38c/0xda0 [ 169.163412][ C1] ? debug_smp_processor_id+0x9/0x20 [ 169.168948][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 169.174495][ C1] apic_timer_interrupt+0xf/0x20 [ 169.179416][ C1] [ 169.182344][ C1] RIP: 0010:__sanitizer_cov_trace_pc+0x48/0x50 [ 169.188485][ C1] 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 [ 169.208078][ C1] RSP: 0018:ffffc90002a578b0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 169.216480][ C1] RAX: ffffffff81487433 RBX: 0000000000000000 RCX: ffff888090ffa200 [ 169.224440][ C1] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea00025d5a80 [ 169.232400][ C1] RBP: ffffc90002a578d8 R08: 000000000003a768 R09: fffffbfff120248a [ 169.240375][ C1] R10: fffffbfff120248a R11: 0000000000000000 R12: dffffc0000000000 [ 169.248334][ C1] R13: dffffc0000000000 R14: 00000000fffffffc R15: ffff8880904e9968 [ 169.256308][ C1] ? mod_memcg_page_state+0x123/0x190 [ 169.261671][ C1] ? mod_memcg_page_state+0x123/0x190 [ 169.267060][ C1] free_thread_stack+0x168/0x590 [ 169.272009][ C1] put_task_stack+0xa3/0x130 [ 169.276604][ C1] finish_task_switch+0x3f1/0x550 [ 169.281635][ C1] __schedule+0x9a8/0xcc0 [ 169.285965][ C1] ? debug_smp_processor_id+0x9/0x20 [ 169.291248][ C1] schedule+0x181/0x210 [ 169.295400][ C1] schedule_preempt_disabled+0x13/0x20 [ 169.300850][ C1] mutex_optimistic_spin+0x445/0x480 [ 169.306133][ C1] __mutex_lock_common+0x2e7/0x2e10 [ 169.311323][ C1] ? rtnl_lock+0x17/0x20 [ 169.315570][ C1] ? process_one_work+0x75d/0x10d0 [ 169.320676][ C1] mutex_lock_nested+0x1b/0x30 [ 169.325426][ C1] rtnl_lock+0x17/0x20 [ 169.329483][ C1] addrconf_dad_work+0x69/0x1c30 [ 169.334413][ C1] ? rcu_read_lock_sched_held+0x10b/0x170 [ 169.340135][ C1] process_one_work+0x7ef/0x10d0 [ 169.345081][ C1] worker_thread+0xc01/0x1630 [ 169.349792][ C1] kthread+0x332/0x350 [ 169.353852][ C1] ? rcu_lock_release+0x30/0x30 [ 169.358707][ C1] ? kthread_blkcg+0xe0/0xe0 [ 169.363295][ C1] ret_from_fork+0x24/0x30