Warning: Permanently added '10.128.0.173' (ECDSA) to the list of known hosts. 2019/12/04 08:12:30 fuzzer started 2019/12/04 08:12:31 dialing manager at 10.128.0.26:36481 2019/12/04 08:12:31 syscalls: 2691 2019/12/04 08:12:31 code coverage: enabled 2019/12/04 08:12:31 comparison tracing: enabled 2019/12/04 08:12:31 extra coverage: extra coverage is not supported by the kernel 2019/12/04 08:12:31 setuid sandbox: enabled 2019/12/04 08:12:31 namespace sandbox: enabled 2019/12/04 08:12:31 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/04 08:12:31 fault injection: enabled 2019/12/04 08:12:31 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/04 08:12:31 net packet injection: enabled 2019/12/04 08:12:31 net device setup: enabled 2019/12/04 08:12:31 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/04 08:12:31 devlink PCI setup: PCI device 0000:00:10.0 is not available 08:12:32 executing program 0: r0 = openat$rdma_cm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/infiniband/rdma_cm\x00', 0x2, 0x0) bpf$MAP_CREATE(0x2, &(0x7f0000000080)={0x10, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x2}, 0xfffffffffffffd0a) writev(r0, &(0x7f00000000c0)=[{&(0x7f0000000080), 0xfffffebe}], 0x1) 08:12:33 executing program 1: r0 = socket$inet6(0xa, 0x80003, 0xff) ioctl(r0, 0x1000008912, &(0x7f0000000080)="0800b5055e0bcfe87b2071") r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000040)={0x18, 0x0, {0x6, @empty, 'bond0\x00\x00\x00\x00\x06\x00\x00\b\x00'}}, 0x1e) r2 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f0000000080)={'lo\x00', 0x0}) ioctl$sock_SIOCGIFINDEX(r2, 0x8937, &(0x7f0000000100)={'bond0\x00', r3}) syzkaller login: [ 59.433371][ T8354] IPVS: ftp: loaded support on port[0] = 21 [ 59.490046][ T8356] IPVS: ftp: loaded support on port[0] = 21 08:12:33 executing program 2: clone(0x22a07000, &(0x7f0000000380), &(0x7f0000000040), 0x0, 0x0) [ 59.636429][ T8354] chnl_net:caif_netlink_parms(): no params data found [ 59.668799][ T8356] chnl_net:caif_netlink_parms(): no params data found [ 59.735639][ T8354] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.743816][ T8354] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.752365][ T8354] device bridge_slave_0 entered promiscuous mode [ 59.768818][ T8356] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.776944][ T8356] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.785231][ T8356] device bridge_slave_0 entered promiscuous mode [ 59.792873][ T8354] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.800859][ T8354] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.809152][ T8354] device bridge_slave_1 entered promiscuous mode [ 59.817386][ T8356] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.825016][ T8356] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.832996][ T8356] device bridge_slave_1 entered promiscuous mode [ 59.871398][ T8354] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.883624][ T8356] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.895802][ T8354] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.908667][ T8356] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.931935][ T8354] team0: Port device team_slave_0 added [ 59.940407][ T8354] team0: Port device team_slave_1 added [ 59.967313][ T8360] IPVS: ftp: loaded support on port[0] = 21 [ 59.981284][ T8356] team0: Port device team_slave_0 added 08:12:33 executing program 3: r0 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r0, &(0x7f0000f56000)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000000)={0x2, 0x3, 0x0, 0x0, 0xf, 0x0, 0x0, 0x0, [@sadb_address={0x5, 0x7, 0x0, 0x0, 0x0, @in6={0xa, 0x0, 0x0, @mcast2}}, @sadb_address={0x3, 0x6, 0x0, 0x0, 0x0, @in={0x2, 0x0, @multicast1}}, @sadb_sa={0x2}, @sadb_address={0x3, 0x5, 0x0, 0x0, 0x0, @in={0x2, 0x0, @multicast1}}]}, 0x78}}, 0x0) [ 60.027791][ T8354] device hsr_slave_0 entered promiscuous mode [ 60.056886][ T8354] device hsr_slave_1 entered promiscuous mode [ 60.098497][ T8356] team0: Port device team_slave_1 added 08:12:34 executing program 4: r0 = perf_event_open(&(0x7f0000000280)={0x1, 0x70, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000200)='cpuacct.usage_sys\x00\xc7\xec\xac\xd9&{\x0f\x96\xad\xd1\x8fl![\x8f\xb9\f\xca\x1d\xc2{\xee\xb7\x03K\x0f\xa6\xaa;\xf6\x89\xf7b^\xa5\xafI\r\xc4\x9f\v\xf2\x1c\xdc\xddp2\xb7\xbb\x1b\xfev\xea\xed\xe0\xaa\xe8\xceR`\xbb\xf2\xed;pC\x19\xbfn\x16\xaa\x199\xfe.Q\xebvB\xd2\x19&l?\x87\x17H\x1f.\xdbA\x1b\xafz\xe3\xdc};*\xec\xfe\xfa\xfb/\x18g\x80y\xfe\x89', 0x26e1, 0x0) close(r0) close(r1) socketpair$tipc(0x1e, 0x1, 0x0, &(0x7f0000000040)) write$cgroup_type(r1, &(0x7f0000000080)='threaded\x00', 0xfffffc61) recvmsg(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000000)=[{&(0x7f0000000300)=""/110, 0x6e}], 0x1}, 0x0) close(r0) [ 60.248008][ T8356] device hsr_slave_0 entered promiscuous mode [ 60.304687][ T8356] device hsr_slave_1 entered promiscuous mode [ 60.356260][ T8356] debugfs: Directory 'hsr0' with parent '/' already present! [ 60.397223][ T8354] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 60.427718][ T8362] IPVS: ftp: loaded support on port[0] = 21 [ 60.462269][ T8354] netdevsim netdevsim0 netdevsim1: renamed from eth1 08:12:34 executing program 5: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) move_pages(0x0, 0x0, 0x0, 0x0, 0x0, 0x0) r0 = socket(0x1e, 0x2, 0x0) setsockopt$packet_tx_ring(r0, 0x10f, 0x87, &(0x7f0000000080)=@req={0x3fc}, 0xff37) r1 = socket(0x1e, 0x4, 0x0) r2 = syz_open_dev$media(&(0x7f0000000000)='/dev/media#\x00', 0xfffffffffffefffd, 0x2) r3 = openat$proc_capi20ncci(0xffffffffffffff9c, &(0x7f0000000240)='/proc/capi/capi20ncci\x00', 0x10001, 0x0) r4 = syz_genetlink_get_family_id$SEG6(&(0x7f0000000100)='SEG6\x00') r5 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r5, 0x0, 0x0) sendmsg$SEG6_CMD_SETHMAC(r5, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f00000020c0)={0x14, r4, 0x1}, 0x14}, 0x1, 0x6c}, 0x0) sendmsg$SEG6_CMD_SET_TUNSRC(r3, &(0x7f0000000340)={&(0x7f0000000280), 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x38, r4, 0x20, 0x70bd27, 0x25dfdbff, {}, [@SEG6_ATTR_DST={0x14, 0x1, @remote}, @SEG6_ATTR_DSTLEN={0x8, 0x2, 0x754}, @SEG6_ATTR_DSTLEN={0x8, 0x2, 0xffffffff}]}, 0x38}, 0x1, 0x0, 0x0, 0x40000}, 0x880) r6 = openat$cachefiles(0xffffffffffffff9c, &(0x7f0000000040)='/dev/cachefiles\x00', 0x101000, 0x0) write$P9_RSTAT(r6, &(0x7f0000000140)={0x62, 0x7d, 0x2, {0x0, 0x5b, 0x6, 0x4, {0xd5166e969fa9b6b8, 0x1, 0x2}, 0x80000, 0x8, 0x10001, 0x2, 0x10, '\x94-[em1self\'wlan0', 0x0, '', 0xc, '/dev/media#\x00', 0xc, '/dev/media#\x00'}}, 0x62) setsockopt$packet_tx_ring(r6, 0x107, 0xd, &(0x7f00000001c0)=@req3={0x2, 0x6, 0x2, 0x52b62c82, 0x4, 0xb1, 0xffffffff}, 0x1c) pidfd_send_signal(r2, 0x9, &(0x7f00000000c0)={0x1e, 0x1, 0x4}, 0x0) setsockopt$packet_tx_ring(r1, 0x10f, 0x87, &(0x7f0000265000)=@req={0x3fc}, 0x10) sendmmsg(r1, &(0x7f0000000a40), 0x8000000000000b0, 0x101d0) [ 60.558118][ T8364] IPVS: ftp: loaded support on port[0] = 21 [ 60.578860][ T8354] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 60.657305][ T8354] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 60.742367][ T8366] IPVS: ftp: loaded support on port[0] = 21 [ 60.763479][ T8360] chnl_net:caif_netlink_parms(): no params data found [ 60.777892][ T8356] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 60.828151][ T8356] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 60.877709][ T8356] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 60.957952][ T8356] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 61.107777][ T8360] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.115680][ T8360] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.123413][ T8360] device bridge_slave_0 entered promiscuous mode [ 61.131548][ T8360] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.138699][ T8360] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.147933][ T8360] device bridge_slave_1 entered promiscuous mode [ 61.169810][ T8360] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.233272][ T8360] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.273155][ T8360] team0: Port device team_slave_0 added [ 61.283092][ T8362] chnl_net:caif_netlink_parms(): no params data found [ 61.327083][ T8360] team0: Port device team_slave_1 added [ 61.400018][ T8362] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.407294][ T8362] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.415813][ T8362] device bridge_slave_0 entered promiscuous mode [ 61.423673][ T8362] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.430831][ T8362] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.438936][ T8362] device bridge_slave_1 entered promiscuous mode [ 61.467682][ T8364] chnl_net:caif_netlink_parms(): no params data found [ 61.479802][ T8366] chnl_net:caif_netlink_parms(): no params data found [ 61.546620][ T8360] device hsr_slave_0 entered promiscuous mode [ 61.604975][ T8360] device hsr_slave_1 entered promiscuous mode [ 61.654725][ T8360] debugfs: Directory 'hsr0' with parent '/' already present! [ 61.677218][ T8362] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.692485][ T8356] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.708619][ T8354] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.727495][ T8362] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.763770][ T8364] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.771915][ T8364] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.780075][ T8364] device bridge_slave_0 entered promiscuous mode [ 61.789086][ T8364] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.796306][ T8364] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.804038][ T8364] device bridge_slave_1 entered promiscuous mode [ 61.831858][ T8362] team0: Port device team_slave_0 added [ 61.838130][ T8366] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.848340][ T8366] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.856291][ T8366] device bridge_slave_0 entered promiscuous mode [ 61.870851][ T3093] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.881213][ T3093] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.894995][ T8354] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.902768][ T8362] team0: Port device team_slave_1 added [ 61.914446][ T8366] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.921514][ T8366] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.929806][ T8366] device bridge_slave_1 entered promiscuous mode [ 61.952164][ T2732] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.963013][ T2732] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.977618][ T8364] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.989525][ T8356] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.999555][ T8366] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 62.009923][ T8360] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 62.076396][ T8360] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 62.117069][ T8360] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 62.178296][ T8364] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 62.189392][ T8366] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 62.210448][ T3093] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 62.219127][ T3093] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 62.228462][ T3093] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.235740][ T3093] bridge0: port 1(bridge_slave_0) entered forwarding state [ 62.244089][ T8360] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 62.303512][ T8366] team0: Port device team_slave_0 added [ 62.357378][ T8362] device hsr_slave_0 entered promiscuous mode [ 62.395654][ T8362] device hsr_slave_1 entered promiscuous mode [ 62.434532][ T8362] debugfs: Directory 'hsr0' with parent '/' already present! [ 62.442226][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 62.451220][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 62.459980][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 62.468685][ T22] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.475896][ T22] bridge0: port 2(bridge_slave_1) entered forwarding state [ 62.492402][ T8364] team0: Port device team_slave_0 added [ 62.505509][ T8366] team0: Port device team_slave_1 added [ 62.522802][ T8364] team0: Port device team_slave_1 added [ 62.548400][ T3093] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 62.557161][ T3093] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 62.565614][ T3093] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.572661][ T3093] bridge0: port 1(bridge_slave_0) entered forwarding state [ 62.580590][ T3093] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 62.589524][ T3093] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 62.597953][ T3093] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.605109][ T3093] bridge0: port 2(bridge_slave_1) entered forwarding state [ 62.612806][ T3093] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 62.622218][ T3093] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 62.630895][ T3093] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 62.639395][ T3093] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 62.648966][ T3093] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 62.657501][ T3093] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 62.666258][ T3093] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 62.674784][ T3093] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 62.682714][ T3093] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 62.713812][ T8354] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 62.729582][ T8354] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 62.797339][ T8364] device hsr_slave_0 entered promiscuous mode [ 62.854920][ T8364] device hsr_slave_1 entered promiscuous mode [ 62.897308][ T8364] debugfs: Directory 'hsr0' with parent '/' already present! [ 62.907645][ T2732] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 62.921109][ T2732] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 62.930417][ T2732] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 62.941601][ T2732] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 62.951301][ T2732] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 63.017334][ T8366] device hsr_slave_0 entered promiscuous mode [ 63.075651][ T8366] device hsr_slave_1 entered promiscuous mode [ 63.114531][ T8366] debugfs: Directory 'hsr0' with parent '/' already present! [ 63.138087][ T8362] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 63.217048][ T8373] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 63.227893][ T8373] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 63.236940][ T8373] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 63.246239][ T8373] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 63.255222][ T8373] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 63.263588][ T8373] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 63.272154][ T8373] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 63.280515][ T8373] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 63.295238][ T8362] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 63.340793][ T8362] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 63.397050][ T8362] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 63.462893][ T8354] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 63.471003][ T8373] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 63.478994][ T8373] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 63.502241][ T8364] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 63.537114][ T8364] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 63.589558][ T8356] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 63.601959][ T8356] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 63.617960][ T8366] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 63.658931][ T8366] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 63.708938][ T8366] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 63.767156][ T8364] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 63.796771][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 63.806736][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 63.851159][ T8360] 8021q: adding VLAN 0 to HW filter on device bond0 [ 63.862028][ T8366] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 63.906929][ T8364] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 63.956697][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 63.964215][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 63.974440][ T8356] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 64.036912][ T8360] 8021q: adding VLAN 0 to HW filter on device team0 [ 64.056799][ T8369] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 64.071600][ T8369] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 64.158079][ T8364] 8021q: adding VLAN 0 to HW filter on device bond0 [ 64.200160][ T3093] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 64.217166][ T3093] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 169.174270][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 169.181110][ C0] rcu: 0-...!: (1 GPs behind) idle=afa/1/0x4000000000000002 softirq=10725/10726 fqs=3 [ 169.190994][ C0] (t=10501 jiffies g=6757 q=458) [ 169.196006][ C0] rcu: rcu_preempt kthread starved for 10496 jiffies! g6757 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=1 [ 169.207261][ C0] rcu: RCU grace-period kthread stack dump: [ 169.213137][ C0] rcu_preempt I29032 10 2 0x80004000 [ 169.219471][ C0] Call Trace: [ 169.222762][ C0] __schedule+0x9a0/0xcc0 [ 169.227099][ C0] schedule+0x181/0x210 [ 169.231243][ C0] schedule_timeout+0x14f/0x240 [ 169.236080][ C0] ? run_local_timers+0x120/0x120 [ 169.241097][ C0] rcu_gp_kthread+0xed8/0x1770 [ 169.245858][ C0] kthread+0x332/0x350 [ 169.249912][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 169.255018][ C0] ? kthread_blkcg+0xe0/0xe0 [ 169.259595][ C0] ret_from_fork+0x24/0x30 [ 169.264056][ C0] NMI backtrace for cpu 0 [ 169.268375][ C0] CPU: 0 PID: 5 Comm: kworker/0:0 Not tainted 5.4.0-syzkaller #0 [ 169.276070][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 169.286120][ C0] Workqueue: ipv6_addrconf addrconf_dad_work [ 169.292081][ C0] Call Trace: [ 169.295352][ C0] [ 169.298203][ C0] dump_stack+0x1fb/0x318 [ 169.302519][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 169.307359][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 169.313500][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 169.319559][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 169.325533][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 169.331409][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 169.336512][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 169.341707][ C0] ? trace_hardirqs_off+0x74/0x80 [ 169.346724][ C0] update_process_times+0x12d/0x180 [ 169.351913][ C0] tick_sched_timer+0x263/0x420 [ 169.356753][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 169.362291][ C0] __hrtimer_run_queues+0x403/0x840 [ 169.367491][ C0] hrtimer_interrupt+0x38c/0xda0 [ 169.372439][ C0] ? debug_smp_processor_id+0x9/0x20 [ 169.377737][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 169.383299][ C0] apic_timer_interrupt+0xf/0x20 [ 169.388236][ C0] [ 169.391174][ C0] RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x50 [ 169.397229][ C0] Code: 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 53 48 89 fb e8 13 00 00 00 48 8b 3d f4 3c cd 07 48 89 de e8 d4 01 3b 00 5b 5d c3 cc <48> 8b 04 24 65 48 8b 0c 25 c0 1d 02 00 65 8b 15 38 84 8b 7e f7 c2 [ 169.416820][ C0] RSP: 0018:ffffc90000cbf8e0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 169.425217][ C0] RAX: 1ffff11012a6a561 RBX: ffffea00024dc7c0 RCX: ffff8880a9d9c140 [ 169.433176][ C0] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea00024dc7c0 [ 169.441136][ C0] RBP: ffffc90000cbf920 R08: dffffc0000000000 R09: fffffbfff120248a [ 169.449104][ C0] R10: fffffbfff120248a R11: 0000000000000000 R12: ffff888095352ba0 [ 169.457066][ C0] R13: dffffc0000000000 R14: 1ffff11012a6a574 R15: ffff88808ce7b968 [ 169.465052][ C0] ? free_thread_stack+0x124/0x590 [ 169.470153][ C0] put_task_stack+0xa3/0x130 [ 169.474731][ C0] finish_task_switch+0x3f1/0x550 [ 169.479752][ C0] __schedule+0x9a8/0xcc0 [ 169.484081][ C0] ? debug_smp_processor_id+0x9/0x20 [ 169.489356][ C0] schedule+0x181/0x210 [ 169.493499][ C0] schedule_preempt_disabled+0x13/0x20 [ 169.498945][ C0] mutex_optimistic_spin+0x445/0x480 [ 169.504223][ C0] __mutex_lock_common+0x2e7/0x2e10 [ 169.509447][ C0] ? rtnl_lock+0x17/0x20 [ 169.513702][ C0] ? process_one_work+0x75d/0x10d0 [ 169.518827][ C0] mutex_lock_nested+0x1b/0x30 [ 169.523584][ C0] rtnl_lock+0x17/0x20 [ 169.527644][ C0] addrconf_dad_work+0x69/0x1c30 [ 169.532620][ C0] ? rcu_read_lock_sched_held+0x10b/0x170 [ 169.538345][ C0] process_one_work+0x7ef/0x10d0 [ 169.543305][ C0] worker_thread+0xc01/0x1630 [ 169.548035][ C0] kthread+0x332/0x350 [ 169.552102][ C0] ? rcu_lock_release+0x30/0x30 [ 169.557054][ C0] ? kthread_blkcg+0xe0/0xe0 [ 169.561669][ C0] ret_from_fork+0x24/0x30