Warning: Permanently added '10.128.10.44' (ECDSA) to the list of known hosts. 2020/01/08 08:47:19 fuzzer started 2020/01/08 08:47:21 dialing manager at 10.128.0.26:35703 2020/01/08 08:47:21 syscalls: 2824 2020/01/08 08:47:21 code coverage: enabled 2020/01/08 08:47:21 comparison tracing: enabled 2020/01/08 08:47:21 extra coverage: enabled 2020/01/08 08:47:21 setuid sandbox: enabled 2020/01/08 08:47:21 namespace sandbox: enabled 2020/01/08 08:47:21 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 08:47:21 fault injection: enabled 2020/01/08 08:47:21 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 08:47:21 net packet injection: enabled 2020/01/08 08:47:21 net device setup: enabled 2020/01/08 08:47:21 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 08:47:21 devlink PCI setup: PCI device 0000:00:10.0 is not available 08:47:22 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000040)={'bridge0\x00', 0x0}) sendmsg$nl_route(r0, &(0x7f0000000240)={&(0x7f0000000000), 0xc, &(0x7f0000000200)={&(0x7f0000000180)=@bridge_delneigh={0x28, 0x1c, 0xf07, 0x0, 0x0, {0x7, 0x0, 0x0, r1, 0xc602, 0x4a}, [@NDA_LLADDR={0xa, 0x2, @local}]}, 0x28}}, 0x0) 08:47:22 executing program 1: r0 = socket$inet6(0xa, 0x400000000001, 0x0) close(r0) r1 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r1, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r1, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) r2 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(r1, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x10}, 0xc) ftruncate(r2, 0x200004) sendfile(r0, r2, 0x0, 0x80001d00c0d0) syzkaller login: [ 69.706568][ T8598] IPVS: ftp: loaded support on port[0] = 21 [ 69.851356][ T8598] chnl_net:caif_netlink_parms(): no params data found [ 69.894992][ T8598] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.903991][ T8598] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.912152][ T8598] device bridge_slave_0 entered promiscuous mode [ 69.922686][ T8598] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.930427][ T8598] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.938194][ T8598] device bridge_slave_1 entered promiscuous mode [ 69.957930][ T8601] IPVS: ftp: loaded support on port[0] = 21 [ 69.964453][ T8598] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 69.976816][ T8598] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link 08:47:22 executing program 2: set_mempolicy(0x3, &(0x7f0000000080)=0x7fff, 0x17) mremap(&(0x7f0000a94000/0x2000)=nil, 0x2000, 0x800000, 0x3, &(0x7f0000130000/0x800000)=nil) [ 70.005548][ T8598] team0: Port device team_slave_0 added [ 70.016143][ T8598] team0: Port device team_slave_1 added [ 70.112452][ T8598] device hsr_slave_0 entered promiscuous mode 08:47:22 executing program 3: unshare(0x2000400) r0 = socket$inet_sctp(0x2, 0x1, 0x84) sendto$inet(r0, &(0x7f0000a34fff)='H', 0xffffffffffffff5d, 0x4040540, &(0x7f0000030ff0)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff}}, 0xfffffffffffffef2) [ 70.169950][ T8598] device hsr_slave_1 entered promiscuous mode [ 70.272886][ T8603] IPVS: ftp: loaded support on port[0] = 21 [ 70.365890][ T8601] chnl_net:caif_netlink_parms(): no params data found 08:47:23 executing program 4: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) perf_event_open(&(0x7f000000a000)={0x5, 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, 0x7, @perf_bp={0x0}, 0x8000000200000280, 0x800007f}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(0x0, &(0x7f0000000140)='./file0\x00', &(0x7f0000fb5ffc)='nfs\x00', 0x0, &(0x7f000000a000)) mount(0x0, &(0x7f0000000100)='./file0\x00', &(0x7f0000000180)='rpc_pipefs\x00', 0x0, 0x0) [ 70.464645][ T8606] IPVS: ftp: loaded support on port[0] = 21 [ 70.537830][ T8598] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 70.603353][ T8601] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.620394][ T8601] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.638813][ T8601] device bridge_slave_0 entered promiscuous mode [ 70.648243][ T8601] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.668840][ T8601] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.677655][ T8601] device bridge_slave_1 entered promiscuous mode [ 70.695367][ T8598] netdevsim netdevsim0 netdevsim1: renamed from eth1 08:47:23 executing program 5: openat$cgroup_ro(0xffffffffffffffff, &(0x7f0000001fc0)='cgroup.controllers\x00', 0x0, 0x0) setsockopt$inet6_buf(0xffffffffffffffff, 0x29, 0x0, &(0x7f0000002000)="24b38b20d0ef3254115223ef6cf758327575c041e002a8089496079b1b45009349041eca724fdec73fab9b04e4a4a5af1d03000000000000007faa62b9c0d263274f4a010c4f93ef85516b042511f32764171ba9bd278cbe360c22f184073fe215dee02fe37161246323ee9c82c790add905b90a64adab9fef855d72abb637d460fc6fb5a9eec5535b119c9dfbde3f76323a5af634e4235a33d57e226460104ca0dedf1f0e8365cd43d106c41d009976034d6557bf8917cad630598f6e58fd1770012d78aabb64ffffffed00", 0xcc) setsockopt$inet6_MRT6_DEL_MFC_PROXY(0xffffffffffffffff, 0x29, 0xd3, &(0x7f0000002000)={{0xa, 0x0, 0x0, @mcast2}, {0xa, 0x0, 0x0, @loopback}}, 0x5c) setsockopt$inet6_tcp_TCP_REPAIR_WINDOW(0xffffffffffffffff, 0x6, 0x1d, &(0x7f0000002000)={0x0, 0x0, 0x20000007}, 0x13) r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_int(r0, 0x29, 0x40, &(0x7f0000001fde), 0x4) [ 70.772132][ T8598] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 70.830706][ T8598] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 70.881611][ T8603] chnl_net:caif_netlink_parms(): no params data found [ 70.929813][ T8611] IPVS: ftp: loaded support on port[0] = 21 [ 70.940662][ T8609] IPVS: ftp: loaded support on port[0] = 21 [ 70.948326][ T8601] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 70.983211][ T8601] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 70.994209][ T8603] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.001637][ T8603] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.009524][ T8603] device bridge_slave_0 entered promiscuous mode [ 71.038968][ T8603] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.046044][ T8603] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.054988][ T8603] device bridge_slave_1 entered promiscuous mode [ 71.084540][ T8601] team0: Port device team_slave_0 added [ 71.109078][ T8603] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 71.121394][ T8601] team0: Port device team_slave_1 added [ 71.140539][ T8603] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 71.241357][ T8601] device hsr_slave_0 entered promiscuous mode [ 71.279036][ T8601] device hsr_slave_1 entered promiscuous mode [ 71.328815][ T8601] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 71.336514][ T8601] Cannot create hsr debugfs directory [ 71.363644][ T8606] chnl_net:caif_netlink_parms(): no params data found [ 71.395018][ T8603] team0: Port device team_slave_0 added [ 71.426026][ T8606] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.433517][ T8606] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.441727][ T8606] device bridge_slave_0 entered promiscuous mode [ 71.451210][ T8603] team0: Port device team_slave_1 added [ 71.456950][ T8606] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.464161][ T8606] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.472041][ T8606] device bridge_slave_1 entered promiscuous mode [ 71.507478][ T8606] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 71.517420][ T8609] chnl_net:caif_netlink_parms(): no params data found [ 71.545627][ T8606] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 71.598786][ T8609] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.606030][ T8609] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.613736][ T8609] device bridge_slave_0 entered promiscuous mode [ 71.672842][ T8603] device hsr_slave_0 entered promiscuous mode [ 71.739070][ T8603] device hsr_slave_1 entered promiscuous mode [ 71.788839][ T8603] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 71.796417][ T8603] Cannot create hsr debugfs directory [ 71.812455][ T8611] chnl_net:caif_netlink_parms(): no params data found [ 71.823703][ T8609] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.832034][ T8609] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.839885][ T8609] device bridge_slave_1 entered promiscuous mode [ 71.863965][ T8606] team0: Port device team_slave_0 added [ 71.899181][ T8606] team0: Port device team_slave_1 added [ 71.909506][ T8609] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 71.938363][ T8609] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 71.977316][ T8598] 8021q: adding VLAN 0 to HW filter on device bond0 [ 72.021083][ T8606] device hsr_slave_0 entered promiscuous mode [ 72.069040][ T8606] device hsr_slave_1 entered promiscuous mode [ 72.118949][ T8606] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 72.126539][ T8606] Cannot create hsr debugfs directory [ 72.141315][ T8609] team0: Port device team_slave_0 added [ 72.150553][ T8611] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.157623][ T8611] bridge0: port 1(bridge_slave_0) entered disabled state [ 72.168460][ T8611] device bridge_slave_0 entered promiscuous mode [ 72.177228][ T8611] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.184431][ T8611] bridge0: port 2(bridge_slave_1) entered disabled state [ 72.192186][ T8611] device bridge_slave_1 entered promiscuous mode [ 72.207574][ T8609] team0: Port device team_slave_1 added [ 72.221915][ T8601] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 72.278044][ T8601] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 72.325779][ T8601] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 72.373061][ T8601] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 72.420732][ T3171] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 72.429619][ T3171] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 72.439643][ T8598] 8021q: adding VLAN 0 to HW filter on device team0 [ 72.463370][ T8611] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 72.520911][ T8609] device hsr_slave_0 entered promiscuous mode [ 72.569036][ T8609] device hsr_slave_1 entered promiscuous mode [ 72.598887][ T8609] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 72.606454][ T8609] Cannot create hsr debugfs directory [ 72.614994][ T8611] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 72.628234][ T2817] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 72.637672][ T2817] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 72.646153][ T2817] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.653389][ T2817] bridge0: port 1(bridge_slave_0) entered forwarding state [ 72.662485][ T2817] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 72.671216][ T2817] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 72.679972][ T2817] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.687010][ T2817] bridge0: port 2(bridge_slave_1) entered forwarding state [ 72.694615][ T2817] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 72.726869][ T8603] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 72.772957][ T8603] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 72.842641][ T2817] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 72.868253][ T8611] team0: Port device team_slave_0 added [ 72.874202][ T8603] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 72.900747][ T8603] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 72.959578][ T3229] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 72.968180][ T3229] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 72.976926][ T3229] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 72.990317][ T8611] team0: Port device team_slave_1 added [ 73.027313][ T8598] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 73.039100][ T8598] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 73.055121][ T3229] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 73.063485][ T3229] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 73.071958][ T3229] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 73.080356][ T3229] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 73.088581][ T3229] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 73.097275][ T3229] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 73.105625][ T3229] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 73.113934][ T3229] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 73.171542][ T8611] device hsr_slave_0 entered promiscuous mode [ 73.209279][ T8611] device hsr_slave_1 entered promiscuous mode [ 73.248979][ T8611] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 73.256562][ T8611] Cannot create hsr debugfs directory [ 73.352758][ T8606] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 73.390956][ T8606] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 73.431682][ T8606] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 73.484144][ T8606] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 73.543790][ T2817] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 73.551697][ T2817] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 73.564132][ T8598] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 73.574022][ T8601] 8021q: adding VLAN 0 to HW filter on device bond0 [ 73.611139][ T2817] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 73.620155][ T2817] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 73.632268][ T8601] 8021q: adding VLAN 0 to HW filter on device team0 [ 73.644823][ T8609] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 73.691498][ T8609] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 73.756766][ T8609] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 73.802217][ T8609] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 73.888632][ T3171] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 73.897826][ T3171] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 73.906448][ T3171] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.913534][ T3171] bridge0: port 1(bridge_slave_0) entered forwarding state [ 73.921350][ T3171] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 73.929991][ T3171] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 73.938210][ T3171] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.945285][ T3171] bridge0: port 2(bridge_slave_1) entered forwarding state [ 73.953304][ T3171] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 73.977768][ T8598] device veth0_vlan entered promiscuous mode [ 73.985608][ T8611] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 74.031864][ T8611] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 74.082299][ T8611] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 74.130712][ T3171] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 74.139484][ T3171] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 74.147909][ T3171] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 74.157489][ T3171] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 74.165632][ T3171] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 74.185587][ T8598] device veth1_vlan entered promiscuous mode [ 74.202217][ T8611] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 74.274642][ T3171] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 74.283920][ T3171] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 74.292032][ T3171] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 74.300887][ T3171] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 74.310477][ T3171] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 74.319248][ T3171] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 74.327629][ T3171] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 74.337741][ T3171] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 74.380853][ T2798] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 74.389996][ T2798] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 74.400046][ T2798] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 74.408231][ T2798] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 74.440023][ T8601] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 74.495847][ T8606] 8021q: adding VLAN 0 to HW filter on device bond0 [ 74.506253][ T8609] 8021q: adding VLAN 0 to HW filter on device bond0 [ 74.522374][ T8601] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 74.546256][ T8603] 8021q: adding VLAN 0 to HW filter on device bond0 [ 74.565603][ T2817] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 74.575772][ T2817] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 74.589583][ T2817] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 74.598197][ T2817] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 74.622079][ T2817] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 74.634109][ T2817] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 74.647646][ T8617] bridge: RTM_NEWNEIGH bridge0 without NUD_PERMANENT [ 74.663862][ T8618] bridge: RTM_NEWNEIGH bridge0 without NUD_PERMANENT [ 179.588668][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 179.595500][ C0] rcu: 0-...!: (10499 ticks this GP) idle=36e/1/0x4000000000000002 softirq=13854/13854 fqs=4 [ 179.605983][ C0] (t=10500 jiffies g=6765 q=102) [ 179.611003][ C0] rcu: rcu_preempt kthread starved for 10492 jiffies! g6765 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 179.622094][ C0] rcu: RCU grace-period kthread stack dump: [ 179.627983][ C0] rcu_preempt R running task 29032 10 2 0x80004000 [ 179.635879][ C0] Call Trace: [ 179.639176][ C0] __schedule+0x9a0/0xcc0 [ 179.643521][ C0] schedule+0x181/0x210 [ 179.647677][ C0] schedule_timeout+0x14f/0x240 [ 179.652524][ C0] ? run_local_timers+0x120/0x120 [ 179.657551][ C0] rcu_gp_kthread+0xed8/0x1770 [ 179.662423][ C0] kthread+0x332/0x350 [ 179.666501][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 179.671725][ C0] ? kthread_blkcg+0xe0/0xe0 [ 179.676310][ C0] ret_from_fork+0x24/0x30 [ 179.680744][ C0] NMI backtrace for cpu 0 [ 179.685068][ C0] CPU: 0 PID: 8287 Comm: udevd Not tainted 5.5.0-rc5-syzkaller #0 [ 179.692956][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 179.703439][ C0] Call Trace: [ 179.706718][ C0] [ 179.709572][ C0] dump_stack+0x1fb/0x318 [ 179.713908][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 179.718748][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 179.724906][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 179.730971][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 179.736945][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 179.742853][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 179.747960][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 179.753153][ C0] ? trace_hardirqs_off+0x74/0x80 [ 179.758169][ C0] update_process_times+0x12d/0x180 [ 179.763360][ C0] tick_sched_timer+0x263/0x420 [ 179.768198][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 179.773751][ C0] __hrtimer_run_queues+0x403/0x840 [ 179.778957][ C0] hrtimer_interrupt+0x38c/0xda0 [ 179.783905][ C0] ? debug_smp_processor_id+0x9/0x20 [ 179.789181][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 179.794716][ C0] apic_timer_interrupt+0xf/0x20 [ 179.799639][ C0] [ 179.802572][ C0] RIP: 0010:__sanitizer_cov_trace_pc+0x22/0x50 [ 179.808733][ C0] Code: 84 f4 3b 00 5b 5d c3 cc 48 8b 04 24 65 48 8b 0c 25 c0 1d 02 00 65 8b 15 38 5f 8b 7e f7 c2 00 01 1f 00 75 2c 8b 91 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 [ 179.828333][ C0] RSP: 0018:ffffc90006bc7ad8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 179.836734][ C0] RAX: ffffffff814896c6 RBX: ffffea000243df00 RCX: ffff88808c688300 [ 179.844692][ C0] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea000243df00 [ 179.852651][ C0] RBP: ffffc90006bc7b00 R08: 000000000003a728 R09: ffffed1012649ab9 [ 179.860612][ C0] R10: ffffed1012649ab9 R11: 0000000000000000 R12: ffff88808fa6b7a0 [ 179.868590][ C0] R13: dffffc0000000000 R14: 00000000fffffffc R15: ffff88809324d5b8 [ 179.876587][ C0] ? mod_memcg_page_state+0x16/0x190 [ 179.881871][ C0] ? free_thread_stack+0x124/0x590 [ 179.886972][ C0] ? mod_memcg_page_state+0x16/0x190 [ 179.892246][ C0] free_thread_stack+0x168/0x590 [ 179.897180][ C0] put_task_stack+0xa3/0x130 [ 179.901765][ C0] finish_task_switch+0x3f1/0x550 [ 179.906786][ C0] __schedule+0x9a8/0xcc0 [ 179.911115][ C0] schedule+0x181/0x210 [ 179.915263][ C0] schedule_hrtimeout_range_clock+0x3c7/0x510 [ 179.921332][ C0] ? trace_hrtimer_expire_exit+0x2d0/0x2d0 [ 179.927218][ C0] schedule_hrtimeout_range+0x2a/0x40 [ 179.932580][ C0] ep_poll+0xa4d/0xe80 [ 179.936650][ C0] ? do_task_dead+0xc0/0xc0 [ 179.941151][ C0] ? __kasan_check_read+0x11/0x20 [ 179.946171][ C0] do_epoll_wait+0x1ee/0x260 [ 179.950771][ C0] __x64_sys_epoll_wait+0x9a/0xb0 [ 179.955787][ C0] do_syscall_64+0xf7/0x1c0 [ 179.960289][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 179.966171][ C0] RIP: 0033:0x7f9d75892943 [ 179.970579][ C0] Code: 00 31 d2 48 29 c2 64 89 11 48 83 c8 ff eb ea 90 90 90 90 90 90 90 90 83 3d b5 dc 2a 00 00 75 13 49 89 ca b8 e8 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 34 c3 48 83 ec 08 e8 3b c4 00 00 48 89 04 24 [ 179.990171][ C0] RSP: 002b:00007ffc19a1f788 EFLAGS: 00000246 ORIG_RAX: 00000000000000e8 [ 179.998574][ C0] RAX: ffffffffffffffda RBX: 0000000002528250 RCX: 00007f9d75892943 [ 180.006545][ C0] RDX: 0000000000000004 RSI: 00007ffc19a1f850 RDI: 0000000000000007 [ 180.014520][ C0] RBP: 0000000000625500 R08: 00007ffc19a1f770 R09: 00007ffc19a8b0b8 [ 180.022482][ C0] R10: 000000000000ee42 R11: 0000000000000246 R12: 000000000253a270 [ 180.030444][ C0] R13: 00007ffc19a208a7 R14: 0000000000000005 R15: 0000000002528250