[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 52.345722][ T27] audit: type=1800 audit(1578461089.300:25): pid=8302 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 52.386901][ T27] audit: type=1800 audit(1578461089.300:26): pid=8302 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 52.420994][ T27] audit: type=1800 audit(1578461089.300:27): pid=8302 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.1.27' (ECDSA) to the list of known hosts. 2020/01/08 05:25:00 fuzzer started 2020/01/08 05:25:02 dialing manager at 10.128.0.26:35703 2020/01/08 05:25:02 syscalls: 2824 2020/01/08 05:25:02 code coverage: enabled 2020/01/08 05:25:02 comparison tracing: enabled 2020/01/08 05:25:02 extra coverage: enabled 2020/01/08 05:25:02 setuid sandbox: enabled 2020/01/08 05:25:02 namespace sandbox: enabled 2020/01/08 05:25:02 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 05:25:02 fault injection: enabled 2020/01/08 05:25:02 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 05:25:02 net packet injection: enabled 2020/01/08 05:25:02 net device setup: enabled 2020/01/08 05:25:02 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 05:25:02 devlink PCI setup: PCI device 0000:00:10.0 is not available 05:25:03 executing program 0: sendmsg$nl_netfilter(0xffffffffffffffff, &(0x7f0000289000)={0x0, 0x0, &(0x7f0000058000)={&(0x7f000023f000)=ANY=[@ANYBLOB="8400faffffffffffffbc7000ffffffff0000fffc0c00000000000000000000015b659a62290ffc380c2dbfdc5e9f13e1a04810d404fbc3f4c1b4e2bf501fb1bb949869c200f0ffff9f04005e4fcd4dd3050bc1700612dbc3080c91745fa158cf0d70309f7f1969136edfd73294c0356675ffff000044f2a432a15b4ce56aa166b5000d"], 0x83}}, 0x0) r0 = socket$inet6_tcp(0xa, 0x1, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) setsockopt$inet6_tcp_TCP_MD5SIG(r0, 0x6, 0xe, &(0x7f00000000c0)={@in6={{0xa, 0x0, 0x0, @remote}}, 0x0, 0x7}, 0xd8) setsockopt$inet6_tcp_TCP_REPAIR(r0, 0x6, 0x13, &(0x7f0000000000)=0x1, 0x4) setsockopt$inet6_tcp_int(r0, 0x6, 0x2000000000000020, &(0x7f000023f000)=0xa, 0x263) connect$inet6(r0, &(0x7f0000000040)={0xa, 0x0, 0x0, @remote, 0x9}, 0x1c) setsockopt$inet6_tcp_TCP_REPAIR(r0, 0x6, 0x13, &(0x7f0000000080), 0x4c) 05:25:03 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000040)={'ip6gretap0\x00', 0x0}) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000100)=@newlink={0x40, 0x10, 0x1, 0x0, 0x0, {0x0, 0x0, 0x0, r1}, [@IFLA_LINKINFO={0x20, 0x12, @ip6gretap={{0x10, 0x1, 'ip6gretap\x00'}, {0xc, 0x2, [@gre_common_policy=[@IFLA_GRE_ENCAP_SPORT={0x8}]]}}}]}, 0x40}}, 0x0) syzkaller login: [ 66.559299][ T8471] IPVS: ftp: loaded support on port[0] = 21 05:25:03 executing program 2: r0 = memfd_create(&(0x7f00000002c0)='system.snckprotoname\x00', 0x0) mmap(&(0x7f0000001000/0x1000)=nil, 0x1000, 0x4, 0x11, r0, 0x0) write$binfmt_misc(r0, &(0x7f00000000c0)=ANY=[@ANYBLOB="34c775ccefbbc44b0a03a9e45afc4ef1dc671403ff6aa640797ea9cab7e960fdeaef9cd9dfbe93fc6bccc58a45983021e94740c305368b8d23d36b64"], 0x3c) symlink(&(0x7f0000001000)='./file0\x00', &(0x7f0000000080)='./file0\x00') [ 66.732557][ T8471] chnl_net:caif_netlink_parms(): no params data found [ 66.743634][ T8474] IPVS: ftp: loaded support on port[0] = 21 [ 66.839198][ T8471] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.846724][ T8471] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.869793][ T8471] device bridge_slave_0 entered promiscuous mode [ 66.890128][ T8471] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.902826][ T8471] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.911077][ T8471] device bridge_slave_1 entered promiscuous mode [ 66.942987][ T8476] IPVS: ftp: loaded support on port[0] = 21 [ 66.958955][ T8471] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link 05:25:04 executing program 3: pipe(&(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = socket$packet(0x11, 0x3, 0x300) setsockopt$packet_fanout(r2, 0x107, 0x12, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffc}, 0x4) setsockopt$SO_ATTACH_FILTER(r2, 0x1, 0x1a, &(0x7f0000000180)={0x1, &(0x7f00000001c0)=[{0x6, 0x0, 0x0, 0xfff}]}, 0x10) r3 = socket$inet_udp(0x2, 0x2, 0x0) fcntl$setpipe(r1, 0x407, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = dup(r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) write$binfmt_misc(r1, &(0x7f0000000140)=ANY=[], 0x4240a2a0) bind$inet(r3, &(0x7f0000000080)={0x2, 0x0, @local}, 0x10) connect$inet(r3, &(0x7f0000000040)={0x2, 0x0, @multicast1}, 0x10) splice(r0, 0x0, r3, 0x0, 0x30005, 0x0) [ 67.000488][ T8471] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.062419][ T8471] team0: Port device team_slave_0 added [ 67.080472][ T8471] team0: Port device team_slave_1 added [ 67.143696][ T8474] chnl_net:caif_netlink_parms(): no params data found [ 67.219472][ T8471] device hsr_slave_0 entered promiscuous mode 05:25:04 executing program 4: r0 = socket$kcm(0x2b, 0x1, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) bpf$BPF_BTF_LOAD(0x12, &(0x7f0000000280)={&(0x7f0000000000)=ANY=[@ANYBLOB="9feb010018000000000000003400000034000000060000000400000000000081238b670000000002000000010000ffff0400000000000000010000850200000004000000020000000000000100000000da003ed9aed616aa94f92417f9e857d1d45b54da920bfbed77cff360afa7996df6a1309418eec5f97cebdc661626027c1bb39852ffbb5b1884c5"], &(0x7f0000000340)=""/142, 0x52, 0x8e, 0x8}, 0x20) [ 67.277484][ T8471] device hsr_slave_1 entered promiscuous mode [ 67.359101][ T8479] IPVS: ftp: loaded support on port[0] = 21 [ 67.430300][ T8474] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.448727][ T8474] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.461198][ T8474] device bridge_slave_0 entered promiscuous mode [ 67.494362][ T8476] chnl_net:caif_netlink_parms(): no params data found [ 67.514351][ T8474] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.522672][ T8474] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.534260][ T8474] device bridge_slave_1 entered promiscuous mode [ 67.554253][ T8482] IPVS: ftp: loaded support on port[0] = 21 05:25:04 executing program 5: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = fcntl$dupfd(r0, 0x0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) ftruncate(r2, 0x200004) mmap(&(0x7f0000000000/0x600000)=nil, 0x600000, 0x7ffffe, 0x4002011, r2, 0x0) [ 67.640590][ T8474] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.660423][ T8474] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.718804][ T8476] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.725899][ T8476] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.735790][ T8476] device bridge_slave_0 entered promiscuous mode [ 67.764060][ T8476] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.771431][ T8476] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.779609][ T8476] device bridge_slave_1 entered promiscuous mode [ 67.809690][ T8474] team0: Port device team_slave_0 added [ 67.845541][ T8474] team0: Port device team_slave_1 added [ 67.870038][ T8484] IPVS: ftp: loaded support on port[0] = 21 [ 67.894330][ T8476] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.909391][ T8471] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 67.971755][ T8471] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 68.020371][ T8471] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 68.076094][ T8476] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 68.097457][ T8479] chnl_net:caif_netlink_parms(): no params data found [ 68.119249][ T8471] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 68.210013][ T8474] device hsr_slave_0 entered promiscuous mode [ 68.247215][ T8474] device hsr_slave_1 entered promiscuous mode [ 68.287121][ T8474] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 68.294859][ T8474] Cannot create hsr debugfs directory [ 68.331263][ T8476] team0: Port device team_slave_0 added [ 68.342405][ T8482] chnl_net:caif_netlink_parms(): no params data found [ 68.364024][ T8476] team0: Port device team_slave_1 added [ 68.392584][ T8479] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.399782][ T8479] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.407608][ T8479] device bridge_slave_0 entered promiscuous mode [ 68.439300][ T8479] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.446472][ T8479] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.459440][ T8479] device bridge_slave_1 entered promiscuous mode [ 68.529685][ T8476] device hsr_slave_0 entered promiscuous mode [ 68.567189][ T8476] device hsr_slave_1 entered promiscuous mode [ 68.606999][ T8476] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 68.614686][ T8476] Cannot create hsr debugfs directory [ 68.642802][ T8482] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.650767][ T8482] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.658975][ T8482] device bridge_slave_0 entered promiscuous mode [ 68.670143][ T8479] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.684040][ T8479] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 68.713984][ T8482] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.722413][ T8482] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.730158][ T8482] device bridge_slave_1 entered promiscuous mode [ 68.791102][ T8479] team0: Port device team_slave_0 added [ 68.799195][ T8479] team0: Port device team_slave_1 added [ 68.824829][ T8482] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.857362][ T8484] chnl_net:caif_netlink_parms(): no params data found [ 68.865431][ T8474] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 68.919291][ T8474] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 68.965051][ T8482] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 68.992072][ T8482] team0: Port device team_slave_0 added [ 69.006433][ T8482] team0: Port device team_slave_1 added [ 69.012790][ T8474] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 69.139576][ T8479] device hsr_slave_0 entered promiscuous mode [ 69.178624][ T8479] device hsr_slave_1 entered promiscuous mode [ 69.217084][ T8479] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 69.224705][ T8479] Cannot create hsr debugfs directory [ 69.250418][ T8476] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 69.288400][ T8474] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 69.389685][ T8482] device hsr_slave_0 entered promiscuous mode [ 69.447918][ T8482] device hsr_slave_1 entered promiscuous mode [ 69.487055][ T8482] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 69.494640][ T8482] Cannot create hsr debugfs directory [ 69.500441][ T8476] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 69.568999][ T8471] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.575848][ T8484] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.583301][ T8484] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.591705][ T8484] device bridge_slave_0 entered promiscuous mode [ 69.606632][ T8476] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 69.670747][ T8476] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 69.740040][ T8484] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.747946][ T8484] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.755537][ T8484] device bridge_slave_1 entered promiscuous mode [ 69.813321][ T8484] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 69.830555][ T3225] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 69.838738][ T3225] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.849493][ T8471] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.867551][ T8484] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 69.901657][ T3225] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 69.911011][ T3225] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.919783][ T3225] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.926916][ T3225] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.958727][ T3165] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 69.966452][ T3165] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 69.975499][ T3165] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 69.984016][ T3165] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.991131][ T3165] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.000491][ T3165] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 70.009158][ T3165] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 70.017827][ T3165] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 70.026382][ T3165] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 70.037181][ T8484] team0: Port device team_slave_0 added [ 70.047144][ T8484] team0: Port device team_slave_1 added [ 70.084678][ T3227] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 70.119202][ T8484] device hsr_slave_0 entered promiscuous mode [ 70.167317][ T8484] device hsr_slave_1 entered promiscuous mode [ 70.217690][ T8484] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 70.225300][ T8484] Cannot create hsr debugfs directory [ 70.271953][ T3227] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 70.281967][ T3227] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 70.302810][ T8479] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 70.371549][ T8479] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 70.458671][ T8476] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.468143][ T8479] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 70.498445][ T3164] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 70.506782][ T3164] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 70.518489][ T8482] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 70.553930][ T8474] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.561827][ T8479] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 70.605249][ T8482] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 70.669923][ T8482] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 70.728705][ T8482] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 70.770063][ T3165] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 70.778625][ T3165] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 70.790793][ T8471] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 70.819067][ T8476] 8021q: adding VLAN 0 to HW filter on device team0 [ 70.842725][ T3165] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 70.850851][ T3165] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 70.858907][ T3165] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 70.867593][ T3165] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 70.875811][ T3165] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.882887][ T3165] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.890682][ T3165] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 70.898657][ T3165] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 70.911155][ T8474] 8021q: adding VLAN 0 to HW filter on device team0 [ 70.930135][ T3165] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 70.938892][ T3165] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 70.949055][ T3165] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 70.957950][ T3165] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.965041][ T3165] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.973263][ T3165] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 70.982626][ T3165] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 70.991084][ T3165] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.998170][ T3165] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.036373][ T3164] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 71.045004][ T3164] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 71.055799][ T3164] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 71.065311][ T3164] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 71.076393][ T3164] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 71.084257][ T3164] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 71.092924][ T3164] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 71.105614][ T3164] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 71.114116][ T3164] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 71.122489][ T3164] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 71.130771][ T3164] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 71.141783][ T8471] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 71.158477][ T8484] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 71.199364][ T3165] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 71.209126][ T3165] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 71.218011][ T3165] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 71.226237][ T3165] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.233315][ T3165] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.249635][ T8476] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 71.261240][ T8476] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 71.274513][ T8484] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 71.309813][ T8484] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 71.360370][ T3164] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 71.368748][ T3164] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 71.377116][ T3164] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 71.397148][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 71.405779][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 71.414916][ T8484] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 71.481460][ T3164] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 71.491545][ T3164] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 71.500395][ T3164] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 71.530384][ T8471] device veth0_vlan entered promiscuous mode [ 71.539010][ T3227] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 71.546768][ T3227] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 71.554512][ T3227] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 71.562349][ T3227] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 71.572099][ T3227] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 71.580304][ T3227] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 71.589088][ T3227] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 71.602825][ T8476] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 71.613536][ T8479] 8021q: adding VLAN 0 to HW filter on device bond0 [ 71.634715][ T3164] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 71.645172][ T3164] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 71.653133][ T3164] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 71.662281][ T3164] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 71.670751][ T3164] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 71.678402][ T3164] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 71.691294][ T8474] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 71.703151][ T8474] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 71.717365][ T8471] device veth1_vlan entered promiscuous mode [ 71.734098][ T3164] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 71.742392][ T3164] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 71.753462][ T3164] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 71.762844][ T3164] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 71.783385][ T8482] 8021q: adding VLAN 0 to HW filter on device bond0 [ 71.797485][ T8479] 8021q: adding VLAN 0 to HW filter on device team0 [ 71.814812][ T3164] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 71.824279][ T3164] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 71.844032][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 71.852308][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 71.888004][ T8474] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 71.902067][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 71.912068][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 71.921230][ T22] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.928312][ T22] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.935746][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 71.943423][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 71.951155][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 71.959336][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 71.967806][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 71.976182][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 71.984757][ T22] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.991833][ T22] bridge0: port 2(bridge_slave_1) entered forwarding state [ 72.000265][ T8476] device veth0_vlan entered promiscuous mode [ 72.007497][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 72.015298][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 72.022978][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 72.045076][ T8482] 8021q: adding VLAN 0 to HW filter on device team0 [ 72.070513][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 72.091453][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 72.107707][ T2679] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.114769][ T2679] bridge0: port 1(bridge_slave_0) entered forwarding state [ 72.122846][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 72.131478][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 72.140160][ T2679] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.147255][ T2679] bridge0: port 2(bridge_slave_1) entered forwarding state [ 72.155066][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 72.166010][ T8484] 8021q: adding VLAN 0 to HW filter on device bond0 [ 72.202225][ T8482] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 72.212834][ T8482] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 72.245146][ T8482] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 177.096827][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 177.103666][ C0] rcu: 0-...!: (10499 ticks this GP) idle=cfa/1/0x4000000000000002 softirq=14828/14828 fqs=38 [ 177.114241][ C0] (t=10500 jiffies g=6773 q=353) [ 177.119258][ C0] rcu: rcu_preempt kthread starved for 10422 jiffies! g6773 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 177.130379][ C0] rcu: RCU grace-period kthread stack dump: [ 177.136258][ C0] rcu_preempt R running task 28984 10 2 0x80004000 [ 177.144160][ C0] Call Trace: [ 177.147450][ C0] __schedule+0x9a0/0xcc0 [ 177.151786][ C0] schedule+0x181/0x210 [ 177.155932][ C0] schedule_timeout+0x14f/0x240 [ 177.160771][ C0] ? run_local_timers+0x120/0x120 [ 177.165787][ C0] rcu_gp_kthread+0xed8/0x1770 [ 177.170552][ C0] kthread+0x332/0x350 [ 177.174609][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 177.179709][ C0] ? kthread_blkcg+0xe0/0xe0 [ 177.184285][ C0] ret_from_fork+0x24/0x30 [ 177.188702][ C0] NMI backtrace for cpu 0 [ 177.193020][ C0] CPU: 0 PID: 120 Comm: kworker/u4:3 Not tainted 5.5.0-rc5-syzkaller #0 [ 177.201330][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 177.211467][ C0] Workqueue: 0x0 (bat_events) [ 177.216219][ C0] Call Trace: [ 177.219487][ C0] [ 177.222329][ C0] dump_stack+0x1fb/0x318 [ 177.226652][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 177.231516][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 177.237660][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 177.243719][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 177.249691][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 177.255573][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 177.260678][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 177.265868][ C0] ? trace_hardirqs_off+0x74/0x80 [ 177.270885][ C0] update_process_times+0x12d/0x180 [ 177.276070][ C0] tick_sched_timer+0x263/0x420 [ 177.280914][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 177.286459][ C0] __hrtimer_run_queues+0x403/0x840 [ 177.296622][ C0] hrtimer_interrupt+0x38c/0xda0 [ 177.301655][ C0] ? debug_smp_processor_id+0x9/0x20 [ 177.306933][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 177.312496][ C0] apic_timer_interrupt+0xf/0x20 [ 177.317423][ C0] [ 177.320353][ C0] RIP: 0010:__memcg_kmem_uncharge+0x139/0x1a0 [ 177.326419][ C0] Code: 8a 04 28 84 c0 75 3b f6 03 01 75 10 49 83 c7 10 4c 89 ff 48 8b 75 d0 e8 f5 90 00 00 48 83 c4 08 5b 41 5c 41 5d 41 5e 41 5f 5d 44 89 e1 80 e1 07 80 c1 03 38 c1 7c 96 4c 89 e7 e8 11 06 fb ff [ 177.346012][ C0] RSP: 0018:ffffc90001327c28 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 177.354437][ C0] RAX: 0000000000000001 RBX: ffffea00022c1840 RCX: 0000000000000000 [ 177.362400][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea00022c1840 [ 177.370373][ C0] RBP: ffffc90001327c68 R08: 000000000003a728 R09: ffffed1012e38aa1 [ 177.378336][ C0] R10: ffffed1012e38aa1 R11: 0000000000000000 R12: ffff88808bc6a1a0 [ 177.386323][ C0] R13: dffffc0000000000 R14: 1ffff1101178d434 R15: ffff8880971c54f8 [ 177.394321][ C0] ? free_thread_stack+0x12e/0x590 [ 177.399432][ C0] put_task_stack+0xa3/0x130 [ 177.404015][ C0] finish_task_switch+0x3f1/0x550 [ 177.409035][ C0] __schedule+0x9a8/0xcc0 [ 177.413365][ C0] schedule+0x181/0x210 [ 177.417514][ C0] worker_thread+0x10d6/0x1630 [ 177.422289][ C0] kthread+0x332/0x350 [ 177.426347][ C0] ? rcu_lock_release+0x30/0x30 [ 177.431184][ C0] ? kthread_blkcg+0xe0/0xe0 [ 177.435766][ C0] ret_from_fork+0x24/0x30