[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 54.509019][ T28] audit: type=1800 audit(1578461415.703:25): pid=8464 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 54.528539][ T28] audit: type=1800 audit(1578461415.713:26): pid=8464 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 54.572359][ T28] audit: type=1800 audit(1578461415.713:27): pid=8464 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 '10.128.10.21' (ECDSA) to the list of known hosts. 2020/01/08 05:30:28 fuzzer started 2020/01/08 05:30:29 dialing manager at 10.128.0.26:35703 2020/01/08 05:30:30 syscalls: 2824 2020/01/08 05:30:30 code coverage: enabled 2020/01/08 05:30:30 comparison tracing: enabled 2020/01/08 05:30:30 extra coverage: enabled 2020/01/08 05:30:30 setuid sandbox: enabled 2020/01/08 05:30:30 namespace sandbox: enabled 2020/01/08 05:30:30 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 05:30:30 fault injection: enabled 2020/01/08 05:30:30 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 05:30:30 net packet injection: enabled 2020/01/08 05:30:30 net device setup: enabled 2020/01/08 05:30:30 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 05:30:30 devlink PCI setup: PCI device 0000:00:10.0 is not available 05:30:31 executing program 0: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup/syz0\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f00000000c0)='cgroup.max.depth\x00', 0x2, 0x0) r2 = openat$cgroup_ro(r0, &(0x7f0000000300)='io.stat\x00', 0x0, 0x0) sendfile(r1, r2, 0x0, 0x4) 05:30:31 executing program 1: perf_event_open(&(0x7f0000000040)={0x2, 0x70, 0xeb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000280)={0x2, 0x4, 0x4, 0x9, 0x400}, 0x3c) mmap(&(0x7f0000ffc000/0x4000)=nil, 0x21, 0x80ffff, 0x11, r0, 0x0) r1 = bpf$MAP_CREATE(0x0, &(0x7f0000000280)={0x2, 0x4, 0x4, 0x9, 0x400}, 0x3c) mmap(&(0x7f0000ffc000/0x4000)=nil, 0x21, 0x0, 0x11, r1, 0x0) syzkaller login: [ 70.027569][ T8634] IPVS: ftp: loaded support on port[0] = 21 [ 70.200958][ T8637] IPVS: ftp: loaded support on port[0] = 21 [ 70.219682][ T8634] chnl_net:caif_netlink_parms(): no params data found 05:30:31 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000008c0)=@newlink={0x44, 0x10, 0x801, 0x0, 0x0, {}, [@IFLA_GROUP={0x8}, @IFLA_VFINFO_LIST={0x1c, 0x16, [{0x18, 0x1, [@IFLA_VF_IB_NODE_GUID={0x14}]}]}]}, 0x44}}, 0x0) [ 70.307562][ T8634] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.315530][ T8634] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.323903][ T8634] device bridge_slave_0 entered promiscuous mode [ 70.373477][ T8634] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.385398][ T8634] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.410427][ T8634] device bridge_slave_1 entered promiscuous mode [ 70.455598][ T8637] chnl_net:caif_netlink_parms(): no params data found [ 70.466649][ T8634] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 70.482201][ T8640] IPVS: ftp: loaded support on port[0] = 21 [ 70.498193][ T8634] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 70.563302][ T8637] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.573164][ T8637] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.581249][ T8637] device bridge_slave_0 entered promiscuous mode [ 70.590636][ T8634] team0: Port device team_slave_0 added 05:30:31 executing program 3: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./file0\x00', 0x0) mount(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='cgroup2\x00', 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) lsetxattr$trusted_overlay_origin(&(0x7f0000000380)='./file0\x00', &(0x7f00000003c0)='trusted.overlay.origin\x00', 0x0, 0x0, 0x0) [ 70.609709][ T8637] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.616848][ T8637] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.641940][ T8637] device bridge_slave_1 entered promiscuous mode [ 70.662180][ T8634] team0: Port device team_slave_1 added [ 70.725381][ T8637] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 70.792318][ T8634] device hsr_slave_0 entered promiscuous mode 05:30:32 executing program 4: perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d, 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) mkdir(&(0x7f0000fd5ff8)='./file0\x00', 0x0) mount(0x0, &(0x7f00000000c0)='./file0\x00', &(0x7f0000000440)='proc\x00', 0x0, 0x0) r0 = open$dir(&(0x7f0000000080)='./file0\x00', 0x0, 0x0) getdents(r0, &(0x7f00000005c0)=""/223, 0xfc61) sendmsg$nl_xfrm(0xffffffffffffffff, 0x0, 0x0) [ 70.841319][ T8634] device hsr_slave_1 entered promiscuous mode [ 70.911496][ T8637] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 70.947055][ T8640] chnl_net:caif_netlink_parms(): no params data found [ 70.955618][ T8643] IPVS: ftp: loaded support on port[0] = 21 [ 71.005875][ T8637] team0: Port device team_slave_0 added [ 71.052091][ T8637] team0: Port device team_slave_1 added [ 71.106231][ T8645] IPVS: ftp: loaded support on port[0] = 21 [ 71.125269][ T8640] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.135991][ T8640] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.144257][ T8640] device bridge_slave_0 entered promiscuous mode 05:30:32 executing program 5: pipe2(&(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) r1 = dup(r0) fcntl$addseals(r1, 0x409, 0x892ce0265df34f90) [ 71.200624][ T8640] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.207719][ T8640] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.219081][ T8640] device bridge_slave_1 entered promiscuous mode [ 71.293423][ T8637] device hsr_slave_0 entered promiscuous mode [ 71.339791][ T8637] device hsr_slave_1 entered promiscuous mode [ 71.399370][ T8637] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 71.407143][ T8637] Cannot create hsr debugfs directory [ 71.429717][ T8634] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 71.497002][ T8634] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 71.575025][ T8634] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 71.632718][ T8634] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 71.692262][ T8640] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 71.723866][ T8647] IPVS: ftp: loaded support on port[0] = 21 [ 71.733838][ T8640] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 71.840782][ T8640] team0: Port device team_slave_0 added [ 71.846937][ T8643] chnl_net:caif_netlink_parms(): no params data found [ 71.861751][ T8645] chnl_net:caif_netlink_parms(): no params data found [ 71.883764][ T8640] team0: Port device team_slave_1 added [ 71.992087][ T8640] device hsr_slave_0 entered promiscuous mode [ 72.039563][ T8640] device hsr_slave_1 entered promiscuous mode [ 72.089329][ T8640] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 72.096947][ T8640] Cannot create hsr debugfs directory [ 72.103272][ T8645] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.110469][ T8645] bridge0: port 1(bridge_slave_0) entered disabled state [ 72.118133][ T8645] device bridge_slave_0 entered promiscuous mode [ 72.144395][ T8645] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.153888][ T8645] bridge0: port 2(bridge_slave_1) entered disabled state [ 72.161805][ T8645] device bridge_slave_1 entered promiscuous mode [ 72.169012][ T8643] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.176338][ T8643] bridge0: port 1(bridge_slave_0) entered disabled state [ 72.184106][ T8643] device bridge_slave_0 entered promiscuous mode [ 72.212075][ T8643] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.219312][ T8643] bridge0: port 2(bridge_slave_1) entered disabled state [ 72.226860][ T8643] device bridge_slave_1 entered promiscuous mode [ 72.278646][ T8637] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 72.322703][ T8645] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 72.335745][ T8645] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 72.346555][ T8643] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 72.358947][ T8643] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 72.378598][ T8637] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 72.428106][ T8643] team0: Port device team_slave_0 added [ 72.440134][ T8643] team0: Port device team_slave_1 added [ 72.445884][ T8637] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 72.525187][ T8637] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 72.611612][ T8645] team0: Port device team_slave_0 added [ 72.617895][ T8647] chnl_net:caif_netlink_parms(): no params data found [ 72.675082][ T8645] team0: Port device team_slave_1 added [ 72.714801][ T8640] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 72.790829][ T8634] 8021q: adding VLAN 0 to HW filter on device bond0 [ 72.821284][ T8645] device hsr_slave_0 entered promiscuous mode [ 72.869583][ T8645] device hsr_slave_1 entered promiscuous mode [ 72.919343][ T8645] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 72.926964][ T8645] Cannot create hsr debugfs directory [ 72.932894][ T8647] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.940239][ T8647] bridge0: port 1(bridge_slave_0) entered disabled state [ 72.947823][ T8647] device bridge_slave_0 entered promiscuous mode [ 72.956033][ T8640] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 73.014497][ T8640] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 73.122175][ T8643] device hsr_slave_0 entered promiscuous mode [ 73.170087][ T8643] device hsr_slave_1 entered promiscuous mode [ 73.209402][ T8643] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 73.217001][ T8643] Cannot create hsr debugfs directory [ 73.232824][ T8647] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.241449][ T8647] bridge0: port 2(bridge_slave_1) entered disabled state [ 73.249666][ T8647] device bridge_slave_1 entered promiscuous mode [ 73.270670][ T8640] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 73.332281][ T8647] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 73.343613][ T8647] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 73.398401][ T8634] 8021q: adding VLAN 0 to HW filter on device team0 [ 73.411748][ T8647] team0: Port device team_slave_0 added [ 73.420566][ T2801] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 73.428873][ T2801] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 73.478415][ T3233] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 73.488042][ T3233] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 73.496723][ T3233] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.503973][ T3233] bridge0: port 1(bridge_slave_0) entered forwarding state [ 73.512265][ T3233] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 73.521249][ T3233] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 73.529619][ T3233] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.536670][ T3233] bridge0: port 2(bridge_slave_1) entered forwarding state [ 73.546055][ T8647] team0: Port device team_slave_1 added [ 73.566952][ T2805] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 73.576452][ T2805] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 73.608428][ T8643] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 73.642511][ T8643] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 73.715162][ T8643] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 73.812134][ T8647] device hsr_slave_0 entered promiscuous mode [ 73.839921][ T8647] device hsr_slave_1 entered promiscuous mode [ 73.880184][ T8647] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 73.887793][ T8647] Cannot create hsr debugfs directory [ 73.903810][ T8643] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 73.944110][ T3035] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 73.971987][ T3233] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 73.981197][ T3233] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 73.989686][ T3233] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 74.004794][ T8637] 8021q: adding VLAN 0 to HW filter on device bond0 [ 74.041091][ T2801] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 74.050384][ T2801] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 74.058692][ T2801] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 74.067501][ T2801] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 74.076437][ T2801] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 74.085140][ T2801] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 74.093059][ T8645] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 74.151829][ T8645] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 74.185813][ T8645] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 74.234696][ T8645] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 74.293866][ T8637] 8021q: adding VLAN 0 to HW filter on device team0 [ 74.314366][ T8640] 8021q: adding VLAN 0 to HW filter on device bond0 [ 74.321761][ T3233] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 74.330602][ T3233] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 74.340183][ T8634] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 74.383997][ T3035] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 74.394358][ T3035] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 74.403366][ T3035] bridge0: port 1(bridge_slave_0) entered blocking state [ 74.410480][ T3035] bridge0: port 1(bridge_slave_0) entered forwarding state [ 74.418356][ T3035] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 74.433593][ T8640] 8021q: adding VLAN 0 to HW filter on device team0 [ 74.467585][ T3233] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 74.476287][ T3233] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 74.484501][ T3233] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 74.492123][ T3233] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 74.532361][ T2804] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 74.544552][ T2804] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 74.553775][ T2804] bridge0: port 1(bridge_slave_0) entered blocking state [ 74.560874][ T2804] bridge0: port 1(bridge_slave_0) entered forwarding state [ 74.570019][ T2804] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 74.578491][ T2804] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 74.587066][ T2804] bridge0: port 2(bridge_slave_1) entered blocking state [ 74.594233][ T2804] bridge0: port 2(bridge_slave_1) entered forwarding state [ 74.602203][ T2804] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 74.611379][ T2804] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 74.619956][ T2804] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 74.628390][ T2804] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 74.636795][ T2804] bridge0: port 2(bridge_slave_1) entered blocking state [ 74.643850][ T2804] bridge0: port 2(bridge_slave_1) entered forwarding state [ 74.651797][ T2804] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 74.660299][ T2804] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 74.668888][ T2804] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 74.676940][ T2804] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 74.693705][ T8647] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 74.724248][ T8647] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 74.761351][ T8647] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 74.812790][ T8647] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 74.882454][ T8637] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 74.893045][ T8637] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 74.911723][ T8634] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 74.929826][ T3233] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 74.938310][ T3233] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 74.947197][ T3233] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 74.956133][ T3233] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 74.965224][ T3233] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 74.973925][ T3233] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 74.982558][ T3233] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 74.990889][ T3233] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 74.999815][ T3233] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 75.008037][ T3233] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 75.016573][ T3233] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 75.025247][ T3233] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 75.033735][ T3233] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 75.042085][ T3233] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 75.051478][ T3233] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 75.059465][ T3233] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 75.076317][ T8640] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 75.087456][ T8640] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 75.122448][ T8643] 8021q: adding VLAN 0 to HW filter on device bond0 [ 75.132611][ T2804] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 75.141856][ T2804] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 75.165752][ T8637] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 75.177133][ T8645] 8021q: adding VLAN 0 to HW filter on device bond0 [ 75.195222][ T2801] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 75.203513][ T2801] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 75.222060][ T8640] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 75.246525][ T8643] 8021q: adding VLAN 0 to HW filter on device team0 [ 75.254002][ T2804] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 75.263690][ T2804] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 75.271415][ T2804] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 75.280510][ T2804] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 75.289079][ T2804] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 75.296934][ T2804] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 75.311248][ T8645] 8021q: adding VLAN 0 to HW filter on device team0 [ 75.337401][ T8634] device veth0_vlan entered promiscuous mode [ 75.350469][ T2804] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 75.358173][ T2804] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 75.366700][ T2804] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 75.375239][ T2804] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 75.384146][ T2804] bridge0: port 1(bridge_slave_0) entered blocking state [ 75.391242][ T2804] bridge0: port 1(bridge_slave_0) entered forwarding state [ 75.398846][ T2804] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 75.407350][ T2804] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 75.415979][ T2804] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 75.424678][ T2804] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 75.446126][ T8634] device veth1_vlan entered promiscuous mode [ 75.468872][ T8640] device veth0_vlan entered promiscuous mode [ 75.476453][ T2804] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 75.485111][ T2804] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 75.493786][ T2804] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 75.501816][ T2804] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 75.510227][ T2804] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 75.518703][ T2804] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 75.527312][ T2804] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 75.536062][ T2804] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 75.544505][ T2804] bridge0: port 2(bridge_slave_1) entered blocking state [ 75.551552][ T2804] bridge0: port 2(bridge_slave_1) entered forwarding state [ 75.559054][ T2804] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 75.568307][ T2804] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 75.577067][ T2804] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 75.585553][ T2804] bridge0: port 1(bridge_slave_0) entered blocking state [ 75.592672][ T2804] bridge0: port 1(bridge_slave_0) entered forwarding state [ 75.600510][ T2804] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 75.608981][ T2804] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 75.617383][ T2804] bridge0: port 2(bridge_slave_1) entered blocking state [ 75.624447][ T2804] bridge0: port 2(bridge_slave_1) entered forwarding state [ 75.632531][ T2804] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 75.640993][ T2804] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 75.651488][ T2804] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 75.659840][ T2804] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 75.667403][ T2804] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 75.685932][ T8640] device veth1_vlan entered promiscuous mode [ 75.706945][ T3035] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 75.715331][ T3035] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 75.724378][ T3035] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 75.733388][ T3035] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 75.742496][ T3035] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 75.751371][ T3035] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 75.760113][ T3035] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 75.768829][ T3035] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 75.776762][ T3035] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 75.799655][ T2801] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 75.807780][ T2801] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 75.818173][ T2801] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 75.826614][ T2801] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 75.835397][ T2801] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 75.844163][ T2801] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 75.852597][ T2801] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 75.861048][ T2801] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 75.869147][ T2801] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 75.877841][ T2801] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 75.888271][ T8637] device veth0_vlan entered promiscuous mode [ 75.915895][ T8647] 8021q: adding VLAN 0 to HW filter on device bond0 [ 75.936326][ T2801] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 75.945348][ T2801] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 75.954032][ T2801] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 75.962974][ T2801] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 75.971894][ T2801] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 75.980405][ T2801] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 75.989615][ T2801] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 76.002471][ T8637] device veth1_vlan entered promiscuous mode [ 76.018734][ T8647] 8021q: adding VLAN 0 to HW filter on device team0 [ 181.079169][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 181.085950][ C0] rcu: 0-...!: (1 GPs behind) idle=cd2/1/0x4000000000000002 softirq=14077/14079 fqs=38 [ 181.096134][ C0] (t=10501 jiffies g=6977 q=145) [ 181.101162][ C0] rcu: rcu_preempt kthread starved for 10426 jiffies! g6977 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=1 [ 181.112425][ C0] rcu: RCU grace-period kthread stack dump: [ 181.118302][ C0] rcu_preempt I28984 10 2 0x80004000 [ 181.124762][ C0] Call Trace: [ 181.128184][ C0] __schedule+0x9a0/0xcc0 [ 181.132520][ C0] schedule+0x181/0x210 [ 181.136669][ C0] schedule_timeout+0x14f/0x240 [ 181.141512][ C0] ? run_local_timers+0x120/0x120 [ 181.146549][ C0] rcu_gp_kthread+0xed8/0x1770 [ 181.151341][ C0] kthread+0x332/0x350 [ 181.155429][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 181.160532][ C0] ? kthread_blkcg+0xe0/0xe0 [ 181.165127][ C0] ret_from_fork+0x24/0x30 [ 181.169592][ C0] NMI backtrace for cpu 0 [ 181.173914][ C0] CPU: 0 PID: 2804 Comm: kworker/0:52 Not tainted 5.5.0-rc5-syzkaller #0 [ 181.182444][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 181.192511][ C0] Workqueue: ipv6_addrconf addrconf_dad_work [ 181.198483][ C0] Call Trace: [ 181.201757][ C0] [ 181.204606][ C0] dump_stack+0x1fb/0x318 [ 181.208937][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 181.213780][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 181.219929][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 181.225988][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 181.231964][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 181.237846][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 181.242960][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 181.248159][ C0] ? trace_hardirqs_off+0x74/0x80 [ 181.253182][ C0] update_process_times+0x12d/0x180 [ 181.258380][ C0] tick_sched_timer+0x263/0x420 [ 181.263228][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 181.268767][ C0] __hrtimer_run_queues+0x403/0x840 [ 181.273973][ C0] hrtimer_interrupt+0x38c/0xda0 [ 181.278920][ C0] ? debug_smp_processor_id+0x9/0x20 [ 181.284198][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 181.289736][ C0] apic_timer_interrupt+0xf/0x20 [ 181.294659][ C0] [ 181.297590][ C0] RIP: 0010:__memcg_kmem_uncharge+0x6/0x1a0 [ 181.303469][ C0] Code: bf ac 07 00 74 12 48 81 c3 08 02 00 00 48 89 df 4c 89 f6 e8 8c 85 ff ff 5b 41 5e 5d c3 0f 1f 80 00 00 00 00 55 48 89 e5 41 57 <41> 56 41 55 41 54 53 50 89 f3 49 89 fc 48 b8 00 00 00 00 00 fc ff [ 181.323061][ C0] RSP: 0018:ffffc90007e7f8d0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 181.331475][ C0] RAX: ffffffff81489244 RBX: ffffea00021a3880 RCX: ffff88809f364540 [ 181.339451][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea00021a3880 [ 181.347530][ C0] RBP: ffffc90007e7f8d8 R08: 000000000003a728 R09: ffffed101249c6a1 [ 181.355491][ C0] R10: ffffed101249c6a1 R11: 0000000000000000 R12: ffff8880945e65a0 [ 181.363562][ C0] R13: dffffc0000000000 R14: 1ffff110128bccb4 R15: ffff8880924e34f8 [ 181.371558][ C0] ? free_thread_stack+0x124/0x590 [ 181.376662][ C0] free_thread_stack+0x12e/0x590 [ 181.381592][ C0] put_task_stack+0xa3/0x130 [ 181.386173][ C0] finish_task_switch+0x3f1/0x550 [ 181.391201][ C0] __schedule+0x9a8/0xcc0 [ 181.395525][ C0] ? debug_smp_processor_id+0x9/0x20 [ 181.400803][ C0] schedule+0x181/0x210 [ 181.404948][ C0] schedule_preempt_disabled+0x13/0x20 [ 181.410396][ C0] mutex_optimistic_spin+0x445/0x480 [ 181.415674][ C0] __mutex_lock_common+0x2e7/0x2e10 [ 181.420867][ C0] ? rtnl_lock+0x17/0x20 [ 181.425109][ C0] ? process_one_work+0x75d/0x10d0 [ 181.430215][ C0] mutex_lock_nested+0x1b/0x30 [ 181.434975][ C0] rtnl_lock+0x17/0x20 [ 181.439055][ C0] addrconf_dad_work+0x69/0x1c30 [ 181.443985][ C0] ? rcu_read_lock_sched_held+0x10b/0x170 [ 181.449695][ C0] process_one_work+0x7ef/0x10d0 [ 181.454639][ C0] worker_thread+0xc01/0x1630 [ 181.459346][ C0] kthread+0x332/0x350 [ 181.463407][ C0] ? rcu_lock_release+0x30/0x30 [ 181.468776][ C0] ? kthread_blkcg+0xe0/0xe0 [ 181.473364][ C0] ret_from_fork+0x24/0x30