[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 51.681117][ T26] audit: type=1800 audit(1578469566.556:25): pid=8496 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 51.700179][ T26] audit: type=1800 audit(1578469566.566:26): pid=8496 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 51.753159][ T26] audit: type=1800 audit(1578469566.566:27): pid=8496 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 '10.128.0.194' (ECDSA) to the list of known hosts. 2020/01/08 07:46:17 fuzzer started 2020/01/08 07:46:19 dialing manager at 10.128.0.26:35703 2020/01/08 07:46:19 syscalls: 2824 2020/01/08 07:46:19 code coverage: enabled 2020/01/08 07:46:19 comparison tracing: enabled 2020/01/08 07:46:19 extra coverage: enabled 2020/01/08 07:46:19 setuid sandbox: enabled 2020/01/08 07:46:19 namespace sandbox: enabled 2020/01/08 07:46:19 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 07:46:19 fault injection: enabled 2020/01/08 07:46:19 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 07:46:19 net packet injection: enabled 2020/01/08 07:46:19 net device setup: enabled 2020/01/08 07:46:19 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 07:46:19 devlink PCI setup: PCI device 0000:00:10.0 is not available 07:46:20 executing program 0: r0 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0xc, 0xe, &(0x7f00000000c0)=ANY=[@ANYBLOB="b702000000000000bfa30000000000000703000000fefff67a0af0fff8ffffef79a4f0ff00000000b7060000ffdfffff2d6405000000000065040400010000000404000001000000b7050000000000006a0a00fe00000000850000000b000000b7000000000000009500000000000000"], &(0x7f0000000340)='GPL\x00'}, 0x48) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = dup2(r1, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000400)={r0, 0x0, 0xe, 0x0, &(0x7f0000000380)="a6833c15ce9573f3ce05d1a282ee", 0x0, 0x57d}, 0x28) 07:46:20 executing program 1: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 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, 0x7fffffff}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = syz_init_net_socket$bt_sco(0x1f, 0x3, 0x6) r1 = dup(r0) accept4$alg(r1, 0x0, 0x0, 0x0) syz_open_dev$loop(0x0, 0x0, 0x0) mprotect(&(0x7f0000128000/0x3000)=nil, 0x3000, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x4000000000008d}, 0x0) sched_setattr(0x0, &(0x7f0000000040)={0x30, 0x2, 0x0, 0x0, 0x5, 0x0, 0x0, 0x4000}, 0x0) r2 = openat$cgroup_ro(0xffffffffffffffff, &(0x7f0000000740)='cgroup.controllers\x00', 0x2761, 0x0) write$cgroup_pid(r2, &(0x7f0000000080), 0xfffffe38) mmap$xdp(&(0x7f0000ffe000/0x1000)=nil, 0x100000, 0x0, 0x10, 0xffffffffffffffff, 0x0) mmap$xdp(&(0x7f0000ffe000/0x1000)=nil, 0x100000, 0x0, 0x52, 0xffffffffffffffff, 0x0) r3 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) getsockname$inet6(r3, &(0x7f00000001c0)={0xa, 0x0, 0x0, @loopback}, &(0x7f0000000200)=0x1c) readv(0xffffffffffffffff, 0x0, 0x0) ioctl$FS_IOC_GET_ENCRYPTION_KEY_STATUS(0xffffffffffffffff, 0xc080661a, &(0x7f0000000100)={{0x2, 0x0, @reserved="c85c9c82ce34fdc4985afe1bbb88e87089d8b63506050d7ec4b3eb57dde30cfd"}}) ioctl$DRM_IOCTL_AGP_ALLOC(0xffffffffffffffff, 0xc0206434, &(0x7f0000000180)={0x1, 0x0, 0x0, 0x3}) syzkaller login: [ 65.931315][ T8662] IPVS: ftp: loaded support on port[0] = 21 [ 66.093259][ T8665] IPVS: ftp: loaded support on port[0] = 21 [ 66.125853][ T8662] chnl_net:caif_netlink_parms(): no params data found 07:46:21 executing program 2: r0 = socket$inet_icmp_raw(0x2, 0x3, 0x1) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) bpf$PROG_LOAD(0x5, &(0x7f00000006c0)={0x8, 0x4, &(0x7f0000346fc8)=@framed={{}, [@alu={0x8000000201a7f19, 0x0, 0x6, 0x2, 0x1, 0x58}]}, &(0x7f0000000040)='GPL\x00', 0x1, 0xfb, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0}, 0x70) [ 66.245185][ T8662] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.252826][ T8662] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.273801][ T8662] device bridge_slave_0 entered promiscuous mode [ 66.307526][ T8662] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.324037][ T8662] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.337226][ T8662] device bridge_slave_1 entered promiscuous mode [ 66.350417][ T8665] chnl_net:caif_netlink_parms(): no params data found [ 66.371481][ T8662] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.386025][ T8668] IPVS: ftp: loaded support on port[0] = 21 [ 66.400123][ T8662] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.441042][ T8662] team0: Port device team_slave_0 added [ 66.461927][ T8662] team0: Port device team_slave_1 added [ 66.476008][ T8665] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.493139][ T8665] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.500688][ T8665] device bridge_slave_0 entered promiscuous mode 07:46:21 executing program 3: r0 = socket(0x10, 0x3, 0x0) setsockopt$netlink_NETLINK_TX_RING(r0, 0x10e, 0xc, &(0x7f0000000000)={0x8}, 0x10) sendmsg$nl_route(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)=@ipv6_getaddr={0x2c, 0x16, 0xb, 0x0, 0x0, {}, [@IFA_CACHEINFO={0x3}]}, 0x2c}}, 0x0) [ 66.536499][ T8665] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.545345][ T8665] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.554564][ T8665] device bridge_slave_1 entered promiscuous mode [ 66.658544][ T8662] device hsr_slave_0 entered promiscuous mode 07:46:21 executing program 4: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 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) r0 = socket(0xa, 0x1, 0x0) setsockopt$IP_VS_SO_SET_STOPDAEMON(0xffffffffffffffff, 0x0, 0x48c, 0x0, 0x0) ioctl(0xffffffffffffffff, 0x8916, 0x0) ioctl$sock_inet_SIOCDELRT(r0, 0x8980, 0x0) [ 66.773371][ T8662] device hsr_slave_1 entered promiscuous mode [ 66.881548][ T8665] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.894224][ T8670] IPVS: ftp: loaded support on port[0] = 21 [ 66.930997][ T8672] IPVS: ftp: loaded support on port[0] = 21 [ 66.939442][ T8665] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.997637][ T8665] team0: Port device team_slave_0 added [ 67.006176][ T8668] chnl_net:caif_netlink_parms(): no params data found [ 67.055932][ T8665] team0: Port device team_slave_1 added 07:46:22 executing program 5: r0 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$EXT4_IOC_SETFLAGS(r0, 0x40086602, &(0x7f0000000040)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) lseek(r1, 0x7ffffc, 0x0) write$binfmt_elf64(r1, &(0x7f0000000000)=ANY=[@ANYRESDEC], 0xfd14) fallocate(r1, 0x100000003, 0x0, 0x28120001) fallocate(r0, 0x100000003, 0x0, 0x28120001) [ 67.155550][ T8665] device hsr_slave_0 entered promiscuous mode [ 67.193424][ T8665] device hsr_slave_1 entered promiscuous mode [ 67.253445][ T8665] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 67.261151][ T8665] Cannot create hsr debugfs directory [ 67.319140][ T8675] IPVS: ftp: loaded support on port[0] = 21 [ 67.336564][ T8668] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.344102][ T8668] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.351853][ T8668] device bridge_slave_0 entered promiscuous mode [ 67.362148][ T8668] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.369275][ T8668] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.377818][ T8668] device bridge_slave_1 entered promiscuous mode [ 67.385254][ T8662] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 67.437291][ T8662] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 67.521695][ T8672] chnl_net:caif_netlink_parms(): no params data found [ 67.551477][ T8662] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 67.595385][ T8662] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 67.691248][ T8672] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.700584][ T8672] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.709053][ T8672] device bridge_slave_0 entered promiscuous mode [ 67.718388][ T8672] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.725901][ T8672] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.733783][ T8672] device bridge_slave_1 entered promiscuous mode [ 67.760739][ T8668] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.772968][ T8668] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.790462][ T8672] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.803812][ T8672] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.836749][ T8668] team0: Port device team_slave_0 added [ 67.855033][ T8670] chnl_net:caif_netlink_parms(): no params data found [ 67.868899][ T8668] team0: Port device team_slave_1 added [ 67.888699][ T8672] team0: Port device team_slave_0 added [ 67.935186][ T8668] device hsr_slave_0 entered promiscuous mode [ 67.973532][ T8668] device hsr_slave_1 entered promiscuous mode [ 68.013220][ T8668] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 68.020840][ T8668] Cannot create hsr debugfs directory [ 68.036398][ T8672] team0: Port device team_slave_1 added [ 68.094004][ T8665] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 68.204840][ T8672] device hsr_slave_0 entered promiscuous mode [ 68.253471][ T8672] device hsr_slave_1 entered promiscuous mode [ 68.303293][ T8672] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 68.311119][ T8672] Cannot create hsr debugfs directory [ 68.326919][ T8665] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 68.371438][ T8670] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.378807][ T8670] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.386696][ T8670] device bridge_slave_0 entered promiscuous mode [ 68.397178][ T8670] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.404325][ T8670] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.411919][ T8670] device bridge_slave_1 entered promiscuous mode [ 68.431069][ T8665] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 68.531595][ T8665] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 68.607875][ T8670] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.619154][ T8670] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 68.634470][ T8675] chnl_net:caif_netlink_parms(): no params data found [ 68.698948][ T8668] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 68.758892][ T8670] team0: Port device team_slave_0 added [ 68.765487][ T8675] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.772697][ T8675] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.780700][ T8675] device bridge_slave_0 entered promiscuous mode [ 68.789547][ T8675] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.797121][ T8675] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.805314][ T8675] device bridge_slave_1 entered promiscuous mode [ 68.817675][ T8668] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 68.879243][ T8668] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 68.927236][ T8670] team0: Port device team_slave_1 added [ 68.956470][ T8675] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.966868][ T8668] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 69.065806][ T8670] device hsr_slave_0 entered promiscuous mode [ 69.103448][ T8670] device hsr_slave_1 entered promiscuous mode [ 69.143185][ T8670] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 69.150801][ T8670] Cannot create hsr debugfs directory [ 69.168470][ T8662] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.177235][ T8675] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 69.220406][ T8675] team0: Port device team_slave_0 added [ 69.229857][ T8675] team0: Port device team_slave_1 added [ 69.295914][ T8675] device hsr_slave_0 entered promiscuous mode [ 69.353793][ T8675] device hsr_slave_1 entered promiscuous mode [ 69.403291][ T8675] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 69.410873][ T8675] Cannot create hsr debugfs directory [ 69.447704][ T8662] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.467315][ T8672] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 69.547435][ T8672] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 69.605753][ T8672] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 69.647338][ T8672] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 69.688781][ T3539] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 69.697566][ T3539] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.705459][ T3539] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 69.714140][ T3539] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.722929][ T3539] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.730153][ T3539] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.738895][ T3539] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 69.765482][ T8670] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 69.808852][ T8670] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 69.882069][ T8670] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 69.924893][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 69.933975][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 69.942355][ T17] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.949844][ T17] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.980665][ T8670] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 70.029248][ T2764] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 70.038129][ T2764] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 70.046922][ T2764] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 70.055393][ T2764] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 70.064788][ T2764] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 70.074301][ T2764] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 70.082912][ T2764] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 70.119221][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 70.128035][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 70.136854][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 70.146154][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 70.156689][ T8662] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 70.168987][ T8665] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.184299][ T8675] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 70.249762][ T8675] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 70.294927][ T8675] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 70.325671][ T8675] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 70.393640][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 70.401974][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 70.412526][ T8665] 8021q: adding VLAN 0 to HW filter on device team0 [ 70.446796][ T8662] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 70.457315][ T3539] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 70.468383][ T3539] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 70.476034][ T3539] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 70.485168][ T3539] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 70.493763][ T3539] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.500812][ T3539] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.509394][ T3539] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 70.520764][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 70.529888][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 70.538813][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.546050][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.580334][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 70.591620][ T8668] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.627235][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 70.636400][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 70.647362][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 70.677655][ T8670] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.694657][ T8668] 8021q: adding VLAN 0 to HW filter on device team0 [ 70.702740][ T8662] device veth0_vlan entered promiscuous mode [ 70.710191][ T3539] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 70.721393][ T3539] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 70.730444][ T3539] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 70.739496][ T3539] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 70.748285][ T3539] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 70.756274][ T3539] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 70.764231][ T3539] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 70.772642][ T3539] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 70.782470][ T3539] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 70.790921][ T3539] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 70.798862][ T3539] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 70.811208][ T8672] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.823679][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 70.831928][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 70.842012][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 70.850521][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 70.874609][ T8675] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.892894][ T8670] 8021q: adding VLAN 0 to HW filter on device team0 [ 70.904791][ T8665] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 70.912564][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 70.922538][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 70.931301][ T2679] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.938435][ T2679] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.946218][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 70.954843][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 70.963283][ T2679] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.970448][ T2679] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.978106][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 70.986978][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 70.994800][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 71.002384][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 71.010206][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 71.018645][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 71.036807][ T8672] 8021q: adding VLAN 0 to HW filter on device team0 [ 71.050968][ T8662] device veth1_vlan entered promiscuous mode [ 71.060442][ T2764] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 71.069587][ T2764] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 71.078221][ T2764] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 71.086598][ T2764] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 71.097987][ T2764] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 71.105767][ T2764] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 71.115224][ T2764] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 71.124932][ T2764] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.132144][ T2764] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.140146][ T2764] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 71.148467][ T2764] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 71.161740][ T8675] 8021q: adding VLAN 0 to HW filter on device team0 [ 71.178502][ T3539] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 71.188297][ T3539] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 71.199825][ T3539] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.207085][ T3539] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.241731][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 71.250897][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 71.259878][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 71.269481][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 71.278179][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 71.287134][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 71.296719][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.303838][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.311666][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 71.320259][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 71.328663][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.335765][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.343390][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 71.352085][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 71.360678][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.367863][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.376041][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 71.385285][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 71.394153][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 71.401884][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 71.411666][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 71.419624][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 71.427918][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 71.457902][ T8672] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 71.470494][ T8672] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 71.486325][ T8668] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 71.504940][ T8668] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 71.516352][ T8665] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 71.535370][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 176.573020][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 176.579838][ C0] rcu: 0-...!: (10499 ticks this GP) idle=ad6/1/0x4000000000000002 softirq=12848/12848 fqs=39 [ 176.590589][ C0] (t=10501 jiffies g=7185 q=83) [ 176.595630][ C0] rcu: rcu_preempt kthread starved for 10424 jiffies! g7185 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 176.606906][ C0] rcu: RCU grace-period kthread stack dump: [ 176.612788][ C0] rcu_preempt R running task 28536 10 2 0x80004000 [ 176.620678][ C0] Call Trace: [ 176.623969][ C0] __schedule+0x9a0/0xcc0 [ 176.628448][ C0] schedule+0x181/0x210 [ 176.632871][ C0] schedule_timeout+0x14f/0x240 [ 176.638173][ C0] ? run_local_timers+0x120/0x120 [ 176.643199][ C0] rcu_gp_kthread+0xed8/0x1770 [ 176.647965][ C0] kthread+0x332/0x350 [ 176.652044][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 176.657145][ C0] ? kthread_blkcg+0xe0/0xe0 [ 176.661740][ C0] ret_from_fork+0x24/0x30 [ 176.666159][ C0] NMI backtrace for cpu 0 [ 176.670566][ C0] CPU: 0 PID: 5 Comm: kworker/0:0 Not tainted 5.5.0-rc5-syzkaller #0 [ 176.678636][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 176.688690][ C0] Workqueue: events linkwatch_event [ 176.693960][ C0] Call Trace: [ 176.697241][ C0] [ 176.700102][ C0] dump_stack+0x1fb/0x318 [ 176.704424][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 176.709278][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 176.715516][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 176.721571][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 176.727717][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 176.733599][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 176.738715][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 176.743913][ C0] ? trace_hardirqs_off+0x74/0x80 [ 176.748931][ C0] update_process_times+0x12d/0x180 [ 176.754120][ C0] tick_sched_timer+0x263/0x420 [ 176.758957][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 176.764495][ C0] __hrtimer_run_queues+0x403/0x840 [ 176.769700][ C0] hrtimer_interrupt+0x38c/0xda0 [ 176.774642][ C0] ? debug_smp_processor_id+0x9/0x20 [ 176.779938][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 176.785494][ C0] apic_timer_interrupt+0xf/0x20 [ 176.790601][ C0] [ 176.793617][ C0] RIP: 0010:__memcg_kmem_uncharge+0x138/0x1a0 [ 176.799957][ C0] Code: 42 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> c3 44 89 e1 80 e1 07 80 c1 03 38 c1 7c 96 4c 89 e7 e8 11 06 fb [ 176.819558][ C0] RSP: 0018:ffffc90000cbf6f0 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 176.827956][ C0] RAX: 0000000000000001 RBX: ffffea0002a19680 RCX: 0000000000000000 [ 176.835921][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea0002a19680 [ 176.844404][ C0] RBP: ffffc90000cbf6f0 R08: dffffc0000000000 R09: fffffbfff124248a [ 176.852365][ C0] R10: fffffbfff124248a R11: 0000000000000000 R12: ffff8880a647e4a0 [ 176.860603][ C0] R13: dffffc0000000000 R14: 1ffff11014c8fc94 R15: ffff8880921d57f8 [ 176.868583][ C0] free_thread_stack+0x12e/0x590 [ 176.873522][ C0] put_task_stack+0xa3/0x130 [ 176.878108][ C0] finish_task_switch+0x3f1/0x550 [ 176.883148][ C0] __schedule+0x9a8/0xcc0 [ 176.887501][ C0] ? ___preempt_schedule+0x16/0x18 [ 176.892717][ C0] preempt_schedule+0xdb/0x120 [ 176.897496][ C0] ___preempt_schedule+0x16/0x18 [ 176.902630][ C0] ? vprintk_emit+0x2fe/0x3a0 [ 176.907309][ C0] ? vprintk_emit+0x368/0x3a0 [ 176.912016][ C0] vprintk_emit+0x36d/0x3a0 [ 176.916521][ C0] vprintk_default+0x28/0x30 [ 176.921109][ C0] vprintk_func+0x158/0x170 [ 176.925625][ C0] printk+0x62/0x8d [ 176.929438][ C0] ? addrconf_notify+0xd37/0x3c90 [ 176.934473][ C0] ? addrconf_notify+0x779/0x3c90 [ 176.939514][ C0] addrconf_notify+0x2c8d/0x3c90 [ 176.944481][ C0] ? lockdep_hardirqs_on+0x3c5/0x7d0 [ 176.949777][ C0] ? __local_bh_enable_ip+0x13a/0x240 [ 176.955153][ C0] ? clusterip_netdev_event+0x48b/0x4a0 [ 176.960711][ C0] ? trace_hardirqs_on+0x74/0x80 [ 176.965672][ C0] ? __local_bh_enable_ip+0x13a/0x240 [ 176.971043][ C0] ? clusterip_netdev_event+0x48b/0x4a0 [ 176.976746][ C0] ? tls_dev_event+0x619/0xc00 [ 176.982244][ C0] ? clusterip_netdev_event+0x48b/0x4a0 [ 176.987789][ C0] ? ip6mr_device_event+0x1ee/0x210 [ 176.993301][ C0] raw_notifier_call_chain+0xec/0x190 [ 176.998692][ C0] netdev_state_change+0x147/0x1f0 [ 177.003797][ C0] linkwatch_do_dev+0x10e/0x160 [ 177.008674][ C0] __linkwatch_run_queue+0x446/0x730 [ 177.013973][ C0] linkwatch_event+0x4c/0x60 [ 177.018563][ C0] process_one_work+0x7ef/0x10d0 [ 177.023508][ C0] worker_thread+0xc01/0x1630 [ 177.028318][ C0] kthread+0x332/0x350 [ 177.032499][ C0] ? rcu_lock_release+0x30/0x30 [ 177.037472][ C0] ? kthread_blkcg+0xe0/0xe0 [ 177.042083][ C0] ret_from_fork+0x24/0x30