[ 42.355978][ T25] audit: type=1800 audit(1575336177.215:27): pid=7958 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 42.389203][ T25] audit: type=1800 audit(1575336177.225:28): pid=7958 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="ssh" dev="sda1" ino=2417 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. [ 43.016082][ T25] audit: type=1800 audit(1575336177.925:29): pid=7958 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 43.035426][ T25] audit: type=1800 audit(1575336177.925:30): pid=7958 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="rmnologin" dev="sda1" ino=2423 res=0 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.10.13' (ECDSA) to the list of known hosts. 2019/12/03 01:23:08 fuzzer started 2019/12/03 01:23:10 dialing manager at 10.128.0.26:38907 2019/12/03 01:23:10 syscalls: 2697 2019/12/03 01:23:10 code coverage: enabled 2019/12/03 01:23:10 comparison tracing: enabled 2019/12/03 01:23:10 extra coverage: extra coverage is not supported by the kernel 2019/12/03 01:23:10 setuid sandbox: enabled 2019/12/03 01:23:10 namespace sandbox: enabled 2019/12/03 01:23:10 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/03 01:23:10 fault injection: enabled 2019/12/03 01:23:10 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/03 01:23:10 net packet injection: enabled 2019/12/03 01:23:10 net device setup: enabled 2019/12/03 01:23:10 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/03 01:23:10 devlink PCI setup: PCI device 0000:00:10.0 is not available 01:23:11 executing program 0: r0 = socket$inet6_udplite(0xa, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f00000000c0)="06b52600000000007b3071") sendmmsg$inet6(r0, &(0x7f0000005f00)=[{{&(0x7f0000000040)={0xa, 0x4e23, 0x0, @empty}, 0x1c, 0x0}}, {{&(0x7f0000003400)={0xa, 0x4e22, 0x0, @mcast2, 0xfffffffc}, 0x1c, 0x0}}], 0x2, 0x0) 01:23:11 executing program 1: getsockopt$inet_sctp6_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, &(0x7f00000001c0), 0x0) add_key$keyring(&(0x7f0000000980)='keyring\x00', 0x0, 0x0, 0x0, 0x0) getsockopt$inet_sctp6_SCTP_STATUS(0xffffffffffffffff, 0x84, 0x66, &(0x7f00000001c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, {0x0, @in={{0x2, 0x0, @multicast2}}}}, 0x0) sendmsg$TIPC_CMD_SET_NODE_ADDR(0xffffffffffffffff, &(0x7f0000000380)={0x0, 0x0, 0x0}, 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mkdir(&(0x7f00000009c0)='./file1\x00', 0x0) perf_event_open(&(0x7f0000000180)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7, 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) setxattr$system_posix_acl(&(0x7f0000000580)='./file1\x00', &(0x7f00000005c0)='system.posix_acl_default\x00', &(0x7f0000000c40)={{}, {}, [{}, {}], {}, [{}, {}, {}, {}, {0x8, 0x1}]}, 0x5c, 0x0) mount$overlay(0x40000f, &(0x7f0000000000)='./file0\x00', &(0x7f00000000c0)='overlay\x00', 0x0, &(0x7f0000000100)={[{@upperdir={'upperdir', 0x3d, './file0'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@workdir={'workdir', 0x3d, './file1'}, 0x5c}], [], 0xf603000000000000}) mount(0x0, &(0x7f0000000180)='./file0\x00', &(0x7f0000000240)='cgroup2\x00', 0x0, 0x0) membarrier(0x4, 0x0) syzkaller login: [ 56.423670][ T8123] IPVS: ftp: loaded support on port[0] = 21 01:23:11 executing program 2: r0 = syz_open_dev$binderN(&(0x7f0000000100)='/dev/binder#\x00', 0x0, 0x0) ioctl$BINDER_SET_MAX_THREADS(r0, 0x40046205, 0x0) ioctl$BINDER_WRITE_READ(r0, 0xc0306201, &(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, &(0x7f0000000140)="f4"}) clone(0x0, &(0x7f0000000100), 0x0, 0x0, 0x0) [ 56.555004][ T8125] IPVS: ftp: loaded support on port[0] = 21 [ 56.585532][ T8123] chnl_net:caif_netlink_parms(): no params data found [ 56.724239][ T8123] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.732580][ T8123] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.741887][ T8123] device bridge_slave_0 entered promiscuous mode [ 56.769372][ T8129] IPVS: ftp: loaded support on port[0] = 21 [ 56.778682][ T8123] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.786304][ T8123] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.797300][ T8123] device bridge_slave_1 entered promiscuous mode 01:23:11 executing program 3: r0 = socket(0x10, 0x803, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000002c00)=[{{0x0, 0x0, &(0x7f0000000bc0)=[{&(0x7f0000000280)=""/123, 0x7b}, {&(0x7f0000002b40)=""/158, 0x9e}], 0x2}}], 0x1, 0x0, 0x0) process_vm_writev(0x0, 0x0, 0x5, &(0x7f0000000780)=[{&(0x7f00000028c0)=""/224, 0xe0}], 0x1, 0x0) process_vm_writev(0x0, &(0x7f0000000b80)=[{&(0x7f0000000d00)=""/226, 0xe2}], 0x1, 0x0, 0x0, 0x0) sendto(r0, &(0x7f0000cfefee)="120000001200e7ef007b00000000000000a1", 0x12, 0x0, 0x0, 0x0) process_vm_writev(0x0, 0x0, 0x0, &(0x7f0000000700)=[{&(0x7f0000000c00)=""/251, 0xfb}], 0x1, 0x0) sendmsg$TIPC_NL_NET_SET(0xffffffffffffffff, &(0x7f0000000800)={0x0, 0x0, &(0x7f00000007c0)={&(0x7f0000001fc0)=ANY=[@ANYBLOB="40030000", @ANYRES16=0x0, @ANYBLOB="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"], 0x340}}, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = fcntl$dupfd(r1, 0x0, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) recvmmsg(r0, &(0x7f00000037c0)=[{{&(0x7f00000004c0)=@ethernet={0x0, @random}, 0x80, &(0x7f0000000380)=[{&(0x7f0000000040)=""/95, 0x14b}, {&(0x7f00000000c0)=""/85, 0xb}, {&(0x7f0000000fc0)=""/4096, 0x80f}, {&(0x7f0000000400)=""/120, 0x6c}, {&(0x7f0000000480)=""/60, 0x3dd}, {&(0x7f0000000200)=""/77, 0x4d}, {&(0x7f0000000540)=""/154, 0x40d}, {&(0x7f0000000340)=""/22, 0x16}], 0x161, &(0x7f0000000600)=""/191, 0xbf}}], 0x40000000000020a, 0x0, &(0x7f0000003700)={0x77359400}) [ 56.821204][ T8125] chnl_net:caif_netlink_parms(): no params data found [ 56.899888][ T8123] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.935223][ T8123] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.015492][ T8125] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.025280][ T8125] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.034497][ T8125] device bridge_slave_0 entered promiscuous mode [ 57.048149][ T8123] team0: Port device team_slave_0 added 01:23:12 executing program 4: r0 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = fcntl$dupfd(r2, 0x0, r1) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000007240)=@newlink={0x50, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_MASTER={0x8, 0x28, 0x6}, @IFLA_LINKINFO={0x28, 0x12, @veth={{0xc, 0x1, 'veth\x00'}, {0x18, 0x2, @VETH_INFO_PEER={0x14}}}}]}, 0x50}}, 0x0) [ 57.073292][ T8125] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.081161][ T8125] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.091148][ T8125] device bridge_slave_1 entered promiscuous mode [ 57.100694][ T8123] team0: Port device team_slave_1 added [ 57.111574][ T8129] chnl_net:caif_netlink_parms(): no params data found [ 57.181131][ T8132] IPVS: ftp: loaded support on port[0] = 21 [ 57.190031][ T8125] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.248538][ T8123] device hsr_slave_0 entered promiscuous mode [ 57.286221][ T8123] device hsr_slave_1 entered promiscuous mode 01:23:12 executing program 5: sendmsg(0xffffffffffffffff, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f0000000080)="55000000180087154703d4dc1c0080930206000000a84309", 0x434}], 0x1}, 0x0) r0 = socket(0x10, 0x800000000080003, 0x0) sendmmsg$alg(r0, &(0x7f0000000140)=[{0x0, 0xd2efff7f00000000, &(0x7f0000000100), 0xa, &(0x7f0000000100)}], 0x492492492492805, 0x0) [ 57.341030][ T8125] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.372714][ T8134] IPVS: ftp: loaded support on port[0] = 21 [ 57.392523][ T8129] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.416439][ T8129] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.424157][ T8129] device bridge_slave_0 entered promiscuous mode [ 57.455263][ T8125] team0: Port device team_slave_0 added [ 57.466110][ T8125] team0: Port device team_slave_1 added [ 57.479052][ T8129] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.487902][ T8129] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.495736][ T8129] device bridge_slave_1 entered promiscuous mode [ 57.588962][ T8125] device hsr_slave_0 entered promiscuous mode [ 57.626248][ T8125] device hsr_slave_1 entered promiscuous mode [ 57.685967][ T8125] debugfs: Directory 'hsr0' with parent '/' already present! [ 57.714384][ T8123] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 57.780515][ T8123] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 57.839230][ T8129] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.855583][ T8136] IPVS: ftp: loaded support on port[0] = 21 [ 57.878877][ T8123] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 57.928655][ T8129] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.962788][ T8123] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 58.002669][ T8129] team0: Port device team_slave_0 added [ 58.013202][ T8129] team0: Port device team_slave_1 added [ 58.127873][ T8129] device hsr_slave_0 entered promiscuous mode [ 58.166239][ T8129] device hsr_slave_1 entered promiscuous mode [ 58.205945][ T8129] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.220173][ T8125] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 58.278536][ T8125] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 58.318980][ T8125] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 58.378516][ T8125] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 58.464878][ T8134] chnl_net:caif_netlink_parms(): no params data found [ 58.501697][ T8132] chnl_net:caif_netlink_parms(): no params data found [ 58.554519][ T8129] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 58.597149][ T8134] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.604246][ T8134] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.614484][ T8134] device bridge_slave_0 entered promiscuous mode [ 58.622157][ T8134] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.629403][ T8134] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.637197][ T8134] device bridge_slave_1 entered promiscuous mode [ 58.658494][ T8129] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 58.697836][ T8129] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 58.752458][ T8129] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 58.809452][ T8132] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.817368][ T8132] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.824969][ T8132] device bridge_slave_0 entered promiscuous mode [ 58.835128][ T8132] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.842233][ T8132] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.850043][ T8132] device bridge_slave_1 entered promiscuous mode [ 58.883251][ T8134] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.934665][ T8132] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.947137][ T8132] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.958083][ T8134] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.985620][ T8123] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.004360][ T8132] team0: Port device team_slave_0 added [ 59.012634][ T8134] team0: Port device team_slave_0 added [ 59.021095][ T8134] team0: Port device team_slave_1 added [ 59.040581][ T8132] team0: Port device team_slave_1 added [ 59.061926][ T8136] chnl_net:caif_netlink_parms(): no params data found [ 59.128901][ T8132] device hsr_slave_0 entered promiscuous mode [ 59.166288][ T8132] device hsr_slave_1 entered promiscuous mode [ 59.226005][ T8132] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.277628][ T8134] device hsr_slave_0 entered promiscuous mode [ 59.326936][ T8134] device hsr_slave_1 entered promiscuous mode [ 59.356188][ T8134] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.389708][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.401379][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.415479][ T8123] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.428266][ T8136] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.435504][ T8136] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.444226][ T8136] device bridge_slave_0 entered promiscuous mode [ 59.452935][ T8136] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.460044][ T8136] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.468627][ T8136] device bridge_slave_1 entered promiscuous mode [ 59.498757][ T2984] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.507619][ T2984] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.516217][ T2984] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.523499][ T2984] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.531753][ T2984] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.540735][ T2984] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.549123][ T2984] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.556232][ T2984] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.563686][ T2984] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 59.572562][ T2984] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 59.600100][ T8125] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.623217][ T8136] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.634258][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 59.672052][ T8125] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.681171][ T8136] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.690368][ T8132] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 59.737471][ T2984] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 59.746246][ T2984] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.754463][ T2984] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.762788][ T2984] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.770817][ T2984] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 59.779600][ T2984] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.788263][ T2984] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 59.796831][ T2984] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 59.805401][ T2984] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 59.813819][ T8134] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 59.858024][ T8134] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 59.928944][ T8132] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 60.002035][ T8123] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 60.015105][ T8123] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 60.024847][ T2984] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 60.033252][ T2984] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 60.042477][ T8134] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 60.108186][ T8134] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 60.149371][ T8136] team0: Port device team_slave_0 added [ 60.155890][ T8132] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 60.193237][ T8129] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.209264][ T8136] team0: Port device team_slave_1 added [ 60.217584][ T8132] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 60.248904][ T2984] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 60.258396][ T2984] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 60.267035][ T2984] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.274069][ T2984] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.327923][ T8136] device hsr_slave_0 entered promiscuous mode [ 60.377038][ T8136] device hsr_slave_1 entered promiscuous mode [ 60.415984][ T8136] debugfs: Directory 'hsr0' with parent '/' already present! [ 60.424927][ T2984] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 60.437745][ T2984] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 60.448273][ T2984] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 60.456701][ T2984] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.463734][ T2984] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.472049][ T2984] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 60.485543][ T8129] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.502267][ T2984] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.510383][ T2984] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.518301][ T2984] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 60.539670][ T3066] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 60.548693][ T3066] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 60.557695][ T3066] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.564733][ T3066] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.572551][ T3066] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 60.581113][ T3066] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 60.589551][ T3066] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.596615][ T3066] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.604049][ T3066] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 60.635110][ T8139] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 60.645943][ T8139] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 60.654933][ T8139] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 60.665585][ T8139] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 60.674500][ T8139] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 60.683435][ T8139] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 60.692060][ T8139] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 60.700787][ T8139] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 60.710205][ T8139] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 60.718226][ T8139] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 60.745614][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 60.754306][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 60.761903][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 60.772123][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 60.780457][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 60.789096][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 60.812765][ T8134] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.824727][ T8123] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 60.837588][ T8136] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 60.870880][ T8136] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 60.918471][ T8136] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 60.968816][ T8136] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 61.027952][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 61.036938][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 61.045057][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 61.054215][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 61.069970][ T8134] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.091013][ T8129] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 61.104466][ T8129] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 61.114826][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.130113][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.138177][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 61.146762][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 61.166956][ T8125] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 61.195345][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 61.204530][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 61.214391][ T17] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.221519][ T17] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.229808][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 61.246632][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 61.255406][ T17] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.262585][ T17] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.270735][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 61.279823][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 166.265792][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 166.272608][ C0] rcu: 0-...!: (10499 ticks this GP) idle=b86/1/0x4000000000000002 softirq=10241/10241 fqs=39 [ 166.283206][ C0] (t=10500 jiffies g=6273 q=135) [ 166.288225][ C0] rcu: rcu_preempt kthread starved for 10422 jiffies! g6273 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 166.299320][ C0] rcu: RCU grace-period kthread stack dump: [ 166.305208][ C0] rcu_preempt R running task 29032 10 2 0x80004000 [ 166.313109][ C0] Call Trace: [ 166.316392][ C0] __schedule+0x9a0/0xcc0 [ 166.320725][ C0] schedule+0x181/0x210 [ 166.325026][ C0] schedule_timeout+0x14f/0x240 [ 166.329878][ C0] ? run_local_timers+0x120/0x120 [ 166.334910][ C0] rcu_gp_kthread+0xed8/0x1770 [ 166.339936][ C0] kthread+0x332/0x350 [ 166.343995][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 166.349094][ C0] ? kthread_blkcg+0xe0/0xe0 [ 166.353691][ C0] ret_from_fork+0x24/0x30 [ 166.358118][ C0] NMI backtrace for cpu 0 [ 166.362454][ C0] CPU: 0 PID: 7996 Comm: rsyslogd Not tainted 5.4.0-syzkaller #0 [ 166.370508][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 166.380649][ C0] Call Trace: [ 166.383917][ C0] [ 166.386769][ C0] dump_stack+0x1fb/0x318 [ 166.391437][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 166.396718][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 166.403213][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 166.409262][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 166.415685][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 166.421563][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 166.426666][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 166.431861][ C0] ? trace_hardirqs_off+0x74/0x80 [ 166.436875][ C0] update_process_times+0x12d/0x180 [ 166.442075][ C0] tick_sched_timer+0x263/0x420 [ 166.446911][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 166.452443][ C0] __hrtimer_run_queues+0x403/0x840 [ 166.457731][ C0] hrtimer_interrupt+0x38c/0xda0 [ 166.462673][ C0] ? debug_smp_processor_id+0x9/0x20 [ 166.467947][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 166.473479][ C0] apic_timer_interrupt+0xf/0x20 [ 166.478434][ C0] [ 166.481363][ C0] RIP: 0010:free_thread_stack+0x195/0x590 [ 166.487081][ C0] Code: 2e 00 74 08 4c 89 e7 e8 09 a4 69 00 49 8b 1c 24 48 83 c3 08 48 89 d8 48 c1 e8 03 42 80 3c 28 00 74 08 48 89 df e8 eb a3 69 00 <48> 8b 1b e9 82 ff ff ff e8 de 2c 2e 00 43 80 3c 2e 00 75 18 eb 1e [ 166.506807][ C0] RSP: 0018:ffffc90001a47a60 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 166.515235][ C0] RAX: 1ffff1101218d481 RBX: ffff888090c6a408 RCX: ffff8880a9b48240 [ 166.523206][ C0] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea000286d640 [ 166.531165][ C0] RBP: ffffc90001a47a98 R08: 000000000003a768 R09: ffffed10150bfea7 [ 166.539210][ C0] R10: ffffed10150bfea7 R11: 0000000000000000 R12: ffff888090c6a4a0 [ 166.547164][ C0] R13: dffffc0000000000 R14: 1ffff1101218d494 R15: ffff8880a85ff528 [ 166.555148][ C0] put_task_stack+0xa3/0x130 [ 166.559734][ C0] finish_task_switch+0x3f1/0x550 [ 166.564768][ C0] __schedule+0x9a8/0xcc0 [ 166.569092][ C0] schedule+0x181/0x210 [ 166.573242][ C0] do_syslog+0xdc7/0x1740 [ 166.577564][ C0] ? init_wait_entry+0xe0/0xe0 [ 166.582317][ C0] kmsg_read+0x94/0xd0 [ 166.586372][ C0] ? mmap_vmcore_fault+0x10/0x10 [ 166.591295][ C0] proc_reg_read+0x1e2/0x2d0 [ 166.595875][ C0] ? proc_reg_llseek+0x2c0/0x2c0 [ 166.600800][ C0] __vfs_read+0xb8/0x730 [ 166.605043][ C0] ? security_file_permission+0x23c/0x350 [ 166.610749][ C0] ? rw_verify_area+0x1c2/0x360 [ 166.615589][ C0] vfs_read+0x1dd/0x420 [ 166.619737][ C0] ksys_read+0x117/0x220 [ 166.623970][ C0] __x64_sys_read+0x7b/0x90 [ 166.628459][ C0] do_syscall_64+0xf7/0x1c0 [ 166.632948][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 166.638828][ C0] RIP: 0033:0x7fd52cef51fd [ 166.643231][ C0] Code: d1 20 00 00 75 10 b8 00 00 00 00 0f 05 48 3d 01 f0 ff ff 73 31 c3 48 83 ec 08 e8 5e fa ff ff 48 89 04 24 b8 00 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 a7 fa ff ff 48 89 d0 48 83 c4 08 48 3d 01 [ 166.662921][ C0] RSP: 002b:00007fd52a494e30 EFLAGS: 00000293 ORIG_RAX: 0000000000000000 [ 166.671317][ C0] RAX: ffffffffffffffda RBX: 00000000011c8170 RCX: 00007fd52cef51fd [ 166.679295][ C0] RDX: 0000000000000fff RSI: 00007fd52bcc95a0 RDI: 0000000000000004 [ 166.687349][ C0] RBP: 0000000000000000 R08: 00000000011b3260 R09: 0000000000000000 [ 166.695486][ C0] R10: 322e31362020205b R11: 0000000000000293 R12: 000000000065e420 [ 166.703443][ C0] R13: 00007fd52a4959c0 R14: 00007fd52d53a040 R15: 0000000000000003