[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 52.540119][ T23] audit: type=1800 audit(1578462023.426:25): pid=8321 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 52.559063][ T23] audit: type=1800 audit(1578462023.426:26): pid=8321 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 52.605305][ T23] audit: type=1800 audit(1578462023.436:27): pid=8321 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 '10.128.0.227' (ECDSA) to the list of known hosts. 2020/01/08 05:40:34 fuzzer started 2020/01/08 05:40:35 dialing manager at 10.128.0.26:35703 2020/01/08 05:40:35 syscalls: 2824 2020/01/08 05:40:35 code coverage: enabled 2020/01/08 05:40:35 comparison tracing: enabled 2020/01/08 05:40:35 extra coverage: enabled 2020/01/08 05:40:35 setuid sandbox: enabled 2020/01/08 05:40:35 namespace sandbox: enabled 2020/01/08 05:40:35 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 05:40:35 fault injection: enabled 2020/01/08 05:40:35 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 05:40:35 net packet injection: enabled 2020/01/08 05:40:35 net device setup: enabled 2020/01/08 05:40:35 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 05:40:35 devlink PCI setup: PCI device 0000:00:10.0 is not available 05:40:36 executing program 0: mmap(&(0x7f0000000000/0xe7e000)=nil, 0xe7e000, 0x4, 0x32, 0xffffffffffffffff, 0x0) r0 = socket(0x400040000000015, 0x805, 0x0) getsockopt(r0, 0x114, 0x271c, 0x0, &(0x7f0000000000)=0xf0ff7f) 05:40:36 executing program 1: r0 = socket$inet(0x2, 0x80001, 0x84) bind$inet(r0, &(0x7f0000000040)={0x2, 0x4e20, @loopback}, 0x10) sendmsg(r0, &(0x7f00000000c0)={&(0x7f0000000b40)=@in={0x2, 0x4e20, @loopback}, 0x80, &(0x7f00000002c0)=[{&(0x7f0000000200)='a', 0x1}], 0x1}, 0x0) recvmmsg(r0, &(0x7f0000003480)=[{{0x0, 0x0, &(0x7f0000000700)=[{&(0x7f0000000400)=""/172, 0xac}], 0x1}}], 0x1, 0x0, 0x0) syzkaller login: [ 65.363375][ T8489] IPVS: ftp: loaded support on port[0] = 21 [ 65.523716][ T8489] chnl_net:caif_netlink_parms(): no params data found 05:40:36 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup3(r0, r1, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = socket$inet6(0xa, 0x2, 0x0) close(r3) r4 = open(&(0x7f00000000c0)='./bus\x00', 0x800000141042, 0x0) ftruncate(r4, 0x200006) sendfile(r3, r4, 0x0, 0x8000fffffffe) [ 65.576252][ T8492] IPVS: ftp: loaded support on port[0] = 21 [ 65.600012][ T8489] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.615008][ T8489] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.637677][ T8489] device bridge_slave_0 entered promiscuous mode [ 65.670763][ T8489] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.685631][ T8489] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.705694][ T8489] device bridge_slave_1 entered promiscuous mode [ 65.743729][ T8494] IPVS: ftp: loaded support on port[0] = 21 [ 65.751986][ T8489] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.768671][ T8489] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.820425][ T8489] team0: Port device team_slave_0 added [ 65.844229][ T8489] team0: Port device team_slave_1 added [ 65.872572][ T8492] chnl_net:caif_netlink_parms(): no params data found 05:40:36 executing program 3: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mmap(&(0x7f0000ffd000/0x3000)=nil, 0x3000, 0x0, 0x11, r1, 0x0) openat$snapshot(0xffffffffffffff9c, &(0x7f0000000180)='/dev/snapshot\x00', 0x0, 0x0) ioctl$PERF_EVENT_IOC_SET_OUTPUT(r0, 0x2405, r1) ioctl$PERF_EVENT_IOC_SET_OUTPUT(r0, 0x2405, r1) [ 66.008102][ T8489] device hsr_slave_0 entered promiscuous mode 05:40:37 executing program 4: prctl$PR_SET_PTRACER(0x59616d61, 0xffffffffffffffff) gettid() ioctl$TIOCGSID(0xffffffffffffffff, 0x5429, &(0x7f0000000140)) syz_open_dev$vbi(&(0x7f0000000180)='/dev/vbi#\x00', 0x0, 0x2) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000500)='./cgroup/syz0\x00', 0x200002, 0x0) openat$cgroup_ro(r0, &(0x7f0000000240)='cpuset.memory_pressure\x00', 0x0, 0x0) r1 = perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r2 = inotify_init1(0x0) r3 = gettid() fcntl$setown(r2, 0x8, r3) getpid() r4 = gettid() waitid(0x83b895581628fca4, r4, &(0x7f0000000040), 0x2, &(0x7f0000000480)) r5 = gettid() prctl$PR_SET_PTRACER(0x59616d61, r5) r6 = socket$netlink(0x10, 0x3, 0x0) writev(r6, &(0x7f0000000000)=[{&(0x7f0000000080)="390000001000096368fe07072b03003700000a0014000300450201070300001419001a00120002000e00010006000300"/57, 0x39}], 0x1) kcmp(r5, r5, 0x3, 0xffffffffffffffff, r6) ptrace$setopts(0x4206, r5, 0x0, 0x0) bpf$BPF_TASK_FD_QUERY(0x14, &(0x7f00000000c0)={0xffffffffffffffff, r1, 0x0, 0xd, &(0x7f0000000080)='trusted\\#&>#\x00'}, 0x30) bpf$BPF_PROG_GET_FD_BY_ID(0xd, &(0x7f0000000380), 0xfffffffffffffee7) r7 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r7, 0x6, 0x200000000000013, &(0x7f0000000040)=0x480100000001, 0x4) connect$inet6(r7, &(0x7f0000000080), 0x1c) setsockopt$inet6_tcp_TCP_REPAIR_OPTIONS(r7, 0x6, 0x16, &(0x7f0000000440), 0x12f85e) clone(0x2000000002000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r8 = gettid() setsockopt$inet6_IPV6_FLOWLABEL_MGR(r7, 0x29, 0x20, &(0x7f0000000000)={@rand_addr="e1e061058ed852250d2dd2dbdbcc366c", 0x0, 0x0, 0x0, 0x1}, 0x20) ptrace$setopts(0x4206, r8, 0x0, 0x0) tkill(r8, 0x19) wait4(0x0, 0x0, 0x0, 0x0) [ 66.106054][ T8489] device hsr_slave_1 entered promiscuous mode [ 66.182199][ T8494] chnl_net:caif_netlink_parms(): no params data found [ 66.239864][ T8492] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.256392][ T8492] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.264182][ T8492] device bridge_slave_0 entered promiscuous mode [ 66.272112][ T8499] IPVS: ftp: loaded support on port[0] = 21 [ 66.290292][ T8492] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.306368][ T8492] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.314214][ T8492] device bridge_slave_1 entered promiscuous mode [ 66.407523][ T8492] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.420548][ T8492] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.439425][ T8501] IPVS: ftp: loaded support on port[0] = 21 [ 66.445641][ T8494] bridge0: port 1(bridge_slave_0) entered blocking state 05:40:37 executing program 5: socketpair$unix(0x1, 0x1, 0x0, &(0x7f00000002c0)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) syz_mount_image$hfsplus(0x0, 0x0, 0x0, 0x0, 0x0, 0xebffffff, 0x0) [ 66.452734][ T8494] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.468043][ T8494] device bridge_slave_0 entered promiscuous mode [ 66.512415][ T8492] team0: Port device team_slave_0 added [ 66.520229][ T8492] team0: Port device team_slave_1 added [ 66.538964][ T8494] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.548192][ T8494] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.556626][ T8494] device bridge_slave_1 entered promiscuous mode [ 66.602359][ T8494] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.687213][ T8492] device hsr_slave_0 entered promiscuous mode [ 66.746138][ T8492] device hsr_slave_1 entered promiscuous mode [ 66.805671][ T8492] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 66.813398][ T8492] Cannot create hsr debugfs directory [ 66.825413][ T8494] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.857393][ T8489] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 66.866489][ T8503] IPVS: ftp: loaded support on port[0] = 21 [ 66.891249][ T8489] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 66.951863][ T8489] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 67.015084][ T8494] team0: Port device team_slave_0 added [ 67.027106][ T8489] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 67.096272][ T8494] team0: Port device team_slave_1 added [ 67.188811][ T8494] device hsr_slave_0 entered promiscuous mode [ 67.235987][ T8494] device hsr_slave_1 entered promiscuous mode [ 67.305698][ T8494] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 67.313274][ T8494] Cannot create hsr debugfs directory [ 67.333337][ T8499] chnl_net:caif_netlink_parms(): no params data found [ 67.409229][ T8501] chnl_net:caif_netlink_parms(): no params data found [ 67.467357][ T8492] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 67.522853][ T8499] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.530359][ T8499] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.540376][ T8499] device bridge_slave_0 entered promiscuous mode [ 67.549346][ T8499] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.556555][ T8499] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.564153][ T8499] device bridge_slave_1 entered promiscuous mode [ 67.571764][ T8492] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 67.628497][ T8492] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 67.731616][ T8492] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 67.766792][ T8501] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.773865][ T8501] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.782032][ T8501] device bridge_slave_0 entered promiscuous mode [ 67.793485][ T8501] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.800601][ T8501] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.808169][ T8501] device bridge_slave_1 entered promiscuous mode [ 67.844415][ T8499] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.855030][ T8501] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.871445][ T8501] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.889767][ T8503] chnl_net:caif_netlink_parms(): no params data found [ 67.899695][ T8499] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.949600][ T8494] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 67.997445][ T8494] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 68.061163][ T8494] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 68.108415][ T8501] team0: Port device team_slave_0 added [ 68.114224][ T8494] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 68.180706][ T8489] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.193395][ T8501] team0: Port device team_slave_1 added [ 68.219646][ T8499] team0: Port device team_slave_0 added [ 68.232568][ T8503] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.240161][ T8503] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.248047][ T8503] device bridge_slave_0 entered promiscuous mode [ 68.267840][ T8499] team0: Port device team_slave_1 added [ 68.307835][ T8501] device hsr_slave_0 entered promiscuous mode [ 68.346023][ T8501] device hsr_slave_1 entered promiscuous mode [ 68.386131][ T8501] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 68.393733][ T8501] Cannot create hsr debugfs directory [ 68.399744][ T8503] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.407131][ T8503] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.414694][ T8503] device bridge_slave_1 entered promiscuous mode [ 68.478659][ T8503] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.497541][ T8503] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 68.521198][ T8503] team0: Port device team_slave_0 added [ 68.532784][ T2822] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 68.541262][ T2822] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 68.597253][ T8499] device hsr_slave_0 entered promiscuous mode [ 68.635999][ T8499] device hsr_slave_1 entered promiscuous mode [ 68.675631][ T8499] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 68.683213][ T8499] Cannot create hsr debugfs directory [ 68.691612][ T8492] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.706556][ T8503] team0: Port device team_slave_1 added [ 68.716275][ T8489] 8021q: adding VLAN 0 to HW filter on device team0 [ 68.744332][ T2820] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 68.753069][ T2820] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 68.761689][ T2820] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.768932][ T2820] bridge0: port 1(bridge_slave_0) entered forwarding state [ 68.779608][ T2820] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 68.789714][ T2820] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 68.798773][ T2820] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 68.835427][ T2683] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 68.850560][ T2683] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 68.859392][ T2683] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.866549][ T2683] bridge0: port 2(bridge_slave_1) entered forwarding state [ 68.874210][ T2683] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 68.895653][ T2822] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 68.904738][ T2822] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 68.913403][ T2822] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 68.921684][ T2822] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 68.930589][ T2822] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 68.938892][ T2822] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 68.947169][ T2822] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 68.955466][ T2822] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 68.963919][ T2822] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 68.974893][ T2822] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 69.008236][ T8503] device hsr_slave_0 entered promiscuous mode [ 69.035969][ T8503] device hsr_slave_1 entered promiscuous mode [ 69.085716][ T8503] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 69.093298][ T8503] Cannot create hsr debugfs directory [ 69.101678][ T8492] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.114750][ T8489] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 69.132411][ T8494] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.201853][ T8501] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 69.229527][ T2683] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 69.238228][ T2683] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.247753][ T2683] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.254790][ T2683] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.262486][ T2683] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 69.270418][ T2683] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.289549][ T8494] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.303006][ T8501] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 69.347949][ T8501] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 69.377509][ T8501] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 69.438940][ T2683] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 69.448874][ T2683] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 69.457657][ T2683] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 69.466119][ T2683] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.473150][ T2683] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.511583][ T2683] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 69.524477][ T2683] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.534098][ T2683] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.541186][ T2683] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.549509][ T2683] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 69.558283][ T2683] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 69.566647][ T2683] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.573670][ T2683] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.581211][ T2683] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 69.590058][ T2683] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 69.604746][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 69.612673][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 69.644492][ T2820] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 69.653818][ T2820] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 69.663073][ T2820] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 69.674588][ T2820] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 69.702223][ T8499] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 69.749619][ T8499] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 69.811505][ T8499] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 69.867986][ T2822] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 69.878464][ T2822] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 69.886896][ T2822] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 69.895275][ T2822] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 69.904043][ T2822] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 69.912502][ T2822] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 69.920894][ T2822] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 69.929247][ T2822] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 69.937711][ T2822] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 69.946927][ T2822] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 69.955185][ T2822] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 69.962855][ T2822] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 69.972507][ T8492] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 69.981592][ T8503] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 70.020241][ T8489] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 70.028225][ T8499] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 70.091675][ T2822] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 70.099817][ T2822] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 70.108526][ T2822] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 70.127170][ T8503] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 70.171082][ T8503] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 70.218303][ T8503] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 70.272720][ T8494] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 70.285221][ T8494] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 70.303377][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 70.311938][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 70.320357][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 70.328208][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 70.346275][ T8501] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.376944][ T2683] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 70.384355][ T2683] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 70.404818][ T8501] 8021q: adding VLAN 0 to HW filter on device team0 [ 70.418928][ T8494] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 70.427144][ T2683] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 70.435724][ T2683] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 70.444511][ T2683] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 70.452481][ T2683] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 70.460475][ T2683] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 70.469000][ T2683] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 70.477992][ T2683] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.485040][ T2683] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.493158][ T2683] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 70.540156][ T8492] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 70.550710][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 70.561166][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 70.570140][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.577253][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.585217][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 70.594175][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 70.602924][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 70.611585][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 70.620077][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 70.628469][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 70.637052][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 70.645363][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 70.653734][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 70.662383][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 70.672437][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 70.680269][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 70.688729][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 70.717185][ T8489] device veth0_vlan entered promiscuous mode [ 70.734178][ T2683] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 70.742745][ T2683] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 70.751057][ T2683] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 70.760748][ T2683] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 70.769703][ T8501] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 70.780412][ T8489] device veth1_vlan entered promiscuous mode [ 70.810816][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 70.819907][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 70.828667][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 70.838063][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 70.846559][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 70.855400][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 70.863287][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 70.884217][ T8494] device veth0_vlan entered promiscuous mode [ 70.900229][ T2683] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 70.909206][ T2683] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 70.925377][ T8499] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.944624][ T8494] device veth1_vlan entered promiscuous mode [ 70.953576][ T2683] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 70.961878][ T2683] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 70.980246][ T8501] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 70.988279][ T8492] device veth0_vlan entered promiscuous mode [ 71.004005][ T8499] 8021q: adding VLAN 0 to HW filter on device team0 [ 71.012434][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 71.020921][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 71.028713][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 71.038699][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 71.064863][ T8503] 8021q: adding VLAN 0 to HW filter on device bond0 [ 71.092400][ T2822] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 71.106805][ T2822] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 71.115203][ T2822] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.122290][ T2822] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.138822][ T2822] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 71.174051][ T8503] 8021q: adding VLAN 0 to HW filter on device team0 [ 71.220747][ T8499] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 71.233921][ T8499] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 71.274920][ T8499] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 71.321679][ T8499] device veth0_vlan entered promiscuous mode [ 71.340333][ T8499] device veth1_vlan entered promiscuous mode [ 176.105518][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 176.112357][ C0] rcu: 0-....: (10500 ticks this GP) idle=fb6/1/0x4000000000000002 softirq=14052/14057 fqs=2701 [ 176.123188][ C0] (t=10500 jiffies g=6685 q=780) [ 176.128225][ C0] rcu: rcu_preempt kthread starved for 5088 jiffies! g6685 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 176.139247][ C0] rcu: RCU grace-period kthread stack dump: [ 176.145427][ C0] rcu_preempt R running task 29032 10 2 0x80004000 [ 176.153352][ C0] Call Trace: [ 176.156654][ C0] __schedule+0x9a0/0xcc0 [ 176.160998][ C0] schedule+0x181/0x210 [ 176.165158][ C0] schedule_timeout+0x14f/0x240 [ 176.169998][ C0] ? run_local_timers+0x120/0x120 [ 176.175031][ C0] rcu_gp_kthread+0xed8/0x1770 [ 176.179801][ C0] kthread+0x332/0x350 [ 176.183859][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 176.188973][ C0] ? kthread_blkcg+0xe0/0xe0 [ 176.193567][ C0] ret_from_fork+0x24/0x30 [ 176.198000][ C0] NMI backtrace for cpu 0 [ 176.202338][ C0] CPU: 0 PID: 8510 Comm: kworker/u4:6 Not tainted 5.5.0-rc5-syzkaller #0 [ 176.210729][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 176.220783][ C0] Call Trace: [ 176.224071][ C0] [ 176.226916][ C0] dump_stack+0x1fb/0x318 [ 176.231254][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 176.236088][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 176.242243][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 176.248794][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 176.254778][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 176.260670][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 176.265789][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 176.270994][ C0] ? trace_hardirqs_off+0x74/0x80 [ 176.276004][ C0] update_process_times+0x12d/0x180 [ 176.281190][ C0] tick_sched_timer+0x263/0x420 [ 176.286042][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 176.291591][ C0] __hrtimer_run_queues+0x403/0x840 [ 176.296790][ C0] hrtimer_interrupt+0x38c/0xda0 [ 176.301747][ C0] ? debug_smp_processor_id+0x9/0x20 [ 176.307026][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 176.312578][ C0] apic_timer_interrupt+0xf/0x20 [ 176.317516][ C0] [ 176.320464][ C0] RIP: 0010:free_thread_stack+0x133/0x590 [ 176.326172][ C0] Code: 00 ea ff ff 48 01 c7 be 03 00 00 00 e8 86 91 61 00 e9 5d 04 00 00 e8 3c 2c 2e 00 48 89 df 31 f6 e8 02 8d 6f 00 43 80 3c 2e 00 <74> 08 4c 89 e7 e8 73 94 6a 00 49 8b 1c 24 48 83 c3 08 48 89 d8 48 [ 176.346199][ C0] RSP: 0018:ffffc90002517e40 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 176.354629][ C0] RAX: 0000000000000001 RBX: ffffea0002420d80 RCX: 0000000000000000 [ 176.362605][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea0002420d80 [ 176.370578][ C0] RBP: ffffc90002517e78 R08: 000000000003a728 R09: fffffbfff124248a [ 176.378541][ C0] R10: fffffbfff124248a R11: 0000000000000000 R12: ffff8880a708b3a0 [ 176.386510][ C0] R13: dffffc0000000000 R14: 1ffff11014e11674 R15: ffff88809259f478 [ 176.394504][ C0] put_task_stack+0xa3/0x130 [ 176.399102][ C0] finish_task_switch+0x3f1/0x550 [ 176.404154][ C0] ? proc_cap_handler+0x450/0x450 [ 176.409169][ C0] schedule_tail+0x20/0x1a0 [ 176.413684][ C0] ? proc_cap_handler+0x450/0x450 [ 176.418717][ C0] ret_from_fork+0x8/0x30