[ 41.990110][ T23] audit: type=1800 audit(1575354238.569:27): pid=7981 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 42.020410][ T23] audit: type=1800 audit(1575354238.569:28): pid=7981 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. [ 42.597378][ T23] audit: type=1800 audit(1575354239.269:29): pid=7981 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 42.616725][ T23] audit: type=1800 audit(1575354239.269:30): pid=7981 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 '10.128.0.167' (ECDSA) to the list of known hosts. 2019/12/03 06:24:08 fuzzer started 2019/12/03 06:24:09 dialing manager at 10.128.0.26:38907 2019/12/03 06:24:09 syscalls: 2697 2019/12/03 06:24:09 code coverage: enabled 2019/12/03 06:24:09 comparison tracing: enabled 2019/12/03 06:24:09 extra coverage: extra coverage is not supported by the kernel 2019/12/03 06:24:09 setuid sandbox: enabled 2019/12/03 06:24:09 namespace sandbox: enabled 2019/12/03 06:24:09 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/03 06:24:09 fault injection: enabled 2019/12/03 06:24:09 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/03 06:24:09 net packet injection: enabled 2019/12/03 06:24:09 net device setup: enabled 2019/12/03 06:24:09 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/03 06:24:09 devlink PCI setup: PCI device 0000:00:10.0 is not available 06:24:10 executing program 0: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000200)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_subtree(r0, &(0x7f0000000240)='cgroup.subtree_control\x00', 0x2, 0x0) write$cgroup_subtree(r1, &(0x7f00000002c0)={[{0x2d, 'rdma'}]}, 0x6) 06:24:10 executing program 1: prctl$PR_SET_PTRACER(0x59616d61, 0xffffffffffffffff) r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x200000000000013, &(0x7f0000000280)=0x400100000001, 0x2a7) connect$inet6(r0, &(0x7f0000000080), 0x1c) setsockopt$inet6_tcp_TCP_REPAIR_OPTIONS(r0, 0x6, 0x16, &(0x7f0000000440), 0x12f7e5) clone(0x2000000002000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r1 = gettid() r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = dup(r2) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) setsockopt$inet6_int(r0, 0x29, 0x11, 0x0, 0x0) ptrace$setopts(0x4206, r1, 0x0, 0x0) tkill(r1, 0x20) wait4(0xffffffffffffffff, 0x0, 0x0, 0x0) syzkaller login: [ 54.057378][ T8144] IPVS: ftp: loaded support on port[0] = 21 [ 54.209093][ T8147] IPVS: ftp: loaded support on port[0] = 21 [ 54.229142][ T8144] chnl_net:caif_netlink_parms(): no params data found 06:24:11 executing program 2: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f00000000c0)="0300a1695e1dcfe87b1071") r1 = socket$inet6(0xa, 0x5, 0x0) r2 = socket$inet(0x2, 0x80001, 0x84) setsockopt$sock_int(r1, 0x1, 0x100000000002, &(0x7f0000000000)=0x2, 0x28e) bind$inet(r2, &(0x7f0000000540)={0x2, 0x4e20, @local}, 0x10) setsockopt$IP6T_SO_SET_REPLACE(r1, 0x29, 0x1a, &(0x7f00000006c0)=ANY=[@ANYBLOB="72617700000000000000000000000000000000000000000000000000000000000900000003000000e802000030010000300100003001000000000000000000001802000018020000180200001802000018020000030000000000000000000000fe8000000000000000000000000000aafe8000000000000000000000000000aa00000000000000000000000000000000000000000000000000000000000000007465716c3000000000000000000000006966623000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000c800300100000000000000000000000000000000000000000000000068004354000000000000000000000000000000000000000000000000000000000000000000736e6d7000000000000000000000000073797a300000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000ffff0000000000000000000000000000ffff0000000000000000000000000000000000000000000000000000000000000000000000006c6f0000000000000000000000000000766c616e30000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000c800e80000000000000000000000000000000000000000000000000020005452414345000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000a800d0000000000000000000000000000000000000000000000000002800000000000000000000000000000000000000000000000000000000000000feffffff00000000f23d16db95d8c0e55c1143ee475b9d3164736495edcb2da215eb00000000000000"], 0x348) bind$inet6(r1, &(0x7f0000000080)={0xa, 0x4e20}, 0x1c) [ 54.305959][ T8144] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.314324][ T8144] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.323450][ T8144] device bridge_slave_0 entered promiscuous mode [ 54.387579][ T8144] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.394671][ T8144] bridge0: port 2(bridge_slave_1) entered disabled state [ 54.428602][ T8144] device bridge_slave_1 entered promiscuous mode [ 54.485564][ T8147] chnl_net:caif_netlink_parms(): no params data found [ 54.510516][ T8144] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 54.553097][ T8144] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link 06:24:11 executing program 3: r0 = syz_open_procfs(0x0, &(0x7f0000000100)) getdents(r0, 0x0, 0x0) [ 54.595780][ T8144] team0: Port device team_slave_0 added [ 54.603555][ T8147] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.615370][ T8147] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.637863][ T8147] device bridge_slave_0 entered promiscuous mode [ 54.658213][ T8144] team0: Port device team_slave_1 added [ 54.666045][ T8147] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.689512][ T8147] bridge0: port 2(bridge_slave_1) entered disabled state [ 54.697946][ T8147] device bridge_slave_1 entered promiscuous mode [ 54.712538][ T8150] IPVS: ftp: loaded support on port[0] = 21 06:24:11 executing program 4: r0 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000080)='/dev/uinput\x00', 0x802, 0x0) ioctl$UI_SET_SNDBIT(r0, 0x4004556a, 0x0) ioctl$UI_SET_EVBIT(r0, 0x40045564, 0x12) write$uinput_user_dev(r0, &(0x7f0000000880)={'syz0\x00'}, 0x45c) ioctl$UI_SET_EVBIT(r0, 0x40045564, 0x14) ioctl$UI_DEV_SETUP(r0, 0x5501, 0x0) write$input_event(r0, &(0x7f0000000400)={{0x77359400}, 0x12}, 0x2a3) [ 54.801139][ T8144] device hsr_slave_0 entered promiscuous mode [ 54.869080][ T8144] device hsr_slave_1 entered promiscuous mode [ 54.972484][ T8147] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 54.996008][ T8152] IPVS: ftp: loaded support on port[0] = 21 [ 55.017872][ T8147] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link 06:24:11 executing program 5: r0 = syz_open_dev$vbi(&(0x7f0000000040)='/dev/vbi#\x00', 0x3, 0x2) ioctl$VIDIOC_G_SLICED_VBI_CAP(r0, 0xc0745645, &(0x7f0000000140)={0x0, [], 0x6}) [ 55.081281][ T8147] team0: Port device team_slave_0 added [ 55.104360][ T8147] team0: Port device team_slave_1 added [ 55.112258][ T8144] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 55.210201][ T8144] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 55.219813][ T8154] IPVS: ftp: loaded support on port[0] = 21 [ 55.279072][ T8144] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 55.359013][ T8144] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 55.459333][ T8147] device hsr_slave_0 entered promiscuous mode [ 55.507265][ T8147] device hsr_slave_1 entered promiscuous mode [ 55.547023][ T8147] debugfs: Directory 'hsr0' with parent '/' already present! [ 55.603191][ T8150] chnl_net:caif_netlink_parms(): no params data found [ 55.630100][ T8156] IPVS: ftp: loaded support on port[0] = 21 [ 55.682479][ T8150] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.689781][ T8150] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.697815][ T8150] device bridge_slave_0 entered promiscuous mode [ 55.721654][ T8147] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 55.768586][ T8147] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 55.798370][ T8150] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.805425][ T8150] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.813181][ T8150] device bridge_slave_1 entered promiscuous mode [ 55.839288][ T8147] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 55.896688][ T8150] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 55.908879][ T8150] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 55.935149][ T8150] team0: Port device team_slave_0 added [ 55.942902][ T8150] team0: Port device team_slave_1 added [ 55.949218][ T8147] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 56.029997][ T8152] chnl_net:caif_netlink_parms(): no params data found [ 56.079598][ T8150] device hsr_slave_0 entered promiscuous mode [ 56.127327][ T8150] device hsr_slave_1 entered promiscuous mode [ 56.166942][ T8150] debugfs: Directory 'hsr0' with parent '/' already present! [ 56.192281][ T8152] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.200045][ T8152] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.208063][ T8152] device bridge_slave_0 entered promiscuous mode [ 56.217455][ T8152] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.224505][ T8152] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.232400][ T8152] device bridge_slave_1 entered promiscuous mode [ 56.253343][ T8152] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.269736][ T8144] 8021q: adding VLAN 0 to HW filter on device bond0 [ 56.285018][ T8152] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.313003][ T8150] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 56.372648][ T8152] team0: Port device team_slave_0 added [ 56.388859][ T8150] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 56.438755][ T8150] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 56.479889][ T8150] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 56.530717][ T8152] team0: Port device team_slave_1 added [ 56.575139][ T8150] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.582312][ T8150] bridge0: port 2(bridge_slave_1) entered forwarding state [ 56.590119][ T8150] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.597204][ T8150] bridge0: port 1(bridge_slave_0) entered forwarding state [ 56.612826][ T8154] chnl_net:caif_netlink_parms(): no params data found [ 56.625665][ T12] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.634123][ T12] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.644873][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 56.653133][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 56.731191][ T8152] device hsr_slave_0 entered promiscuous mode [ 56.787392][ T8152] device hsr_slave_1 entered promiscuous mode [ 56.827211][ T8152] debugfs: Directory 'hsr0' with parent '/' already present! [ 56.839561][ T8156] chnl_net:caif_netlink_parms(): no params data found [ 56.883069][ T8144] 8021q: adding VLAN 0 to HW filter on device team0 [ 56.903565][ T8156] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.914193][ T8156] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.921927][ T8156] device bridge_slave_0 entered promiscuous mode [ 56.933973][ T8156] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.941513][ T8156] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.949399][ T8156] device bridge_slave_1 entered promiscuous mode [ 56.978080][ T8147] 8021q: adding VLAN 0 to HW filter on device bond0 [ 56.984889][ T8154] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.992374][ T8154] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.000435][ T8154] device bridge_slave_0 entered promiscuous mode [ 57.008536][ T8154] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.015569][ T8154] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.023417][ T8154] device bridge_slave_1 entered promiscuous mode [ 57.045098][ T2997] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 57.053693][ T2997] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 57.062286][ T2997] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.069380][ T2997] bridge0: port 1(bridge_slave_0) entered forwarding state [ 57.078464][ T2997] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 57.087162][ T2997] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 57.095421][ T2997] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.102491][ T2997] bridge0: port 2(bridge_slave_1) entered forwarding state [ 57.110729][ T2997] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 57.122154][ T2997] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 57.152261][ T8156] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.164961][ T8156] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.183330][ T8147] 8021q: adding VLAN 0 to HW filter on device team0 [ 57.199311][ T8154] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.222096][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 57.229985][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 57.237870][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 57.246379][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 57.254939][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 57.263550][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 57.272278][ T8152] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 57.341536][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 57.353521][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 57.362147][ T17] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.369200][ T17] bridge0: port 1(bridge_slave_0) entered forwarding state [ 57.377450][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 57.387721][ T8154] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.400068][ T8156] team0: Port device team_slave_0 added [ 57.415877][ T8154] team0: Port device team_slave_0 added [ 57.424209][ T8154] team0: Port device team_slave_1 added [ 57.432210][ T8152] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 57.505601][ T8152] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 57.550637][ T8156] team0: Port device team_slave_1 added [ 57.571226][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 57.580295][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 57.589522][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 57.598116][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 57.606363][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.613431][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 57.621083][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 57.630306][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 57.647119][ T2997] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 57.655346][ T2997] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 57.664592][ T2997] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 57.672902][ T2997] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 57.681346][ T2997] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 57.690874][ T2997] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 57.699782][ T8152] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 57.745636][ T8150] 8021q: adding VLAN 0 to HW filter on device bond0 [ 57.754965][ T8144] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 57.764519][ T2997] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 57.799521][ T8154] device hsr_slave_0 entered promiscuous mode [ 57.847406][ T8154] device hsr_slave_1 entered promiscuous mode [ 57.897234][ T8154] debugfs: Directory 'hsr0' with parent '/' already present! [ 57.924868][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 57.933851][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 57.999537][ T8156] device hsr_slave_0 entered promiscuous mode [ 58.047269][ T8156] device hsr_slave_1 entered promiscuous mode [ 58.087312][ T8156] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.098815][ T8150] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.121821][ T8160] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 58.130210][ T8160] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 58.140041][ T8160] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 58.148387][ T8160] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 58.156471][ T8160] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 58.164626][ T8160] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.184211][ T8154] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 58.243477][ T8156] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 58.300567][ T8147] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 58.309042][ T8160] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 58.316501][ T8160] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 58.324139][ T8160] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 58.332831][ T8160] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 58.341267][ T8160] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.348358][ T8160] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.368991][ T8154] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 58.408982][ T8156] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 58.464076][ T8156] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 58.518762][ T8156] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 58.564694][ T2997] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 58.573304][ T2997] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 58.582165][ T2997] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.589291][ T2997] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.597385][ T8154] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 58.648831][ T8154] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 58.704642][ T8144] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 58.725003][ T8157] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 58.734800][ T8157] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 58.749932][ T8157] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 58.761028][ T8157] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 58.769876][ T8157] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 58.777561][ T8157] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 58.804302][ T8157] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 58.817774][ T8157] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 58.834873][ T8157] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 58.844055][ T8157] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 58.853130][ T8157] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 163.846816][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 163.853621][ C0] rcu: 0-...!: (10499 ticks this GP) idle=b9a/1/0x4000000000000002 softirq=10315/10315 fqs=0 [ 163.864078][ C0] (t=10500 jiffies g=6237 q=13) [ 163.869004][ C0] rcu: rcu_preempt kthread starved for 10500 jiffies! g6237 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=1 [ 163.880256][ C0] rcu: RCU grace-period kthread stack dump: [ 163.886132][ C0] rcu_preempt I29032 10 2 0x80004000 [ 163.892454][ C0] Call Trace: [ 163.895735][ C0] __schedule+0x9a0/0xcc0 [ 163.900058][ C0] schedule+0x181/0x210 [ 163.904203][ C0] schedule_timeout+0x14f/0x240 [ 163.909038][ C0] ? run_local_timers+0x120/0x120 [ 163.914048][ C0] rcu_gp_kthread+0xed8/0x1770 [ 163.918807][ C0] kthread+0x332/0x350 [ 163.922857][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 163.927950][ C0] ? kthread_blkcg+0xe0/0xe0 [ 163.932522][ C0] ret_from_fork+0x24/0x30 [ 163.936970][ C0] NMI backtrace for cpu 0 [ 163.941288][ C0] CPU: 0 PID: 8166 Comm: udevd Not tainted 5.4.0-syzkaller #0 [ 163.948722][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 163.958758][ C0] Call Trace: [ 163.962025][ C0] [ 163.964861][ C0] dump_stack+0x1fb/0x318 [ 163.969180][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 163.974019][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 163.980159][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 163.986211][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 163.992199][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 163.998076][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 164.003175][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 164.008369][ C0] ? trace_hardirqs_off+0x74/0x80 [ 164.013383][ C0] update_process_times+0x12d/0x180 [ 164.018568][ C0] tick_sched_timer+0x263/0x420 [ 164.023398][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 164.028929][ C0] __hrtimer_run_queues+0x403/0x840 [ 164.034125][ C0] hrtimer_interrupt+0x38c/0xda0 [ 164.039063][ C0] ? debug_smp_processor_id+0x9/0x20 [ 164.044342][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 164.049872][ C0] apic_timer_interrupt+0xf/0x20 [ 164.054788][ C0] [ 164.057711][ C0] RIP: 0010:free_thread_stack+0x151/0x590 [ 164.063414][ C0] Code: 31 f6 e8 42 af 6e 00 43 80 3c 2e 00 74 08 4c 89 e7 e8 43 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 25 a4 69 00 48 8b 3b be fc ff ff ff e8 28 04 00 [ 164.083002][ C0] RSP: 0018:ffffc900024c7e40 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 164.091394][ C0] RAX: 1ffff110125f27b1 RBX: ffff888092f93d88 RCX: 0000000000000000 [ 164.099348][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea000259a140 [ 164.107303][ C0] RBP: ffffc900024c7e78 R08: dffffc0000000000 R09: fffffbfff1287025 [ 164.115262][ C0] R10: fffffbfff1287025 R11: 0000000000000000 R12: ffff888092f93e20 [ 164.123220][ C0] R13: dffffc0000000000 R14: 1ffff110125f27c4 R15: ffff8880a8de5628 [ 164.131205][ C0] put_task_stack+0xa3/0x130 [ 164.135782][ C0] finish_task_switch+0x3f1/0x550 [ 164.140793][ C0] schedule_tail+0x20/0x1a0 [ 164.145284][ C0] ret_from_fork+0x8/0x30 [ 164.149597][ C0] RIP: 0033:0x7f8d6dbacf46 [ 164.154013][ C0] Code: Bad RIP value. [ 164.158060][ C0] RSP: 002b:00007ffd272baa10 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 164.166450][ C0] RAX: 0000000000000000 RBX: 00007ffd272baa10 RCX: 00007f8d6dbacf46 [ 164.174404][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 [ 164.182358][ C0] RBP: 00007ffd272baa70 R08: 0000000000001e7e R09: 0000000000001e7e [ 164.190335][ C0] R10: 00007f8d6e4c9a70 R11: 0000000000000246 R12: 0000000000000000 [ 164.198302][ C0] R13: 00007ffd272baa30 R14: 0000000000000005 R15: 0000000000000005