[ 42.813547][ T25] audit: type=1800 audit(1575348342.647:26): pid=8047 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 42.834010][ T25] audit: type=1800 audit(1575348342.657:27): pid=8047 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 42.885678][ T25] audit: type=1800 audit(1575348342.737:28): pid=8047 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. [ 43.521151][ T25] audit: type=1800 audit(1575348343.377:29): pid=8047 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.1.8' (ECDSA) to the list of known hosts. 2019/12/03 04:45:53 fuzzer started 2019/12/03 04:45:55 dialing manager at 10.128.0.26:38907 2019/12/03 04:45:55 syscalls: 2697 2019/12/03 04:45:55 code coverage: enabled 2019/12/03 04:45:55 comparison tracing: enabled 2019/12/03 04:45:55 extra coverage: extra coverage is not supported by the kernel 2019/12/03 04:45:55 setuid sandbox: enabled 2019/12/03 04:45:55 namespace sandbox: enabled 2019/12/03 04:45:55 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/03 04:45:55 fault injection: enabled 2019/12/03 04:45:55 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/03 04:45:55 net packet injection: enabled 2019/12/03 04:45:55 net device setup: enabled 2019/12/03 04:45:55 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/03 04:45:55 devlink PCI setup: PCI device 0000:00:10.0 is not available 04:45:56 executing program 0: openat$null(0xffffffffffffff9c, &(0x7f0000000240)='/dev/null\x00', 0x0, 0x0) openat$autofs(0xffffffffffffff9c, &(0x7f0000000300)='/dev/autofs\x00', 0x109042, 0x0) getsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(0xffffffffffffff9c, 0x84, 0x9, 0x0, 0x0) ioctl$VIDIOC_ENUM_FRAMESIZES(0xffffffffffffffff, 0xc02c564a, 0x0) write$P9_RWRITE(0xffffffffffffffff, 0x0, 0x0) sched_setaffinity(0x0, 0x0, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, 0x0, 0x0) ptrace$setopts(0xffffffffffffffff, 0x0, 0x0, 0x0) ioctl$PERF_EVENT_IOC_SET_BPF(0xffffffffffffffff, 0x40042408, 0xffffffffffffffff) bpf$BPF_TASK_FD_QUERY(0x14, 0x0, 0x0) r0 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r0, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x0, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) 04:45:56 executing program 1: r0 = socket$inet_udp(0x2, 0x2, 0x0) close(r0) r1 = socket(0x840000000002, 0x3, 0xff) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000000080)='ip6_vti0\x00 \x00', 0x10) connect$inet(r0, &(0x7f0000000200)={0x2, 0x0, @initdev}, 0x10) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = dup(r2) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) sendmsg$kcm(r1, &(0x7f0000000040)={0xffffffffffffffff, 0x0, 0x0, 0x0, &(0x7f0000000500)=[{0x10}], 0x2}, 0x0) syzkaller login: [ 56.468531][ T8211] IPVS: ftp: loaded support on port[0] = 21 04:45:56 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f00000002c0)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) bpf$PROG_LOAD(0x5, &(0x7f0000000100)={0xa, 0x4, &(0x7f0000000000)=@framed={{}, [@jmp={0x5, 0x0, 0x1, 0x0, 0x0, 0xfffffffffffffffe}]}, &(0x7f0000000400)='GPL\x00u\xf1\x85y*_\xb2\xf0S\xfe\x8e\xdfj\a\x19\v\xc2\x8c\x891\xf9D\xe1\x13\xc4)W\xd1}3\x9d\x10\xad\as\xdc\x81\xe2\xa9\x8d\xdf\x98u1\xc1\xc5\xa8\xe7\xd4[\xb7\xfa\xd3\r\xa8\x0e\xcb\x8e@\x1f\xdc\xa1\xf0e\x9b\xed.\xbf\x1d\xbc\x86b\xaa\x00c\x8dhD\f\xd0m]_\xa0\xd2\xc2\xcdg\x9fvt\",\xe1[\xb1u\xc2f.j\x84qg(h\xba\xe0\x1a[\x11o\xf7\x7f\x05]\x1c1\x9dL(n\xce\xeb\vvRa\xb2\xd1f\x1b3\xe6Xy\x0fe\xe8\xb2\xbf\xc0\xce\x7f\xfa\xaf\xe9mt2\xa8PA\x88\xa4v\xe6WL\xfc\x16\xf1\x9b\xe96\x10K\x02\xee\xb2=\xd2[\xca\x0f\xd4\x10ML,\x9cJ\x88(_qf\xcds\x8a\xa6\"\x9b\x97\xa5\xe2c\"G', 0x4, 0x1000, &(0x7f000062b000)=""/4096, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0}, 0x70) [ 56.543998][ T8213] IPVS: ftp: loaded support on port[0] = 21 [ 56.664632][ T8211] chnl_net:caif_netlink_parms(): no params data found [ 56.748821][ T8216] IPVS: ftp: loaded support on port[0] = 21 [ 56.765303][ T8211] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.778444][ T8211] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.786920][ T8211] device bridge_slave_0 entered promiscuous mode 04:45:56 executing program 3: creat(0x0, 0x0) r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000100)='/dev/snapshot\x00', 0x0, 0x0) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x81, 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, 0x0, 0xffffffffffffffff, 0x0) openat$sequencer2(0xffffffffffffff9c, 0x0, 0x2, 0x0) epoll_ctl$EPOLL_CTL_DEL(0xffffffffffffffff, 0x2, 0xffffffffffffffff) ioctl$VHOST_SET_VRING_KICK(r0, 0x3303, 0x0) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) [ 56.834904][ T8211] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.843457][ T8211] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.852326][ T8211] device bridge_slave_1 entered promiscuous mode [ 56.932931][ T8213] chnl_net:caif_netlink_parms(): no params data found [ 56.944364][ T8211] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.988249][ T8211] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link 04:45:56 executing program 4: r0 = syz_open_dev$evdev(&(0x7f0000000040)='/dev/input/event#\x00', 0x476, 0x101102) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000380)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = socket$inet(0x10, 0x2000000003, 0x0) sendmsg(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000009ff0)=[{&(0x7f0000000140)="240000002e0007031dfffd946fa2830020200a0009000000001d85680c1ba3a20400ff7e", 0x24}], 0x1}, 0x0) recvmmsg(r3, &(0x7f00000064c0), 0x40000000000022a, 0x22a, 0x0) write$evdev(r0, &(0x7f0000000100)=[{{0x0, 0x7530}}], 0xff49) [ 57.115798][ T8213] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.130936][ T8213] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.150887][ T8213] device bridge_slave_0 entered promiscuous mode [ 57.173850][ T8211] team0: Port device team_slave_0 added [ 57.192488][ T8216] chnl_net:caif_netlink_parms(): no params data found [ 57.204748][ T8221] IPVS: ftp: loaded support on port[0] = 21 [ 57.222294][ T8213] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.231576][ T8213] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.239368][ T8213] device bridge_slave_1 entered promiscuous mode [ 57.247916][ T8211] team0: Port device team_slave_1 added [ 57.274973][ T8222] IPVS: ftp: loaded support on port[0] = 21 [ 57.303507][ T8213] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.338881][ T8213] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link 04:45:57 executing program 5: bpf$PROG_LOAD(0x5, &(0x7f0000000180)={0x3, 0x3, &(0x7f0000000040)=@framed={{0x15, 0xa, 0x0, 0x0, 0x0, 0x71, 0x10, 0x8d}}, &(0x7f0000000080)='GPL\x04\x9c5\x14\xbfw-\xa0z\xe8.vY\n6\xf6I>\xc1\xab\x91\xb3\x97\xe4*\xbf\x1e\xa6\xcd\x8c\xd7t\'\xfc\x9a\x9e+qe\xf5+A\a\xbf\bP\xd8\x99\xdcR\xd0\x13\x17]\xdb\x1b/F <*\x05\xb7\"\xe3>Uo\xb2\xe3\xf3\x9a<\xde\x1f\xcaSd\x037\xec\x95aF\xbd\xbf\xcb\x11Pp\x19V1\xde]!\xa5\xea\x9ec\x8c+\xdbx\xa5\x01\xcaKn\xa3\x13\xd8%h\xf98,,?o\xab\xa6\xb4\xeeTy;N\xd2m\xae>R\"P)\xbb*\xc0\x00\x7fwuL?#\xce\xda\x98\t\xb9\xa9hJ\x94\n\xbc\xaa\x8c\xfc\xc7\x13>\xc4\"\xe9\xc88\x881\x8dA\xe9\xa4\x93\xf0\x19_\xe2Y\x96Q\xb8\x95\x04\xf5\xdb\xa1F%\xce#f\xf3=\x95\xdb\xa9/\x86ry\xca\xbfJ\xce\xdd\xc8Z\x8a\xf7\xa0\xfah\xd7g\xceQ6\xb9\xd0\xd1\x96lI\x9c\xb6\xbf4\xc2\x7f\x00'/248}, 0x48) [ 57.395066][ T8213] team0: Port device team_slave_0 added [ 57.483973][ T8211] device hsr_slave_0 entered promiscuous mode [ 57.530887][ T8211] device hsr_slave_1 entered promiscuous mode [ 57.573145][ T8213] team0: Port device team_slave_1 added [ 57.581116][ T8216] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.588180][ T8216] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.595940][ T8216] device bridge_slave_0 entered promiscuous mode [ 57.603775][ T8216] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.611512][ T8216] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.619066][ T8216] device bridge_slave_1 entered promiscuous mode [ 57.660573][ T8216] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.701661][ T8213] device hsr_slave_0 entered promiscuous mode [ 57.740376][ T8213] device hsr_slave_1 entered promiscuous mode [ 57.780139][ T8213] debugfs: Directory 'hsr0' with parent '/' already present! [ 57.796878][ T8224] IPVS: ftp: loaded support on port[0] = 21 [ 57.814179][ T8216] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.868863][ T8216] team0: Port device team_slave_0 added [ 57.879220][ T8216] team0: Port device team_slave_1 added [ 57.898065][ T8211] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 57.973694][ T8211] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 58.042679][ T8211] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 58.091768][ T8213] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 58.134139][ T8213] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 58.185376][ T8213] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 58.243998][ T8221] chnl_net:caif_netlink_parms(): no params data found [ 58.253518][ T8211] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 58.343213][ T8216] device hsr_slave_0 entered promiscuous mode [ 58.410329][ T8216] device hsr_slave_1 entered promiscuous mode [ 58.480221][ T8216] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.489094][ T8213] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 58.634263][ T8221] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.644036][ T8221] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.651801][ T8221] device bridge_slave_0 entered promiscuous mode [ 58.659392][ T8216] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 58.724413][ T8221] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.731932][ T8221] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.739451][ T8221] device bridge_slave_1 entered promiscuous mode [ 58.747302][ T8216] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 58.784935][ T8222] chnl_net:caif_netlink_parms(): no params data found [ 58.809109][ T8216] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 58.832754][ T8216] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 58.925172][ T8221] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.937181][ T8221] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.958291][ T8213] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.986070][ T8221] team0: Port device team_slave_0 added [ 58.996690][ T8221] team0: Port device team_slave_1 added [ 59.007200][ T8222] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.015391][ T8222] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.023518][ T8222] device bridge_slave_0 entered promiscuous mode [ 59.038697][ T8222] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.045816][ T8222] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.053734][ T8222] device bridge_slave_1 entered promiscuous mode [ 59.111940][ T8221] device hsr_slave_0 entered promiscuous mode [ 59.160411][ T8221] device hsr_slave_1 entered promiscuous mode [ 59.220240][ T8221] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.230551][ T8224] chnl_net:caif_netlink_parms(): no params data found [ 59.241014][ T8211] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.249860][ T8222] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.260985][ T8225] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.269432][ T8225] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.278873][ T8213] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.313599][ T8222] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.330737][ T3092] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.339334][ T3092] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.348219][ T3092] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.355496][ T3092] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.363481][ T3092] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.372427][ T3092] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.380812][ T3092] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.387933][ T3092] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.395543][ T3092] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 59.405082][ T3092] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 59.420343][ T8225] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 59.428824][ T8225] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.440897][ T8225] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.462896][ T8224] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.470024][ T8224] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.477917][ T8224] device bridge_slave_0 entered promiscuous mode [ 59.488009][ T8224] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.495181][ T8224] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.503012][ T8224] device bridge_slave_1 entered promiscuous mode [ 59.512798][ T8211] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.526119][ T3696] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 59.535498][ T3696] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.544253][ T3696] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 59.554913][ T8222] team0: Port device team_slave_0 added [ 59.562544][ T8222] team0: Port device team_slave_1 added [ 59.585688][ T8221] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 59.636233][ T8224] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.649210][ T8225] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.658953][ T8225] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.667358][ T8225] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.674409][ T8225] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.682564][ T8225] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 59.692243][ T8221] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 59.772952][ T8222] device hsr_slave_0 entered promiscuous mode [ 59.810513][ T8222] device hsr_slave_1 entered promiscuous mode [ 59.850167][ T8222] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.862766][ T8224] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.885877][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.895058][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.903929][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.911043][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.918843][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 59.927826][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.936217][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 59.944980][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 59.953586][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 59.962395][ T8221] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 60.003718][ T8221] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 60.075915][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 60.093110][ T8213] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 60.119622][ T8224] team0: Port device team_slave_0 added [ 60.127669][ T8224] team0: Port device team_slave_1 added [ 60.136667][ T8225] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 60.145214][ T8225] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 60.154715][ T8225] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 60.163160][ T8225] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 60.171905][ T8225] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 60.180767][ T8225] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 60.189212][ T8225] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 60.214763][ T8216] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.252204][ T8224] device hsr_slave_0 entered promiscuous mode [ 60.300654][ T8224] device hsr_slave_1 entered promiscuous mode [ 60.340268][ T8224] debugfs: Directory 'hsr0' with parent '/' already present! [ 60.347895][ T8225] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 60.355780][ T8225] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 60.365753][ T8213] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 60.389068][ T8216] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.410434][ T8222] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 60.452512][ T8228] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 60.465468][ T8228] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 60.474713][ T8228] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.483656][ T8228] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.491438][ T8228] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 60.501606][ T8228] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 60.510637][ T8228] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.517664][ T8228] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.525283][ T8228] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 60.533793][ T8228] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 60.542594][ T8228] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.550617][ T8228] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.559264][ T8228] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 60.576294][ T8211] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 60.588387][ T8211] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 60.600914][ T8222] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 60.636854][ T8222] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 165.639940][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 165.646756][ C0] rcu: 0-...!: (10499 ticks this GP) idle=382/1/0x4000000000000002 softirq=10212/10212 fqs=39 [ 165.657436][ C0] (t=10501 jiffies g=6301 q=119) [ 165.662455][ C0] rcu: rcu_preempt kthread starved for 10424 jiffies! g6301 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 165.673811][ C0] rcu: RCU grace-period kthread stack dump: [ 165.679712][ C0] rcu_preempt R running task 29032 10 2 0x80004000 [ 165.688278][ C0] Call Trace: [ 165.691575][ C0] __schedule+0x9a0/0xcc0 [ 165.696087][ C0] schedule+0x181/0x210 [ 165.700239][ C0] schedule_timeout+0x14f/0x240 [ 165.705084][ C0] ? run_local_timers+0x120/0x120 [ 165.710120][ C0] rcu_gp_kthread+0xed8/0x1770 [ 165.714898][ C0] kthread+0x332/0x350 [ 165.718957][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 165.724094][ C0] ? kthread_blkcg+0xe0/0xe0 [ 165.729128][ C0] ret_from_fork+0x24/0x30 [ 165.733550][ C0] NMI backtrace for cpu 0 [ 165.737886][ C0] CPU: 0 PID: 7858 Comm: udevd Not tainted 5.4.0-syzkaller #0 [ 165.745517][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 165.755710][ C0] Call Trace: [ 165.759418][ C0] [ 165.762393][ C0] dump_stack+0x1fb/0x318 [ 165.766755][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 165.771603][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 165.779055][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 165.785119][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 165.792155][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 165.798646][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 165.803845][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 165.809184][ C0] ? trace_hardirqs_off+0x74/0x80 [ 165.814372][ C0] update_process_times+0x12d/0x180 [ 165.819569][ C0] tick_sched_timer+0x263/0x420 [ 165.824583][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 165.830304][ C0] __hrtimer_run_queues+0x403/0x840 [ 165.835953][ C0] hrtimer_interrupt+0x38c/0xda0 [ 165.843351][ C0] ? debug_smp_processor_id+0x9/0x20 [ 165.848631][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 165.856884][ C0] apic_timer_interrupt+0xf/0x20 [ 165.861814][ C0] [ 165.864818][ C0] RIP: 0010:free_thread_stack+0x133/0x590 [ 165.870625][ C0] Code: 00 ea ff ff 48 01 c7 be 03 00 00 00 e8 06 a2 60 00 e9 5d 04 00 00 e8 5c 2d 2e 00 48 89 df 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 [ 165.892129][ C0] RSP: 0018:ffffc900063afb10 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 165.900700][ C0] RAX: 0000000000000001 RBX: ffffea0002433f80 RCX: 0000000000000000 [ 165.909191][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea0002433f80 [ 165.917413][ C0] RBP: ffffc900063afb48 R08: dffffc0000000000 R09: fffffbfff120248a [ 165.925845][ C0] R10: fffffbfff120248a R11: 0000000000000000 R12: ffff8880a2d90320 [ 165.933904][ C0] R13: dffffc0000000000 R14: 1ffff110145b2064 R15: ffff8880a85355a8 [ 165.942235][ C0] put_task_stack+0xa3/0x130 [ 165.946927][ C0] finish_task_switch+0x3f1/0x550 [ 165.951961][ C0] __schedule+0x9a8/0xcc0 [ 165.956552][ C0] schedule+0x181/0x210 [ 165.961263][ C0] schedule_hrtimeout_range_clock+0x3c7/0x510 [ 165.967628][ C0] ? trace_hrtimer_expire_exit+0x2d0/0x2d0 [ 165.973432][ C0] schedule_hrtimeout_range+0x2a/0x40 [ 165.978791][ C0] ep_poll+0xa4d/0xe80 [ 165.982872][ C0] ? do_task_dead+0xc0/0xc0 [ 165.987366][ C0] ? __kasan_check_read+0x11/0x20 [ 165.992478][ C0] do_epoll_wait+0x1ee/0x260 [ 165.998621][ C0] __x64_sys_epoll_wait+0x9a/0xb0 [ 166.003740][ C0] do_syscall_64+0xf7/0x1c0 [ 166.008245][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 166.014133][ C0] RIP: 0033:0x7fcd91194943 [ 166.018548][ C0] Code: 00 31 d2 48 29 c2 64 89 11 48 83 c8 ff eb ea 90 90 90 90 90 90 90 90 83 3d b5 dc 2a 00 00 75 13 49 89 ca b8 e8 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 34 c3 48 83 ec 08 e8 3b c4 00 00 48 89 04 24 [ 166.038424][ C0] RSP: 002b:00007ffc06a65c18 EFLAGS: 00000246 ORIG_RAX: 00000000000000e8 [ 166.047091][ C0] RAX: ffffffffffffffda RBX: 00000000023b0250 RCX: 00007fcd91194943 [ 166.055058][ C0] RDX: 0000000000000004 RSI: 00007ffc06a65ce0 RDI: 0000000000000007 [ 166.063016][ C0] RBP: 0000000000625500 R08: 00007ffc06a65c00 R09: 00007ffc06b8a0b8 [ 166.070972][ C0] R10: 000000000000ee42 R11: 0000000000000246 R12: 00000000023c18f0 [ 166.078931][ C0] R13: 00007ffc06a66d37 R14: 0000000000000005 R15: 00000000023b0250