[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 47.111298][ T25] audit: type=1800 audit(1575366646.994:25): pid=8345 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 47.130843][ T25] audit: type=1800 audit(1575366646.994:26): pid=8345 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 47.164646][ T25] audit: type=1800 audit(1575366646.994:27): pid=8345 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 '10.128.10.62' (ECDSA) to the list of known hosts. 2019/12/03 09:50:57 fuzzer started 2019/12/03 09:51:00 dialing manager at 10.128.0.26:38907 2019/12/03 09:51:00 syscalls: 2697 2019/12/03 09:51:00 code coverage: enabled 2019/12/03 09:51:00 comparison tracing: enabled 2019/12/03 09:51:00 extra coverage: extra coverage is not supported by the kernel 2019/12/03 09:51:00 setuid sandbox: enabled 2019/12/03 09:51:00 namespace sandbox: enabled 2019/12/03 09:51:00 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/03 09:51:00 fault injection: enabled 2019/12/03 09:51:00 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/03 09:51:00 net packet injection: enabled 2019/12/03 09:51:00 net device setup: enabled 2019/12/03 09:51:00 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/03 09:51:00 devlink PCI setup: PCI device 0000:00:10.0 is not available 09:51:01 executing program 0: r0 = socket$inet_tcp(0x2, 0x1, 0x0) r1 = socket$inet_tcp(0x2, 0x1, 0x0) r2 = dup2(r1, r0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) bpf$BPF_BTF_LOAD(0x12, &(0x7f0000000140)={&(0x7f00000001c0)={{0xeb9f, 0x1, 0x0, 0x18, 0x0, 0x34, 0x34, 0x4, [@func_proto={0x0, 0x2, 0x0, 0xd, 0x0, [{0x0, 0x3}, {0x2, 0x3}]}, @func_proto, @enum]}, {0x0, [0x0, 0x61]}}, &(0x7f0000003580)=""/4096, 0x50, 0x1000, 0x1041}, 0x20) 09:51:01 executing program 1: socketpair$unix(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) r1 = fcntl$dupfd(r0, 0x0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000f00)=@newlink={0x3c, 0x10, 0x411, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, @gretap={{0xc, 0x1, 'gretap\x00'}, {0xc, 0x2, [@IFLA_GRE_REMOTE={0x8, 0x7, @empty}]}}}]}, 0x3c}}, 0x0) r2 = socket(0x10, 0x80002, 0x0) sendmmsg$alg(r2, &(0x7f0000000180), 0x27a4eaa51029717, 0x0) syzkaller login: [ 61.457314][ T8509] IPVS: ftp: loaded support on port[0] = 21 [ 61.570696][ T8511] IPVS: ftp: loaded support on port[0] = 21 09:51:01 executing program 2: r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000140)='/dev/net/tun\x00', 0x0, 0x0) r1 = openat$tun(0xffffffffffffff9c, &(0x7f0000000780)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r1, 0x400454ca, &(0x7f0000000040)={'nr0\x01\x00', 0x1132}) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000000)={'nr0\x01\x00', 0x7132}) r2 = socket$kcm(0x29, 0x5, 0x0) ioctl$PERF_EVENT_IOC_SET_FILTER(r2, 0x8914, &(0x7f0000000500)='nr0\x01\x00`\xa1\x9e\xf9\xd2\xc6s\xd9\xa1W\x1c\xb9\xe16\x9b\xcda\xef~Iy:\xe1\x87\x12\xec\xeb\x1d\xaav\x94\x97\x80\v\x7f\xbb\xd3[\x17\f\x10u\x1d9\xae\xb6`\xd8c\xe4\x9b\x8cO;=\xadH\x90+[-l\xfd\n\xbd7,c\xbc\xf5\xd7\r\xf3\xfdM.\x8dD<\x88\xbc\x0eV7\xdd\x82\xfc45\xbe\xd4\xde]i<\x9ax\x1c\x86>\x05\xd8\xa6\xf8h\x9a[\xe2\x92\x16\x06\x1f?\xf5?\x8bk9fx\xe7\xba\x15^\xf9\x15-~C\xb1\xec\xcb#1\xeb\x8e\xb1\xedU\x86\xdc\xf8\xb3\xb0\xb9\x996\x1aD\xff,\"\xc2\xab\xbe\xf4-\xd2N\xab\xe6r3F\xa6\xe4l\x04\x99\xa2\x14B\xd8\xd0\r\xcbW\xf0\x13\xffu\x95\xed\xd0\xff\ai0\xde6u\xd3A\x17\xa4N\xb0\xe4\xf82\x93m\xa4NW\xe4:>6\xbdH\xd2\xa8[\xf4\xfdJ\x80N\x83\xf2\xf3\xcf7\x8aCZ\xf5\xe2\x87\xd4\xe2s7\xb4\xad\xa1\x1b&!\x982\xeck+8Dk;\x95\xfe7q\xe9\xf4,\xa3\x0f\xb2\x1e\x12\xf0\xa3\xd8\xbc-\x85EJ\xf9\xfc\xc0#-\x8f\xd9\tD\x8b\x01\xf4lY=1\xea\x1c\x92de\xe3ZA\x99\a\x9c<\xa4\x11(\xb1|\xb0\x1f\xbf[R+\xe0\xfd\x02\x02*\xda7\xfe\xcc\x14\xb6\xc8\xc8\x83\x18\x83\xb8Z\x11\x06\xf2\xf8g\x02\rR\x9f\x17\xa3P\xf2\r\xd3\xbfQ\xa9\x8c\xfd\xa7\f.68\xa4\x83\xfd?\x87\x94\v\xb4x\xb0|L\x11\x03\x94\xc0\t=\x17\x95P\x89\xf2\xca\x97\xbb\xe0u\x12L\x9b\x85\x96\xe0\b\xbf\n\x02\x8bS\x9c\xecyl\xec\x9b\xf5\x85\xeb\x80\xfe>\r&') [ 61.666548][ T8509] chnl_net:caif_netlink_parms(): no params data found [ 61.783659][ T8511] chnl_net:caif_netlink_parms(): no params data found [ 61.832775][ T8509] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.839882][ T8509] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.861758][ T8509] device bridge_slave_0 entered promiscuous mode 09:51:01 executing program 3: r0 = perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xfffffffffffffffd, 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, 0x0, 0xffffffffffffffff, 0x0) clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r1 = syz_open_procfs(0x0, &(0x7f0000000000)='timers\x00') exit(0x0) wait4(0x0, 0x0, 0x40000000, 0x0) sendfile(r0, r1, 0x0, 0x1) [ 61.897242][ T8509] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.911974][ T8509] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.930015][ T8509] device bridge_slave_1 entered promiscuous mode [ 62.011949][ T8509] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 62.033133][ T8509] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 62.050391][ T8511] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.057474][ T8511] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.083064][ T8511] device bridge_slave_0 entered promiscuous mode [ 62.103279][ T8511] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.111304][ T8511] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.122812][ T8516] IPVS: ftp: loaded support on port[0] = 21 [ 62.124216][ T8511] device bridge_slave_1 entered promiscuous mode [ 62.147321][ T8509] team0: Port device team_slave_0 added [ 62.184641][ T8509] team0: Port device team_slave_1 added [ 62.185613][ T8518] IPVS: ftp: loaded support on port[0] = 21 [ 62.218568][ T8511] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 62.233382][ T8511] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link 09:51:02 executing program 4: unshare(0x20600) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) setsockopt$SO_TIMESTAMPING(r2, 0x1, 0x2d, &(0x7f0000000000)=0x2408, 0x4) [ 62.333294][ T8509] device hsr_slave_0 entered promiscuous mode [ 62.391220][ T8509] device hsr_slave_1 entered promiscuous mode [ 62.475866][ T8511] team0: Port device team_slave_0 added [ 62.496739][ T8511] team0: Port device team_slave_1 added [ 62.507115][ T8520] IPVS: ftp: loaded support on port[0] = 21 09:51:02 executing program 5: perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3ff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) openat$cgroup_ro(0xffffffffffffffff, 0x0, 0x0, 0x0) msgget(0x2, 0x0) msgctl$MSG_INFO(0x0, 0xc, 0x0) r0 = socket$inet6(0xa, 0x80006, 0x0) ioctl$int_in(0xffffffffffffffff, 0x0, 0x0) r1 = socket$inet(0x2, 0x4000000000000001, 0x0) ioctl$VT_SETMODE(0xffffffffffffffff, 0x5602, 0x0) setsockopt$inet_tcp_int(r1, 0x6, 0x80000000000002, &(0x7f00000005c0)=0x78, 0x4) setsockopt$inet_tcp_TCP_MD5SIG(r1, 0x6, 0xe, &(0x7f0000000280)={@in={{0x2, 0x0, @loopback}}, 0x0, 0x2, 0x0, "a77760f5a7645bc43c241d69912dda0c63c2a66726f8cfafd6c8fe2c98de7ba44947a79015f0fe57917cb62a93987a938fdedfce7bbba4fec2d8a09c41fb233245f2604b9e07b8ab79ec15ef2818a179"}, 0xd8) bind$inet(r1, &(0x7f0000000180)={0x2, 0x4e23, @dev}, 0x10) setxattr$security_selinux(0x0, 0x0, 0x0, 0x0, 0x0) connect$inet(r1, &(0x7f0000000040)={0x2, 0x4e23}, 0x10) setsockopt$sock_int(r1, 0x1, 0x8, &(0x7f0000000100), 0x4) openat$vhost_vsock(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/vhost-vsock\x00', 0x2, 0x0) socket(0x1e, 0x4, 0x0) setsockopt$packet_tx_ring(0xffffffffffffffff, 0x10f, 0x87, 0x0, 0x0) dup3(r1, r0, 0x0) setsockopt$inet_sctp6_SCTP_EVENTS(0xffffffffffffffff, 0x84, 0xb, 0x0, 0x0) accept4(0xffffffffffffffff, 0x0, 0x0, 0x0) syz_open_dev$cec(0x0, 0x1, 0x2) ioctl$sock_inet6_tcp_SIOCINQ(0xffffffffffffffff, 0x805c6103, 0x0) ppoll(0x0, 0x0, &(0x7f0000000440)={0x0, 0x989680}, 0x0, 0x0) ioctl$sock_inet6_SIOCSIFDSTADDR(0xffffffffffffffff, 0x8918, 0x0) ioctl$KVM_GET_VCPU_MMAP_SIZE(0xffffffffffffffff, 0xae04) fcntl$setlease(0xffffffffffffffff, 0x400, 0x0) write$binfmt_script(0xffffffffffffffff, 0x0, 0xfffffc60) bpf$OBJ_PIN_MAP(0x6, 0x0, 0x0) recvmsg(r0, &(0x7f0000000240)={0x0, 0xfffffffffffffe05, &(0x7f0000000080)=[{&(0x7f0000000600)=""/4101, 0x1000}], 0x1, 0x0, 0x4f}, 0x100) write$binfmt_elf64(r1, &(0x7f0000002300)=ANY=[@ANYRES64], 0x1000001bd) [ 62.634359][ T8511] device hsr_slave_0 entered promiscuous mode [ 62.710651][ T8511] device hsr_slave_1 entered promiscuous mode [ 62.750601][ T8511] debugfs: Directory 'hsr0' with parent '/' already present! [ 62.787606][ T8522] IPVS: ftp: loaded support on port[0] = 21 [ 62.812835][ T8509] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 62.884087][ T8509] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 62.953967][ T8509] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 63.011975][ T8509] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 63.150043][ T8518] chnl_net:caif_netlink_parms(): no params data found [ 63.158975][ T8511] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 63.205102][ T8516] chnl_net:caif_netlink_parms(): no params data found [ 63.237194][ T8511] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 63.296932][ T8511] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 63.364463][ T8518] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.371933][ T8518] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.379769][ T8518] device bridge_slave_0 entered promiscuous mode [ 63.388815][ T8518] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.396137][ T8518] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.403943][ T8518] device bridge_slave_1 entered promiscuous mode [ 63.421733][ T8511] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 63.546213][ T8518] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.575423][ T8516] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.582815][ T8516] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.591510][ T8516] device bridge_slave_0 entered promiscuous mode [ 63.599338][ T8516] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.606883][ T8516] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.615422][ T8516] device bridge_slave_1 entered promiscuous mode [ 63.623685][ T8518] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 63.648861][ T8518] team0: Port device team_slave_0 added [ 63.665009][ T8520] chnl_net:caif_netlink_parms(): no params data found [ 63.676697][ T8518] team0: Port device team_slave_1 added [ 63.716202][ T8516] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.729031][ T8516] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 63.853131][ T8518] device hsr_slave_0 entered promiscuous mode [ 63.890677][ T8518] device hsr_slave_1 entered promiscuous mode [ 63.930877][ T8518] debugfs: Directory 'hsr0' with parent '/' already present! [ 63.950555][ T8520] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.957649][ T8520] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.969337][ T8520] device bridge_slave_0 entered promiscuous mode [ 63.989063][ T8516] team0: Port device team_slave_0 added [ 63.998723][ T8516] team0: Port device team_slave_1 added [ 64.007175][ T8520] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.016381][ T8520] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.024352][ T8520] device bridge_slave_1 entered promiscuous mode [ 64.046576][ T8522] chnl_net:caif_netlink_parms(): no params data found [ 64.067041][ T8520] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 64.105171][ T8520] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 64.128248][ T8509] 8021q: adding VLAN 0 to HW filter on device bond0 [ 64.172137][ T8516] device hsr_slave_0 entered promiscuous mode [ 64.221931][ T8516] device hsr_slave_1 entered promiscuous mode [ 64.260346][ T8516] debugfs: Directory 'hsr0' with parent '/' already present! [ 64.335725][ T8520] team0: Port device team_slave_0 added [ 64.342425][ T8518] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 64.382683][ T8518] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 64.425098][ T8518] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 64.494452][ T8522] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.501720][ T8522] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.509595][ T8522] device bridge_slave_0 entered promiscuous mode [ 64.527992][ T8528] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 64.537110][ T8528] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 64.550566][ T8520] team0: Port device team_slave_1 added [ 64.559720][ T8509] 8021q: adding VLAN 0 to HW filter on device team0 [ 64.567035][ T8518] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 64.621787][ T8522] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.628941][ T8522] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.637478][ T8522] device bridge_slave_1 entered promiscuous mode [ 64.654367][ T8516] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 64.703031][ T8516] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 64.756376][ T8522] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 64.768175][ T8522] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 64.782162][ T8516] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 64.834547][ T8516] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 64.944110][ T8520] device hsr_slave_0 entered promiscuous mode [ 64.990765][ T8520] device hsr_slave_1 entered promiscuous mode [ 65.030376][ T8520] debugfs: Directory 'hsr0' with parent '/' already present! [ 65.053326][ T8522] team0: Port device team_slave_0 added [ 65.062100][ T8528] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 65.071080][ T8528] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 65.079696][ T8528] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.087421][ T8528] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.107467][ T8528] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 65.141645][ T8522] team0: Port device team_slave_1 added [ 65.149830][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 65.159073][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 65.167648][ T43] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.174770][ T43] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.205650][ T8527] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 65.236787][ T8528] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 65.246927][ T8528] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 65.256548][ T8528] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 65.265882][ T8528] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 65.354838][ T8522] device hsr_slave_0 entered promiscuous mode [ 65.400774][ T8522] device hsr_slave_1 entered promiscuous mode [ 65.440446][ T8522] debugfs: Directory 'hsr0' with parent '/' already present! [ 65.449830][ T8520] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 65.483218][ T8520] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 65.545288][ T8511] 8021q: adding VLAN 0 to HW filter on device bond0 [ 65.553808][ T8528] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 65.563302][ T8528] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 65.589771][ T8520] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 65.614313][ T8520] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 65.689830][ T8516] 8021q: adding VLAN 0 to HW filter on device bond0 [ 65.703479][ T8528] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 65.714729][ T8528] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 65.737764][ T3024] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 65.752183][ T3024] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 65.763840][ T8509] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 65.776162][ T8509] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 65.788226][ T8511] 8021q: adding VLAN 0 to HW filter on device team0 [ 65.796442][ T8522] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 65.855297][ T8528] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 65.864165][ T8528] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 65.879858][ T8516] 8021q: adding VLAN 0 to HW filter on device team0 [ 65.903141][ T8522] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 65.942596][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 65.951143][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 65.958978][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 65.967730][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 65.976467][ T43] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.983580][ T43] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.992328][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 66.012116][ T8527] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 66.024415][ T8527] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 66.033938][ T8527] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.041154][ T8527] bridge0: port 1(bridge_slave_0) entered forwarding state [ 66.050704][ T8527] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 66.059300][ T8527] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 66.067775][ T8527] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.074873][ T8527] bridge0: port 2(bridge_slave_1) entered forwarding state [ 66.082598][ T8527] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 66.101838][ T8522] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 66.143456][ T8522] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 66.208075][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 66.216146][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 66.225222][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 66.235062][ T43] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.242199][ T43] bridge0: port 2(bridge_slave_1) entered forwarding state [ 66.250453][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 66.258097][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 66.265947][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 66.274799][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 66.283620][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 66.292195][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 66.301152][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 66.313220][ T8509] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 66.359328][ T8518] 8021q: adding VLAN 0 to HW filter on device bond0 [ 66.368111][ T8515] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 66.377578][ T8515] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 66.386639][ T8515] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 66.395707][ T8515] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 66.404568][ T8515] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 66.413307][ T8515] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 66.422078][ T8515] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 66.431814][ T8515] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 66.455455][ T8516] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 66.467165][ T8516] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 66.511345][ T8527] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 66.531175][ T8527] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 66.539730][ T8527] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 66.552506][ T8527] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 66.561356][ T8527] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 66.570790][ T8527] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 66.581088][ T8527] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 66.589880][ T8527] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 66.604525][ T8527] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 171.520076][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 171.526919][ C0] rcu: 0-...!: (10499 ticks this GP) idle=eca/1/0x4000000000000002 softirq=11614/11614 fqs=4 [ 171.537753][ C0] (t=10501 jiffies g=7257 q=146) [ 171.542769][ C0] rcu: rcu_preempt kthread starved for 10494 jiffies! g7257 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 171.553855][ C0] rcu: RCU grace-period kthread stack dump: [ 171.559731][ C0] rcu_preempt R running task 29032 10 2 0x80004000 [ 171.567637][ C0] Call Trace: [ 171.570928][ C0] __schedule+0x9a0/0xcc0 [ 171.575310][ C0] schedule+0x181/0x210 [ 171.579498][ C0] schedule_timeout+0x14f/0x240 [ 171.584365][ C0] ? run_local_timers+0x120/0x120 [ 171.589398][ C0] rcu_gp_kthread+0xed8/0x1770 [ 171.594168][ C0] kthread+0x332/0x350 [ 171.598233][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 171.603361][ C0] ? kthread_blkcg+0xe0/0xe0 [ 171.607937][ C0] ret_from_fork+0x24/0x30 [ 171.612363][ C0] NMI backtrace for cpu 0 [ 171.616774][ C0] CPU: 0 PID: 8480 Comm: udevd Not tainted 5.4.0-syzkaller #0 [ 171.624214][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 171.634259][ C0] Call Trace: [ 171.637533][ C0] [ 171.641208][ C0] dump_stack+0x1fb/0x318 [ 171.645639][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 171.650487][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 171.656655][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 171.662727][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 171.668702][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 171.674647][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 171.679814][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 171.685021][ C0] ? trace_hardirqs_off+0x74/0x80 [ 171.690042][ C0] update_process_times+0x12d/0x180 [ 171.695231][ C0] tick_sched_timer+0x263/0x420 [ 171.700072][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 171.705625][ C0] __hrtimer_run_queues+0x403/0x840 [ 171.710867][ C0] hrtimer_interrupt+0x38c/0xda0 [ 171.715830][ C0] ? debug_smp_processor_id+0x9/0x20 [ 171.721117][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 171.726659][ C0] apic_timer_interrupt+0xf/0x20 [ 171.731609][ C0] [ 171.734585][ C0] RIP: 0010:__memcg_kmem_uncharge+0xe/0x2e0 [ 171.741462][ C0] Code: c3 08 02 00 00 48 89 df 4c 89 f6 e8 dc 7d ff ff 5b 41 5e 5d c3 0f 1f 80 00 00 00 00 55 48 89 e5 41 57 41 56 41 55 41 54 53 50 <89> f3 49 89 fc 48 b8 00 00 00 00 00 fc ff df 4c 8d 77 38 4d 89 f5 [ 171.761072][ C0] RSP: 0018:ffffc90001b47ad0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 171.769480][ C0] RAX: ffffffff81486ea4 RBX: ffffea00028e0740 RCX: ffff888097e8a300 [ 171.777446][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea00028e0740 [ 171.785417][ C0] RBP: ffffc90001b47b00 R08: 000000000003a768 R09: fffffbfff120248a [ 171.793378][ C0] R10: fffffbfff120248a R11: 0000000000000000 R12: ffff8880a33cc820 [ 171.801339][ C0] R13: dffffc0000000000 R14: 1ffff11014679904 R15: ffff888092f5f5e8 [ 171.809344][ C0] ? free_thread_stack+0x124/0x590 [ 171.814569][ C0] ? free_thread_stack+0x124/0x590 [ 171.819680][ C0] free_thread_stack+0x12e/0x590 [ 171.824611][ C0] put_task_stack+0xa3/0x130 [ 171.829194][ C0] finish_task_switch+0x3f1/0x550 [ 171.834209][ C0] __schedule+0x9a8/0xcc0 [ 171.838535][ C0] schedule+0x181/0x210 [ 171.842681][ C0] schedule_hrtimeout_range_clock+0x3c7/0x510 [ 171.848746][ C0] ? trace_hrtimer_expire_exit+0x2d0/0x2d0 [ 171.854557][ C0] schedule_hrtimeout_range+0x2a/0x40 [ 171.860011][ C0] ep_poll+0xa4d/0xe80 [ 171.864081][ C0] ? do_task_dead+0xc0/0xc0 [ 171.868575][ C0] ? __kasan_check_read+0x11/0x20 [ 171.873591][ C0] do_epoll_wait+0x1ee/0x260 [ 171.878176][ C0] __x64_sys_epoll_wait+0x9a/0xb0 [ 171.883194][ C0] do_syscall_64+0xf7/0x1c0 [ 171.887711][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 171.893593][ C0] RIP: 0033:0x7f461698e943 [ 171.897998][ 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 [ 171.917593][ C0] RSP: 002b:00007fff841cb998 EFLAGS: 00000246 ORIG_RAX: 00000000000000e8 [ 171.925993][ C0] RAX: ffffffffffffffda RBX: 0000000000a59250 RCX: 00007f461698e943 [ 171.933960][ C0] RDX: 0000000000000004 RSI: 00007fff841cba60 RDI: 0000000000000007 [ 171.942049][ C0] RBP: 0000000000625500 R08: 00007fff841cb980 R09: 00007fff841fa0b8 [ 171.950023][ C0] R10: 000000000000ee41 R11: 0000000000000246 R12: 0000000000a6b270 [ 171.957988][ C0] R13: 00007fff841ccab7 R14: 0000000000000005 R15: 0000000000a59250