[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[ 26.869534] random: sshd: uninitialized urandom read (32 bytes read) [?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 28.358238] random: sshd: uninitialized urandom read (32 bytes read) [ 28.669759] random: sshd: uninitialized urandom read (32 bytes read) [ 29.919464] random: sshd: uninitialized urandom read (32 bytes read) Warning: Permanently added '10.128.10.1' (ECDSA) to the list of known hosts. [ 35.437849] random: sshd: uninitialized urandom read (32 bytes read) 2018/06/04 22:43:15 fuzzer started 2018/06/04 22:43:16 dialing manager at 10.128.0.26:45299 [ 58.883441] can: request_module (can-proto-0) failed. [ 58.894168] can: request_module (can-proto-0) failed. 2018/06/04 22:43:40 kcov=true, comps=false 2018/06/04 22:43:45 executing program 0: r0 = syz_open_dev$vcsa(&(0x7f0000000180)='/dev/vcsa#\x00', 0xbcfe, 0x0) setsockopt$inet_sctp_SCTP_RTOINFO(0xffffffffffffffff, 0x84, 0x0, &(0x7f00000000c0), 0x10) r1 = socket$kcm(0x29, 0x5, 0x0) ioctl(r1, 0x8912, &(0x7f0000000240)="0047fc2f07d82c99240970") readv(r0, &(0x7f0000000000)=[{&(0x7f00000004c0)=""/92, 0x5c}], 0x1) 2018/06/04 22:43:45 executing program 1: r0 = syz_open_procfs(0x0, &(0x7f0000000100)="7461736b0081aeb0ddf582bb961d180b6517a53d4ffe4533ead356c68b00511cde5aba38937ba62a3ae58445531222093ef3ffe50c03dd6659610f0000c4282d096c6814d53fde1a3b24a4fcf2acdf4e2f5fad0bf046b00581e70906564d4f99e0dbc789a432985b79878b7c85f9487469c92d0300ee") fchdir(r0) perf_event_open(&(0x7f000001d000)={0x200000002, 0x70, 0x5, 0x108000001, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_fuseblk_mount(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000040)='4/file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0, 0x0) 2018/06/04 22:43:45 executing program 7: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_subtree(r0, &(0x7f0000000100)='cgroup.subtree_control\x00', 0x2, 0x0) perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r2 = creat(&(0x7f0000000700)='./bus\x00', 0x0) ftruncate(r2, 0x8200) open(&(0x7f000000fffa)='./bus\x00', 0x0, 0x0) socket$inet6(0xa, 0x0, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000002f80)=[{{&(0x7f0000000140)=@in={0x0, 0x0, @loopback}, 0x80, &(0x7f0000000340)=[{&(0x7f00000001c0)=""/129, 0x81}], 0x1, &(0x7f0000000380)=""/159, 0x9f}}, {{&(0x7f0000000440)=@ipx, 0x80, &(0x7f0000000580)=[{&(0x7f00000004c0)=""/132, 0x84}], 0x1, &(0x7f00000005c0)=""/127, 0x7f}}, {{&(0x7f0000000640)=@vsock={0x0, 0x0, 0x0, @host}, 0x80, &(0x7f0000002a00)=[{&(0x7f0000003080)=""/47, 0x2f}, {&(0x7f00000007c0)=""/56, 0x38}, {&(0x7f0000000800)=""/172, 0xac}, {&(0x7f00000008c0)=""/4096, 0x1000}, {&(0x7f00000018c0)=""/188, 0xbc}, {&(0x7f0000001980)=""/4096, 0x1000}], 0x6, &(0x7f0000002a80)=""/57, 0x39}}], 0x3, 0x0, &(0x7f00000032c0)={0x77359400}) pwritev(r1, &(0x7f0000000200), 0x10000000000003b0, 0x0) 2018/06/04 22:43:45 executing program 4: 2018/06/04 22:43:45 executing program 5: 2018/06/04 22:43:45 executing program 6: 2018/06/04 22:43:45 executing program 2: 2018/06/04 22:43:45 executing program 3: [ 66.590965] IPVS: ftp: loaded support on port[0] = 21 [ 66.627110] IPVS: ftp: loaded support on port[0] = 21 [ 66.669465] IPVS: ftp: loaded support on port[0] = 21 [ 66.671347] IPVS: ftp: loaded support on port[0] = 21 [ 66.700238] IPVS: ftp: loaded support on port[0] = 21 [ 66.719235] IPVS: ftp: loaded support on port[0] = 21 [ 66.727331] IPVS: ftp: loaded support on port[0] = 21 [ 66.743207] IPVS: ftp: loaded support on port[0] = 21 [ 68.268633] ip (4655) used greatest stack depth: 54520 bytes left [ 68.934246] ip (4711) used greatest stack depth: 54392 bytes left [ 69.303368] ip (4743) used greatest stack depth: 54280 bytes left [ 69.973770] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.980222] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.020105] device bridge_slave_0 entered promiscuous mode [ 70.030761] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.037196] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.055950] device bridge_slave_0 entered promiscuous mode [ 70.098204] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.104664] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.113399] device bridge_slave_0 entered promiscuous mode [ 70.125737] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.132157] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.167746] device bridge_slave_0 entered promiscuous mode [ 70.181978] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.188457] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.211159] device bridge_slave_0 entered promiscuous mode [ 70.219475] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.225950] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.234989] device bridge_slave_0 entered promiscuous mode [ 70.243597] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.250021] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.264699] device bridge_slave_0 entered promiscuous mode [ 70.288644] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.295104] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.311504] device bridge_slave_1 entered promiscuous mode [ 70.328746] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.335199] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.343248] device bridge_slave_1 entered promiscuous mode [ 70.351173] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.357582] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.367773] device bridge_slave_0 entered promiscuous mode [ 70.376564] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.382999] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.400359] device bridge_slave_1 entered promiscuous mode [ 70.408368] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.414811] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.429842] device bridge_slave_1 entered promiscuous mode [ 70.447461] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.453910] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.479211] device bridge_slave_1 entered promiscuous mode [ 70.492928] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.499352] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.528194] device bridge_slave_1 entered promiscuous mode [ 70.539057] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 70.547486] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 70.561503] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 70.572923] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 70.591458] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.597969] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.620974] device bridge_slave_1 entered promiscuous mode [ 70.655257] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 70.665586] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.672078] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.708136] device bridge_slave_1 entered promiscuous mode [ 70.733109] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 70.746587] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 70.755465] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 70.762795] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 70.773431] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 70.858522] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 70.869952] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 70.957548] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 70.965995] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 71.057745] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 71.177685] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 71.314468] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 71.366372] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 71.403926] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 71.421191] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 71.437498] ip (4893) used greatest stack depth: 54072 bytes left [ 71.553080] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 71.570700] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 71.597080] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 71.614108] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 71.633595] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 71.665086] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 71.694999] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 71.756640] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 71.813267] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 71.830716] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 71.864796] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 71.878573] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 71.897452] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 72.010971] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 72.017954] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 72.070652] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 72.077635] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 72.094626] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 72.104846] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 72.124674] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 72.133577] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 72.141548] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 72.149238] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 72.174783] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 72.197741] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 72.204692] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 72.227893] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 72.236085] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 72.312768] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 72.319736] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 72.343895] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 72.350893] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 72.528290] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 72.535250] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 72.592487] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 72.599453] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 72.731534] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 72.752622] team0: Port device team_slave_0 added [ 72.770560] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 72.782773] team0: Port device team_slave_0 added [ 72.812667] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 72.829525] team0: Port device team_slave_0 added [ 72.845350] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 72.855810] team0: Port device team_slave_0 added [ 72.871210] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 72.888555] team0: Port device team_slave_0 added [ 72.935943] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 72.962383] team0: Port device team_slave_0 added [ 72.980888] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 73.000738] team0: Port device team_slave_1 added [ 73.036217] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 73.057561] team0: Port device team_slave_1 added [ 73.075096] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 73.083114] team0: Port device team_slave_1 added [ 73.111013] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 73.118008] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 73.129503] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 73.152291] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 73.159899] team0: Port device team_slave_1 added [ 73.175447] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 73.196389] team0: Port device team_slave_1 added [ 73.207900] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 73.218396] team0: Port device team_slave_0 added [ 73.242679] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 73.267967] team0: Port device team_slave_1 added [ 73.289151] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 73.296127] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 73.307764] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 73.332143] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 73.340190] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 73.352429] team0: Port device team_slave_0 added [ 73.361776] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 73.389256] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 73.399961] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 73.407919] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 73.422624] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 73.444232] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 73.451607] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 73.470775] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 73.497941] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 73.506617] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 73.517779] team0: Port device team_slave_1 added [ 73.529792] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 73.536673] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 73.554570] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 73.574963] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 73.594403] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 73.614424] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 73.621412] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 73.630270] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 73.641294] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 73.650363] team0: Port device team_slave_1 added [ 73.674292] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 73.683141] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 73.690829] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 73.706799] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 73.722657] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 73.741762] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 73.758218] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 73.767975] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 73.778419] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 73.790947] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 73.798847] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 73.806481] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 73.820781] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 73.828642] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 73.844320] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 73.863015] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 73.873487] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 73.887283] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 73.906143] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 73.919330] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 73.927841] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 73.939956] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 73.969411] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 73.983796] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 74.002552] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 74.009551] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 74.022113] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 74.030456] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 74.038381] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 74.055772] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 74.063918] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 74.078611] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 74.086411] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 74.095422] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 74.102709] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 74.128550] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 74.172966] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 74.204621] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 74.240631] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 74.254978] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 74.262877] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 74.270990] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 74.279099] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 74.286972] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 74.294884] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 74.302937] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 74.310707] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 74.318612] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 74.330815] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 74.347404] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 74.368662] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 74.384330] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 74.398896] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 74.407497] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 74.418417] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 74.432399] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 74.441917] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 74.452580] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 74.466664] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 74.505959] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 74.535336] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 74.551594] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 74.566003] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 74.577241] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 74.616196] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 74.635275] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 74.667845] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 74.675263] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 74.691881] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 74.726861] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 74.734914] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 74.756895] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 76.437827] bridge0: port 2(bridge_slave_1) entered blocking state [ 76.444602] bridge0: port 2(bridge_slave_1) entered forwarding state [ 76.451407] bridge0: port 1(bridge_slave_0) entered blocking state [ 76.457962] bridge0: port 1(bridge_slave_0) entered forwarding state [ 76.472241] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 76.483458] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 76.538534] bridge0: port 2(bridge_slave_1) entered blocking state [ 76.544957] bridge0: port 2(bridge_slave_1) entered forwarding state [ 76.551738] bridge0: port 1(bridge_slave_0) entered blocking state [ 76.558149] bridge0: port 1(bridge_slave_0) entered forwarding state [ 76.615856] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 76.709069] bridge0: port 2(bridge_slave_1) entered blocking state [ 76.715517] bridge0: port 2(bridge_slave_1) entered forwarding state [ 76.722304] bridge0: port 1(bridge_slave_0) entered blocking state [ 76.728722] bridge0: port 1(bridge_slave_0) entered forwarding state [ 76.782447] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 76.789392] bridge0: port 2(bridge_slave_1) entered blocking state [ 76.795821] bridge0: port 2(bridge_slave_1) entered forwarding state [ 76.802593] bridge0: port 1(bridge_slave_0) entered blocking state [ 76.808998] bridge0: port 1(bridge_slave_0) entered forwarding state [ 76.817733] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 76.861630] bridge0: port 2(bridge_slave_1) entered blocking state [ 76.868085] bridge0: port 2(bridge_slave_1) entered forwarding state [ 76.874862] bridge0: port 1(bridge_slave_0) entered blocking state [ 76.881271] bridge0: port 1(bridge_slave_0) entered forwarding state [ 76.937830] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 76.945818] bridge0: port 2(bridge_slave_1) entered blocking state [ 76.952224] bridge0: port 2(bridge_slave_1) entered forwarding state [ 76.958984] bridge0: port 1(bridge_slave_0) entered blocking state [ 76.965391] bridge0: port 1(bridge_slave_0) entered forwarding state [ 76.973795] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 77.005262] bridge0: port 2(bridge_slave_1) entered blocking state [ 77.011703] bridge0: port 2(bridge_slave_1) entered forwarding state [ 77.018469] bridge0: port 1(bridge_slave_0) entered blocking state [ 77.024886] bridge0: port 1(bridge_slave_0) entered forwarding state [ 77.092119] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 77.271018] bridge0: port 2(bridge_slave_1) entered blocking state [ 77.277500] bridge0: port 2(bridge_slave_1) entered forwarding state [ 77.284306] bridge0: port 1(bridge_slave_0) entered blocking state [ 77.290716] bridge0: port 1(bridge_slave_0) entered forwarding state [ 77.317321] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 77.536547] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 77.554440] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 77.568326] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 77.584061] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 77.599674] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 77.607774] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 77.615333] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 84.725236] 8021q: adding VLAN 0 to HW filter on device bond0 [ 84.989410] 8021q: adding VLAN 0 to HW filter on device bond0 [ 85.033958] 8021q: adding VLAN 0 to HW filter on device bond0 [ 85.153286] 8021q: adding VLAN 0 to HW filter on device bond0 [ 85.183685] 8021q: adding VLAN 0 to HW filter on device bond0 [ 85.343611] 8021q: adding VLAN 0 to HW filter on device bond0 [ 85.398818] 8021q: adding VLAN 0 to HW filter on device bond0 [ 85.527587] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 85.665875] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 85.717232] 8021q: adding VLAN 0 to HW filter on device bond0 [ 85.843875] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 85.889240] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 85.972700] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 86.123143] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 86.225094] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 86.316289] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 86.322568] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 86.332984] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 86.461818] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 86.468296] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 86.481734] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 86.543326] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 86.650644] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 86.656944] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 86.668563] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 86.733097] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 86.739333] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 86.751202] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 86.817301] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 86.823548] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 86.833940] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 86.972217] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 86.978458] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 86.989427] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 87.034697] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 87.044768] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 87.057738] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 87.093147] 8021q: adding VLAN 0 to HW filter on device team0 [ 87.317207] 8021q: adding VLAN 0 to HW filter on device team0 [ 87.344333] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 87.350562] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 87.363483] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 87.498201] 8021q: adding VLAN 0 to HW filter on device team0 [ 87.556970] 8021q: adding VLAN 0 to HW filter on device team0 [ 87.604385] 8021q: adding VLAN 0 to HW filter on device team0 [ 87.761267] 8021q: adding VLAN 0 to HW filter on device team0 [ 87.823515] 8021q: adding VLAN 0 to HW filter on device team0 [ 88.173639] 8021q: adding VLAN 0 to HW filter on device team0 [ 92.094177] ================================================================== [ 92.101581] BUG: KMSAN: uninit-value in vcs_read+0x18ba/0x1cc0 [ 92.107548] CPU: 1 PID: 6552 Comm: syz-executor0 Not tainted 4.17.0-rc5+ #103 [ 92.114811] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 92.124156] Call Trace: [ 92.126742] dump_stack+0x185/0x1d0 [ 92.130375] ? kmsan_internal_check_memory+0x159/0x1e0 [ 92.135652] kmsan_report+0x149/0x260 [ 92.139458] kmsan_internal_check_memory+0x179/0x1e0 [ 92.144566] kmsan_copy_to_user+0x75/0x160 [ 92.148802] vcs_read+0x18ba/0x1cc0 [ 92.152440] do_iter_read+0x87e/0xd70 [ 92.156239] ? vcs_lseek+0x470/0x470 [ 92.159953] do_readv+0x295/0x5f0 [ 92.163411] __x64_sys_readv+0xe1/0x120 [ 92.167388] do_syscall_64+0x152/0x230 [ 92.171282] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 92.176464] RIP: 0033:0x455a09 [ 92.179645] RSP: 002b:00007f4cc2ef6c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000013 [ 92.187354] RAX: ffffffffffffffda RBX: 00007f4cc2ef76d4 RCX: 0000000000455a09 [ 92.194624] RDX: 0000000000000001 RSI: 0000000020000000 RDI: 0000000000000013 [ 92.201888] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 92.209152] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 92.216418] R13: 000000000000056b R14: 00000000006fd2a8 R15: 0000000000000000 [ 92.223685] [ 92.225307] Uninit was stored to memory at: [ 92.229641] kmsan_internal_chain_origin+0x12b/0x210 [ 92.234743] __msan_chain_origin+0x69/0xc0 [ 92.238975] vcs_read+0x17a3/0x1cc0 [ 92.242602] do_iter_read+0x87e/0xd70 [ 92.246401] do_readv+0x295/0x5f0 [ 92.249855] __x64_sys_readv+0xe1/0x120 [ 92.253826] do_syscall_64+0x152/0x230 [ 92.257712] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 92.262888] Uninit was created at: [ 92.266429] kmsan_internal_poison_shadow+0xb8/0x1b0 [ 92.271533] kmsan_kmalloc+0x94/0x100 [ 92.275332] __kmalloc+0x141/0x350 [ 92.279226] vc_allocate+0x438/0x800 [ 92.282940] con_install+0x8c/0x640 [ 92.286566] tty_init_dev+0x1b0/0x1020 [ 92.290449] tty_open+0x15e7/0x2ea0 [ 92.294075] chrdev_open+0xc20/0xd90 [ 92.297790] do_dentry_open+0xcf8/0x15f0 [ 92.301848] vfs_open+0x1b7/0x2e0 [ 92.305301] path_openat+0x4724/0x6470 [ 92.309191] do_filp_open+0x261/0x640 [ 92.312988] do_sys_open+0x624/0x960 [ 92.316702] __x64_sys_open+0xf2/0x130 [ 92.320585] do_syscall_64+0x152/0x230 [ 92.324472] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 92.329650] [ 92.331269] Bytes 4-91 of 92 are uninitialized [ 92.335839] Memory access starts at ffff880139178000 [ 92.340927] ================================================================== [ 92.348278] Disabling lock debugging due to kernel taint [ 92.353717] Kernel panic - not syncing: panic_on_warn set ... [ 92.353717] [ 92.361083] CPU: 1 PID: 6552 Comm: syz-executor0 Tainted: G B 4.17.0-rc5+ #103 [ 92.369735] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 92.379080] Call Trace: [ 92.381670] dump_stack+0x185/0x1d0 [ 92.385298] panic+0x39d/0x940 [ 92.388515] ? kmsan_internal_check_memory+0x159/0x1e0 2018/06/04 22:44:12 executing program 2: [ 92.393793] kmsan_report+0x260/0x260 [ 92.397596] kmsan_internal_check_memory+0x179/0x1e0 [ 92.402700] kmsan_copy_to_user+0x75/0x160 [ 92.406935] vcs_read+0x18ba/0x1cc0 [ 92.410575] do_iter_read+0x87e/0xd70 [ 92.414376] ? vcs_lseek+0x470/0x470 [ 92.418095] do_readv+0x295/0x5f0 [ 92.421561] __x64_sys_readv+0xe1/0x120 [ 92.425542] do_syscall_64+0x152/0x230 [ 92.429436] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 92.434621] RIP: 0033:0x455a09 [ 92.437804] RSP: 002b:00007f4cc2ef6c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000013 [ 92.445515] RAX: ffffffffffffffda RBX: 00007f4cc2ef76d4 RCX: 0000000000455a09 [ 92.452778] RDX: 0000000000000001 RSI: 0000000020000000 RDI: 0000000000000013 [ 92.460047] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 92.467311] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 92.474578] R13: 000000000000056b R14: 00000000006fd2a8 R15: 0000000000000000 [ 92.482296] Dumping ftrace buffer: [ 92.485821] (ftrace buffer empty) [ 92.489508] Kernel Offset: disabled [ 92.493117] Rebooting in 86400 seconds..