[....] 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[ 30.450768] random: sshd: uninitialized urandom read (32 bytes read) [?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 34.130335] random: sshd: uninitialized urandom read (32 bytes read) [ 34.700401] random: sshd: uninitialized urandom read (32 bytes read) [ 35.957250] random: sshd: uninitialized urandom read (32 bytes read) Warning: Permanently added '10.128.0.50' (ECDSA) to the list of known hosts. [ 41.464090] random: sshd: uninitialized urandom read (32 bytes read) 2018/05/15 19:46:53 fuzzer started 2018/05/15 19:46:54 dialing manager at 10.128.0.26:39577 [ 62.460741] can: request_module (can-proto-0) failed. [ 62.471537] can: request_module (can-proto-0) failed. 2018/05/15 19:47:16 kcov=true, comps=false 2018/05/15 19:47:18 executing program 0: r0 = socket$inet6(0xa, 0x2, 0x0) r1 = socket(0xa, 0x1, 0x0) ioctl(r1, 0x8912, &(0x7f0000000240)="c626262c8523bf012cf66f") connect$inet6(r0, &(0x7f0000000040)={0xa, 0x0, 0x0, @mcast1={0xff, 0x1, [], 0x1}, 0x4}, 0x1c) setsockopt$inet6_mtu(r0, 0x29, 0x4a, &(0x7f0000000080), 0xb6e7d10d529ef8d7) 2018/05/15 19:47:18 executing program 2: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7ffffffffffb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_open_procfs(0x0, &(0x7f0000000600)="2f65786500000000000409004bddd9de91be10eebf000ee9a90f798058439ed554fa07424adee901d2da75af1f0200f5ab26d7a071fb35331ce39c5a") 2018/05/15 19:47:18 executing program 7: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) ioctl$int_out(r0, 0x2, &(0x7f0000000180)) 2018/05/15 19:47:18 executing program 3: perf_event_open(&(0x7f000001d000)={0x200000002, 0x70, 0x5, 0x108000001, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) sync() 2018/05/15 19:47:18 executing program 5: r0 = socket$inet6(0xa, 0x2, 0x0) r1 = socket(0xa, 0x1, 0x0) ioctl(r1, 0x8912, &(0x7f0000000240)="c626262c8523bf012cf66f") connect$inet6(r0, &(0x7f0000000040)={0xa, 0x0, 0x0, @mcast1={0xff, 0x1, [], 0x1}, 0x4}, 0x1c) setsockopt$inet6_mtu(r0, 0x29, 0x31, &(0x7f0000000080), 0xb6e7d10d529ef8d7) 2018/05/15 19:47:18 executing program 4: r0 = memfd_create(&(0x7f0000000580)='dev ', 0x0) sendfile(r0, r0, &(0x7f0000001000), 0x0) sendfile(r0, r0, 0x0, 0x0) 2018/05/15 19:47:19 executing program 6: mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x4, 0x32, 0xffffffffffffffff, 0x0) r0 = userfaultfd(0x0) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000000040)={0xaa}) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000ee3fe0)={{&(0x7f0000012000/0x2000)=nil, 0x2000}, 0x1}) r1 = syz_open_dev$evdev(&(0x7f0000000000)='/dev/input/event#\x00', 0x0, 0x0) ioctl$EVIOCGMTSLOTS(r1, 0x400445a0, &(0x7f0000013000)) close(r0) 2018/05/15 19:47:19 executing program 1: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x5}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)=@newspdinfo={0x1c, 0x24, 0x211, 0x0, 0x0, 0x0, [@ipv4_hthresh={0x8, 0x4}]}, 0x1c}, 0x1}, 0x0) [ 67.729304] IPVS: ftp: loaded support on port[0] = 21 [ 67.791205] IPVS: ftp: loaded support on port[0] = 21 [ 67.834622] IPVS: ftp: loaded support on port[0] = 21 [ 67.841244] IPVS: ftp: loaded support on port[0] = 21 [ 67.858389] IPVS: ftp: loaded support on port[0] = 21 [ 67.868713] IPVS: ftp: loaded support on port[0] = 21 [ 67.882597] IPVS: ftp: loaded support on port[0] = 21 [ 67.916894] IPVS: ftp: loaded support on port[0] = 21 [ 69.457547] ip (4671) used greatest stack depth: 54392 bytes left [ 69.744412] ip (4695) used greatest stack depth: 53912 bytes left [ 70.987389] ip (4798) used greatest stack depth: 53784 bytes left [ 71.006626] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.013491] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.056316] device bridge_slave_0 entered promiscuous mode [ 71.146094] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.152589] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.205983] device bridge_slave_0 entered promiscuous mode [ 71.231866] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.238332] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.267125] device bridge_slave_0 entered promiscuous mode [ 71.287093] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.293542] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.302855] device bridge_slave_0 entered promiscuous mode [ 71.312362] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.318805] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.345460] device bridge_slave_0 entered promiscuous mode [ 71.354951] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.361378] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.380214] device bridge_slave_0 entered promiscuous mode [ 71.395810] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.402271] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.415990] device bridge_slave_1 entered promiscuous mode [ 71.427361] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.433780] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.443452] device bridge_slave_0 entered promiscuous mode [ 71.455398] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.461856] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.472543] device bridge_slave_0 entered promiscuous mode [ 71.490124] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.496536] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.513857] device bridge_slave_1 entered promiscuous mode [ 71.521530] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.527962] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.556894] device bridge_slave_1 entered promiscuous mode [ 71.565810] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.572260] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.582646] device bridge_slave_1 entered promiscuous mode [ 71.589741] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.596146] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.606823] device bridge_slave_1 entered promiscuous mode [ 71.622590] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.629079] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.656609] device bridge_slave_1 entered promiscuous mode [ 71.677412] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 71.689642] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 71.696787] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.703272] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.723852] device bridge_slave_1 entered promiscuous mode [ 71.741425] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.747861] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.766191] device bridge_slave_1 entered promiscuous mode [ 71.794544] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 71.803783] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 71.811785] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 71.822197] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 71.833551] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 71.868614] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 71.933452] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 71.980466] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 71.992640] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 72.006605] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 72.017112] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 72.045255] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 72.154769] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 72.213630] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 72.485279] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 72.520814] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 72.592959] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 72.604890] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 72.667391] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 72.693794] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 72.710840] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 72.726491] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 72.770572] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 72.802300] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 72.828429] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 72.849112] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 72.926847] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 72.937765] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 73.003314] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 73.010301] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 73.041461] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 73.052382] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 73.065271] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 73.090423] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 73.098818] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 73.106475] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 73.145181] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 73.152167] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 73.163506] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 73.170914] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 73.180710] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 73.225081] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 73.272085] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 73.279161] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 73.293442] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 73.300424] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 73.351548] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 73.360467] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 73.381660] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 73.394484] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 73.409589] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 73.427596] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 73.434588] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 73.457465] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 73.510977] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 73.517933] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 73.664255] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 73.671274] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 73.786229] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 73.809219] team0: Port device team_slave_0 added [ 73.835109] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 73.849646] team0: Port device team_slave_0 added [ 73.946325] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 73.969978] team0: Port device team_slave_0 added [ 73.998742] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 74.017615] team0: Port device team_slave_0 added [ 74.067799] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 74.093850] team0: Port device team_slave_1 added [ 74.100479] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 74.110975] team0: Port device team_slave_0 added [ 74.117358] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 74.131345] team0: Port device team_slave_1 added [ 74.145833] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 74.171004] team0: Port device team_slave_0 added [ 74.183412] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 74.193737] team0: Port device team_slave_0 added [ 74.207906] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 74.232849] team0: Port device team_slave_1 added [ 74.251532] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 74.262824] team0: Port device team_slave_1 added [ 74.285884] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 74.293779] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 74.305365] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 74.328505] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 74.342172] team0: Port device team_slave_0 added [ 74.362461] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 74.381478] team0: Port device team_slave_1 added [ 74.407628] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 74.415736] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 74.431780] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 74.457344] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 74.464598] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 74.472862] team0: Port device team_slave_1 added [ 74.483699] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 74.498301] team0: Port device team_slave_1 added [ 74.503445] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 74.517184] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 74.542664] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 74.550585] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 74.573645] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 74.594144] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 74.606854] team0: Port device team_slave_1 added [ 74.618113] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 74.625474] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 74.639509] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 74.661550] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 74.668585] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 74.693512] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 74.724775] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 74.735501] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 74.751103] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 74.769558] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 74.778265] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 74.786670] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 74.793954] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 74.806475] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 74.830206] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 74.850003] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 74.869832] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 74.902279] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 74.912403] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 74.920137] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 74.927857] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 74.936343] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 74.943699] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 74.952229] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 74.961507] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 74.968853] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 74.986454] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 75.009701] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 75.020082] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 75.028506] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 75.045812] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 75.066652] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 75.084865] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 75.095005] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 75.104274] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 75.113366] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 75.120878] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 75.143446] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 75.151811] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 75.168262] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 75.200941] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 75.226173] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 75.246914] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 75.262227] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 75.283698] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 75.292482] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 75.300673] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 75.308370] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 75.316490] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 75.329280] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 75.346381] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 75.358277] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 75.366572] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 75.379792] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 75.407844] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 75.424010] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 75.437573] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 75.446620] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 75.458521] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 75.478752] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 75.487229] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 75.497449] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 75.506431] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 75.528507] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 75.554631] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 75.583251] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 75.600582] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 75.615987] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 75.628439] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 75.636646] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 75.663731] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 75.671426] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 75.680952] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 75.691568] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 75.708155] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 75.720629] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 75.738549] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 75.777508] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 75.811116] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 75.825825] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 75.833498] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 75.844931] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 77.589548] bridge0: port 2(bridge_slave_1) entered blocking state [ 77.596013] bridge0: port 2(bridge_slave_1) entered forwarding state [ 77.602820] bridge0: port 1(bridge_slave_0) entered blocking state [ 77.609263] bridge0: port 1(bridge_slave_0) entered forwarding state [ 77.619956] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 77.630708] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 77.815532] bridge0: port 2(bridge_slave_1) entered blocking state [ 77.821975] bridge0: port 2(bridge_slave_1) entered forwarding state [ 77.828764] bridge0: port 1(bridge_slave_0) entered blocking state [ 77.835181] bridge0: port 1(bridge_slave_0) entered forwarding state [ 77.850772] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 77.872624] bridge0: port 2(bridge_slave_1) entered blocking state [ 77.879088] bridge0: port 2(bridge_slave_1) entered forwarding state [ 77.885865] bridge0: port 1(bridge_slave_0) entered blocking state [ 77.892543] bridge0: port 1(bridge_slave_0) entered forwarding state [ 77.914842] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 77.933510] bridge0: port 2(bridge_slave_1) entered blocking state [ 77.939934] bridge0: port 2(bridge_slave_1) entered forwarding state [ 77.946733] bridge0: port 1(bridge_slave_0) entered blocking state [ 77.953152] bridge0: port 1(bridge_slave_0) entered forwarding state [ 77.972626] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 77.995569] bridge0: port 2(bridge_slave_1) entered blocking state [ 78.002007] bridge0: port 2(bridge_slave_1) entered forwarding state [ 78.008829] bridge0: port 1(bridge_slave_0) entered blocking state [ 78.015266] bridge0: port 1(bridge_slave_0) entered forwarding state [ 78.074894] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 78.081789] bridge0: port 2(bridge_slave_1) entered blocking state [ 78.088247] bridge0: port 2(bridge_slave_1) entered forwarding state [ 78.095093] bridge0: port 1(bridge_slave_0) entered blocking state [ 78.101507] bridge0: port 1(bridge_slave_0) entered forwarding state [ 78.117340] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 78.158553] bridge0: port 2(bridge_slave_1) entered blocking state [ 78.165008] bridge0: port 2(bridge_slave_1) entered forwarding state [ 78.171818] bridge0: port 1(bridge_slave_0) entered blocking state [ 78.178237] bridge0: port 1(bridge_slave_0) entered forwarding state [ 78.250162] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 78.258289] bridge0: port 2(bridge_slave_1) entered blocking state [ 78.264730] bridge0: port 2(bridge_slave_1) entered forwarding state [ 78.271515] bridge0: port 1(bridge_slave_0) entered blocking state [ 78.277944] bridge0: port 1(bridge_slave_0) entered forwarding state [ 78.298321] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 78.689736] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 78.703449] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 78.723800] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 78.736854] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 78.744168] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 78.751690] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 78.759525] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 86.141876] 8021q: adding VLAN 0 to HW filter on device bond0 [ 86.300195] 8021q: adding VLAN 0 to HW filter on device bond0 [ 86.347114] 8021q: adding VLAN 0 to HW filter on device bond0 [ 86.377817] 8021q: adding VLAN 0 to HW filter on device bond0 [ 86.405829] 8021q: adding VLAN 0 to HW filter on device bond0 [ 86.439586] 8021q: adding VLAN 0 to HW filter on device bond0 [ 86.616467] 8021q: adding VLAN 0 to HW filter on device bond0 [ 86.651454] 8021q: adding VLAN 0 to HW filter on device bond0 [ 86.865651] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 87.090585] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 87.102497] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 87.149829] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 87.236429] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 87.309214] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 87.387469] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 87.503345] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 87.686847] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 87.693497] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 87.707711] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 87.789114] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 87.795436] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 87.807491] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 87.933351] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 87.945744] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 87.956805] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 87.998963] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 88.005308] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 88.017380] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 88.096898] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 88.103231] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 88.115791] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 88.209104] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 88.227481] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 88.238982] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 88.303465] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 88.309800] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 88.321888] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 88.359869] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 88.378300] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 88.405564] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 88.564396] 8021q: adding VLAN 0 to HW filter on device team0 [ 88.660469] 8021q: adding VLAN 0 to HW filter on device team0 [ 88.813317] 8021q: adding VLAN 0 to HW filter on device team0 [ 88.872274] 8021q: adding VLAN 0 to HW filter on device team0 [ 88.893303] 8021q: adding VLAN 0 to HW filter on device team0 [ 89.082645] 8021q: adding VLAN 0 to HW filter on device team0 [ 89.118748] 8021q: adding VLAN 0 to HW filter on device team0 [ 89.159148] 8021q: adding VLAN 0 to HW filter on device team0 2018/05/15 19:47:45 executing program 1: openat$dsp(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/dsp\x00', 0x0, 0x0) ioctl$EVIOCGKEYCODE_V2(0xffffffffffffffff, 0x80284504, &(0x7f0000000480)=""/71) r0 = syz_open_dev$evdev(&(0x7f0000000000)='/dev/input/event#\x00', 0x0, 0x0) ioctl$EVIOCGRAB(r0, 0x40044590, &(0x7f0000000080)) close(r0) close(0xffffffffffffffff) 2018/05/15 19:47:46 executing program 0: r0 = socket$inet6(0xa, 0x2000000802, 0x0) setsockopt$inet6_opts(r0, 0x29, 0x37, &(0x7f0000000180)=@srh={0x0, 0x0, 0x4}, 0x8) sendmsg(r0, &(0x7f0000000000)={&(0x7f0000000100)=@in6={0xa, 0x4e24, 0x0, @dev={0xfe, 0x80}}, 0x80, &(0x7f0000000180), 0x0, &(0x7f0000000200)}, 0x0) 2018/05/15 19:47:46 executing program 1: openat$dsp(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/dsp\x00', 0x0, 0x0) ioctl$EVIOCGKEYCODE_V2(0xffffffffffffffff, 0x80284504, &(0x7f0000000480)=""/71) r0 = syz_open_dev$evdev(&(0x7f0000000000)='/dev/input/event#\x00', 0x0, 0x0) ioctl$EVIOCGRAB(r0, 0x40044590, &(0x7f0000000080)) close(r0) close(0xffffffffffffffff) 2018/05/15 19:47:46 executing program 2: r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f0000000000)={&(0x7f0000a4c000)={0x10, 0xf0}, 0xc, &(0x7f0000000040)={&(0x7f00002a0e50)={0x18, 0x2c, 0x3, 0x0, 0x0, {0x400002}, [@nested={0x4}]}, 0x18}, 0x1}, 0x0) 2018/05/15 19:47:46 executing program 3: perf_event_open(&(0x7f000001d000)={0x200000002, 0x70, 0x5, 0x108000001, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) sync() 2018/05/15 19:47:46 executing program 4: r0 = creat(&(0x7f0000001380)='./file0\x00', 0x0) write$cgroup_type(r0, &(0x7f0000000000)='threaded\x00', 0xa136fd75) 2018/05/15 19:47:46 executing program 7: r0 = socket(0x1e, 0x4, 0x0) recvmsg(r0, &(0x7f0000000380)={&(0x7f0000000180)=@pppol2tpv3in6={0x0, 0x0, {0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, {0x0, 0x0, 0x0, @mcast1}}}, 0x80, &(0x7f0000000200)=[{&(0x7f0000000280)=""/99, 0x63}], 0x1, &(0x7f0000000300)=""/77, 0x4d}, 0x0) setsockopt$packet_tx_ring(r0, 0x10f, 0x87, &(0x7f0000000040)=@req={0x80, 0x0, 0x3, 0x73d}, 0xe1) sendto$inet6(r0, &(0x7f0000000000)="84", 0x1, 0x0, 0x0, 0x0) 2018/05/15 19:47:46 executing program 6: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f000067efe4)={0xa, 0x4e20}, 0x1c) sendto$inet6(r0, &(0x7f00005a0fff)='8', 0x1, 0x0, &(0x7f00007bcfe4)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) writev(r0, &(0x7f00006d6000)=[{&(0x7f0000000000)='3', 0x1}], 0x1) setsockopt$sock_int(r0, 0x1, 0x7, &(0x7f0000f0cffc), 0x4) writev(r0, &(0x7f0000000340)=[{&(0x7f0000000680)="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", 0x601}], 0x1) 2018/05/15 19:47:46 executing program 5: r0 = socket$inet_udp(0x2, 0x2, 0x0) setsockopt$IPT_SO_SET_ADD_COUNTERS(r0, 0x0, 0x41, &(0x7f0000000000)=ANY=[@ANYBLOB="6d616e670080000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000000000000000000"], 0x1) 2018/05/15 19:47:46 executing program 2: r0 = socket$inet_udp(0x2, 0x2, 0x0) setsockopt$IPT_SO_SET_ADD_COUNTERS(r0, 0x0, 0x41, &(0x7f0000000000)={'mangle\x00', 0x2, [{}, {}]}, 0x44) 2018/05/15 19:47:46 executing program 1: openat$dsp(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/dsp\x00', 0x0, 0x0) ioctl$EVIOCGKEYCODE_V2(0xffffffffffffffff, 0x80284504, &(0x7f0000000480)=""/71) r0 = syz_open_dev$evdev(&(0x7f0000000000)='/dev/input/event#\x00', 0x0, 0x0) ioctl$EVIOCGRAB(r0, 0x40044590, &(0x7f0000000080)) close(r0) close(0xffffffffffffffff) 2018/05/15 19:47:46 executing program 3: perf_event_open(&(0x7f000001d000)={0x200000002, 0x70, 0x5, 0x108000001, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) sync() [ 95.511006] ================================================================== [ 95.518419] BUG: KMSAN: uninit-value in move_addr_to_user+0x32e/0x530 [ 95.524980] CPU: 0 PID: 6618 Comm: syz-executor7 Not tainted 4.17.0-rc3+ #93 [ 95.532143] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 95.541475] Call Trace: [ 95.544049] dump_stack+0x185/0x1d0 [ 95.547658] ? kmsan_internal_check_memory+0x116/0x1e0 [ 95.552920] kmsan_report+0x142/0x240 [ 95.556712] kmsan_internal_check_memory+0x135/0x1e0 [ 95.561798] kmsan_copy_to_user+0x75/0x160 [ 95.566014] move_addr_to_user+0x32e/0x530 [ 95.570228] ___sys_recvmsg+0x4e2/0x810 [ 95.574441] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 95.579785] ? __fget_light+0x6b9/0x710 [ 95.583749] __x64_sys_recvmsg+0x325/0x460 [ 95.587970] do_syscall_64+0x154/0x220 [ 95.591840] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 95.597004] RIP: 0033:0x455a09 [ 95.600172] RSP: 002b:00007f1e7bc80c68 EFLAGS: 00000246 ORIG_RAX: 000000000000002f [ 95.607858] RAX: ffffffffffffffda RBX: 00007f1e7bc816d4 RCX: 0000000000455a09 [ 95.615105] RDX: 0000000000000000 RSI: 0000000020000380 RDI: 0000000000000013 [ 95.622363] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 95.629625] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 95.636880] R13: 0000000000000549 R14: 00000000006fbf78 R15: 0000000000000000 [ 95.644136] [ 95.645747] Local variable description: ----addr@___sys_recvmsg [ 95.651779] Variable was created at: [ 95.655480] ___sys_recvmsg+0xd5/0x810 [ 95.659350] __x64_sys_recvmsg+0x325/0x460 [ 95.663557] [ 95.665187] Byte 19 of 32 is uninitialized [ 95.669397] ================================================================== [ 95.676735] Disabling lock debugging due to kernel taint [ 95.682166] Kernel panic - not syncing: panic_on_warn set ... [ 95.682166] [ 95.689516] CPU: 0 PID: 6618 Comm: syz-executor7 Tainted: G B 4.17.0-rc3+ #93 [ 95.698068] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 95.707403] Call Trace: [ 95.709980] dump_stack+0x185/0x1d0 [ 95.713597] panic+0x39d/0x940 [ 95.716792] ? kmsan_internal_check_memory+0x116/0x1e0 [ 95.722057] kmsan_report+0x238/0x240 [ 95.725848] kmsan_internal_check_memory+0x135/0x1e0 [ 95.730940] kmsan_copy_to_user+0x75/0x160 [ 95.735160] move_addr_to_user+0x32e/0x530 [ 95.739381] ___sys_recvmsg+0x4e2/0x810 [ 95.743342] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 95.748687] ? __fget_light+0x6b9/0x710 [ 95.752649] __x64_sys_recvmsg+0x325/0x460 [ 95.756871] do_syscall_64+0x154/0x220 [ 95.760746] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 95.765915] RIP: 0033:0x455a09 [ 95.769085] RSP: 002b:00007f1e7bc80c68 EFLAGS: 00000246 ORIG_RAX: 000000000000002f [ 95.776777] RAX: ffffffffffffffda RBX: 00007f1e7bc816d4 RCX: 0000000000455a09 [ 95.784035] RDX: 0000000000000000 RSI: 0000000020000380 RDI: 0000000000000013 [ 95.791293] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 95.798547] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 95.805800] R13: 0000000000000549 R14: 00000000006fbf78 R15: 0000000000000000 [ 95.813517] Dumping ftrace buffer: [ 95.817040] (ftrace buffer empty) [ 95.820725] Kernel Offset: disabled [ 95.824330] Rebooting in 86400 seconds..