INIT: Entering runlevel: 2 [info] Using makefile-style concurrent boot in runlevel 2. [....] 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[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.19' (ECDSA) to the list of known hosts. 2018/04/16 13:55:10 fuzzer started 2018/04/16 13:55:10 dialing manager at 10.128.0.26:41213 2018/04/16 13:55:17 kcov=true, comps=false 2018/04/16 13:55:19 executing program 0: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f000000eff0)={0x2, 0x4e21}, 0x10) listen(r0, 0x0) accept4(r0, &(0x7f0000000140)=@in={0x0, 0x0, @multicast1}, &(0x7f00000001c0)=0x80, 0x0) r1 = socket$inet(0x2, 0x80001, 0x0) connect$inet(r1, &(0x7f000024dff0)={0x2, 0x4e21, @remote={0xac, 0x14, 0x14, 0xbb}}, 0x10) 2018/04/16 13:55:19 executing program 1: mkdir(&(0x7f0000958000)='./file0\x00', 0x0) mount(&(0x7f0000a7aff8)='./file0\x00', &(0x7f0000bcc000)='./file0\x00', &(0x7f00008caff9)='mqueue\x00', 0x0, &(0x7f0000fcefff)) prctl$intptr(0x1c, 0x3f) execve(&(0x7f000065cff2)='./file0/file0\x00', &(0x7f0000000fd8), &(0x7f00003ceffc)) 2018/04/16 13:55:19 executing program 7: perf_event_open(&(0x7f000001d000)={0x200000002, 0x70, 0x6, 0x108000001, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_tcp(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f00000000c0)={0x2, 0x4e21, @multicast1=0xe0000001}, 0x10) sendto$inet(r0, &(0x7f0000000040), 0x0, 0x20020006, &(0x7f0000385ff0)={0x2, 0x20002000004e21, @loopback=0x7f000001}, 0x10) shutdown(r0, 0x1) 2018/04/16 13:55:19 executing program 4: 2018/04/16 13:55:19 executing program 5: 2018/04/16 13:55:19 executing program 2: perf_event_open(&(0x7f000001d000)={0x5, 0x78, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) pselect6(0x21, &(0x7f0000000000), &(0x7f0000000000), &(0x7f0000000040), &(0x7f0000000ff8), &(0x7f0000000ff8)={&(0x7f0000000ff8), 0x8}) 2018/04/16 13:55:19 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) r0 = syz_open_procfs(0x0, &(0x7f0000000040)='attr/exec\x00') preadv(r0, &(0x7f0000001340)=[{&(0x7f0000000300)=""/4096, 0x1000}], 0x1, 0x0) 2018/04/16 13:55:19 executing program 6: mmap(&(0x7f0000fc4000/0x1000)=nil, 0x1000, 0x3ffc, 0x32, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f0000000f88)={0x2, 0x1a0, 0x80}, 0x0, 0x0, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f0000fc3f8d)={0x0, 0x78}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syzkaller login: [ 44.155130] ip (3758) used greatest stack depth: 54440 bytes left [ 44.423659] ip (3782) used greatest stack depth: 54312 bytes left [ 44.612951] ip (3799) used greatest stack depth: 54072 bytes left [ 45.568565] ip (3891) used greatest stack depth: 53960 bytes left [ 45.839732] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.846262] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.888981] device bridge_slave_0 entered promiscuous mode [ 45.935711] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.942215] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.976009] device bridge_slave_0 entered promiscuous mode [ 46.008256] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.014721] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.033825] device bridge_slave_0 entered promiscuous mode [ 46.068346] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.074818] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.110269] device bridge_slave_1 entered promiscuous mode [ 46.132010] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.138481] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.148203] device bridge_slave_0 entered promiscuous mode [ 46.175250] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.181701] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.197909] device bridge_slave_0 entered promiscuous mode [ 46.208703] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.215172] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.232168] device bridge_slave_0 entered promiscuous mode [ 46.252080] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.258541] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.285093] device bridge_slave_1 entered promiscuous mode [ 46.294185] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.300651] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.312512] device bridge_slave_0 entered promiscuous mode [ 46.320194] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.326610] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.338570] device bridge_slave_0 entered promiscuous mode [ 46.345404] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.351901] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.369245] device bridge_slave_1 entered promiscuous mode [ 46.378751] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 46.387064] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.393504] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.425413] device bridge_slave_1 entered promiscuous mode [ 46.446291] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.452739] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.485169] device bridge_slave_1 entered promiscuous mode [ 46.495454] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 46.502774] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.509257] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.537009] device bridge_slave_1 entered promiscuous mode [ 46.557375] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.563849] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.580716] device bridge_slave_1 entered promiscuous mode [ 46.588994] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.595444] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.623443] device bridge_slave_1 entered promiscuous mode [ 46.634104] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 46.641637] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 46.656483] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 46.666532] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 46.674179] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 46.725716] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 46.746764] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 46.804968] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 46.842387] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 46.872931] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 46.882626] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 46.946651] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 46.954381] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 47.007320] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 47.643540] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 47.695809] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 47.779610] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 47.794609] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 47.845079] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 47.919090] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 47.928119] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 47.937502] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 47.958795] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 47.981695] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 48.008706] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 48.022751] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 48.123763] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 48.143509] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 48.170922] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 48.200287] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 48.776776] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 48.989508] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 49.009373] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 49.035903] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 49.045898] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 49.106819] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 49.116568] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 49.135223] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 49.205427] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 49.213309] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 49.222764] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 49.247821] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 49.259187] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 49.266663] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 49.280345] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 49.304343] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 49.323284] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 49.352615] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 49.406772] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 49.413976] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 49.425698] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 49.476233] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 49.483511] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 49.502121] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 49.532238] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 49.539762] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 49.553089] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 49.566952] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 49.590342] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 49.599418] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 49.607320] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 49.614349] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 49.651542] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 49.675303] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 49.692494] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 49.701078] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 49.709241] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 49.721553] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 49.736463] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 49.743743] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 49.760798] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 49.784846] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 49.810600] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 49.828440] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 49.836466] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 49.855751] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 49.867508] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 49.883951] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 49.892182] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 49.908395] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 49.927704] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 49.935815] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 49.943122] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 49.955607] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 49.994294] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 50.015756] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 50.025613] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 50.034426] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 50.043648] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 50.050723] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 50.059415] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 50.124390] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 50.131709] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 50.151714] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 51.838226] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.844719] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.851552] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.858074] bridge0: port 1(bridge_slave_0) entered forwarding state [ 51.902922] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 51.911162] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 52.114906] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.121403] bridge0: port 2(bridge_slave_1) entered forwarding state [ 52.128297] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.134764] bridge0: port 1(bridge_slave_0) entered forwarding state [ 52.164914] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 52.187853] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.194344] bridge0: port 2(bridge_slave_1) entered forwarding state [ 52.201223] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.207725] bridge0: port 1(bridge_slave_0) entered forwarding state [ 52.265543] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 52.272789] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.279235] bridge0: port 2(bridge_slave_1) entered forwarding state [ 52.286096] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.292522] bridge0: port 1(bridge_slave_0) entered forwarding state [ 52.302549] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 52.312439] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.318905] bridge0: port 2(bridge_slave_1) entered forwarding state [ 52.325732] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.332190] bridge0: port 1(bridge_slave_0) entered forwarding state [ 52.341668] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 52.359513] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.365961] bridge0: port 2(bridge_slave_1) entered forwarding state [ 52.372807] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.379246] bridge0: port 1(bridge_slave_0) entered forwarding state [ 52.476181] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 52.482949] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.489420] bridge0: port 2(bridge_slave_1) entered forwarding state [ 52.496279] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.502729] bridge0: port 1(bridge_slave_0) entered forwarding state [ 52.521243] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 52.543777] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.550254] bridge0: port 2(bridge_slave_1) entered forwarding state [ 52.557162] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.563620] bridge0: port 1(bridge_slave_0) entered forwarding state [ 52.629945] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 52.960727] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 52.979175] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 53.010621] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 53.034585] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 53.050945] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 53.058438] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 53.066226] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 61.172940] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 61.265805] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 61.352648] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 61.455897] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 61.618473] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 61.651273] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 61.835083] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 61.952836] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 61.959176] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.968500] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.993514] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 62.007214] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 62.024005] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.046165] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.165313] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 62.171592] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.182625] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.223421] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 62.231638] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.239736] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.496670] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 62.502961] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.517937] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.553215] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 62.559506] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.573602] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.642013] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 62.648376] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.661802] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.798966] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 62.805244] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.818597] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready 2018/04/16 13:55:45 executing program 4: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f000051f000)='./file0\x00', 0x40, 0x43e) execveat(r0, &(0x7f0000001ff8)='./file0\x00', &(0x7f0000000ff0), &(0x7f0000001fe4)=[&(0x7f0000000000)='/dev/vcs\x00', &(0x7f0000001000)="747275737465641e00", &(0x7f0000001fff)='\x00'], 0x1000) syz_open_dev$vcsn(&(0x7f0000000140)='/dev/vcs#\x00', 0x0, 0x0) 2018/04/16 13:55:46 executing program 4: perf_event_open(&(0x7f000001d000)={0x200000002, 0x70, 0x6, 0x108000001, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_icmp_raw(0x2, 0x3, 0x1) getsockopt$EBT_SO_GET_INFO(r0, 0x0, 0x80, &(0x7f0000000100)={"62726f7500000000000000000000fb36feffff7f00000000050100b900"}, &(0x7f00000000c0)=0x50) 2018/04/16 13:55:46 executing program 6: mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x0, 0x32, 0xffffffffffffffff, 0x0) r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000002ff0)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmsg$rds(r0, &(0x7f0000006fc8)={&(0x7f000001dff0)={0x2, 0x0, @multicast1=0xe0000001}, 0x10, &(0x7f0000004000), 0x0, &(0x7f0000003fb8)=ANY=[@ANYBLOB="480000000000000014010000010000000000000000000000", @ANYBLOB="ba00000000000000", @ANYBLOB="010000000000000000000000000000000000000000000000"], 0x38}, 0x0) 2018/04/16 13:55:46 executing program 5: r0 = socket$inet_udp(0x2, 0x2, 0x0) connect$inet(r0, &(0x7f0000000a00)={0x2, 0x0, @loopback=0x7f000001}, 0x10) sendmmsg(r0, &(0x7f00000009c0)=[{{0x0, 0x0, &(0x7f00000008c0), 0x0, &(0x7f0000000940)}}], 0x1, 0x0) 2018/04/16 13:55:46 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000001100)='/dev/ptmx\x00', 0x109, 0x0) ioctl$TCSETS(r0, 0x40045431, &(0x7f00003b9fdc)) r1 = syz_open_pts(r0, 0x0) ioctl$TCSETS(r0, 0x5402, &(0x7f0000000080)={0x0, 0x0, 0x0, 0xfffffffffffffffe}) write(r0, &(0x7f0000c34fff), 0xffffff0b) ioctl$FIONREAD(r1, 0x541b, &(0x7f0000001000)) 2018/04/16 13:55:46 executing program 6: r0 = socket$inet_tcp(0x2, 0x1, 0x0) r1 = syz_open_dev$tun(&(0x7f0000000200)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r1, 0x400454ca, &(0x7f0000000340)={'syzkaller0\x00', 0x412}) ioctl$sock_inet_SIOCSIFADDR(r0, 0x8916, &(0x7f0000000040)={'syzkaller0\x00', {0x2, 0x0, @remote={0xac, 0x14, 0x14, 0xbb}}}) ioctl$sock_inet_SIOCSIFNETMASK(r0, 0x891c, &(0x7f0000000080)={'syzkaller0\x00', {0x2, 0x0, @empty=0xffffffc0}}) 2018/04/16 13:55:46 executing program 7: r0 = socket$inet_udp(0x2, 0x2, 0x0) connect$inet(r0, &(0x7f0000000080)={0x2, 0x0, @remote={0xac, 0x14, 0x14, 0xbb}}, 0x10) r1 = memfd_create(&(0x7f0000000340)="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", 0x0) ftruncate(r1, 0x40001) sendfile(r0, r1, &(0x7f0000000040), 0x1) 2018/04/16 13:55:46 executing program 2: r0 = gettid() r1 = syz_open_dev$mice(&(0x7f0000002e00)='/dev/input/mice\x00', 0x0, 0x0) timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000044000)) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f0000040000)) readv(r1, &(0x7f0000000040)=[{&(0x7f0000422f69)=""/151, 0x97}], 0x1) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0xffffffffffffffff, 0x32, 0xffffffffffffffff, 0x0) tkill(r0, 0x1000000000015) [ 68.479810] TCP: request_sock_TCP: Possible SYN flooding on port 20001. Sending cookies. Check SNMP counters. [ 68.562290] ================================================================== [ 68.569724] BUG: KMSAN: uninit-value in csum_partial+0x78e/0x850 [ 68.575876] CPU: 0 PID: 5771 Comm: syz-executor7 Not tainted 4.16.0+ #84 [ 68.582710] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 68.592057] Call Trace: [ 68.594650] dump_stack+0x185/0x1d0 [ 68.598290] ? csum_partial+0x78e/0x850 [ 68.602272] kmsan_report+0x142/0x240 [ 68.606071] __msan_warning_32+0x6c/0xb0 [ 68.610139] csum_partial+0x78e/0x850 [ 68.613946] ? rcu_all_qs+0x32/0x1f0 [ 68.617664] ip_append_page+0xd3d/0x1f80 [ 68.621728] ? local_bh_enable+0x36/0x40 [ 68.625801] udp_sendpage+0x2d6/0x960 [ 68.629611] ? udplite_getfrag+0x100/0x100 [ 68.633845] inet_sendpage+0x4ea/0x8c0 [ 68.637733] ? inet_sendmsg+0x740/0x740 [ 68.641705] sock_sendpage+0x1de/0x2c0 [ 68.645600] pipe_to_sendpage+0x31b/0x430 [ 68.649751] ? sock_fasync+0x2b0/0x2b0 [ 68.653648] ? propagate_umount+0x3a30/0x3a30 [ 68.658143] __splice_from_pipe+0x49a/0xf30 [ 68.662463] ? generic_splice_sendpage+0x2a0/0x2a0 [ 68.667472] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 68.672837] generic_splice_sendpage+0x1c6/0x2a0 [ 68.677594] ? iter_file_splice_write+0x1710/0x1710 [ 68.682610] ? iter_file_splice_write+0x1710/0x1710 [ 68.687635] direct_splice_actor+0x19b/0x200 [ 68.692048] splice_direct_to_actor+0x764/0x1040 [ 68.696804] ? do_splice_direct+0x540/0x540 [ 68.701127] ? security_file_permission+0x28f/0x4b0 [ 68.706145] ? rw_verify_area+0x35e/0x580 [ 68.710300] do_splice_direct+0x335/0x540 [ 68.714457] do_sendfile+0x1067/0x1e40 [ 68.718363] SYSC_sendfile64+0x1b3/0x300 [ 68.722438] SyS_sendfile64+0x64/0x90 [ 68.726236] do_syscall_64+0x309/0x430 [ 68.730129] ? SYSC_sendfile+0x320/0x320 [ 68.734195] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 68.739383] RIP: 0033:0x455319 [ 68.742568] RSP: 002b:00007fc553bb1c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 [ 68.750281] RAX: ffffffffffffffda RBX: 00007fc553bb26d4 RCX: 0000000000455319 [ 68.757548] RDX: 0000000020000040 RSI: 0000000000000014 RDI: 0000000000000013 [ 68.764813] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 68.772079] R10: 0000000000000001 R11: 0000000000000246 R12: 00000000ffffffff [ 68.779347] R13: 00000000000004c6 R14: 00000000006fa330 R15: 0000000000000000 [ 68.786618] [ 68.788233] Uninit was created at: [ 68.791777] kmsan_alloc_meta_for_pages+0x161/0x3a0 [ 68.796798] kmsan_alloc_page+0x82/0xe0 [ 68.800771] __alloc_pages_nodemask+0xf5b/0x5dc0 [ 68.805525] alloc_pages_vma+0xcc8/0x1800 [ 68.809678] shmem_alloc_and_acct_page+0x6d5/0x1000 [ 68.814694] shmem_getpage_gfp+0x35db/0x5770 [ 68.819099] shmem_file_read_iter+0x508/0x1180 [ 68.823679] generic_file_splice_read+0x4e8/0x830 [ 68.828524] splice_direct_to_actor+0x4c6/0x1040 [ 68.833281] do_splice_direct+0x335/0x540 [ 68.837421] do_sendfile+0x1067/0x1e40 [ 68.841310] SYSC_sendfile64+0x1b3/0x300 [ 68.845378] SyS_sendfile64+0x64/0x90 [ 68.849173] do_syscall_64+0x309/0x430 [ 68.853062] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 68.858241] ================================================================== [ 68.865590] Disabling lock debugging due to kernel taint [ 68.871029] Kernel panic - not syncing: panic_on_warn set ... [ 68.871029] [ 68.878395] CPU: 0 PID: 5771 Comm: syz-executor7 Tainted: G B 4.16.0+ #84 [ 68.886526] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 68.895873] Call Trace: [ 68.898463] dump_stack+0x185/0x1d0 [ 68.902088] panic+0x39d/0x940 [ 68.905295] ? csum_partial+0x78e/0x850 [ 68.909262] kmsan_report+0x238/0x240 [ 68.913061] __msan_warning_32+0x6c/0xb0 [ 68.917129] csum_partial+0x78e/0x850 [ 68.920928] ? rcu_all_qs+0x32/0x1f0 [ 68.924644] ip_append_page+0xd3d/0x1f80 [ 68.928702] ? local_bh_enable+0x36/0x40 [ 68.932771] udp_sendpage+0x2d6/0x960 [ 68.936578] ? udplite_getfrag+0x100/0x100 [ 68.940809] inet_sendpage+0x4ea/0x8c0 [ 68.944696] ? inet_sendmsg+0x740/0x740 [ 68.948669] sock_sendpage+0x1de/0x2c0 [ 68.952558] pipe_to_sendpage+0x31b/0x430 [ 68.956702] ? sock_fasync+0x2b0/0x2b0 [ 68.960591] ? propagate_umount+0x3a30/0x3a30 [ 68.965083] __splice_from_pipe+0x49a/0xf30 [ 68.969411] ? generic_splice_sendpage+0x2a0/0x2a0 [ 68.974363] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 68.979744] generic_splice_sendpage+0x1c6/0x2a0 [ 68.984505] ? iter_file_splice_write+0x1710/0x1710 [ 68.989519] ? iter_file_splice_write+0x1710/0x1710 [ 68.994534] direct_splice_actor+0x19b/0x200 [ 68.998949] splice_direct_to_actor+0x764/0x1040 [ 69.003701] ? do_splice_direct+0x540/0x540 [ 69.008026] ? security_file_permission+0x28f/0x4b0 [ 69.013044] ? rw_verify_area+0x35e/0x580 [ 69.017194] do_splice_direct+0x335/0x540 [ 69.021431] do_sendfile+0x1067/0x1e40 [ 69.025328] SYSC_sendfile64+0x1b3/0x300 [ 69.029393] SyS_sendfile64+0x64/0x90 [ 69.033190] do_syscall_64+0x309/0x430 [ 69.037078] ? SYSC_sendfile+0x320/0x320 [ 69.041139] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 69.046318] RIP: 0033:0x455319 [ 69.049499] RSP: 002b:00007fc553bb1c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 [ 69.057201] RAX: ffffffffffffffda RBX: 00007fc553bb26d4 RCX: 0000000000455319 [ 69.064466] RDX: 0000000020000040 RSI: 0000000000000014 RDI: 0000000000000013 [ 69.071729] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 69.078994] R10: 0000000000000001 R11: 0000000000000246 R12: 00000000ffffffff [ 69.086259] R13: 00000000000004c6 R14: 00000000006fa330 R15: 0000000000000000 [ 69.093940] Dumping ftrace buffer: [ 69.097470] (ftrace buffer empty) [ 69.101155] Kernel Offset: disabled [ 69.104761] Rebooting in 86400 seconds..