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 '10.128.10.1' (ECDSA) to the list of known hosts. 2018/04/13 00:05:06 fuzzer started 2018/04/13 00:05:07 dialing manager at 10.128.0.26:44405 2018/04/13 00:05:13 kcov=true, comps=false 2018/04/13 00:05:15 executing program 0: socket$key(0xf, 0x3, 0x2) r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f000052f000)={0xa, 0x0, 0x0, @mcast2={0xff, 0x2, [], 0x1}, 0x7}, 0x1c) setsockopt$inet6_IPV6_XFRM_POLICY(r0, 0x29, 0x23, &(0x7f0000c9af18)={{{@in=@rand_addr, @in6=@dev={0xfe, 0x80}, 0x0, 0x0, 0x0, 0x0, 0xa}, {}, {}, 0x0, 0x0, 0x1}, {{@in=@multicast2=0xe0000002, 0x0, 0x33}, 0x0, @in6=@ipv4={[], [0xff, 0xff], @remote={0xac, 0x14, 0xffffffffffffffff, 0xbb}}, 0x0, 0x0, 0x0, 0x2430}}, 0xe8) socket$key(0xf, 0x3, 0x2) sendmsg(r0, &(0x7f00000024c0)={0x0, 0x0, &(0x7f0000002400)}, 0x0) 2018/04/13 00:05:15 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000080)={0x26, 'skcipher\x00', 0x0, 0x0, 'xts(ecb-camellia-asm)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f0000ff8000)="0a0775b005e381e5b3b60ced5c54dbb7295df0df8217ad4000000000000000e6", 0x20) r1 = accept$alg(r0, 0x0, 0x0) sendmmsg$alg(r1, &(0x7f0000008e00)=[{0x0, 0x0, &(0x7f0000002640)=[{&(0x7f0000001340)="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", 0xd5c}, {&(0x7f0000002340)="d3fdf86c0dfaa26cdf77970d084b4b7ed4c6a144adc87f2d3650c568ab22a9e5d468bb22a37e56d90eeb84c1303c92f0a6391a6d4b1f731b7eb675a3a6e784a09ae8f716cbe18bf73b98191ad389f3bce10cd66c8b66b05d2526310d2dd782f490ea4bdfd20b69478d9f9827e51297be7c5cd20402edfb26a13031fdd02ac9f6f5371f68bc10b0146de596b02185609057c108e50abc2831a1019a20825403da989b5a80530a430472cfff96cc252d8cc12269696a7a02e3365a90ee396254af7b9d6796131c6a2ec2ba4ab0f72dcb3b300a65e43cf58d9210d6fb0f7e1b8c2374", 0xe1}, {&(0x7f0000000100)="0ce4661aefe580a1f04918771e61d2d84801ac48aafc01", 0x17}, {&(0x7f0000002500)}], 0x4, &(0x7f00000047c0)=[@op={0x18, 0x117, 0x3, 0x1}, @assoc={0x18, 0x117, 0x4, 0x4}, @op={0x18, 0x117, 0x3, 0x1}], 0x48, 0x4c004}, {0x0, 0x0, &(0x7f0000005e80)=[{&(0x7f0000004840)="0279ba65e483b3f66aed5c83cb047d6250c455b2cd20cc459706fc56d3b4d1495f8f8f4b3fed1de795d794fc329fc3c132648edde6c3ef58e9cc0a7146ad32187893db915cbfc11bdd80d06564d97af1b2b77e6b2047261439cbbff0e7d2c097d64df1ceeb1cf2ce7328a1f1a0a5cd1e34a5c909c52b7f86e150eb16c977020a02b84ab87488f61b9d5d5404d3cbc4b3e22cba8c669e38e37170e5a0ef", 0x9d}, {&(0x7f0000004980)="3d725efa7b86014033383239843e7da164c9f6d7be0e70bbccd3c0914d2951fc9b54859d5f83048dd8718dac6d3ada221c5f2f16dfb6df6c337a8d6e0ab7aef2e1e7eff45af6fd100b1554a8656469dce100b29133d6b61899fca1cf607ae87aa8e1232b454c89c5c146b9e2e98125ac8a652533b2952d6d1c9b8faa0045757001df8a05dc9b812fa2c1fc882acaccbfa647299fb3c8b7b0590fb0f55dc393f8860f932679e359cac06688485826fb0c70ffddf725348f41cffa9d86151441ef86f72af5a53c789c6670d33e9d80d74e9f48f54e9af11b1ce43da4", 0xdb}, {&(0x7f0000004a80)="7758d0fd279e45c9962ace85b1aa26c5e62ce448b7dcf52ed5fa88ed49ee1ad64f749245b0ac9edd61c88b4ff1175f02ea29f622499951e25fc2cf28f831622355bed5a28c605127411debb490acd99a4849d29fcd5aecd80342c1dbb9ea8b3e7cab9e669d77909ae7e9f1382ff87d31714d5dcbcd8a0c76fe355eb9ade5e0bf320d3c7548b161963a445c3f7789e914e8ec97b84d1c7dc59180dad4abfcd15e9bf8e5081a42d98d406442d19f2641f94d66bdcd3c297bba45e711c866d34fe9573fbe5b904f4b76403996f3671050c1ae466924b9dd4e928c2b7a98dd8145be6a6f9945eb9e47a11a824d5b", 0xec}, {&(0x7f0000005b80)="98c87fbfa4703725529fec717d4801d50e2ce43892706eef8ed19ccd7b263b4bb982508581614129f8c1332e17ff79c0c6d3de13c0299e3ccd159b8775b9f8b4acb60cbd15e4471dfa0497bc762e84f7113da16c213f78f4483236252275481880c0a0a977fbb290b6e51aeb0da326c6d5bc3a0a9f1f419ce9389079cbdcbc13e8965a232d09e9c6cf9c9b37cc4f0e195f79b440a488ff", 0x97}, {&(0x7f0000005cc0)="befe07bb0c767e4412be063b2044e7cf549c46904ad623fa01325f524f25e0b3aa1530a5a02b5d18d9a489e0e13ddc5513939faa58e1b248e8303db0e5c50457b5fb6642749b7b9a2142bb315a50e54650e39f7fef0bf9a5cb51f6e7d3745066fe4caf2fa6f56e2c044839b626b8a150a133815a6b2e5039fcf103a94e9dccb61788aa4175e2b2121e240ea166f0ede6d7417bb418f64cb4949366335ba67bbb97309c02cb7b52f24fd580dd8a26", 0xae}], 0x5, 0x0, 0x0, 0x10}, {0x0, 0x0, &(0x7f00000072c0)=[{&(0x7f0000005f40)="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0x1000}, {&(0x7f0000003740)="f2c7f01a02d1619e1557a83fcc36101924db104d31311f654af8befcd1d6fe0ee8", 0x21}, {&(0x7f00000070c0)="e4cb3f5d5b19dbc7da899be719d0c08883aacff637e10476c3a948293c612b6f8ce1b76e80145268d6e5db7d8bff5caa3de6fb2558fcdc281fb19a67f018ef7d42c6b7b6904490ce9b92eec4dc1716ead645c65c46c5b04c34a10fe9c56c97a9ae2c6be086dd6fd6c0fc74fbb59e1c906bd2e624bdaaadcc16b6d2af6d4393cc71fdf394a5f49577e0b17efccc1fba2a472d9d2f36b663343898f07025b0822e14d72d983ab6f61ee703f9865f4d3ac7a95435968e50c72911ff431d69e965ce40f07e90addad4852051bb2dd5eeb807a08adb", 0xd3}], 0x3, 0x0, 0x0, 0x4000000}, {0x0, 0x0, &(0x7f0000007440)=[{&(0x7f0000007340)="28e636a43ffe67073442c33e19a920d6d7772eb12e4c", 0x16}], 0x1, &(0x7f0000008fc0)=ANY=[@ANYBLOB="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"], 0x27a, 0x4c800}], 0x4, 0x80) recvmsg(r1, &(0x7f0000003780)={&(0x7f0000000000)=@pppol2tpin6={0x0, 0x0, {0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, {0x0, 0x0, 0x0, @mcast2}}}, 0x80, &(0x7f0000003700)=[{&(0x7f0000000140)=""/5, 0x2000}, {&(0x7f0000000200)=""/15, 0xf}, {&(0x7f0000002700)=""/4096, 0x1000}], 0x3, &(0x7f0000000240)=""/5, 0x5}, 0x0) 2018/04/13 00:05:15 executing program 7: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000040)='./cgroup.cpu\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000100)='cpuset.cpus\x00', 0x2, 0x0) sendfile(r1, r1, &(0x7f0000000080), 0x3) mkdirat$cgroup(r0, &(0x7f0000000000)='syz1\x00', 0x1ff) 2018/04/13 00:05:15 executing program 1: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) r0 = userfaultfd(0x0) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000002000)={0xaa}) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000001000)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r1 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_mreqsrc(r1, 0x0, 0x28, &(0x7f0000013ff4)={@dev={0xac, 0x14}, @loopback=0x7f000001, @local={0xac, 0x14, 0xffffffffffffffff, 0xaa}}, 0xc) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x2, 0x32, 0xffffffffffffffff, 0x0) ioctl$UFFDIO_ZEROPAGE(r0, 0x8010aa02, &(0x7f00000c0ff0)={&(0x7f0000011000/0x3000)=nil, 0x3000}) 2018/04/13 00:05:15 executing program 3: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x82) ioctl$LOOP_CLR_FD(r0, 0x4c01) ftruncate(0xffffffffffffffff, 0x34800) ioctl$LOOP_SET_FD(r0, 0x4c00, 0xffffffffffffffff) ioctl$KDSETMODE(0xffffffffffffffff, 0x4b3a, 0x1) 2018/04/13 00:05:15 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000240)='./cgroup.cpu\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000000)='cpuset.cpus\x00', 0x2, 0x0) write$cgroup_int(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="2f48c3da306e015f00781d9916190ff415de4976f1351143e656f6aa37acabcd15f615928bf7f8d100000000000000000000"], 0x32) 2018/04/13 00:05:15 executing program 5: r0 = syz_open_dev$tun(&(0x7f0000000140)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000180)={"623d015b814000", 0x4003}) 2018/04/13 00:05:15 executing program 6: r0 = syz_open_procfs(0x0, &(0x7f0000000080)='net/if_inet6\x00') sendfile(r0, r0, &(0x7f0000000180)=0x400000, 0x4bea) syzkaller login: [ 42.135244] ip (3755) used greatest stack depth: 54688 bytes left [ 42.841896] ip (3822) used greatest stack depth: 54408 bytes left [ 43.649160] ip (3903) used greatest stack depth: 54200 bytes left [ 45.313912] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 45.568652] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 45.612687] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 45.645650] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 45.658637] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 45.847234] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 45.861099] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 45.906216] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 54.129693] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 54.237815] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 54.251621] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 54.269690] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 54.465606] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 54.598797] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 54.698787] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 54.843966] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 54.861192] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 54.867549] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 54.879926] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 54.962674] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 54.968978] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 54.984172] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 55.065284] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 55.071517] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 55.078687] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 55.108960] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 55.117152] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 55.132297] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 55.339870] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 55.346189] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 55.355812] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 55.393435] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 55.400328] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 55.431575] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 55.463526] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 55.472400] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 55.492670] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 55.654563] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 55.660808] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 55.671069] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready 2018/04/13 00:05:34 executing program 0: perf_event_open(&(0x7f0000bba000)={0x2, 0x78, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f00007cd000)=[{&(0x7f0000000000)="29000000180031090020000100000007020000000000ff06800000000c00080004001000000ef4ff01", 0x29}], 0x1) 2018/04/13 00:05:34 executing program 5: clone(0x0, &(0x7f0000000000), &(0x7f0000000ffc), &(0x7f0000000ffc), &(0x7f0000000000)) 2018/04/13 00:05:34 executing program 7: syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f00000000c0)='./file0\x00', 0xe000, 0x1, &(0x7f0000000040)=[{&(0x7f0000010000)="eb3c906d6b66732e66617400020401000200027000f8", 0x16}], 0x0, &(0x7f0000000140)=ANY=[]) 2018/04/13 00:05:34 executing program 2: r0 = socket(0x0, 0x2, 0x0) r1 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r1, &(0x7f0000000300)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) setsockopt$SO_ATTACH_FILTER(r1, 0x1, 0x1a, &(0x7f0000b86000)={0x1, &(0x7f0000f40ff8)=[{0x6, 0x0, 0x0, 0xe8}]}, 0x10) sendto$inet(r1, &(0x7f0000a88f88), 0x29f, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @loopback=0x7f000001}, 0x10) sendmmsg(r1, &(0x7f0000003ec0)=[{{0x0, 0x0, &(0x7f0000000980)=[{&(0x7f0000002640)="5b5331d25a71c6a64f00d90720f785f88f9e63f90f76c48feee314083a181eefab2af8a65643ebc8c2b907fdebdd7b6aabd04ebe5b3133ae10d25c8992f969f3462f985649a0d1aeb7d535535fe9ce30e21dc14811cdff61456d7141cc19a8c86d8c80ccc6639cbb396c5307933f3d1c5a346d2d3a47311974a4970abaccab9b06afbdf003eb24b16c82af83155e9b5533db3eeb4e9c0722105fdc7585c77f5238ae3d12f08c8ab6dcf0edb2490a54ac46932250eb853d86d10cff49f40797062fee0affd74773c634", 0xc9}], 0x1, &(0x7f0000003640)}}], 0x1, 0x0) shutdown(r1, 0x1) clock_gettime(0x0, &(0x7f0000004d00)={0x0, 0x0}) setsockopt$inet_tcp_TCP_MD5SIG(r1, 0x6, 0xe, &(0x7f0000000000)={@in={{0x2, 0x0, @loopback=0x7f000001}}, 0x0, 0x40, 0x0, "bb7d979a5ee032056dff2fc639ba6368d0d71d898a4e124cf21cd30cb70965e6517b9cd90bda9821886e8cd3637def26f925ad25edc2a48d5320748f0957c324fe23baa6085747576770b4aaa4b7bab6"}, 0xd8) recvmmsg(r1, &(0x7f0000004b00)=[{{&(0x7f0000002500)=@sco, 0x80, &(0x7f0000004340)=[{&(0x7f00000041c0)=""/215, 0xd7}], 0x1, &(0x7f0000000180)=""/186, 0xba}}, {{&(0x7f0000004600)=@nfc_llcp, 0x80, &(0x7f0000004a40), 0x0, &(0x7f0000004ac0)}}], 0x2, 0x0, &(0x7f0000000140)={0x0, r2+30000000}) getsockopt$ipx_IPX_TYPE(r0, 0x100, 0x1, &(0x7f0000000140), &(0x7f0000000180)=0x4) ioctl$ifreq_SIOCGIFINDEX_team(0xffffffffffffffff, 0x8933, &(0x7f00000003c0)={'team0\x00'}) getsockname$packet(0xffffffffffffffff, &(0x7f0000004800)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000004840)=0x14) getsockopt$inet_pktinfo(0xffffffffffffffff, 0x0, 0x8, &(0x7f0000004880)={0x0, @remote, @multicast1}, &(0x7f00000048c0)=0xc) accept$packet(r0, &(0x7f0000004900)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @remote}, &(0x7f0000004940)=0x14) 2018/04/13 00:05:34 executing program 3: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000040)={0x0, 0x0}) mknod$loop(&(0x7f0000000000)='./file0\x00', 0xc004, 0xffffffffffffffff) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) sendmmsg(r0, &(0x7f0000008600)=[{{0x0, 0x0, &(0x7f0000003140)}}, {{&(0x7f00000072c0)=@un=@file={0x1, './file0\x00'}, 0xa, &(0x7f0000007380), 0x0, &(0x7f0000000600)}}], 0x2, 0x0) getsockname$netrom(0xffffffffffffffff, &(0x7f0000000100), &(0x7f0000000140)=0x10) 2018/04/13 00:05:34 executing program 1: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) r0 = userfaultfd(0x0) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000002000)={0xaa}) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000001000)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r1 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_mreqsrc(r1, 0x0, 0x28, &(0x7f0000013ff4)={@dev={0xac, 0x14}, @loopback=0x7f000001, @local={0xac, 0x14, 0xffffffffffffffff, 0xaa}}, 0xc) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x2, 0x32, 0xffffffffffffffff, 0x0) ioctl$UFFDIO_ZEROPAGE(r0, 0x8010aa02, &(0x7f00000c0ff0)={&(0x7f0000011000/0x3000)=nil, 0x3000}) 2018/04/13 00:05:34 executing program 4: perf_event_open(&(0x7f0000940000)={0x2, 0x78, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bpf$PROG_LOAD(0x5, &(0x7f00002a0fb8)={0x1, 0x3, &(0x7f0000c91000)=@framed={{0xffffff85, 0x0, 0x0, 0x0, 0x8, 0xc}, [], {0x95}}, &(0x7f0000e6bffc)='GPL\x00', 0x1, 0x333, &(0x7f000000d000)=""/153}, 0x3e) 2018/04/13 00:05:34 executing program 6: r0 = socket$inet(0x10, 0x2, 0x10) sendmsg(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000004000)=[{&(0x7f0000000080)="2f0000001c0003fd6d0000360000000002dd0700050000001f5f13c908000100f8ff72730beeffff005867855e7fa5", 0x2f}], 0x1}, 0x0) 2018/04/13 00:05:34 executing program 6: r0 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_tcp_int(r0, 0x6, 0x10000000013, &(0x7f000039c000)=0x400000000000001, 0x4) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000000100)='sit0\x00', 0x10) setsockopt$inet_tcp_int(r0, 0x6, 0x14, &(0x7f00000b2000)=0xffffffffffffffff, 0x4) sendto$inet(r0, &(0x7f00005c9000), 0x6a, 0x800000020000000, &(0x7f0000000300)={0x2, 0x0, @loopback=0x7f000001}, 0x10) write$binfmt_elf64(r0, &(0x7f00000003c0)=ANY=[@ANYBLOB="7f454c460000000000000000000000000000000000000000000000000000000040000000000000000000000000000000000000000000380000000000000000000000000000000000000000000000000000000000000000000000000000000000"], 0x60) setsockopt$inet_tcp_TCP_REPAIR_WINDOW(r0, 0x6, 0x1d, &(0x7f0000965fec)={0x0, 0x800000000000852b, 0xffff}, 0x14) writev(r0, &(0x7f0000000380)=[{&(0x7f00000007c0)="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", 0x14f}], 0x1) 2018/04/13 00:05:34 executing program 7: mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x4, 0x32, 0xffffffffffffffff, 0x0) r0 = userfaultfd(0x0) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000d28000)={0xaa}) r1 = epoll_create1(0x0) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000e4cfe0)={{&(0x7f0000012000/0x2000)=nil, 0x2000}, 0x1}) r2 = syz_open_dev$sndtimer(&(0x7f0000000080)='/dev/snd/timer\x00', 0x0, 0x0) ioctl$SNDRV_TIMER_IOCTL_NEXT_DEVICE(r2, 0xc0145401, &(0x7f0000013000)) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) ioctl$SNDRV_TIMER_IOCTL_STATUS(r2, 0x80605414, &(0x7f0000000180)=""/155) r3 = dup3(r1, r0, 0x0) getsockopt$inet_mreq(r3, 0x0, 0x27, &(0x7f0000000000)={@multicast2, @rand_addr}, &(0x7f0000000040)=0x8) 2018/04/13 00:05:34 executing program 4: perf_event_open(&(0x7f0000940000)={0x2, 0x78, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bpf$PROG_LOAD(0x5, &(0x7f00002a0fb8)={0x1, 0x3, &(0x7f0000c91000)=@framed={{0xffffff85, 0x0, 0x0, 0x0, 0x8, 0xc}, [], {0x95}}, &(0x7f0000e6bffc)='GPL\x00', 0x1, 0x333, &(0x7f000000d000)=""/153}, 0x3e) 2018/04/13 00:05:34 executing program 3: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000a2c000)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TCSETS(r0, 0x40045431, &(0x7f0000000000)) ioctl$TCXONC(r0, 0x540a, 0x2) r1 = syz_open_pts(r0, 0x0) ioctl$TCXONC(r1, 0x540a, 0x7fffffff) 2018/04/13 00:05:34 executing program 5: unshare(0x400) r0 = userfaultfd(0x80000) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000000fe8)={0xaa}) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000005000)={{&(0x7f0000000000/0x4000)=nil, 0x4000}, 0x3}) ioctl$UFFDIO_UNREGISTER(r0, 0xc020aa04, &(0x7f0000005000)={&(0x7f0000000000/0x3000)=nil, 0x3000}) [ 58.398432] syz-executor6 (5145) used greatest stack depth: 52424 bytes left [ 58.424639] ================================================================== [ 58.432046] BUG: KMSAN: uninit-value in tcp_parse_options+0xd74/0x1a30 [ 58.438713] CPU: 0 PID: 7 Comm: ksoftirqd/0 Not tainted 4.16.0+ #83 [ 58.445111] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.454451] Call Trace: [ 58.457040] dump_stack+0x185/0x1d0 [ 58.460670] ? tcp_parse_options+0xd74/0x1a30 [ 58.465159] kmsan_report+0x142/0x240 [ 58.468960] __msan_warning_32+0x6c/0xb0 [ 58.473028] tcp_parse_options+0xd74/0x1a30 [ 58.477353] tcp_validate_incoming+0x4f1/0x2790 [ 58.482016] tcp_rcv_state_process+0xb19/0x6490 [ 58.486675] ? __bpf_prog_run32+0x127/0x170 [ 58.490978] ? security_sock_rcv_skb+0x4c/0x1f0 [ 58.495632] tcp_v4_do_rcv+0xb26/0xd90 [ 58.499505] tcp_v4_rcv+0x5b25/0x6750 [ 58.503299] ? tcp_filter+0x270/0x270 [ 58.507081] ip_local_deliver_finish+0x6ed/0xd40 [ 58.511822] ip_local_deliver+0x43c/0x4e0 [ 58.515950] ? ip_local_deliver+0x4e0/0x4e0 [ 58.520255] ? ip_call_ra_chain+0x7b0/0x7b0 [ 58.524556] ip_rcv_finish+0x1253/0x16d0 [ 58.528603] ip_rcv+0x119d/0x16f0 [ 58.532045] ? ip_rcv+0x16f0/0x16f0 [ 58.535659] __netif_receive_skb_core+0x47cf/0x4a80 [ 58.540661] ? kmsan_internal_memset_shadow_inline+0xd0/0xd0 [ 58.546441] ? ip_local_deliver_finish+0xd40/0xd40 [ 58.551351] process_backlog+0x62d/0xe20 [ 58.555396] ? rps_trigger_softirq+0x2f0/0x2f0 [ 58.559959] net_rx_action+0x7c1/0x1a70 [ 58.563918] ? net_tx_action+0xab0/0xab0 [ 58.567960] __do_softirq+0x56d/0x93d [ 58.571745] ? ksoftirqd_should_run+0x30/0x30 [ 58.576221] run_ksoftirqd+0x1f/0x40 [ 58.579915] smpboot_thread_fn+0x488/0x970 [ 58.584134] ? cpu_report_death+0x1e0/0x1e0 [ 58.588434] kthread+0x539/0x720 [ 58.591785] ? cpu_report_death+0x1e0/0x1e0 [ 58.596087] ? kthread_blkcg+0xf0/0xf0 [ 58.599956] ret_from_fork+0x35/0x40 [ 58.603649] [ 58.605254] Uninit was created at: [ 58.608776] kmsan_internal_poison_shadow+0xb8/0x1b0 [ 58.613862] kmsan_kmalloc+0x94/0x100 [ 58.617642] kmsan_slab_alloc+0x11/0x20 [ 58.621597] __kmalloc_node_track_caller+0xaed/0x11c0 [ 58.626766] __alloc_skb+0x2cf/0x9f0 [ 58.630460] tcp_send_ack+0x18c/0x910 [ 58.634242] tcp_fin+0x298/0x8f0 [ 58.637588] tcp_data_queue+0x2cb9/0xa200 [ 58.641716] tcp_rcv_state_process+0x5c61/0x6490 [ 58.646450] tcp_v4_do_rcv+0xb26/0xd90 [ 58.650319] tcp_v4_rcv+0x5b25/0x6750 [ 58.654103] ip_local_deliver_finish+0x6ed/0xd40 [ 58.658839] ip_local_deliver+0x43c/0x4e0 [ 58.662965] ip_rcv_finish+0x1253/0x16d0 [ 58.667008] ip_rcv+0x119d/0x16f0 [ 58.670447] __netif_receive_skb_core+0x47cf/0x4a80 [ 58.675441] process_backlog+0x62d/0xe20 [ 58.679479] net_rx_action+0x7c1/0x1a70 [ 58.683434] __do_softirq+0x56d/0x93d [ 58.687208] ================================================================== [ 58.694551] Disabling lock debugging due to kernel taint [ 58.699976] Kernel panic - not syncing: panic_on_warn set ... [ 58.699976] [ 58.707330] CPU: 0 PID: 7 Comm: ksoftirqd/0 Tainted: G B 4.16.0+ #83 [ 58.715017] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.724354] Call Trace: [ 58.726927] dump_stack+0x185/0x1d0 [ 58.730535] panic+0x39d/0x940 [ 58.733728] ? tcp_parse_options+0xd74/0x1a30 [ 58.738202] kmsan_report+0x238/0x240 [ 58.742003] __msan_warning_32+0x6c/0xb0 [ 58.746053] tcp_parse_options+0xd74/0x1a30 [ 58.750367] tcp_validate_incoming+0x4f1/0x2790 [ 58.755030] tcp_rcv_state_process+0xb19/0x6490 [ 58.759685] ? __bpf_prog_run32+0x127/0x170 [ 58.763987] ? security_sock_rcv_skb+0x4c/0x1f0 [ 58.768643] tcp_v4_do_rcv+0xb26/0xd90 [ 58.772512] tcp_v4_rcv+0x5b25/0x6750 [ 58.776303] ? tcp_filter+0x270/0x270 [ 58.780084] ip_local_deliver_finish+0x6ed/0xd40 [ 58.784824] ip_local_deliver+0x43c/0x4e0 [ 58.788953] ? ip_local_deliver+0x4e0/0x4e0 [ 58.793256] ? ip_call_ra_chain+0x7b0/0x7b0 [ 58.797556] ip_rcv_finish+0x1253/0x16d0 [ 58.801601] ip_rcv+0x119d/0x16f0 [ 58.805039] ? ip_rcv+0x16f0/0x16f0 [ 58.808655] __netif_receive_skb_core+0x47cf/0x4a80 [ 58.813652] ? kmsan_internal_memset_shadow_inline+0xd0/0xd0 [ 58.819432] ? ip_local_deliver_finish+0xd40/0xd40 [ 58.824343] process_backlog+0x62d/0xe20 [ 58.828390] ? rps_trigger_softirq+0x2f0/0x2f0 [ 58.832951] net_rx_action+0x7c1/0x1a70 [ 58.836910] ? net_tx_action+0xab0/0xab0 [ 58.840956] __do_softirq+0x56d/0x93d [ 58.844741] ? ksoftirqd_should_run+0x30/0x30 [ 58.849215] run_ksoftirqd+0x1f/0x40 [ 58.852910] smpboot_thread_fn+0x488/0x970 [ 58.857127] ? cpu_report_death+0x1e0/0x1e0 [ 58.861426] kthread+0x539/0x720 [ 58.864774] ? cpu_report_death+0x1e0/0x1e0 [ 58.869076] ? kthread_blkcg+0xf0/0xf0 [ 58.872946] ret_from_fork+0x35/0x40 [ 58.877073] Dumping ftrace buffer: [ 58.880594] (ftrace buffer empty) [ 58.884275] Kernel Offset: disabled [ 58.888100] Rebooting in 86400 seconds..