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 '10.128.0.7' (ECDSA) to the list of known hosts. 2018/04/07 08:20:48 fuzzer started 2018/04/07 08:20:49 dialing manager at 10.128.0.26:38639 2018/04/07 08:20:55 kcov=true, comps=false 2018/04/07 08:20:58 executing program 0: mmap(&(0x7f0000000000/0xb2a000)=nil, 0xb2a000, 0x0, 0x32, 0xffffffffffffffff, 0x0) r0 = socket$inet6(0xa, 0x1, 0x0) setsockopt$inet6_int(r0, 0x29, 0x42, &(0x7f0000d1bffc)=0x4, 0x4) getsockopt$inet6_buf(r0, 0x29, 0x6, &(0x7f0000925000)=""/72, &(0x7f0000d1b252)=0x48) 2018/04/07 08:20:58 executing program 2: mkdir(&(0x7f0000578000)='./file0\x00', 0x0) lsetxattr(&(0x7f0000910ff8)='./file0\x00', &(0x7f0000000000)=@known='system.posix_acl_default\x00', &(0x7f0000000040)="0200000002000000000000000500de2d6a1f06a0", 0xc, 0x0) 2018/04/07 08:20:58 executing program 7: r0 = add_key$keyring(&(0x7f0000000040)='keyring\x00', &(0x7f0000000080)={0x73, 0x79, 0x7a}, 0x0, 0x0, 0xffffffffffffffff) r1 = add_key$keyring(&(0x7f0000000200)='keyring\x00', &(0x7f0000000000)={0x73, 0x79, 0x7a}, 0x0, 0x0, r0) r2 = add_key$user(&(0x7f00003bd000)='user\x00', &(0x7f0000a00000)={0x73, 0x79, 0x7a}, &(0x7f0000facfff)="01", 0x1, r1) r3 = add_key$user(&(0x7f0000fc0ffb)='user\x00', &(0x7f0000752ffb)={0x73, 0x79, 0x7a, 0x3}, &(0x7f00003eb000)="b3", 0x1, r1) keyctl$update(0x2, r3, &(0x7f0000000240)="df02754677212dfc3e2acc26fdc3ffa64813da494137e175e9f2780ac5e2a09f43a1fcebf272a5a135de92bf4a9033933824f6e6aa023895113293535d1c0066d20e0f275188b4b4c187e18774fc2227cbb60fc6697f5337726164c8fbe1181e6d50986cd98a5c44ac0ec375deb27eafcf7d06438f252510d87bd91d03e7dc2faed85adcd88ca30e75b1e143a72d94defa187e48b89efbbbcc9b9a9a307353df7a21affce4e9149eb122cbc356cb681365afd979e97b57b596e901864a68679f", 0xc0) keyctl$dh_compute(0x17, &(0x7f0000000100)={r2, r3, r3}, &(0x7f0000000140)=""/5, 0x356, &(0x7f0000000300)={&(0x7f00000000c0)={'sha1-ssse3\x00'}}) 2018/04/07 08:20:58 executing program 3: r0 = socket$inet6(0xa, 0x1, 0x0) pipe(&(0x7f0000000080)={0xffffffffffffffff}) splice(r1, &(0x7f0000000140), r0, &(0x7f0000000280), 0x6, 0x0) 2018/04/07 08:20:58 executing program 5: r0 = socket$inet6(0xa, 0x1, 0x0) fcntl$addseals(r0, 0x409, 0x1000000000000002) 2018/04/07 08:20:58 executing program 4: r0 = memfd_create(&(0x7f00000000c0)='[*[\x00', 0x0) write(r0, &(0x7f0000000040)="f7ea42337eb805da8d24d09f3c2100580900ccd45da0739a805009d8", 0x1c) write$sndseq(r0, &(0x7f0000000400)=[{0x0, 0x0, 0x0, 0x0, @tick, {}, {}, @quote}, {0x0, 0x0, 0x0, 0x0, @time={0x77359400}, {}, {}, @raw8={"06d3cb89f296bbb7d8acde89"}}, {0x1, 0x0, 0x70c, 0x3, @tick=0x3, {0x3, 0x2}, {0x6, 0x6}, @ext={0xd3, &(0x7f0000000300)="8776aee425040cae8a4781c89a711bcd1b5ac394bb087ccc8c382c2bf86a8be74e1bfadf30709e79024bbdb60913e6173c42e90b5bb2b90888b485eb1bfdb54508b0f1830e5dbc1c16198c8df7880e9a01b4698bc7f85db94072c227163bca07cb47dfa7614e50e7436ada0a6bdee3dc4883d3f317d12b920a1e7f00c75181c22c407396f7b22a9e13b246aba78ca86c116d8c6dff7eb83011de36f0e3e182e47312b86150eb9c8b737ac99b6aae2ac59fd8b4fc976ca1db9028fa9c86ab6abc868a54270430eec544cc659da51fe7919424a9"}}, {0x0, 0x5, 0x7, 0x8, @tick=0x8, {0x4, 0xfffffffffffffffe}, {0x1, 0x2}, @time=@tick=0x6}, {0x10001, 0x2, 0x1, 0xfffffffffffffffe, @tick=0x3, {0x0, 0x9}, {0x24c, 0x5}, @raw32={[0x5e, 0x7f, 0x9]}}], 0xf0) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x4, 0x11, r0, 0x0) timerfd_settime(0xffffffffffffffff, 0x800000000000003, &(0x7f0000000080), &(0x7f0000000140)) 2018/04/07 08:20:58 executing program 6: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x4c, &(0x7f00000000c0), 0x2) 2018/04/07 08:20:58 executing program 1: mkdir(&(0x7f0000226000)='./control\x00', 0x0) r0 = open(&(0x7f0000ac3000)='./control\x00', 0x0, 0x0) mkdirat(r0, &(0x7f00004f0ff6)='./control\x00', 0x0) mkdirat(r0, &(0x7f0000016ff8)='./file0\x00', 0x0) r1 = openat(r0, &(0x7f0000563000)='./file0\x00', 0x0, 0x0) unlinkat(r0, &(0x7f0000000240)='./file0\x00', 0x200) renameat2(r0, &(0x7f000001dff6)='./control\x00', r1, &(0x7f0000e14ff6)='./control\x00', 0x0) syzkaller login: [ 42.760859] ip (3893) used greatest stack depth: 54200 bytes left [ 43.607084] ip (3968) used greatest stack depth: 54160 bytes left [ 44.830784] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 44.851095] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 44.916654] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 44.929610] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 44.975999] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 45.112660] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 45.123691] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 45.139741] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 53.460547] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 53.714501] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 53.740646] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 53.782349] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 53.848084] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 53.870831] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 53.942565] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 53.956795] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 54.232437] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 54.239227] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 54.257726] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 54.467540] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 54.473747] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 54.485162] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 54.515934] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 54.529125] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 54.541486] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 54.575401] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 54.581766] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 54.611872] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 54.634428] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 54.647160] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 54.689647] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 54.719704] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 54.726811] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 54.733146] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 54.742924] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 54.782853] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 54.807614] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 54.828936] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 54.845383] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 54.884732] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready 2018/04/07 08:21:14 executing program 0: mmap(&(0x7f0000000000/0xb2a000)=nil, 0xb2a000, 0x0, 0x32, 0xffffffffffffffff, 0x0) r0 = socket$inet6(0xa, 0x1, 0x0) setsockopt$inet6_int(r0, 0x29, 0x42, &(0x7f0000d1bffc)=0x4, 0x4) getsockopt$inet6_buf(r0, 0x29, 0x6, &(0x7f0000925000)=""/72, &(0x7f0000d1b252)=0x48) 2018/04/07 08:21:14 executing program 4: r0 = memfd_create(&(0x7f00000000c0)='[*[\x00', 0x0) write(r0, &(0x7f0000000040)="f7ea42337eb805da8d24d09f3c2100580900ccd45da0739a805009d8", 0x1c) write$sndseq(r0, &(0x7f0000000400)=[{0x0, 0x0, 0x0, 0x0, @tick, {}, {}, @quote}, {0x0, 0x0, 0x0, 0x0, @time={0x77359400}, {}, {}, @raw8={"06d3cb89f296bbb7d8acde89"}}, {0x1, 0x0, 0x70c, 0x3, @tick=0x3, {0x3, 0x2}, {0x6, 0x6}, @ext={0xd3, &(0x7f0000000300)="8776aee425040cae8a4781c89a711bcd1b5ac394bb087ccc8c382c2bf86a8be74e1bfadf30709e79024bbdb60913e6173c42e90b5bb2b90888b485eb1bfdb54508b0f1830e5dbc1c16198c8df7880e9a01b4698bc7f85db94072c227163bca07cb47dfa7614e50e7436ada0a6bdee3dc4883d3f317d12b920a1e7f00c75181c22c407396f7b22a9e13b246aba78ca86c116d8c6dff7eb83011de36f0e3e182e47312b86150eb9c8b737ac99b6aae2ac59fd8b4fc976ca1db9028fa9c86ab6abc868a54270430eec544cc659da51fe7919424a9"}}, {0x0, 0x5, 0x7, 0x8, @tick=0x8, {0x4, 0xfffffffffffffffe}, {0x1, 0x2}, @time=@tick=0x6}, {0x10001, 0x2, 0x1, 0xfffffffffffffffe, @tick=0x3, {0x0, 0x9}, {0x24c, 0x5}, @raw32={[0x5e, 0x7f, 0x9]}}], 0xf0) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x4, 0x11, r0, 0x0) timerfd_settime(0xffffffffffffffff, 0x800000000000003, &(0x7f0000000080), &(0x7f0000000140)) 2018/04/07 08:21:14 executing program 6: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x4c, &(0x7f00000000c0), 0x2) 2018/04/07 08:21:14 executing program 5: r0 = socket$inet6(0xa, 0x1, 0x0) fcntl$addseals(r0, 0x409, 0x1000000000000002) 2018/04/07 08:21:14 executing program 1: r0 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_buf(r0, 0x0, 0x41, &(0x7f0000000000), 0x0) 2018/04/07 08:21:14 executing program 2: r0 = socket(0x100000000000010, 0x8000000000000003, 0x0) ioctl$sock_ifreq(r0, 0x8932, &(0x7f0000000140)={'gre0\x00', @ifru_ivalue}) 2018/04/07 08:21:14 executing program 7: unshare(0x4040400) r0 = syz_open_dev$mice(&(0x7f0000000040)='/dev/input/mice\x00', 0x0, 0x0) timerfd_settime(r0, 0x0, &(0x7f0000000080)={{0x77359400}, {0x77359400}}, &(0x7f00000000c0)) 2018/04/07 08:21:14 executing program 3: prctl$intptr(0x1c, 0x800) 2018/04/07 08:21:15 executing program 5: r0 = perf_event_open(&(0x7f0000014f88)={0x1, 0x78, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x7, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000454000)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) clone(0x0, &(0x7f0000aed000), &(0x7f0000922ffc), &(0x7f0000000080), &(0x7f0000c12000)) readv(r0, &(0x7f0000000340)=[{&(0x7f0000000000)=""/26, 0x1a}], 0x1) 2018/04/07 08:21:15 executing program 1: r0 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_buf(r0, 0x0, 0x41, &(0x7f0000000000), 0x0) 2018/04/07 08:21:15 executing program 6: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) getsockopt$inet_sctp6_SCTP_GET_ASSOC_ID_LIST(r0, 0x84, 0x1d, &(0x7f000095dff8)={0x1, [0x0]}, &(0x7f000095dffc)=0x8) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0, r1}, 0x10) 2018/04/07 08:21:15 executing program 4: r0 = memfd_create(&(0x7f00000000c0)='[*[\x00', 0x0) write(r0, &(0x7f0000000040)="f7ea42337eb805da8d24d09f3c2100580900ccd45da0739a805009d8", 0x1c) write$sndseq(r0, &(0x7f0000000400)=[{0x0, 0x0, 0x0, 0x0, @tick, {}, {}, @quote}, {0x0, 0x0, 0x0, 0x0, @time={0x77359400}, {}, {}, @raw8={"06d3cb89f296bbb7d8acde89"}}, {0x1, 0x0, 0x70c, 0x3, @tick=0x3, {0x3, 0x2}, {0x6, 0x6}, @ext={0xd3, &(0x7f0000000300)="8776aee425040cae8a4781c89a711bcd1b5ac394bb087ccc8c382c2bf86a8be74e1bfadf30709e79024bbdb60913e6173c42e90b5bb2b90888b485eb1bfdb54508b0f1830e5dbc1c16198c8df7880e9a01b4698bc7f85db94072c227163bca07cb47dfa7614e50e7436ada0a6bdee3dc4883d3f317d12b920a1e7f00c75181c22c407396f7b22a9e13b246aba78ca86c116d8c6dff7eb83011de36f0e3e182e47312b86150eb9c8b737ac99b6aae2ac59fd8b4fc976ca1db9028fa9c86ab6abc868a54270430eec544cc659da51fe7919424a9"}}, {0x0, 0x5, 0x7, 0x8, @tick=0x8, {0x4, 0xfffffffffffffffe}, {0x1, 0x2}, @time=@tick=0x6}, {0x10001, 0x2, 0x1, 0xfffffffffffffffe, @tick=0x3, {0x0, 0x9}, {0x24c, 0x5}, @raw32={[0x5e, 0x7f, 0x9]}}], 0xf0) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x4, 0x11, r0, 0x0) timerfd_settime(0xffffffffffffffff, 0x800000000000003, &(0x7f0000000080), &(0x7f0000000140)) 2018/04/07 08:21:15 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) getsockopt$inet_sctp6_SCTP_AUTO_ASCONF(r0, 0x84, 0x1e, &(0x7f00000002c0), &(0x7f0000000300)=0x4) 2018/04/07 08:21:15 executing program 0: mmap(&(0x7f0000000000/0xb2a000)=nil, 0xb2a000, 0x0, 0x32, 0xffffffffffffffff, 0x0) r0 = socket$inet6(0xa, 0x1, 0x0) setsockopt$inet6_int(r0, 0x29, 0x42, &(0x7f0000d1bffc)=0x4, 0x4) getsockopt$inet6_buf(r0, 0x29, 0x6, &(0x7f0000925000)=""/72, &(0x7f0000d1b252)=0x48) 2018/04/07 08:21:15 executing program 3: sendmsg$nl_netfilter(0xffffffffffffffff, &(0x7f0000289000)={&(0x7f0000cf1ff4)={0x10}, 0xc, &(0x7f0000703000)={&(0x7f000023f000)=ANY=[@ANYBLOB="8400000000000000ff0000000000000001e40900ffff0c00000000000000000000005b659a62290ffc380c2dbfc75e9f17e101000000000000001cb4e2bf501db1bb949869c29c4d914d9f26415e66cd4dd3050bc1700612dbc3080c91125fa158cf0d70309f7f1969136edfd73294c0351575a9e8aa5944f2a432a15b3fe56aa566ce"], 0x83}, 0x1}, 0x0) r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x2000000000000020, &(0x7f000023f000)=0xa, 0x20b) 2018/04/07 08:21:15 executing program 7: r0 = socket(0x18, 0x0, 0x0) getsockname$ipx(r0, &(0x7f0000000080), &(0x7f00000000c0)=0x10) 2018/04/07 08:21:15 executing program 1: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x36, &(0x7f0000000400), 0x181e7dec969c8430) 2018/04/07 08:21:15 executing program 2: r0 = socket$inet_dccp(0x2, 0x6, 0x0) r1 = dup2(r0, r0) connect$netrom(r1, &(0x7f0000000480)=@full={{0x3, {"c30d5b39c4ab3f"}}, [{"d9c17ab687fa2a"}, {"c69d1e57aa02a8"}, {"1bfe15f4162be8"}, {"ddc2e71afd85de"}, {"fba9abd799e4e9"}, {"54d62924215b1a"}, {"7a31ad5e3f6840"}, {"f47e7d8f690475"}]}, 0x48) 2018/04/07 08:21:15 executing program 6: r0 = socket$kcm(0x29, 0x2, 0x0) r1 = syz_open_procfs(0x0, &(0x7f00005aeff6)='net/kcm\x00\b\x00') writev(r0, &(0x7f0000000180)=[{&(0x7f0000000080)='A', 0x1}], 0x1) r2 = socket$kcm(0x29, 0x2, 0x0) sendfile(r2, r1, &(0x7f0000301ff8), 0xffffffff) 2018/04/07 08:21:15 executing program 4: r0 = memfd_create(&(0x7f00000000c0)='[*[\x00', 0x0) write(r0, &(0x7f0000000040)="f7ea42337eb805da8d24d09f3c2100580900ccd45da0739a805009d8", 0x1c) write$sndseq(r0, &(0x7f0000000400)=[{0x0, 0x0, 0x0, 0x0, @tick, {}, {}, @quote}, {0x0, 0x0, 0x0, 0x0, @time={0x77359400}, {}, {}, @raw8={"06d3cb89f296bbb7d8acde89"}}, {0x1, 0x0, 0x70c, 0x3, @tick=0x3, {0x3, 0x2}, {0x6, 0x6}, @ext={0xd3, &(0x7f0000000300)="8776aee425040cae8a4781c89a711bcd1b5ac394bb087ccc8c382c2bf86a8be74e1bfadf30709e79024bbdb60913e6173c42e90b5bb2b90888b485eb1bfdb54508b0f1830e5dbc1c16198c8df7880e9a01b4698bc7f85db94072c227163bca07cb47dfa7614e50e7436ada0a6bdee3dc4883d3f317d12b920a1e7f00c75181c22c407396f7b22a9e13b246aba78ca86c116d8c6dff7eb83011de36f0e3e182e47312b86150eb9c8b737ac99b6aae2ac59fd8b4fc976ca1db9028fa9c86ab6abc868a54270430eec544cc659da51fe7919424a9"}}, {0x0, 0x5, 0x7, 0x8, @tick=0x8, {0x4, 0xfffffffffffffffe}, {0x1, 0x2}, @time=@tick=0x6}, {0x10001, 0x2, 0x1, 0xfffffffffffffffe, @tick=0x3, {0x0, 0x9}, {0x24c, 0x5}, @raw32={[0x5e, 0x7f, 0x9]}}], 0xf0) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x4, 0x11, r0, 0x0) timerfd_settime(0xffffffffffffffff, 0x800000000000003, &(0x7f0000000080), &(0x7f0000000140)) 2018/04/07 08:21:15 executing program 0: mmap(&(0x7f0000000000/0xb2a000)=nil, 0xb2a000, 0x0, 0x32, 0xffffffffffffffff, 0x0) r0 = socket$inet6(0xa, 0x1, 0x0) setsockopt$inet6_int(r0, 0x29, 0x42, &(0x7f0000d1bffc)=0x4, 0x4) getsockopt$inet6_buf(r0, 0x29, 0x6, &(0x7f0000925000)=""/72, &(0x7f0000d1b252)=0x48) 2018/04/07 08:21:15 executing program 3: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0xec9a, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000389000)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) 2018/04/07 08:21:15 executing program 7: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f00006cdfa8)={0x26, 'rng\x00', 0x0, 0x0, 'drbg_pr_sha512\x00'}, 0x58) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f00004f7000), 0x0) io_setup(0x0, &(0x7f0000000000)) r1 = dup(r0) r2 = accept4$alg(r1, 0x0, 0x0, 0x0) io_setup(0x401, &(0x7f000014b000)=0x0) io_submit(r3, 0x1, &(0x7f000049bfe8)=[&(0x7f00004dbfc0)={0x0, 0x0, 0x0, 0x0, 0x0, r2, &(0x7f0000391000)="83", 0x1}]) 2018/04/07 08:21:15 executing program 1: r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000000)={0x1000000000001, 0x8, 0x8400000000003, 0xffffffdf00000005}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f0000000140)={r0, &(0x7f0000000040), &(0x7f0000000100)}, 0x20) bpf$MAP_LOOKUP_ELEM(0x1, &(0x7f0000000100)={r0, &(0x7f0000000040), &(0x7f0000000180)=""/231}, 0x18) 2018/04/07 08:21:15 executing program 5: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000c54fa8)={0x26, 'hash\x00', 0x0, 0x0, 'md5-generic\x00'}, 0x58) r1 = accept$alg(r0, 0x0, 0x0) r2 = open(&(0x7f00004b8ff8)='./file0\x00', 0x28042, 0x0) fallocate(r2, 0x0, 0x0, 0x73e0) sendfile(r1, r2, &(0x7f0000145000), 0x7dd) 2018/04/07 08:21:15 executing program 7: bpf$MAP_CREATE(0x0, &(0x7f0000000000)={0x2, 0x4, 0x0, 0x6}, 0x2c) 2018/04/07 08:21:15 executing program 1: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x1008000000000004, 0x4) r1 = socket$packet(0x11, 0x400000002, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000ff5ffc)={0x0, 0x3}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x4e20, @rand_addr}, 0x10) poll(&(0x7f0000000080)=[{r1}], 0x1, 0x0) 2018/04/07 08:21:15 executing program 4: r0 = memfd_create(&(0x7f00000000c0)='[*[\x00', 0x0) write(r0, &(0x7f0000000040)="f7ea42337eb805da8d24d09f3c2100580900ccd45da0739a805009d8", 0x1c) write$sndseq(r0, &(0x7f0000000400)=[{0x0, 0x0, 0x0, 0x0, @tick, {}, {}, @quote}, {0x0, 0x0, 0x0, 0x0, @time={0x77359400}, {}, {}, @raw8={"06d3cb89f296bbb7d8acde89"}}, {0x1, 0x0, 0x70c, 0x3, @tick=0x3, {0x3, 0x2}, {0x6, 0x6}, @ext={0xd3, &(0x7f0000000300)="8776aee425040cae8a4781c89a711bcd1b5ac394bb087ccc8c382c2bf86a8be74e1bfadf30709e79024bbdb60913e6173c42e90b5bb2b90888b485eb1bfdb54508b0f1830e5dbc1c16198c8df7880e9a01b4698bc7f85db94072c227163bca07cb47dfa7614e50e7436ada0a6bdee3dc4883d3f317d12b920a1e7f00c75181c22c407396f7b22a9e13b246aba78ca86c116d8c6dff7eb83011de36f0e3e182e47312b86150eb9c8b737ac99b6aae2ac59fd8b4fc976ca1db9028fa9c86ab6abc868a54270430eec544cc659da51fe7919424a9"}}, {0x0, 0x5, 0x7, 0x8, @tick=0x8, {0x4, 0xfffffffffffffffe}, {0x1, 0x2}, @time=@tick=0x6}, {0x10001, 0x2, 0x1, 0xfffffffffffffffe, @tick=0x3, {0x0, 0x9}, {0x24c, 0x5}, @raw32={[0x5e, 0x7f, 0x9]}}], 0xf0) timerfd_settime(0xffffffffffffffff, 0x800000000000003, &(0x7f0000000080), &(0x7f0000000140)) 2018/04/07 08:21:15 executing program 2: r0 = gettid() r1 = syz_open_procfs(r0, &(0x7f0000000000)='net\x00') exit(0x0) fstat(r1, &(0x7f0000000040)) 2018/04/07 08:21:15 executing program 6: r0 = perf_event_open(&(0x7f000001d000)={0x5, 0x78, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 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) mmap(&(0x7f0000ffb000/0x2000)=nil, 0x2000, 0x0, 0x12013, r0, 0x0) ioctl$PERF_EVENT_IOC_PAUSE_OUTPUT(r0, 0x40042409, 0xfffffffffffffffe) syz_open_dev$tun(&(0x7f0000000000)='/dev/net/tun\x00', 0x0, 0x0) 2018/04/07 08:21:15 executing program 3: r0 = syz_open_dev$tun(&(0x7f0000000080)='/dev/net/tun\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x95c000)=nil, 0x95c000, 0x0, 0x44031, 0xffffffffffffffff, 0x0) ioctl$sock_ipx_SIOCAIPXITFCRT(r0, 0x89e0, &(0x7f00000000c0)) 2018/04/07 08:21:15 executing program 0: mmap(&(0x7f0000000000/0xb2a000)=nil, 0xb2a000, 0x0, 0x32, 0xffffffffffffffff, 0x0) r0 = socket$inet6(0xa, 0x1, 0x0) getsockopt$inet6_buf(r0, 0x29, 0x6, &(0x7f0000925000)=""/72, &(0x7f0000d1b252)=0x48) [ 56.907658] IPv4: Oversized IP packet from 127.0.0.1 [ 56.935530] IPv4: Oversized IP packet from 127.0.0.1 2018/04/07 08:21:15 executing program 7: r0 = socket$inet6_udp(0xa, 0x2, 0x0) setsockopt$sock_void(r0, 0x29, 0x2000000004c, 0x0, 0x0) 2018/04/07 08:21:16 executing program 4: r0 = memfd_create(&(0x7f00000000c0)='[*[\x00', 0x0) write(r0, &(0x7f0000000040)="f7ea42337eb805da8d24d09f3c2100580900ccd45da0739a805009d8", 0x1c) write$sndseq(r0, &(0x7f0000000400)=[{0x0, 0x0, 0x0, 0x0, @tick, {}, {}, @quote}, {0x0, 0x0, 0x0, 0x0, @time={0x77359400}, {}, {}, @raw8={"06d3cb89f296bbb7d8acde89"}}, {0x1, 0x0, 0x70c, 0x3, @tick=0x3, {0x3, 0x2}, {0x6, 0x6}, @ext={0xd3, &(0x7f0000000300)="8776aee425040cae8a4781c89a711bcd1b5ac394bb087ccc8c382c2bf86a8be74e1bfadf30709e79024bbdb60913e6173c42e90b5bb2b90888b485eb1bfdb54508b0f1830e5dbc1c16198c8df7880e9a01b4698bc7f85db94072c227163bca07cb47dfa7614e50e7436ada0a6bdee3dc4883d3f317d12b920a1e7f00c75181c22c407396f7b22a9e13b246aba78ca86c116d8c6dff7eb83011de36f0e3e182e47312b86150eb9c8b737ac99b6aae2ac59fd8b4fc976ca1db9028fa9c86ab6abc868a54270430eec544cc659da51fe7919424a9"}}, {0x0, 0x5, 0x7, 0x8, @tick=0x8, {0x4, 0xfffffffffffffffe}, {0x1, 0x2}, @time=@tick=0x6}, {0x10001, 0x2, 0x1, 0xfffffffffffffffe, @tick=0x3, {0x0, 0x9}, {0x24c, 0x5}, @raw32={[0x5e, 0x7f, 0x9]}}], 0xf0) timerfd_settime(0xffffffffffffffff, 0x800000000000003, &(0x7f0000000080), &(0x7f0000000140)) 2018/04/07 08:21:16 executing program 6: creat(&(0x7f00000002c0)='./file0/', 0x0) 2018/04/07 08:21:16 executing program 0: mmap(&(0x7f0000000000/0xb2a000)=nil, 0xb2a000, 0x0, 0x32, 0xffffffffffffffff, 0x0) r0 = socket$inet6(0xa, 0x1, 0x0) getsockopt$inet6_buf(r0, 0x29, 0x6, &(0x7f0000925000)=""/72, &(0x7f0000d1b252)=0x48) 2018/04/07 08:21:16 executing program 3: r0 = perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) setsockopt$inet_sctp_SCTP_RTOINFO(0xffffffffffffffff, 0x84, 0x0, &(0x7f0000001000)={0x10000, 0x4, 0x100, 0x400}, 0x10) r1 = socket(0x11, 0x4000000000080003, 0x0) setsockopt(r1, 0x107, 0xd, &(0x7f0000001000), 0x47e) dup2(r0, r1) 2018/04/07 08:21:16 executing program 1: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x1008000000000004, 0x4) r1 = socket$packet(0x11, 0x400000002, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000ff5ffc)={0x0, 0x3}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x4e20, @rand_addr}, 0x10) poll(&(0x7f0000000080)=[{r1}], 0x1, 0x0) [ 57.199218] IPv4: Oversized IP packet from 127.0.0.1 2018/04/07 08:21:16 executing program 5: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000c54fa8)={0x26, 'hash\x00', 0x0, 0x0, 'md5-generic\x00'}, 0x58) r1 = accept$alg(r0, 0x0, 0x0) r2 = open(&(0x7f00004b8ff8)='./file0\x00', 0x28042, 0x0) fallocate(r2, 0x0, 0x0, 0x73e0) sendfile(r1, r2, &(0x7f0000145000), 0x7dd) 2018/04/07 08:21:16 executing program 7: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) r1 = dup(r0) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x4, 0x32, 0xffffffffffffffff, 0x0) getsockopt$inet_sctp6_SCTP_GET_PEER_ADDRS(r1, 0x84, 0x6c, &(0x7f0000000200), &(0x7f0000000240)=0x8) futex(&(0x7f0000000040), 0x0, 0x0, &(0x7f0000000080), &(0x7f0000000240), 0x0) 2018/04/07 08:21:16 executing program 4: r0 = memfd_create(&(0x7f00000000c0)='[*[\x00', 0x0) write(r0, &(0x7f0000000040)="f7ea42337eb805da8d24d09f3c2100580900ccd45da0739a805009d8", 0x1c) write$sndseq(r0, &(0x7f0000000400)=[{0x0, 0x0, 0x0, 0x0, @tick, {}, {}, @quote}, {0x0, 0x0, 0x0, 0x0, @time={0x77359400}, {}, {}, @raw8={"06d3cb89f296bbb7d8acde89"}}, {0x1, 0x0, 0x70c, 0x3, @tick=0x3, {0x3, 0x2}, {0x6, 0x6}, @ext={0xd3, &(0x7f0000000300)="8776aee425040cae8a4781c89a711bcd1b5ac394bb087ccc8c382c2bf86a8be74e1bfadf30709e79024bbdb60913e6173c42e90b5bb2b90888b485eb1bfdb54508b0f1830e5dbc1c16198c8df7880e9a01b4698bc7f85db94072c227163bca07cb47dfa7614e50e7436ada0a6bdee3dc4883d3f317d12b920a1e7f00c75181c22c407396f7b22a9e13b246aba78ca86c116d8c6dff7eb83011de36f0e3e182e47312b86150eb9c8b737ac99b6aae2ac59fd8b4fc976ca1db9028fa9c86ab6abc868a54270430eec544cc659da51fe7919424a9"}}, {0x0, 0x5, 0x7, 0x8, @tick=0x8, {0x4, 0xfffffffffffffffe}, {0x1, 0x2}, @time=@tick=0x6}, {0x10001, 0x2, 0x1, 0xfffffffffffffffe, @tick=0x3, {0x0, 0x9}, {0x24c, 0x5}, @raw32={[0x5e, 0x7f, 0x9]}}], 0xf0) timerfd_settime(0xffffffffffffffff, 0x800000000000003, &(0x7f0000000080), &(0x7f0000000140)) 2018/04/07 08:21:16 executing program 6: r0 = syz_open_dev$sg(&(0x7f0000265ff7)='/dev/sg#\x00', 0x0, 0x0) ioctl(r0, 0x2279, &(0x7f0000000600)) 2018/04/07 08:21:16 executing program 0: mmap(&(0x7f0000000000/0xb2a000)=nil, 0xb2a000, 0x0, 0x32, 0xffffffffffffffff, 0x0) r0 = socket$inet6(0xa, 0x1, 0x0) getsockopt$inet6_buf(r0, 0x29, 0x6, &(0x7f0000925000)=""/72, &(0x7f0000d1b252)=0x48) 2018/04/07 08:21:16 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_generic(r0, &(0x7f00009edfc8)={&(0x7f0000272ff4)={0x10}, 0xc, &(0x7f00009e4ff0)={&(0x7f000030a000)={0x20, 0x18, 0x1, 0x0, 0x0, {0x2}, [@typed={0xc, 0x16c, @u32}]}, 0x20}, 0x1}, 0x0) 2018/04/07 08:21:16 executing program 2: r0 = socket(0x2, 0x2000080003, 0x2) getsockopt(r0, 0x0, 0xcf, &(0x7f0000000000)=""/8, &(0x7f0000000040)=0x8) 2018/04/07 08:21:16 executing program 1: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x1008000000000004, 0x4) r1 = socket$packet(0x11, 0x400000002, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000ff5ffc)={0x0, 0x3}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x4e20, @rand_addr}, 0x10) poll(&(0x7f0000000080)=[{r1}], 0x1, 0x0) [ 57.878683] IPv4: Oversized IP packet from 127.0.0.1 2018/04/07 08:21:16 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x1, 0x32, 0xffffffffffffffff, 0x0) ioctl$sock_SIOCGIFBR(r0, 0x8940, &(0x7f0000000000)=@generic) 2018/04/07 08:21:16 executing program 6: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$packet_int(r0, 0x107, 0x14, &(0x7f0000000000), 0xfe5b) 2018/04/07 08:21:17 executing program 4: r0 = memfd_create(&(0x7f00000000c0)='[*[\x00', 0x0) write(r0, &(0x7f0000000040)="f7ea42337eb805da8d24d09f3c2100580900ccd45da0739a805009d8", 0x1c) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x4, 0x11, r0, 0x0) timerfd_settime(0xffffffffffffffff, 0x800000000000003, &(0x7f0000000080), &(0x7f0000000140)) 2018/04/07 08:21:17 executing program 0: mmap(&(0x7f0000000000/0xb2a000)=nil, 0xb2a000, 0x0, 0x32, 0xffffffffffffffff, 0x0) setsockopt$inet6_int(0xffffffffffffffff, 0x29, 0x42, &(0x7f0000d1bffc)=0x4, 0x4) getsockopt$inet6_buf(0xffffffffffffffff, 0x29, 0x6, &(0x7f0000925000)=""/72, &(0x7f0000d1b252)=0x48) 2018/04/07 08:21:17 executing program 3: r0 = socket$inet6(0xa, 0x1, 0x0) r1 = fcntl$dupfd(r0, 0x0, r0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f00000000c0)={@empty, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffeffff}, 0x20) 2018/04/07 08:21:17 executing program 5: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_INITMSG(r0, 0x84, 0x2, &(0x7f0000651ff8), 0xc) 2018/04/07 08:21:17 executing program 2: capset(&(0x7f0000fb2000)={0x20080522}, &(0x7f0000000580)) r0 = socket$inet6_sctp(0xa, 0x5, 0x84) ioctl$sock_ifreq(r0, 0x89f1, &(0x7f0000000000)={'ip6_vti0\x00', @ifru_data=&(0x7f0000000180)="d61a072afa6a2e6e9105a65cf0b08be4d57565e1a85eff283ee23d954743a2e3"}) 2018/04/07 08:21:17 executing program 1: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x1008000000000004, 0x4) r1 = socket$packet(0x11, 0x400000002, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000ff5ffc)={0x0, 0x3}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x4e20, @rand_addr}, 0x10) poll(&(0x7f0000000080)=[{r1}], 0x1, 0x0) 2018/04/07 08:21:17 executing program 6: r0 = socket$inet_tcp(0x2, 0x1, 0x0) ioctl$sock_SIOCETHTOOL(r0, 0x8946, &(0x7f0000000080)={"6c6f0000000000000c95000c002000", &(0x7f00000000c0)=@ethtool_cmd={0x27}}) 2018/04/07 08:21:17 executing program 7: mmap(&(0x7f0000000000/0xfbe000)=nil, 0xfbe000, 0x0, 0x31, 0xffffffffffffffff, 0x0) r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000000280)='tunl0\x00', 0x10) [ 58.247681] IPv4: Oversized IP packet from 127.0.0.1 2018/04/07 08:21:17 executing program 1: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x1008000000000004, 0x4) r1 = socket$packet(0x11, 0x400000002, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000ff5ffc)={0x0, 0x3}, 0x4) poll(&(0x7f0000000080)=[{r1}], 0x1, 0x0) 2018/04/07 08:21:17 executing program 0: r0 = socket$inet6(0xa, 0x1, 0x0) setsockopt$inet6_int(r0, 0x29, 0x42, &(0x7f0000d1bffc)=0x4, 0x4) getsockopt$inet6_buf(r0, 0x29, 0x6, &(0x7f0000925000)=""/72, &(0x7f0000d1b252)=0x48) 2018/04/07 08:21:17 executing program 5: prctl$intptr(0x1d, 0x3) 2018/04/07 08:21:17 executing program 4: r0 = memfd_create(&(0x7f00000000c0)='[*[\x00', 0x0) write(r0, &(0x7f0000000040)="f7ea42337eb805da8d24d09f3c2100580900ccd45da0739a805009d8", 0x1c) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x4, 0x11, r0, 0x0) timerfd_settime(0xffffffffffffffff, 0x800000000000003, &(0x7f0000000080), &(0x7f0000000140)) 2018/04/07 08:21:17 executing program 2: r0 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_tcp_int(r0, 0x6, 0xe, &(0x7f0000000000), 0x4) 2018/04/07 08:21:17 executing program 3: r0 = socket$unix(0x1, 0x1, 0x0) bind$unix(r0, &(0x7f000093f000)=@abs={0x1}, 0x79) 2018/04/07 08:21:17 executing program 7: r0 = socket$inet6_dccp(0xa, 0x6, 0x0) getsockopt(r0, 0x10d, 0x5, &(0x7f0000898ffc)=""/4, &(0x7f00007b3ffc)=0x4) 2018/04/07 08:21:17 executing program 6: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f00008f0000)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000510ffc)=0x1b) ioctl$KDSKBSENT(r0, 0x4b49, &(0x7f0000000040)) 2018/04/07 08:21:17 executing program 1: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x1008000000000004, 0x4) r1 = socket$packet(0x11, 0x400000002, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000ff5ffc)={0x0, 0x3}, 0x4) poll(&(0x7f0000000080)=[{r1}], 0x1, 0x0) 2018/04/07 08:21:17 executing program 2: r0 = socket$inet_dccp(0x2, 0x6, 0x0) setsockopt(r0, 0x800000010d, 0x2, &(0x7f0000000000)="fb1842ff2a16f840199948eafa34af0d3affbfcd2f63794116bb011b319d58f867d7249aba57ac12c7f643fabc5403b130ac1e80c267521c2c59bbddb731484168aedf5cb97870a82efa5acd0fef285ee1ca10d78e93c552e4461b15c146b4b3876b1e6dda5cd9bb5ce3ed21d66f8845a9c794540d9889c99cbc146a359a954778", 0x81) 2018/04/07 08:21:17 executing program 4: r0 = memfd_create(&(0x7f00000000c0)='[*[\x00', 0x0) write(r0, &(0x7f0000000040)="f7ea42337eb805da8d24d09f3c2100580900ccd45da0739a805009d8", 0x1c) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x4, 0x11, r0, 0x0) timerfd_settime(0xffffffffffffffff, 0x800000000000003, &(0x7f0000000080), &(0x7f0000000140)) 2018/04/07 08:21:17 executing program 0: r0 = socket$inet6(0xa, 0x1, 0x0) setsockopt$inet6_int(r0, 0x29, 0x42, &(0x7f0000d1bffc)=0x4, 0x4) getsockopt$inet6_buf(r0, 0x29, 0x6, &(0x7f0000925000)=""/72, &(0x7f0000d1b252)=0x48) 2018/04/07 08:21:17 executing program 5: mkdir(&(0x7f0000000000)='./file0\x00', 0x0) perf_event_open(&(0x7f000000a000)={0x1, 0x78, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000496fff)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f00009f8000)='./file0\x00', &(0x7f0000343ff8)='./file0\x00', &(0x7f00005f7ffb)='nfs4\x00', 0x0, &(0x7f000000a000)) 2018/04/07 08:21:17 executing program 3: bpf$MAP_CREATE(0x0, &(0x7f0000733000)={0x5, 0x1, 0x5, 0xb}, 0x1c) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000733000)={0x1, 0x1, 0x5, 0x9}, 0x2c) r1 = bpf$MAP_CREATE(0x0, &(0x7f00004f9fe4)={0xc, 0x4, 0x4, 0x100000001, 0x0, r0}, 0x1c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00005f1000)={r1, &(0x7f0000eed000), &(0x7f0000b88000)="13"}, 0x20) 2018/04/07 08:21:17 executing program 6: r0 = socket$inet6(0xa, 0x3, 0x2c) setsockopt$inet6_int(r0, 0x29, 0x48, &(0x7f0000000140), 0x4) 2018/04/07 08:21:17 executing program 7: unshare(0x20000) r0 = gettid() r1 = syz_open_procfs(r0, &(0x7f0000000080)='net/\x00cmp\x00') exit(0x0) fstat(r1, &(0x7f0000000200)) 2018/04/07 08:21:17 executing program 1: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x1008000000000004, 0x4) r1 = socket$packet(0x11, 0x400000002, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000ff5ffc)={0x0, 0x3}, 0x4) poll(&(0x7f0000000080)=[{r1}], 0x1, 0x0) 2018/04/07 08:21:17 executing program 5: r0 = socket$kcm(0x29, 0x5, 0x0) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x0, 0x32, 0xffffffffffffffff, 0x0) fsetxattr(r0, &(0x7f0000256feb)=@known='system.sockprotoname\x00', &(0x7f0000484ff1)='\nproc/system(-\x00', 0xf, 0x0) 2018/04/07 08:21:17 executing program 0: r0 = socket$inet6(0xa, 0x1, 0x0) setsockopt$inet6_int(r0, 0x29, 0x42, &(0x7f0000d1bffc)=0x4, 0x4) getsockopt$inet6_buf(r0, 0x29, 0x6, &(0x7f0000925000)=""/72, &(0x7f0000d1b252)=0x48) 2018/04/07 08:21:17 executing program 2: mmap(&(0x7f0000000000/0xd25000)=nil, 0xd25000, 0x0, 0x32, 0xffffffffffffffff, 0x0) r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_FRAGMENT_INTERLEAVE(r0, 0x84, 0x12, &(0x7f0000000000), 0x4) 2018/04/07 08:21:17 executing program 4: r0 = memfd_create(&(0x7f00000000c0)='[*[\x00', 0x0) write$sndseq(r0, &(0x7f0000000400)=[{0x0, 0x0, 0x0, 0x0, @tick, {}, {}, @quote}, {0x0, 0x0, 0x0, 0x0, @time={0x77359400}, {}, {}, @raw8={"06d3cb89f296bbb7d8acde89"}}, {0x1, 0x0, 0x70c, 0x3, @tick=0x3, {0x3, 0x2}, {0x6, 0x6}, @ext={0xd3, &(0x7f0000000300)="8776aee425040cae8a4781c89a711bcd1b5ac394bb087ccc8c382c2bf86a8be74e1bfadf30709e79024bbdb60913e6173c42e90b5bb2b90888b485eb1bfdb54508b0f1830e5dbc1c16198c8df7880e9a01b4698bc7f85db94072c227163bca07cb47dfa7614e50e7436ada0a6bdee3dc4883d3f317d12b920a1e7f00c75181c22c407396f7b22a9e13b246aba78ca86c116d8c6dff7eb83011de36f0e3e182e47312b86150eb9c8b737ac99b6aae2ac59fd8b4fc976ca1db9028fa9c86ab6abc868a54270430eec544cc659da51fe7919424a9"}}, {0x0, 0x5, 0x7, 0x8, @tick=0x8, {0x4, 0xfffffffffffffffe}, {0x1, 0x2}, @time=@tick=0x6}, {0x10001, 0x2, 0x1, 0xfffffffffffffffe, @tick=0x3, {0x0, 0x9}, {0x24c, 0x5}, @raw32={[0x5e, 0x7f, 0x9]}}], 0xf0) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x4, 0x11, r0, 0x0) timerfd_settime(0xffffffffffffffff, 0x800000000000003, &(0x7f0000000080), &(0x7f0000000140)) 2018/04/07 08:21:17 executing program 6: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000c22000)={0x26, 'hash\x00', 0x0, 0x0, 'tgr192-generic\x00'}, 0x58) r1 = accept$alg(r0, 0x0, 0x0) writev(r1, &(0x7f0000ea1fe0)=[{&(0x7f000009f000)="4478ac3e5490bc2ab21f52b357cc09b11d26a20e08537cfd948fca23081bfc02166beac62d9594dd2e790206bf4bb33409db7a4986ec13", 0x37}], 0x1) socket$inet6(0xa, 0x0, 0x2b) 2018/04/07 08:21:18 executing program 3: r0 = socket$inet(0x2, 0x6, 0x0) ioctl$sock_SIOCETHTOOL(r0, 0x8946, &(0x7f0000000280)={'gre0\x00', &(0x7f0000000180)=@ethtool_flash={0x33, 0x0, "28975c5f689152d54c15909777452ef09761b3595489dca186db91f4cb98c71258c2bd01aa4232687dd9a639d12c484ed39807b7c1b4fc8e4eac7ad2f6aba717cb00d3d58521eafebf3e3994b833f5487b18c3332cd88b68bf5612cfe56ae2cb31ab914ce727cefb79405d5203ef755d852a347c748f577723fd9070a5fcbedd"}}) 2018/04/07 08:21:18 executing program 5: mmap(&(0x7f0000000000/0x95c000)=nil, 0x95c000, 0x0, 0x44031, 0xffffffffffffffff, 0x0) select(0x40, &(0x7f0000000000), &(0x7f0000000040), &(0x7f0000000080), &(0x7f00000000c0)={0x77359400}) 2018/04/07 08:21:18 executing program 1: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x1008000000000004, 0x4) r1 = socket$packet(0x11, 0x400000002, 0x300) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x4e20, @rand_addr}, 0x10) poll(&(0x7f0000000080)=[{r1}], 0x1, 0x0) 2018/04/07 08:21:18 executing program 4: r0 = memfd_create(&(0x7f00000000c0)='[*[\x00', 0x0) write$sndseq(r0, &(0x7f0000000400)=[{0x0, 0x0, 0x0, 0x0, @tick, {}, {}, @quote}, {0x0, 0x0, 0x0, 0x0, @time={0x77359400}, {}, {}, @raw8={"06d3cb89f296bbb7d8acde89"}}, {0x1, 0x0, 0x70c, 0x3, @tick=0x3, {0x3, 0x2}, {0x6, 0x6}, @ext={0xd3, &(0x7f0000000300)="8776aee425040cae8a4781c89a711bcd1b5ac394bb087ccc8c382c2bf86a8be74e1bfadf30709e79024bbdb60913e6173c42e90b5bb2b90888b485eb1bfdb54508b0f1830e5dbc1c16198c8df7880e9a01b4698bc7f85db94072c227163bca07cb47dfa7614e50e7436ada0a6bdee3dc4883d3f317d12b920a1e7f00c75181c22c407396f7b22a9e13b246aba78ca86c116d8c6dff7eb83011de36f0e3e182e47312b86150eb9c8b737ac99b6aae2ac59fd8b4fc976ca1db9028fa9c86ab6abc868a54270430eec544cc659da51fe7919424a9"}}, {0x0, 0x5, 0x7, 0x8, @tick=0x8, {0x4, 0xfffffffffffffffe}, {0x1, 0x2}, @time=@tick=0x6}, {0x10001, 0x2, 0x1, 0xfffffffffffffffe, @tick=0x3, {0x0, 0x9}, {0x24c, 0x5}, @raw32={[0x5e, 0x7f, 0x9]}}], 0xf0) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x4, 0x11, r0, 0x0) timerfd_settime(0xffffffffffffffff, 0x800000000000003, &(0x7f0000000080), &(0x7f0000000140)) 2018/04/07 08:21:18 executing program 0: mmap(&(0x7f0000000000/0xb2a000)=nil, 0xb2a000, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet6(0xa, 0x1, 0x0) setsockopt$inet6_int(r0, 0x29, 0x42, &(0x7f0000d1bffc)=0x4, 0x4) getsockopt$inet6_buf(r0, 0x29, 0x6, &(0x7f0000925000)=""/72, &(0x7f0000d1b252)=0x48) 2018/04/07 08:21:18 executing program 3: r0 = socket$nl_netfilter(0x10, 0x3, 0xc) bind$netlink(r0, &(0x7f00000000c0)={0x10, 0x0, 0x25dfdbfe}, 0xc) bind$netlink(r0, &(0x7f0000000100)={0x10, 0x0, 0x25dfdbfe, 0x100000}, 0xc) 2018/04/07 08:21:18 executing program 2: r0 = perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = perf_event_open(&(0x7f0000001f88)={0x1, 0x78, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8001, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000000fff)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$PERF_EVENT_IOC_SET_OUTPUT(r1, 0x2405, r0) 2018/04/07 08:21:18 executing program 5: r0 = socket$inet(0x2, 0x840000000003, 0x2) setsockopt$inet_int(r0, 0x0, 0xc8, &(0x7f00004fd000), 0x4) setsockopt$inet_int(r0, 0x0, 0x20040000000000d1, &(0x7f0000000ffc), 0x4) 2018/04/07 08:21:18 executing program 7: r0 = openat$autofs(0xffffffffffffff9c, &(0x7f0000ca3000)='/dev/autofs\x00', 0x0, 0x0) ioctl(r0, 0x800000000000937b, &(0x7f0000000000)) 2018/04/07 08:21:18 executing program 6: r0 = socket$inet_tcp(0x2, 0x1, 0x0) ioctl$sock_SIOCETHTOOL(r0, 0x8946, &(0x7f0000000040)={'ip6gretap0\x00', &(0x7f0000000140)=@ethtool_drvinfo={0x3, "720fb872f42119e91646c939d94fc90991b07963f5859f130c4c1304efcf61b5", "c91103b13de7f8a87f9ed2d53a1c9196a892cba179424c565ff74d6308c94815", "983400d24def2a14c29f174fef53b2f83b876c0661888942393e199dc1faec8a", "3c7f242942669540cd487baf84b1d194df85a67a8baf5839e36e92d427fc816d", "5d33eac1a10f003321586fccf45cb029c3d7916a569bc9995a7458823da0291f", "6234f2f245dac0eb56754518"}}) [ 59.873993] IPv4: Oversized IP packet from 127.0.0.1 2018/04/07 08:21:18 executing program 4: r0 = memfd_create(&(0x7f00000000c0)='[*[\x00', 0x0) write$sndseq(r0, &(0x7f0000000400)=[{0x0, 0x0, 0x0, 0x0, @tick, {}, {}, @quote}, {0x0, 0x0, 0x0, 0x0, @time={0x77359400}, {}, {}, @raw8={"06d3cb89f296bbb7d8acde89"}}, {0x1, 0x0, 0x70c, 0x3, @tick=0x3, {0x3, 0x2}, {0x6, 0x6}, @ext={0xd3, &(0x7f0000000300)="8776aee425040cae8a4781c89a711bcd1b5ac394bb087ccc8c382c2bf86a8be74e1bfadf30709e79024bbdb60913e6173c42e90b5bb2b90888b485eb1bfdb54508b0f1830e5dbc1c16198c8df7880e9a01b4698bc7f85db94072c227163bca07cb47dfa7614e50e7436ada0a6bdee3dc4883d3f317d12b920a1e7f00c75181c22c407396f7b22a9e13b246aba78ca86c116d8c6dff7eb83011de36f0e3e182e47312b86150eb9c8b737ac99b6aae2ac59fd8b4fc976ca1db9028fa9c86ab6abc868a54270430eec544cc659da51fe7919424a9"}}, {0x0, 0x5, 0x7, 0x8, @tick=0x8, {0x4, 0xfffffffffffffffe}, {0x1, 0x2}, @time=@tick=0x6}, {0x10001, 0x2, 0x1, 0xfffffffffffffffe, @tick=0x3, {0x0, 0x9}, {0x24c, 0x5}, @raw32={[0x5e, 0x7f, 0x9]}}], 0xf0) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x4, 0x11, r0, 0x0) timerfd_settime(0xffffffffffffffff, 0x800000000000003, &(0x7f0000000080), &(0x7f0000000140)) 2018/04/07 08:21:18 executing program 0: mmap(&(0x7f0000000000/0xb2a000)=nil, 0xb2a000, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet6(0xa, 0x1, 0x0) setsockopt$inet6_int(r0, 0x29, 0x42, &(0x7f0000d1bffc)=0x4, 0x4) getsockopt$inet6_buf(r0, 0x29, 0x6, &(0x7f0000925000)=""/72, &(0x7f0000d1b252)=0x48) 2018/04/07 08:21:18 executing program 6: r0 = openat$vnet(0xffffffffffffff9c, &(0x7f00002ac000)='/dev/vhost-net\x00', 0x2, 0x0) ioctl$VHOST_GET_FEATURES(r0, 0x8008af00, &(0x7f0000001040)) 2018/04/07 08:21:18 executing program 1: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x1008000000000004, 0x4) r1 = socket$packet(0x11, 0x400000002, 0x300) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x4e20, @rand_addr}, 0x10) poll(&(0x7f0000000080)=[{r1}], 0x1, 0x0) 2018/04/07 08:21:18 executing program 3: clock_adjtime(0x74971e1c8834865b, &(0x7f0000000140)) 2018/04/07 08:21:19 executing program 7: r0 = socket$inet6(0xa, 0x5, 0x0) setsockopt$inet_int(r0, 0x0, 0x21, &(0x7f0000d10ffc), 0x2) 2018/04/07 08:21:19 executing program 2: r0 = socket$inet6(0xa, 0x803, 0x2) getsockopt$inet6_int(r0, 0x29, 0xce, &(0x7f00000001c0), &(0x7f0000000200)=0x4) 2018/04/07 08:21:19 executing program 5: r0 = syz_open_dev$urandom(&(0x7f0000000000)='/dev/urandom\x00', 0x0, 0x0) ioctl$RNDADDENTROPY(r0, 0x40085203, &(0x7f0000000040)) [ 60.157520] IPv4: Oversized IP packet from 127.0.0.1 2018/04/07 08:21:19 executing program 4: write(0xffffffffffffffff, &(0x7f0000000040)="f7ea42337eb805da8d24d09f3c2100580900ccd45da0739a805009d8", 0x1c) write$sndseq(0xffffffffffffffff, &(0x7f0000000400)=[{0x0, 0x0, 0x0, 0x0, @tick, {}, {}, @quote}, {0x0, 0x0, 0x0, 0x0, @time={0x77359400}, {}, {}, @raw8={"06d3cb89f296bbb7d8acde89"}}, {0x1, 0x0, 0x70c, 0x3, @tick=0x3, {0x3, 0x2}, {0x6, 0x6}, @ext={0xd3, &(0x7f0000000300)="8776aee425040cae8a4781c89a711bcd1b5ac394bb087ccc8c382c2bf86a8be74e1bfadf30709e79024bbdb60913e6173c42e90b5bb2b90888b485eb1bfdb54508b0f1830e5dbc1c16198c8df7880e9a01b4698bc7f85db94072c227163bca07cb47dfa7614e50e7436ada0a6bdee3dc4883d3f317d12b920a1e7f00c75181c22c407396f7b22a9e13b246aba78ca86c116d8c6dff7eb83011de36f0e3e182e47312b86150eb9c8b737ac99b6aae2ac59fd8b4fc976ca1db9028fa9c86ab6abc868a54270430eec544cc659da51fe7919424a9"}}, {0x0, 0x5, 0x7, 0x8, @tick=0x8, {0x4, 0xfffffffffffffffe}, {0x1, 0x2}, @time=@tick=0x6}, {0x10001, 0x2, 0x1, 0xfffffffffffffffe, @tick=0x3, {0x0, 0x9}, {0x24c, 0x5}, @raw32={[0x5e, 0x7f, 0x9]}}], 0xf0) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x4, 0x11, 0xffffffffffffffff, 0x0) timerfd_settime(0xffffffffffffffff, 0x800000000000003, &(0x7f0000000080), &(0x7f0000000140)) 2018/04/07 08:21:19 executing program 0: mmap(&(0x7f0000000000/0xb2a000)=nil, 0xb2a000, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet6(0xa, 0x1, 0x0) setsockopt$inet6_int(r0, 0x29, 0x42, &(0x7f0000d1bffc)=0x4, 0x4) getsockopt$inet6_buf(r0, 0x29, 0x6, &(0x7f0000925000)=""/72, &(0x7f0000d1b252)=0x48) 2018/04/07 08:21:19 executing program 3: rmdir(&(0x7f00000000c0)='.') 2018/04/07 08:21:19 executing program 6: r0 = socket$inet(0x2, 0x1, 0x0) getsockopt$inet_tcp_int(r0, 0x6, 0x3, &(0x7f0000000080), &(0x7f0000000240)=0x4) 2018/04/07 08:21:19 executing program 5: r0 = gettid() exit(0x0) rt_tgsigqueueinfo(r0, r0, 0x0, &(0x7f0000000040)={0x0, 0x0, 0x80000001}) 2018/04/07 08:21:19 executing program 7: mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x4, 0x32, 0xffffffffffffffff, 0x0) r0 = socket$inet_tcp(0x2, 0x1, 0x0) getsockopt$inet_mreq(r0, 0x0, 0x20, &(0x7f0000001000)={@broadcast, @remote}, &(0x7f0000012000)=0x8) dup3(0xffffffffffffffff, 0xffffffffffffffff, 0x0) 2018/04/07 08:21:19 executing program 1: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x1008000000000004, 0x4) r1 = socket$packet(0x11, 0x400000002, 0x300) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x4e20, @rand_addr}, 0x10) poll(&(0x7f0000000080)=[{r1}], 0x1, 0x0) 2018/04/07 08:21:19 executing program 2: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) getsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r0, 0x84, 0x1f, &(0x7f0000000300)={0x0, @in={{0x2, 0x4e20, @multicast2=0xe0000002}}}, &(0x7f0000000000)=0x26) 2018/04/07 08:21:19 executing program 7: fcntl$getownex(0xffffffffffffffff, 0x10, &(0x7f00000000c0)) r0 = syz_open_procfs(0x0, &(0x7f0000000080)='net/xfrm_stat\x00') preadv(r0, &(0x7f0000000000)=[{&(0x7f0000002fff)=""/1, 0x1}], 0x1, 0x480000000000000) 2018/04/07 08:21:19 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000dfdfa8)={0x26, 'hash\x00', 0x0, 0x0, 'rmd160-generic\x00'}, 0x58) r1 = accept4$alg(r0, 0x0, 0x0, 0x0) sendto$inet6(r1, &(0x7f000056cf87)="b912239005d527c4cfac287122a3c59606fd2fbff8c1edb19391a2e9593ff9a4a2c99509edb380a0676e65c376eefe34c58d3f81ebe1e086", 0x38, 0x0, &(0x7f0000d5ffe4)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) [ 60.422734] IPv4: Oversized IP packet from 127.0.0.1 2018/04/07 08:21:19 executing program 2: r0 = socket$inet6(0xa, 0x1, 0x0) sendto$inet6(0xffffffffffffffff, &(0x7f0000000080), 0x0, 0x0, &(0x7f0000000000)={0xa, 0x4e20, 0x0, @dev={0xfe, 0x80}}, 0x1c) getsockopt$sock_int(r0, 0x1, 0x26, &(0x7f0000000100), &(0x7f0000000140)=0x4) 2018/04/07 08:21:19 executing program 0: mmap(&(0x7f0000000000/0xb2a000)=nil, 0xb2a000, 0x0, 0x32, 0xffffffffffffffff, 0x0) r0 = socket$inet6(0xa, 0x0, 0x0) setsockopt$inet6_int(r0, 0x29, 0x42, &(0x7f0000d1bffc)=0x4, 0x4) getsockopt$inet6_buf(r0, 0x29, 0x6, &(0x7f0000925000)=""/72, &(0x7f0000d1b252)=0x48) 2018/04/07 08:21:19 executing program 6: r0 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000100)={0x2, 0x18, 0x0, 0x0, 0xe, 0x0, 0x0, 0x0, [@sadb_x_kmaddress={0x8, 0x19, 0x0, @in6={0xa, 0x4e20, 0x0, @local={0xfe, 0x80, [], 0xaa}}, @in6={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}}, @sadb_lifetime={0x4, 0x6, 0xa0d, 0x2}]}, 0x70}, 0x1}, 0x0) 2018/04/07 08:21:19 executing program 4: write(0xffffffffffffffff, &(0x7f0000000040)="f7ea42337eb805da8d24d09f3c2100580900ccd45da0739a805009d8", 0x1c) write$sndseq(0xffffffffffffffff, &(0x7f0000000400)=[{0x0, 0x0, 0x0, 0x0, @tick, {}, {}, @quote}, {0x0, 0x0, 0x0, 0x0, @time={0x77359400}, {}, {}, @raw8={"06d3cb89f296bbb7d8acde89"}}, {0x1, 0x0, 0x70c, 0x3, @tick=0x3, {0x3, 0x2}, {0x6, 0x6}, @ext={0xd3, &(0x7f0000000300)="8776aee425040cae8a4781c89a711bcd1b5ac394bb087ccc8c382c2bf86a8be74e1bfadf30709e79024bbdb60913e6173c42e90b5bb2b90888b485eb1bfdb54508b0f1830e5dbc1c16198c8df7880e9a01b4698bc7f85db94072c227163bca07cb47dfa7614e50e7436ada0a6bdee3dc4883d3f317d12b920a1e7f00c75181c22c407396f7b22a9e13b246aba78ca86c116d8c6dff7eb83011de36f0e3e182e47312b86150eb9c8b737ac99b6aae2ac59fd8b4fc976ca1db9028fa9c86ab6abc868a54270430eec544cc659da51fe7919424a9"}}, {0x0, 0x5, 0x7, 0x8, @tick=0x8, {0x4, 0xfffffffffffffffe}, {0x1, 0x2}, @time=@tick=0x6}, {0x10001, 0x2, 0x1, 0xfffffffffffffffe, @tick=0x3, {0x0, 0x9}, {0x24c, 0x5}, @raw32={[0x5e, 0x7f, 0x9]}}], 0xf0) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x4, 0x11, 0xffffffffffffffff, 0x0) timerfd_settime(0xffffffffffffffff, 0x800000000000003, &(0x7f0000000080), &(0x7f0000000140)) 2018/04/07 08:21:19 executing program 1: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x1008000000000004, 0x4) setsockopt$packet_fanout(0xffffffffffffffff, 0x107, 0x12, &(0x7f0000ff5ffc)={0x0, 0x3}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x4e20, @rand_addr}, 0x10) poll(&(0x7f0000000080)=[{}], 0x1, 0x0) [ 60.707292] IPv4: Oversized IP packet from 127.0.0.1 2018/04/07 08:21:20 executing program 5: bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x8001f}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f00000ba000)={0x8, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x201a7f1b, 0x0, 0x201a7fd7, 0xa, 0x0, 0xffffffc0}], {0x95}}, &(0x7f0000f59000)='GPL\x00', 0x6, 0xfcb6, &(0x7f00001a7f05)=""/251}, 0x48) 2018/04/07 08:21:20 executing program 7: mkdir(&(0x7f00005b2000)='./file0\x00', 0x0) mount(&(0x7f0000212ff8)='./file0\x00', &(0x7f000078eff8)='./file0\x00', &(0x7f0000982ff9)='mqueue\x00', 0x0, &(0x7f0000653fff)) r0 = creat(&(0x7f0000000000)='./file0/bus\x00', 0x0) mmap(&(0x7f0000000000/0xfbf000)=nil, 0xfbf000, 0x1, 0x800000000000032, 0xffffffffffffffff, 0x0) mq_getsetattr(r0, &(0x7f00000000c0), 0x0) 2018/04/07 08:21:20 executing program 4: write(0xffffffffffffffff, &(0x7f0000000040)="f7ea42337eb805da8d24d09f3c2100580900ccd45da0739a805009d8", 0x1c) write$sndseq(0xffffffffffffffff, &(0x7f0000000400)=[{0x0, 0x0, 0x0, 0x0, @tick, {}, {}, @quote}, {0x0, 0x0, 0x0, 0x0, @time={0x77359400}, {}, {}, @raw8={"06d3cb89f296bbb7d8acde89"}}, {0x1, 0x0, 0x70c, 0x3, @tick=0x3, {0x3, 0x2}, {0x6, 0x6}, @ext={0xd3, &(0x7f0000000300)="8776aee425040cae8a4781c89a711bcd1b5ac394bb087ccc8c382c2bf86a8be74e1bfadf30709e79024bbdb60913e6173c42e90b5bb2b90888b485eb1bfdb54508b0f1830e5dbc1c16198c8df7880e9a01b4698bc7f85db94072c227163bca07cb47dfa7614e50e7436ada0a6bdee3dc4883d3f317d12b920a1e7f00c75181c22c407396f7b22a9e13b246aba78ca86c116d8c6dff7eb83011de36f0e3e182e47312b86150eb9c8b737ac99b6aae2ac59fd8b4fc976ca1db9028fa9c86ab6abc868a54270430eec544cc659da51fe7919424a9"}}, {0x0, 0x5, 0x7, 0x8, @tick=0x8, {0x4, 0xfffffffffffffffe}, {0x1, 0x2}, @time=@tick=0x6}, {0x10001, 0x2, 0x1, 0xfffffffffffffffe, @tick=0x3, {0x0, 0x9}, {0x24c, 0x5}, @raw32={[0x5e, 0x7f, 0x9]}}], 0xf0) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x4, 0x11, 0xffffffffffffffff, 0x0) timerfd_settime(0xffffffffffffffff, 0x800000000000003, &(0x7f0000000080), &(0x7f0000000140)) 2018/04/07 08:21:20 executing program 2: r0 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r0, &(0x7f0000f56000)={0x0, 0x0, &(0x7f00008feff0)={&(0x7f0000333f88)={0x2, 0x100000001, 0x0, 0x5, 0x8, 0x0, 0x0, 0x0, [@sadb_address={0x3, 0x6, 0x0, 0x0, 0x0, @in={0x2, 0x4e20, @multicast1=0xe0000001}}, @sadb_address={0x3, 0x5, 0x0, 0x0, 0x0, @in={0x2, 0x4e20, @multicast1=0xe0000001}}]}, 0x40}, 0x1}, 0x0) 2018/04/07 08:21:20 executing program 6: capset(&(0x7f0000581ff8)={0x19980330}, &(0x7f0000000240)) r0 = semget$private(0x0, 0x1, 0x0) semctl$GETVAL(r0, 0x0, 0xc, &(0x7f0000000040)=""/173) 2018/04/07 08:21:20 executing program 3: bpf$MAP_CREATE(0x0, &(0x7f0000000000)={0x10}, 0x2c) 2018/04/07 08:21:20 executing program 0: mmap(&(0x7f0000000000/0xb2a000)=nil, 0xb2a000, 0x0, 0x32, 0xffffffffffffffff, 0x0) r0 = socket$inet6(0xa, 0x1, 0x0) setsockopt$inet6_int(0xffffffffffffffff, 0x29, 0x42, &(0x7f0000d1bffc)=0x4, 0x4) getsockopt$inet6_buf(r0, 0x29, 0x6, &(0x7f0000925000)=""/72, &(0x7f0000d1b252)=0x48) 2018/04/07 08:21:20 executing program 1: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x1008000000000004, 0x4) setsockopt$packet_fanout(0xffffffffffffffff, 0x107, 0x12, &(0x7f0000ff5ffc)={0x0, 0x3}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x4e20, @rand_addr}, 0x10) poll(&(0x7f0000000080)=[{}], 0x1, 0x0) [ 61.426754] IPv4: Oversized IP packet from 127.0.0.1 [ 61.439214] capability: warning: `syz-executor6' uses 32-bit capabilities (legacy support in use) 2018/04/07 08:21:20 executing program 4: r0 = memfd_create(&(0x7f00000000c0)='[*[\x00', 0x0) write(0xffffffffffffffff, &(0x7f0000000040)="f7ea42337eb805da8d24d09f3c2100580900ccd45da0739a805009d8", 0x1c) write$sndseq(r0, &(0x7f0000000400)=[{0x0, 0x0, 0x0, 0x0, @tick, {}, {}, @quote}, {0x0, 0x0, 0x0, 0x0, @time={0x77359400}, {}, {}, @raw8={"06d3cb89f296bbb7d8acde89"}}, {0x1, 0x0, 0x70c, 0x3, @tick=0x3, {0x3, 0x2}, {0x6, 0x6}, @ext={0xd3, &(0x7f0000000300)="8776aee425040cae8a4781c89a711bcd1b5ac394bb087ccc8c382c2bf86a8be74e1bfadf30709e79024bbdb60913e6173c42e90b5bb2b90888b485eb1bfdb54508b0f1830e5dbc1c16198c8df7880e9a01b4698bc7f85db94072c227163bca07cb47dfa7614e50e7436ada0a6bdee3dc4883d3f317d12b920a1e7f00c75181c22c407396f7b22a9e13b246aba78ca86c116d8c6dff7eb83011de36f0e3e182e47312b86150eb9c8b737ac99b6aae2ac59fd8b4fc976ca1db9028fa9c86ab6abc868a54270430eec544cc659da51fe7919424a9"}}, {0x0, 0x5, 0x7, 0x8, @tick=0x8, {0x4, 0xfffffffffffffffe}, {0x1, 0x2}, @time=@tick=0x6}, {0x10001, 0x2, 0x1, 0xfffffffffffffffe, @tick=0x3, {0x0, 0x9}, {0x24c, 0x5}, @raw32={[0x5e, 0x7f, 0x9]}}], 0xf0) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x4, 0x11, r0, 0x0) timerfd_settime(0xffffffffffffffff, 0x800000000000003, &(0x7f0000000080), &(0x7f0000000140)) 2018/04/07 08:21:20 executing program 0: mmap(&(0x7f0000000000/0xb2a000)=nil, 0xb2a000, 0x0, 0x32, 0xffffffffffffffff, 0x0) r0 = socket$inet6(0xa, 0x1, 0x0) setsockopt$inet6_int(0xffffffffffffffff, 0x29, 0x42, &(0x7f0000d1bffc)=0x4, 0x4) getsockopt$inet6_buf(r0, 0x29, 0x6, &(0x7f0000925000)=""/72, &(0x7f0000d1b252)=0x48) 2018/04/07 08:21:20 executing program 2: setsockopt$SO_BINDTODEVICE(0xffffffffffffffff, 0x1, 0x19, &(0x7f00000000c0)='bridge0\x00', 0x10) r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$packet_int(r0, 0x107, 0xf, &(0x7f0000006ffc)=0x6, 0x4) setsockopt$SO_TIMESTAMPING(r0, 0x1, 0x25, &(0x7f0000000000)=0x100, 0x4) getsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, &(0x7f00000002c0)=""/143, &(0x7f00000000c0)=0x14e) sendto$inet6(r0, &(0x7f00000000c0), 0x246, 0x0, &(0x7f0000005fe4)={0xa, 0x4e20, 0x100000002, @mcast2={0xff, 0x2, [], 0x1}}, 0x1c) 2018/04/07 08:21:20 executing program 3: r0 = socket$packet(0x11, 0x80200000000002, 0x300) r1 = fcntl$dupfd(r0, 0x0, r0) setsockopt$SO_TIMESTAMPING(r1, 0x1, 0x25, &(0x7f0000000000)=0x320, 0x4) sendto$inet6(r1, &(0x7f0000000040)='!', 0x1, 0x0, &(0x7f0000008000)={0xa, 0x4e20, 0x100000002, @mcast2={0xff, 0x2, [], 0x1}}, 0x1c) futimesat(0xffffffffffffffff, &(0x7f0000000300)='./file0\x00', &(0x7f0000000340)={{0x0, 0x7530}, {0x77359400}}) recvmsg(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000280)=[{&(0x7f0000000080)=""/138}, {&(0x7f0000000140)=""/158}], 0x2000000000000135, &(0x7f0000000500)=""/115, 0x73}, 0x2000) 2018/04/07 08:21:20 executing program 1: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x1008000000000004, 0x4) setsockopt$packet_fanout(0xffffffffffffffff, 0x107, 0x12, &(0x7f0000ff5ffc)={0x0, 0x3}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x4e20, @rand_addr}, 0x10) poll(&(0x7f0000000080)=[{}], 0x1, 0x0) 2018/04/07 08:21:20 executing program 5: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x10, 0xffffffffffffffff, 0x0) pipe2(&(0x7f0000edeff8)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f00005f4000)='/dev/loop-control\x00', 0x0, 0x0) ioctl$int_in(r0, 0x5452, &(0x7f0000affff8)=0x7) dup2(0xffffffffffffffff, 0xffffffffffffffff) 2018/04/07 08:21:20 executing program 6: pipe(&(0x7f0000002000)={0x0, 0x0}) r1 = socket$inet(0x2, 0x4000000805, 0x0) r2 = dup3(r1, r0, 0x0) sendto$inet(r1, &(0x7f0000fa3fff)='\t', 0x1, 0x0, &(0x7f00006f7000)={0x2, 0x4e20, @remote={0xac, 0x14, 0xffffffffffffffff, 0xbb}}, 0x10) setsockopt$inet_sctp_SCTP_AUTO_ASCONF(r1, 0x84, 0x1e, &(0x7f0000794ffc)=0x7, 0x4) setsockopt$inet_sctp6_SCTP_AUTO_ASCONF(r2, 0x84, 0x1e, &(0x7f0000abeffc)=0x5b, 0x4) 2018/04/07 08:21:20 executing program 7: bpf$MAP_CREATE(0x0, &(0x7f00000001c0)={0x1, 0x0, 0x0, 0x0, 0x2}, 0x2c) 2018/04/07 08:21:20 executing program 0: mmap(&(0x7f0000000000/0xb2a000)=nil, 0xb2a000, 0x0, 0x32, 0xffffffffffffffff, 0x0) r0 = socket$inet6(0xa, 0x1, 0x0) setsockopt$inet6_int(0xffffffffffffffff, 0x29, 0x42, &(0x7f0000d1bffc)=0x4, 0x4) getsockopt$inet6_buf(r0, 0x29, 0x6, &(0x7f0000925000)=""/72, &(0x7f0000d1b252)=0x48) 2018/04/07 08:21:20 executing program 5: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000b5dfa8)={0x26, 'hash\x00', 0x0, 0x0, 'crc32c\x00'}, 0x58) r1 = accept$alg(r0, 0x0, 0x0) r2 = open(&(0x7f00004b8ff8)='./file0\x00', 0x28042, 0x0) fallocate(r2, 0x0, 0x0, 0x73e0) sendfile(r1, r2, &(0x7f0000145000), 0x53) 2018/04/07 08:21:20 executing program 2: setsockopt$SO_BINDTODEVICE(0xffffffffffffffff, 0x1, 0x19, &(0x7f00000000c0)='bridge0\x00', 0x10) r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$packet_int(r0, 0x107, 0xf, &(0x7f0000006ffc)=0x6, 0x4) setsockopt$SO_TIMESTAMPING(r0, 0x1, 0x25, &(0x7f0000000000)=0x100, 0x4) getsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x0, &(0x7f00000002c0)=""/143, &(0x7f00000000c0)=0x14e) sendto$inet6(r0, &(0x7f00000000c0), 0x246, 0x0, &(0x7f0000005fe4)={0xa, 0x4e20, 0x100000002, @mcast2={0xff, 0x2, [], 0x1}}, 0x1c) 2018/04/07 08:21:20 executing program 3: r0 = socket$inet_udp(0x2, 0x2, 0x0) r1 = socket(0x2, 0x2, 0x0) bind$inet(r1, &(0x7f0000468ff1)={0x2, 0x4e20, @broadcast=0xffffffff}, 0x10) bind$inet(r0, &(0x7f0000dc7ff0)={0x2, 0x4e20, @loopback=0x7f000001}, 0x10) r2 = syz_open_procfs(0x0, &(0x7f0000b6cff6)='net/udp\x00') preadv(r2, &(0x7f0000000200)=[{&(0x7f0000000000)=""/156, 0x9c}, {&(0x7f0000000100)=""/25, 0x19}, {&(0x7f0000000140)=""/97, 0x61}], 0x3, 0x0) 2018/04/07 08:21:20 executing program 1: r0 = socket$inet(0x2, 0x2, 0x0) r1 = socket$packet(0x11, 0x400000002, 0x300) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000ff5ffc)={0x0, 0x3}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x4e20, @rand_addr}, 0x10) poll(&(0x7f0000000080)=[{r1}], 0x1, 0x0) 2018/04/07 08:21:20 executing program 6: clock_gettime(0x0, &(0x7f0000002840)) mmap(&(0x7f0000000000/0x1000)=nil, 0x1000, 0x0, 0x32, 0xffffffffffffffff, 0x0) clone(0x0, &(0x7f0000001fff), &(0x7f0000b02000), &(0x7f00000aaffc), &(0x7f0000002886)) waitid(0x0, 0x0, &(0x7f0000002b80), 0x4100000e, &(0x7f0000002c40)) 2018/04/07 08:21:20 executing program 4: r0 = memfd_create(&(0x7f00000000c0)='[*[\x00', 0x0) write(0xffffffffffffffff, &(0x7f0000000040)="f7ea42337eb805da8d24d09f3c2100580900ccd45da0739a805009d8", 0x1c) write$sndseq(r0, &(0x7f0000000400)=[{0x0, 0x0, 0x0, 0x0, @tick, {}, {}, @quote}, {0x0, 0x0, 0x0, 0x0, @time={0x77359400}, {}, {}, @raw8={"06d3cb89f296bbb7d8acde89"}}, {0x1, 0x0, 0x70c, 0x3, @tick=0x3, {0x3, 0x2}, {0x6, 0x6}, @ext={0xd3, &(0x7f0000000300)="8776aee425040cae8a4781c89a711bcd1b5ac394bb087ccc8c382c2bf86a8be74e1bfadf30709e79024bbdb60913e6173c42e90b5bb2b90888b485eb1bfdb54508b0f1830e5dbc1c16198c8df7880e9a01b4698bc7f85db94072c227163bca07cb47dfa7614e50e7436ada0a6bdee3dc4883d3f317d12b920a1e7f00c75181c22c407396f7b22a9e13b246aba78ca86c116d8c6dff7eb83011de36f0e3e182e47312b86150eb9c8b737ac99b6aae2ac59fd8b4fc976ca1db9028fa9c86ab6abc868a54270430eec544cc659da51fe7919424a9"}}, {0x0, 0x5, 0x7, 0x8, @tick=0x8, {0x4, 0xfffffffffffffffe}, {0x1, 0x2}, @time=@tick=0x6}, {0x10001, 0x2, 0x1, 0xfffffffffffffffe, @tick=0x3, {0x0, 0x9}, {0x24c, 0x5}, @raw32={[0x5e, 0x7f, 0x9]}}], 0xf0) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x4, 0x11, r0, 0x0) timerfd_settime(0xffffffffffffffff, 0x800000000000003, &(0x7f0000000080), &(0x7f0000000140)) 2018/04/07 08:21:20 executing program 7: r0 = socket(0x40000000015, 0x5, 0x0) getsockname(r0, &(0x7f0000000000)=@generic, &(0x7f0000000080)=0x80) [ 61.977089] ================================================================== [ 61.984503] BUG: KMSAN: uninit-value in __crc32c_pcl_intel_finup+0x2b1/0x4b0 [ 61.991687] CPU: 1 PID: 5501 Comm: syz-executor5 Not tainted 4.16.0+ #81 [ 61.998519] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 62.007866] Call Trace: [ 62.010460] dump_stack+0x185/0x1d0 [ 62.014096] ? __crc32c_pcl_intel_finup+0x2b1/0x4b0 [ 62.019106] kmsan_report+0x142/0x240 [ 62.022907] __msan_warning_32+0x6c/0xb0 [ 62.026973] __crc32c_pcl_intel_finup+0x2b1/0x4b0 [ 62.031818] crc32c_pcl_intel_finup+0xb5/0xe0 [ 62.036315] ? crc32c_pcl_intel_update+0x500/0x500 [ 62.041242] shash_ahash_finup+0x468/0xa30 [ 62.045476] shash_ahash_digest+0x5c6/0x600 [ 62.049795] shash_async_digest+0x11c/0x1b0 [ 62.054116] crypto_ahash_op+0x89a/0xc10 [ 62.058176] ? __kmalloc+0x23c/0x350 [ 62.061886] ? shash_async_finup+0x1b0/0x1b0 [ 62.066288] ? shash_async_finup+0x1b0/0x1b0 [ 62.070693] crypto_ahash_digest+0xe4/0x160 [ 62.075010] hash_sendpage+0xb40/0xe10 [ 62.078897] ? hash_recvmsg+0xd50/0xd50 [ 62.082870] sock_sendpage+0x1de/0x2c0 [ 62.086757] pipe_to_sendpage+0x31b/0x430 [ 62.090906] ? sock_fasync+0x2b0/0x2b0 [ 62.094800] ? propagate_umount+0x3a30/0x3a30 [ 62.099290] __splice_from_pipe+0x49a/0xf30 [ 62.103613] ? generic_splice_sendpage+0x2a0/0x2a0 [ 62.108542] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 62.113904] generic_splice_sendpage+0x1c6/0x2a0 [ 62.118669] ? iter_file_splice_write+0x1710/0x1710 [ 62.123686] ? iter_file_splice_write+0x1710/0x1710 [ 62.128704] direct_splice_actor+0x19b/0x200 [ 62.133121] splice_direct_to_actor+0x764/0x1040 [ 62.137873] ? do_splice_direct+0x540/0x540 [ 62.142194] ? security_file_permission+0x28f/0x4b0 [ 62.147220] ? rw_verify_area+0x35e/0x580 [ 62.151375] do_splice_direct+0x335/0x540 [ 62.155529] do_sendfile+0x1067/0x1e40 [ 62.159432] SYSC_sendfile64+0x1b3/0x300 [ 62.163505] SyS_sendfile64+0x64/0x90 [ 62.167311] do_syscall_64+0x309/0x430 [ 62.171204] ? SYSC_sendfile+0x320/0x320 [ 62.175360] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 62.180540] RIP: 0033:0x455259 [ 62.183718] RSP: 002b:00007f2431cc8c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 [ 62.191421] RAX: ffffffffffffffda RBX: 00007f2431cc96d4 RCX: 0000000000455259 [ 62.198682] RDX: 0000000020145000 RSI: 0000000000000015 RDI: 0000000000000014 [ 62.205948] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 62.213213] R10: 0000000000000053 R11: 0000000000000246 R12: 00000000ffffffff [ 62.220477] R13: 00000000000004c6 R14: 00000000006fa330 R15: 0000000000000000 2018/04/07 08:21:21 executing program 3: r0 = socket$inet_udp(0x2, 0x2, 0x0) r1 = socket(0x2, 0x2, 0x0) bind$inet(r1, &(0x7f0000468ff1)={0x2, 0x4e20, @broadcast=0xffffffff}, 0x10) bind$inet(r0, &(0x7f0000dc7ff0)={0x2, 0x4e20, @loopback=0x7f000001}, 0x10) r2 = syz_open_procfs(0x0, &(0x7f0000b6cff6)='net/udp\x00') preadv(r2, &(0x7f0000000200)=[{&(0x7f0000000000)=""/156, 0x9c}, {&(0x7f0000000100)=""/25, 0x19}, {&(0x7f0000000140)=""/97, 0x61}], 0x3, 0x0) 2018/04/07 08:21:21 executing program 4: r0 = memfd_create(&(0x7f00000000c0)='[*[\x00', 0x0) write(0xffffffffffffffff, &(0x7f0000000040)="f7ea42337eb805da8d24d09f3c2100580900ccd45da0739a805009d8", 0x1c) write$sndseq(r0, &(0x7f0000000400)=[{0x0, 0x0, 0x0, 0x0, @tick, {}, {}, @quote}, {0x0, 0x0, 0x0, 0x0, @time={0x77359400}, {}, {}, @raw8={"06d3cb89f296bbb7d8acde89"}}, {0x1, 0x0, 0x70c, 0x3, @tick=0x3, {0x3, 0x2}, {0x6, 0x6}, @ext={0xd3, &(0x7f0000000300)="8776aee425040cae8a4781c89a711bcd1b5ac394bb087ccc8c382c2bf86a8be74e1bfadf30709e79024bbdb60913e6173c42e90b5bb2b90888b485eb1bfdb54508b0f1830e5dbc1c16198c8df7880e9a01b4698bc7f85db94072c227163bca07cb47dfa7614e50e7436ada0a6bdee3dc4883d3f317d12b920a1e7f00c75181c22c407396f7b22a9e13b246aba78ca86c116d8c6dff7eb83011de36f0e3e182e47312b86150eb9c8b737ac99b6aae2ac59fd8b4fc976ca1db9028fa9c86ab6abc868a54270430eec544cc659da51fe7919424a9"}}, {0x0, 0x5, 0x7, 0x8, @tick=0x8, {0x4, 0xfffffffffffffffe}, {0x1, 0x2}, @time=@tick=0x6}, {0x10001, 0x2, 0x1, 0xfffffffffffffffe, @tick=0x3, {0x0, 0x9}, {0x24c, 0x5}, @raw32={[0x5e, 0x7f, 0x9]}}], 0xf0) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x4, 0x11, r0, 0x0) timerfd_settime(0xffffffffffffffff, 0x800000000000003, &(0x7f0000000080), &(0x7f0000000140)) [ 62.227738] [ 62.229350] Uninit was created at: [ 62.232887] kmsan_alloc_meta_for_pages+0x161/0x3a0 [ 62.237901] kmsan_alloc_page+0x82/0xe0 [ 62.241882] __alloc_pages_nodemask+0xf5b/0x5dc0 [ 62.246633] alloc_pages_vma+0xcc8/0x1800 [ 62.250791] shmem_alloc_and_acct_page+0x6d5/0x1000 [ 62.255807] shmem_getpage_gfp+0x35db/0x5770 [ 62.260221] shmem_fallocate+0xde2/0x1610 [ 62.264367] vfs_fallocate+0x9dc/0xde0 [ 62.268256] SYSC_fallocate+0x119/0x1d0 [ 62.272227] SyS_fallocate+0x64/0x90 2018/04/07 08:21:21 executing program 0: mmap(&(0x7f0000000000/0xb2a000)=nil, 0xb2a000, 0x0, 0x32, 0xffffffffffffffff, 0x0) r0 = socket$inet6(0xa, 0x1, 0x0) setsockopt$inet6_int(r0, 0x29, 0x0, &(0x7f0000d1bffc)=0x4, 0x4) getsockopt$inet6_buf(r0, 0x29, 0x6, &(0x7f0000925000)=""/72, &(0x7f0000d1b252)=0x48) [ 62.275940] do_syscall_64+0x309/0x430 [ 62.279828] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 62.285005] ================================================================== [ 62.292351] Disabling lock debugging due to kernel taint [ 62.297789] Kernel panic - not syncing: panic_on_warn set ... [ 62.297789] [ 62.305150] CPU: 1 PID: 5501 Comm: syz-executor5 Tainted: G B 4.16.0+ #81 [ 62.313281] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 62.322625] Call Trace: [ 62.325216] dump_stack+0x185/0x1d0 2018/04/07 08:21:21 executing program 3: r0 = socket$inet_udp(0x2, 0x2, 0x0) r1 = socket(0x2, 0x2, 0x0) bind$inet(r1, &(0x7f0000468ff1)={0x2, 0x4e20, @broadcast=0xffffffff}, 0x10) bind$inet(r0, &(0x7f0000dc7ff0)={0x2, 0x4e20, @loopback=0x7f000001}, 0x10) r2 = syz_open_procfs(0x0, &(0x7f0000b6cff6)='net/udp\x00') preadv(r2, &(0x7f0000000200)=[{&(0x7f0000000000)=""/156, 0x9c}, {&(0x7f0000000100)=""/25, 0x19}, {&(0x7f0000000140)=""/97, 0x61}], 0x3, 0x0) [ 62.328839] panic+0x39d/0x940 [ 62.332421] ? __crc32c_pcl_intel_finup+0x2b1/0x4b0 [ 62.337433] kmsan_report+0x238/0x240 [ 62.341229] __msan_warning_32+0x6c/0xb0 [ 62.345296] __crc32c_pcl_intel_finup+0x2b1/0x4b0 [ 62.350143] crc32c_pcl_intel_finup+0xb5/0xe0 [ 62.354638] ? crc32c_pcl_intel_update+0x500/0x500 [ 62.359569] shash_ahash_finup+0x468/0xa30 [ 62.363811] shash_ahash_digest+0x5c6/0x600 [ 62.368137] shash_async_digest+0x11c/0x1b0 [ 62.372462] crypto_ahash_op+0x89a/0xc10 [ 62.376521] ? __kmalloc+0x23c/0x350 [ 62.380231] ? shash_async_finup+0x1b0/0x1b0 [ 62.384634] ? shash_async_finup+0x1b0/0x1b0 [ 62.389046] crypto_ahash_digest+0xe4/0x160 [ 62.393365] hash_sendpage+0xb40/0xe10 [ 62.397255] ? hash_recvmsg+0xd50/0xd50 [ 62.401229] sock_sendpage+0x1de/0x2c0 [ 62.405120] pipe_to_sendpage+0x31b/0x430 [ 62.409271] ? sock_fasync+0x2b0/0x2b0 [ 62.413169] ? propagate_umount+0x3a30/0x3a30 [ 62.417665] __splice_from_pipe+0x49a/0xf30 [ 62.421987] ? generic_splice_sendpage+0x2a0/0x2a0 [ 62.426930] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 62.432302] generic_splice_sendpage+0x1c6/0x2a0 [ 62.437069] ? iter_file_splice_write+0x1710/0x1710 [ 62.442091] ? iter_file_splice_write+0x1710/0x1710 [ 62.447111] direct_splice_actor+0x19b/0x200 [ 62.451528] splice_direct_to_actor+0x764/0x1040 [ 62.456286] ? do_splice_direct+0x540/0x540 [ 62.460615] ? security_file_permission+0x28f/0x4b0 [ 62.465635] ? rw_verify_area+0x35e/0x580 [ 62.469789] do_splice_direct+0x335/0x540 [ 62.473947] do_sendfile+0x1067/0x1e40 [ 62.477846] SYSC_sendfile64+0x1b3/0x300 [ 62.481913] SyS_sendfile64+0x64/0x90 [ 62.485717] do_syscall_64+0x309/0x430 [ 62.489611] ? SYSC_sendfile+0x320/0x320 [ 62.493674] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 62.498855] RIP: 0033:0x455259 [ 62.502037] RSP: 002b:00007f2431cc8c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 [ 62.509743] RAX: ffffffffffffffda RBX: 00007f2431cc96d4 RCX: 0000000000455259 [ 62.517011] RDX: 0000000020145000 RSI: 0000000000000015 RDI: 0000000000000014 [ 62.524274] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 62.531534] R10: 0000000000000053 R11: 0000000000000246 R12: 00000000ffffffff [ 62.538795] R13: 00000000000004c6 R14: 00000000006fa330 R15: 0000000000000000 [ 62.546492] Dumping ftrace buffer: [ 62.550006] (ftrace buffer empty) [ 62.553688] Kernel Offset: disabled [ 62.557284] Rebooting in 86400 seconds..