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 '10.128.10.26' (ECDSA) to the list of known hosts. 2018/04/11 19:30:18 fuzzer started 2018/04/11 19:30:18 dialing manager at 10.128.0.26:36259 2018/04/11 19:30:24 kcov=true, comps=false 2018/04/11 19:30:27 executing program 0: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e5}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$kcm(0x29, 0x1000000000000005, 0x0) close(r0) 2018/04/11 19:30:27 executing program 2: r0 = socket$inet(0x2, 0x2, 0x0) bind$inet(r0, &(0x7f00007ec000)={0x2, 0x4e21, @multicast1=0xe0000001}, 0x10) syz_emit_ethernet(0x2a, &(0x7f00000007c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @empty=[0x0, 0x0, 0x14], [], {@ipv4={0x800, {{0x5, 0x4, 0x0, 0x0, 0x1c, 0x0, 0x0, 0x0, 0x0, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff, 0xbb}, @multicast1=0xe0000001}, @udp={0x0, 0x0, 0x8}}}}}, 0x0) 2018/04/11 19:30:27 executing program 7: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f0000000040)='./file0\x00', 0x0) mount(&(0x7f0000000140)='./file0\x00', &(0x7f0000000100)='./file0\x00', &(0x7f00000000c0)='configfs\x00', 0x0, &(0x7f0000000180)) openat(0xffffffffffffff9c, &(0x7f0000000380)='./file0\x00', 0x4000, 0x0) 2018/04/11 19:30:27 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000340)={0x26, 'skcipher\x00', 0x0, 0x0, 'lrw(serpent)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f0000c18000)="ad56b6c50400aeb995298992ea5400c2", 0x10) r1 = accept$alg(r0, 0x0, 0x0) sendmmsg$alg(r1, &(0x7f0000000900)=[{0x0, 0x0, &(0x7f0000000400)=[{&(0x7f00000003c0)='J', 0x1}], 0x1, &(0x7f0000000540), 0x0, 0x40}, {0x0, 0x0, &(0x7f0000000840)=[{&(0x7f0000000580)="30b631012b4867ae1ac4c66e590223d724aca397b6a8d486a6da088c72335c339330cc360affeef842cf72afb9b14f265765391d905c5ffc2886f293c2545050eb8e11ea0c97843c7a9a6d1240b6266633c0547fabd7d4dd0acfae256caa5aa56f790f4f50d1804e013e35c5276835b34175924dd839a122bcccc89984ffde5e1fc0973672251f30bdbe0f90975f30fcb45116bab58df82265262876c5520cfb81246bd7b8a115cbbfbb9d37181585323b2fda08f5a5a7ef3252bd5d91c7fb84f49196579eb906d3b81a72", 0xcb}, {&(0x7f0000000700)="348d2ea69842eadd56f9a6f81c8bdbcb532d006f5794420f292051cfbac6ed91c69db7f2fd303206", 0x28}], 0x2, &(0x7f0000000880)=[@iv={0x68, 0x117, 0x2, 0x4f, "baaf23866817b8caa170f21ba3a1719aae8b0b0722f339a589f0490a6e4a5ace09f577b0f8fe0eb92b021b96a70aa989fe73436e077300167a184ddc1f695c6f4ea638aa08d65b95d300ed3aa2ff88"}], 0x68, 0x80}], 0x2, 0x40) recvmmsg(r1, &(0x7f0000003340)=[{{&(0x7f00000000c0)=@sco, 0x80, &(0x7f0000000100), 0x0, &(0x7f0000000140)=""/94, 0x5e}}, {{&(0x7f0000000000)=@pptp={0x0, 0x0, {0x0, @dev}}, 0x80, &(0x7f00000001c0)=[{&(0x7f0000003100)=""/226, 0xe2}], 0x1, &(0x7f0000000440)=""/239, 0xef}}], 0x2, 0x0, 0x0) 2018/04/11 19:30:27 executing program 4: perf_event_open(&(0x7f0000348f88)={0x2, 0x70, 0x3e6}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = perf_event_open(&(0x7f000002ef88)={0x1, 0x78}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f0000029000/0x3000)=nil, 0x3000, 0x0, 0x51, r0, 0x0) mincore(&(0x7f0000028000/0x3000)=nil, 0x3000, &(0x7f0000000040)=""/4096) ioctl$PERF_EVENT_IOC_SET_OUTPUT(0xffffffffffffffff, 0x2405, 0xffffffffffffffff) 2018/04/11 19:30:27 executing program 1: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r0, 0x0, 0x0, 0x400) 2018/04/11 19:30:27 executing program 5: bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0x5, 0x9, 0x2ddd, 0x7a, 0x0, 0xffffffffffffffff, 0x0, [0x0, 0x0, 0x0, 0x2f500]}, 0x2c) 2018/04/11 19:30:27 executing program 6: syzkaller login: [ 45.788588] ip (3754) used greatest stack depth: 54688 bytes left [ 46.169632] ip (3789) used greatest stack depth: 54200 bytes left [ 48.178841] ip (3979) used greatest stack depth: 54160 bytes left [ 49.429256] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 49.454778] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 49.544899] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 49.603974] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 49.627066] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 49.666345] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 49.969838] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 49.982140] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 58.106564] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 58.287075] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 58.335144] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 58.620774] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 58.682263] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 58.706500] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 58.941294] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 58.947566] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 58.971347] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.015860] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 59.030867] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 59.166943] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 59.173295] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.183632] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.218151] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 59.224414] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.236135] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.446715] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 59.453132] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.468897] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.490376] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 59.499677] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 59.508121] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.534353] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.577772] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.620646] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.853138] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 59.859441] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.869350] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.895454] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 59.904198] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.931618] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready 2018/04/11 19:30:44 executing program 0: 2018/04/11 19:30:44 executing program 5: socketpair$inet(0x1e, 0x1, 0x0, &(0x7f00001b6ff8)={0x0, 0x0}) sendmsg$key(r1, &(0x7f0000d4c000)={0x0, 0x0, &(0x7f000089c000)={&(0x7f0000000080)=ANY=[@ANYBLOB="028b519b9c155bb29051e18773b421951e8bded79d24f5c100000002000000"], 0x1f}, 0x1}, 0x0) recvmsg(r0, &(0x7f00002ed000)={&(0x7f0000559fec)=@ll={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @random}, 0x14, &(0x7f0000686fa0)=[{&(0x7f0000ae3000)=""/22, 0xffffff08}], 0x1, &(0x7f0000f1b000)=""/4096, 0xffffffffffffff73}, 0x121) setsockopt$netlink_NETLINK_TX_RING(0xffffffffffffffff, 0x10e, 0x7, &(0x7f0000000400)={0x0, 0x8}, 0x10) 2018/04/11 19:30:44 executing program 2: 2018/04/11 19:30:44 executing program 1: 2018/04/11 19:30:44 executing program 6: 2018/04/11 19:30:44 executing program 4: 2018/04/11 19:30:44 executing program 7: r0 = perf_event_open(&(0x7f00003a8000)={0x2, 0x70, 0x0, 0x3}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$PERF_EVENT_IOC_SET_FILTER(r0, 0x40082406, &(0x7f0000000040)="6402766d6e6574302470726f636d696d655f747970656e6f646576282600") 2018/04/11 19:30:44 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000340)={0x26, 'skcipher\x00', 0x0, 0x0, 'lrw(serpent)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f0000c18000)="ad56b6c50400aeb995298992ea5400c2", 0x10) r1 = accept$alg(r0, 0x0, 0x0) sendmmsg$alg(r1, &(0x7f0000000900)=[{0x0, 0x0, &(0x7f0000000400)=[{&(0x7f00000003c0)='J', 0x1}], 0x1, &(0x7f0000000540), 0x0, 0x40}, {0x0, 0x0, &(0x7f0000000840)=[{&(0x7f0000000580)="30b631012b4867ae1ac4c66e590223d724aca397b6a8d486a6da088c72335c339330cc360affeef842cf72afb9b14f265765391d905c5ffc2886f293c2545050eb8e11ea0c97843c7a9a6d1240b6266633c0547fabd7d4dd0acfae256caa5aa56f790f4f50d1804e013e35c5276835b34175924dd839a122bcccc89984ffde5e1fc0973672251f30bdbe0f90975f30fcb45116bab58df82265262876c5520cfb81246bd7b8a115cbbfbb9d37181585323b2fda08f5a5a7ef3252bd5d91c7fb84f49196579eb906d3b81a72", 0xcb}, {&(0x7f0000000700)="348d2ea69842eadd56f9a6f81c8bdbcb532d006f5794420f292051cfbac6ed91c69db7f2fd303206", 0x28}], 0x2, &(0x7f0000000880)=[@iv={0x68, 0x117, 0x2, 0x4f, "baaf23866817b8caa170f21ba3a1719aae8b0b0722f339a589f0490a6e4a5ace09f577b0f8fe0eb92b021b96a70aa989fe73436e077300167a184ddc1f695c6f4ea638aa08d65b95d300ed3aa2ff88"}], 0x68, 0x80}], 0x2, 0x40) recvmmsg(r1, &(0x7f0000003340)=[{{&(0x7f00000000c0)=@sco, 0x80, &(0x7f0000000100), 0x0, &(0x7f0000000140)=""/94, 0x5e}}, {{&(0x7f0000000000)=@pptp={0x0, 0x0, {0x0, @dev}}, 0x80, &(0x7f00000001c0)=[{&(0x7f0000003100)=""/226, 0xe2}], 0x1, &(0x7f0000000440)=""/239, 0xef}}], 0x2, 0x0, 0x0) 2018/04/11 19:30:45 executing program 4: 2018/04/11 19:30:45 executing program 2: 2018/04/11 19:30:45 executing program 1: syz_emit_ethernet(0x199, &(0x7f00000000c0)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @remote={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xbb}, [], {@ipv6={0x86dd, {0x0, 0x6, "e17ffa", 0x163, 0x0, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @remote={0xfe, 0x80, [], 0xbb}, {[@hopopts={0x0, 0x1, [], [@generic={0x0, 0xb, "d87ccd7de61e1988406c44"}]}, @srh={0x2f, 0x4, 0x4, 0x2, 0x4, 0xfffffffffffffffc, 0x6, [@remote={0xfe, 0x80, [], 0xbb}, @dev={0xfe, 0x80, [], 0xc}]}], @tcp={{0x4e21, 0x4e22, 0x41424344, 0x41424344, 0x80000001, 0x0, 0xe, 0x1, 0x3f, 0x0, 0x9, {[@fastopen={0x22, 0xb, "82294cd5e444f9622f"}, @md5sig={0x13, 0x12, "d4bf8f64b6fe1eab4ba16eea074507f0"}, @sack_perm={0x4, 0x2}, @window={0x3, 0x3, 0x9}]}}, {"e5388f7d38741aa431f495bb5bf1f08ee645a4408f81f7c71e61b94157e388514df0fa87a6dd6683239f1a3fc956473be35afeb2b7ae77070ed8565e7efa861a711243780648a8a20e43594c0e40339ba586ea8e8bf3d70811acbf72eb3818d4e4cec5783f7d5e2a1cdf9937688e06c85ba2c79b3ebf55f5597a39accfe4615879bce4057a6c19f7c00ce12185f46a7cac8d7ef88b9e54acd37b1344fe6510bd76571e92f464f6026876da1670cfa44b2c9dfc67b12f48e8dd06530df822be7baff73fe082e576053387c5c56446c2596eea7325593f376b91310b8cea51b6358a4e6f1a17b615e249b80f"}}}}}}}, &(0x7f0000000280)={0x0, 0x3, [0x377, 0xf9d, 0x8d0, 0x5c8]}) 2018/04/11 19:30:45 executing program 0: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mkdir(&(0x7f0000000040)='./file0\x00', 0x0) mount(&(0x7f0000000140)='./file0\x00', &(0x7f0000000100)='./file0\x00', &(0x7f00000000c0)='configfs\x00', 0x0, &(0x7f0000000180)) open(&(0x7f0000f04ff8)='./file0\x00', 0x0, 0x0) 2018/04/11 19:30:45 executing program 6: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000808fc8)={&(0x7f0000e87000)={0x10}, 0xc, &(0x7f0000a3bff8)={&(0x7f0000000000)=ANY=[@ANYBLOB="400000001800210cffffffffffffffff8020000000040005000000002400090008000000ca70ace6caecb39c3a1d", @ANYBLOB='\t\x00\x00\x00', @ANYBLOB='\x00\x00\x00\x00', @ANYBLOB='\x00\x00\x00\x00'], 0x4}, 0x1}, 0x0) 2018/04/11 19:30:45 executing program 7: r0 = socket$nl_xfrm(0x11, 0x3, 0x6) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f00000000c0)={'syz_tun\x00', 0x0}) bind$packet(r0, &(0x7f0000000240)={0x11, 0x3, r1, 0x1, 0x0, 0x6}, 0x14) syz_emit_ethernet(0x56, &(0x7f0000000500)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, [], {@canfd={0xd, {{}, 0x0, 0x0, 0x0, 0x0, "37a30afa5dc632bedb2b8594c9c520d68ce86dcb4b657e8eb74830b9090ba8ab790d4f52bdc2825fe984593c4fe3f4b268daba3470c275857608a0c12e25adbb"}}}}, &(0x7f0000000180)) 2018/04/11 19:30:45 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000340)={0x26, 'skcipher\x00', 0x0, 0x0, 'lrw(serpent)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f0000c18000)="ad56b6c50400aeb995298992ea5400c2", 0x10) r1 = accept$alg(r0, 0x0, 0x0) sendmmsg$alg(r1, &(0x7f0000000900)=[{0x0, 0x0, &(0x7f0000000400)=[{&(0x7f00000003c0)='J', 0x1}], 0x1, &(0x7f0000000540), 0x0, 0x40}, {0x0, 0x0, &(0x7f0000000840)=[{&(0x7f0000000580)="30b631012b4867ae1ac4c66e590223d724aca397b6a8d486a6da088c72335c339330cc360affeef842cf72afb9b14f265765391d905c5ffc2886f293c2545050eb8e11ea0c97843c7a9a6d1240b6266633c0547fabd7d4dd0acfae256caa5aa56f790f4f50d1804e013e35c5276835b34175924dd839a122bcccc89984ffde5e1fc0973672251f30bdbe0f90975f30fcb45116bab58df82265262876c5520cfb81246bd7b8a115cbbfbb9d37181585323b2fda08f5a5a7ef3252bd5d91c7fb84f49196579eb906d3b81a72", 0xcb}, {&(0x7f0000000700)="348d2ea69842eadd56f9a6f81c8bdbcb532d006f5794420f292051cfbac6ed91c69db7f2fd303206", 0x28}], 0x2, &(0x7f0000000880)=[@iv={0x68, 0x117, 0x2, 0x4f, "baaf23866817b8caa170f21ba3a1719aae8b0b0722f339a589f0490a6e4a5ace09f577b0f8fe0eb92b021b96a70aa989fe73436e077300167a184ddc1f695c6f4ea638aa08d65b95d300ed3aa2ff88"}], 0x68, 0x80}], 0x2, 0x40) recvmmsg(r1, &(0x7f0000003340)=[{{&(0x7f00000000c0)=@sco, 0x80, &(0x7f0000000100), 0x0, &(0x7f0000000140)=""/94, 0x5e}}, {{&(0x7f0000000000)=@pptp={0x0, 0x0, {0x0, @dev}}, 0x80, &(0x7f00000001c0)=[{&(0x7f0000003100)=""/226, 0xe2}], 0x1, &(0x7f0000000440)=""/239, 0xef}}], 0x2, 0x0, 0x0) 2018/04/11 19:30:45 executing program 2: r0 = syz_open_procfs(0x0, &(0x7f000060c000)='oom_score_adj\x00') r1 = syz_open_procfs(0x0, &(0x7f0000256ff8)='syscall\x00') sendfile(r0, r1, &(0x7f0000bc8000)=0x4, 0x8) 2018/04/11 19:30:45 executing program 4: r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0x5, 0x108000000000004, 0x7, 0x7}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f00000002c0)={0x7, 0x5, &(0x7f00000000c0)=@framed={{0x18}, [@map={0x18, 0x0, 0x1, 0x0, r0}], {0x95}}, &(0x7f0000000000)='GPL\x00', 0x1, 0xcf, &(0x7f0000000140)=""/207}, 0x48) 2018/04/11 19:30:45 executing program 1: r0 = socket$inet(0x2, 0x840000000003, 0x2) setsockopt$inet_int(r0, 0x0, 0x80000000c8, &(0x7f00004fd000), 0x4) setsockopt$inet_int(r0, 0x0, 0x40000000000c9, &(0x7f0000000080), 0x2d9) 2018/04/11 19:30:45 executing program 6: getsockopt$bt_l2cap_L2CAP_OPTIONS(0xffffffffffffffff, 0x6, 0x1, &(0x7f0000000140), &(0x7f0000000380)=0xc) bpf$MAP_CREATE(0x0, &(0x7f0000000000)={0xa, 0x2f, 0x7, 0xc49, 0x0, 0x1}, 0x2c) 2018/04/11 19:30:45 executing program 7: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e5}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mkdir(&(0x7f0000000040)='./file0\x00', 0x0) mount(&(0x7f0000000140)='./file0\x00', &(0x7f0000000100)='./file0\x00', &(0x7f00000000c0)='configfs\x00', 0x0, &(0x7f0000000180)) open(&(0x7f0000f04ff8)='./file0\x00', 0x0, 0x0) 2018/04/11 19:30:45 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000340)={0x26, 'skcipher\x00', 0x0, 0x0, 'lrw(serpent)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f0000c18000)="ad56b6c50400aeb995298992ea5400c2", 0x10) r1 = accept$alg(r0, 0x0, 0x0) sendmmsg$alg(r1, &(0x7f0000000900)=[{0x0, 0x0, &(0x7f0000000400)=[{&(0x7f00000003c0)='J', 0x1}], 0x1, &(0x7f0000000540), 0x0, 0x40}, {0x0, 0x0, &(0x7f0000000840)=[{&(0x7f0000000580)="30b631012b4867ae1ac4c66e590223d724aca397b6a8d486a6da088c72335c339330cc360affeef842cf72afb9b14f265765391d905c5ffc2886f293c2545050eb8e11ea0c97843c7a9a6d1240b6266633c0547fabd7d4dd0acfae256caa5aa56f790f4f50d1804e013e35c5276835b34175924dd839a122bcccc89984ffde5e1fc0973672251f30bdbe0f90975f30fcb45116bab58df82265262876c5520cfb81246bd7b8a115cbbfbb9d37181585323b2fda08f5a5a7ef3252bd5d91c7fb84f49196579eb906d3b81a72", 0xcb}, {&(0x7f0000000700)="348d2ea69842eadd56f9a6f81c8bdbcb532d006f5794420f292051cfbac6ed91c69db7f2fd303206", 0x28}], 0x2, &(0x7f0000000880)=[@iv={0x68, 0x117, 0x2, 0x4f, "baaf23866817b8caa170f21ba3a1719aae8b0b0722f339a589f0490a6e4a5ace09f577b0f8fe0eb92b021b96a70aa989fe73436e077300167a184ddc1f695c6f4ea638aa08d65b95d300ed3aa2ff88"}], 0x68, 0x80}], 0x2, 0x40) recvmmsg(r1, &(0x7f0000003340)=[{{&(0x7f00000000c0)=@sco, 0x80, &(0x7f0000000100), 0x0, &(0x7f0000000140)=""/94, 0x5e}}, {{&(0x7f0000000000)=@pptp={0x0, 0x0, {0x0, @dev}}, 0x80, &(0x7f00000001c0)=[{&(0x7f0000003100)=""/226, 0xe2}], 0x1, &(0x7f0000000440)=""/239, 0xef}}], 0x2, 0x0, 0x0) 2018/04/11 19:30:45 executing program 0: syz_emit_ethernet(0x3, &(0x7f00000000c0)=ANY=[@ANYBLOB="aaaaaaaaaaaaaaaaaaaaaabb86dd607b543b0014060000000000000000000000000000000000fe8000000000000000000000000000bb00000000", @ANYRES32=0x41424344, @ANYBLOB="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"], &(0x7f0000000080)={0x1, 0x2, [0x0, 0xa32]}) 2018/04/11 19:30:45 executing program 5: syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f0000000100)='./file0\x00', 0xe000, 0x1, &(0x7f0000000040)=[{&(0x7f0000010000)="eb3c906d6b66732e66617400020401000200027000f801", 0x17}], 0x0, &(0x7f0000000240)=ANY=[]) r0 = open(&(0x7f0000000240)='./file0/file0\x00', 0x3fdfa, 0x0) io_setup(0x8b84, &(0x7f00000000c0)=0x0) io_submit(r1, 0x1, &(0x7f0000000440)=[&(0x7f00000002c0)={0x0, 0x0, 0x0, 0x1, 0x0, r0, &(0x7f0000000140)="dc", 0x1}]) 2018/04/11 19:30:45 executing program 2: bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0x5, 0x9, 0x2ddd, 0x7a, 0x0, 0xffffffffffffffff, 0x0, [0x0, 0x0, 0x0, 0x248]}, 0x2c) 2018/04/11 19:30:46 executing program 1: r0 = syz_open_dev$tun(&(0x7f0000000180)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000200)={'syzkaller0\x00', 0x3}) r1 = socket$inet_tcp(0x2, 0x1, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$sock_inet_SIOCSARP(r1, 0x8955, &(0x7f0000000240)={{0x2, 0x0, @rand_addr}, {}, 0x3c, {0x2, 0x0, @broadcast=0xffffffff}, 'syzkaller0\x00'}) 2018/04/11 19:30:46 executing program 0: syz_emit_ethernet(0x2a, &(0x7f0000000000)={@random="b100485caa2a", @random="43333e128ef5", [], {@ipv4={0x800, {{0x5, 0x4, 0x0, 0x0, 0x1c, 0x0, 0x0, 0x0, 0x2, 0x0, @rand_addr, @broadcast=0xffffffff}, @igmp={0x11, 0x0, 0x0, @multicast1=0xe0000001}}}}}, &(0x7f0000000140)) 2018/04/11 19:30:46 executing program 4: r0 = socket(0x10, 0x802, 0x0) sendmsg$nl_route(r0, &(0x7f00001a1000)={&(0x7f00004d2ff4)={0x10}, 0xc, &(0x7f00006b3000)={&(0x7f0000000000)=ANY=[@ANYBLOB="480000001800010000000000000000000a00000000000006000000002c0009001f000000", @ANYBLOB='\x00\x00\x00\x00', @ANYBLOB='\x00\x00\x00\x00', @ANYBLOB='\x00\x00\x00\x00', @ANYBLOB="1824fc7fabff90308e"], 0x5}, 0x1}, 0x0) 2018/04/11 19:30:46 executing program 2: r0 = socket$inet6_sctp(0xa, 0x80000000000001, 0x84) setsockopt$inet_sctp6_SCTP_ENABLE_STREAM_RESET(r0, 0x84, 0x76, &(0x7f0000444ff8)={0x0, 0x7}, 0x8) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r0, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}], 0x1c) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r0, 0x84, 0x75, &(0x7f0000107ff8)={0x0, 0x10040000}, 0x8) connect$inet6(r0, &(0x7f00008c0000)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) sendmmsg(r0, &(0x7f000060d000)=[{{0x0, 0x0, &(0x7f0000c38ff0)=[{&(0x7f0000000180)='\x00', 0x1}], 0x1, &(0x7f0000299000)}}], 0x1, 0x8000) setsockopt$inet_sctp6_SCTP_RESET_STREAMS(r0, 0x84, 0x77, &(0x7f0000000000)={0x0, 0x80002}, 0x8) 2018/04/11 19:30:46 executing program 6: 2018/04/11 19:30:46 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000340)={0x26, 'skcipher\x00', 0x0, 0x0, 'lrw(serpent)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f0000c18000)="ad56b6c50400aeb995298992ea5400c2", 0x10) r1 = accept$alg(r0, 0x0, 0x0) recvmmsg(r1, &(0x7f0000003340)=[{{&(0x7f00000000c0)=@sco, 0x80, &(0x7f0000000100), 0x0, &(0x7f0000000140)=""/94, 0x5e}}, {{&(0x7f0000000000)=@pptp={0x0, 0x0, {0x0, @dev}}, 0x80, &(0x7f00000001c0)=[{&(0x7f0000003100)=""/226, 0xe2}], 0x1, &(0x7f0000000440)=""/239, 0xef}}], 0x2, 0x0, 0x0) 2018/04/11 19:30:46 executing program 5: 2018/04/11 19:30:46 executing program 7: r0 = socket$packet(0x11, 0x2, 0x300) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000000)={'bridge0\x00', 0x0}) sendto(r0, &(0x7f0000000640), 0x0, 0x0, &(0x7f00000005c0)=@ll={0x11, 0x0, r1, 0x1, 0x0, 0x6, @local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}}, 0x80) 2018/04/11 19:30:46 executing program 0: r0 = socket$inet6(0xa, 0x8000000000000802, 0x0) setsockopt$inet6_opts(r0, 0x29, 0x3b, &(0x7f0000000140)=@routing, 0x8) sendmsg(r0, &(0x7f0000000a40)={&(0x7f00000000c0)=@in6={0xa, 0x4e24, 0x0, @mcast1={0xff, 0x1, [], 0x1}}, 0x80, &(0x7f00000001c0), 0x0, &(0x7f00000009c0)}, 0x8001) sendmsg$inet_sctp(r0, &(0x7f0000000080)={&(0x7f0000000040)=@in6={0xa, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}}, 0x1c, &(0x7f0000000180)=[{&(0x7f00000012c0)="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", 0xb3d}], 0x1}, 0x8000) setsockopt$inet6_udp_int(r0, 0x11, 0x1, &(0x7f00009f0ffc), 0x4) 2018/04/11 19:30:46 executing program 6: syz_emit_ethernet(0x66, &(0x7f0000015e15)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @local={[0xaa, 0xaa, 0xaa, 0xaa], 0xffffffffffffffff}, [], {@ipv6={0x86dd, {0x0, 0x6, 'v`Q', 0x30, 0x3a, 0xffffffffffffffff, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [0x0, 0xfffffffffffff000], 0x1}, {[], @icmpv6=@dest_unreach={0xffffff86, 0x0, 0x0, 0x0, [0x14, 0x806], {0x0, 0x6, "c5961e", 0x0, 0x0, 0x4, @mcast1={0xff, 0x1, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x18, 0x3, 0x543, 0x0, 0x4], 0x1}, @mcast2={0xff, 0x2, [], 0x1}}}}}}}}, 0x0) 2018/04/11 19:30:46 executing program 4: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f000000d000)={0xa, 0x0, 0x0, @dev={0xfe, 0x80}, 0x6}, 0x1c) sendmsg(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000002480)=[{&(0x7f00000013c0)="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", 0x4b3}, {&(0x7f00000023c0)="5676f41bd59bc3b8aabf2b2a047999dc395484e9ecf416bd7810635e1d8d8f8150cd36295337630d87d098de71f8eb13ea5a9e49dfa86270971e1636ae7622b5db4ef5805f4674203aa24949cc8f23514b21175fdbf84300d5238490c637cd14c6ab03ad0c29c31e3aa966a197679591f4b2e2593e89acad02f05c913c67b4d412983856569b94", 0x87}], 0x2, &(0x7f0000000000)}, 0x0) [ 62.595826] ================================================================== [ 62.604490] BUG: KMSAN: uninit-value in raw6_local_deliver+0x259/0x1ac0 [ 62.611252] CPU: 0 PID: 5200 Comm: syz-executor0 Not tainted 4.16.0+ #83 [ 62.618090] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 62.627449] Call Trace: [ 62.630034] [ 62.632201] dump_stack+0x185/0x1d0 [ 62.635840] ? raw6_local_deliver+0x259/0x1ac0 [ 62.640428] kmsan_report+0x142/0x240 [ 62.644235] __msan_warning_32+0x6c/0xb0 [ 62.648304] ? ip6_input_finish+0x55c/0x2110 [ 62.652717] raw6_local_deliver+0x259/0x1ac0 [ 62.657144] ip6_input_finish+0x55c/0x2110 [ 62.661400] ? ip6table_filter_hook+0xb5/0xe0 [ 62.665904] ? __msan_metadata_ptr_for_load_2+0x10/0x20 [ 62.671277] ip6_mc_input+0x697/0x740 [ 62.675080] ? ip6_input+0x320/0x320 [ 62.678800] ? ip6_input_finish+0x2110/0x2110 [ 62.683299] ipv6_rcv+0x20ec/0x26d0 [ 62.686937] ? local_bh_enable+0x40/0x40 [ 62.691017] __netif_receive_skb_core+0x47cf/0x4a80 [ 62.696050] ? ip6_rcv_finish+0x4d0/0x4d0 [ 62.700208] process_backlog+0x62d/0xe20 [ 62.704285] ? rps_trigger_softirq+0x2f0/0x2f0 [ 62.708902] net_rx_action+0x7c1/0x1a70 [ 62.712891] ? net_tx_action+0xab0/0xab0 [ 62.716958] __do_softirq+0x56d/0x93d [ 62.720776] do_softirq_own_stack+0x2a/0x40 [ 62.725092] [ 62.727339] do_softirq+0xb6/0xf0 [ 62.730805] dev_loopback_xmit+0x8b0/0x900 [ 62.735054] ip6_finish_output2+0x5e6/0x1f20 [ 62.739471] ? validate_xmit_skb+0x1320/0x1320 [ 62.744073] ip6_fragment+0x4774/0x5150 [ 62.748059] ? ip6_make_skb+0x1100/0x1100 [ 62.752218] ip6_finish_output+0x96c/0xc00 [ 62.756452] ip6_output+0x597/0x6c0 [ 62.760074] ? ip6_output+0x6c0/0x6c0 [ 62.763857] ? ac6_seq_show+0x200/0x200 [ 62.767814] ip6_local_out+0x573/0x640 [ 62.771684] ? __ip6_local_out+0x4f0/0x4f0 [ 62.775913] ip6_send_skb+0xfa/0x380 [ 62.779610] udp_v6_send_skb+0x116a/0x1880 [ 62.783836] udp_v6_push_pending_frames+0x248/0x340 [ 62.788840] udp_lib_setsockopt+0x4c9/0xad0 [ 62.793145] ? udp_v6_send_skb+0x1880/0x1880 [ 62.797540] udpv6_setsockopt+0x1aa/0x1c0 [ 62.801686] ? udpv6_destroy_sock+0x260/0x260 [ 62.806188] sock_common_setsockopt+0x136/0x170 [ 62.810863] ? sock_common_recvmsg+0x270/0x270 [ 62.815437] SYSC_setsockopt+0x4b8/0x570 [ 62.819484] SyS_setsockopt+0x76/0xa0 [ 62.823279] do_syscall_64+0x309/0x430 [ 62.827162] ? SYSC_recv+0xe0/0xe0 [ 62.830690] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 62.835871] RIP: 0033:0x455259 [ 62.839054] RSP: 002b:00007fdc282b0c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 62.846740] RAX: ffffffffffffffda RBX: 00007fdc282b16d4 RCX: 0000000000455259 [ 62.853993] RDX: 0000000000000001 RSI: 0000000000000011 RDI: 0000000000000013 [ 62.861264] RBP: 000000000072bea0 R08: 0000000000000004 R09: 0000000000000000 [ 62.868519] R10: 00000000209f0ffc R11: 0000000000000246 R12: 00000000ffffffff [ 62.875773] R13: 0000000000000563 R14: 00000000006fb1e8 R15: 0000000000000000 [ 62.883035] [ 62.884649] Uninit was stored to memory at: [ 62.888965] kmsan_internal_chain_origin+0x12b/0x210 [ 62.894051] kmsan_memcpy_origins+0x11d/0x170 [ 62.898527] kmsan_memmove_origins+0x9/0x10 [ 62.902830] __msan_memmove+0xda/0x130 [ 62.906709] ipv6_frag_rcv+0x5055/0x6970 [ 62.910762] ip6_input_finish+0xa62/0x2110 [ 62.914980] ip6_mc_input+0x697/0x740 [ 62.918772] ipv6_rcv+0x20ec/0x26d0 [ 62.922381] __netif_receive_skb_core+0x47cf/0x4a80 [ 62.927384] process_backlog+0x62d/0xe20 [ 62.931434] net_rx_action+0x7c1/0x1a70 [ 62.935399] __do_softirq+0x56d/0x93d [ 62.939194] Uninit was created at: [ 62.942720] kmsan_internal_poison_shadow+0xb8/0x1b0 [ 62.947812] kmsan_kmalloc+0x94/0x100 [ 62.951604] kmsan_slab_alloc+0x11/0x20 [ 62.955559] __kmalloc_node_track_caller+0xaed/0x11c0 [ 62.960728] __alloc_skb+0x2cf/0x9f0 [ 62.964422] ip6_fragment+0x3d06/0x5150 [ 62.968376] ip6_finish_output+0x96c/0xc00 [ 62.972604] ip6_output+0x597/0x6c0 [ 62.976215] ip6_local_out+0x573/0x640 [ 62.980080] ip6_send_skb+0xfa/0x380 [ 62.983778] udp_v6_send_skb+0x116a/0x1880 [ 62.987994] udp_v6_push_pending_frames+0x248/0x340 [ 62.992996] udp_lib_setsockopt+0x4c9/0xad0 [ 62.997303] udpv6_setsockopt+0x1aa/0x1c0 [ 63.001431] sock_common_setsockopt+0x136/0x170 [ 63.006121] SYSC_setsockopt+0x4b8/0x570 [ 63.010197] SyS_setsockopt+0x76/0xa0 [ 63.013979] do_syscall_64+0x309/0x430 [ 63.017854] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 63.023024] ================================================================== [ 63.030367] Disabling lock debugging due to kernel taint [ 63.035794] Kernel panic - not syncing: panic_on_warn set ... [ 63.035794] [ 63.043155] CPU: 0 PID: 5200 Comm: syz-executor0 Tainted: G B 4.16.0+ #83 [ 63.051281] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 63.060615] Call Trace: [ 63.063185] [ 63.065322] dump_stack+0x185/0x1d0 [ 63.068944] panic+0x39d/0x940 [ 63.072143] ? raw6_local_deliver+0x259/0x1ac0 [ 63.076711] kmsan_report+0x238/0x240 [ 63.080506] __msan_warning_32+0x6c/0xb0 [ 63.084563] ? ip6_input_finish+0x55c/0x2110 [ 63.088955] raw6_local_deliver+0x259/0x1ac0 [ 63.093364] ip6_input_finish+0x55c/0x2110 [ 63.097596] ? ip6table_filter_hook+0xb5/0xe0 [ 63.102086] ? __msan_metadata_ptr_for_load_2+0x10/0x20 [ 63.107434] ip6_mc_input+0x697/0x740 [ 63.111220] ? ip6_input+0x320/0x320 [ 63.114921] ? ip6_input_finish+0x2110/0x2110 [ 63.119410] ipv6_rcv+0x20ec/0x26d0 [ 63.123041] ? local_bh_enable+0x40/0x40 [ 63.127095] __netif_receive_skb_core+0x47cf/0x4a80 [ 63.132098] ? ip6_rcv_finish+0x4d0/0x4d0 [ 63.136229] process_backlog+0x62d/0xe20 [ 63.140274] ? rps_trigger_softirq+0x2f0/0x2f0 [ 63.144836] net_rx_action+0x7c1/0x1a70 [ 63.148800] ? net_tx_action+0xab0/0xab0 [ 63.152845] __do_softirq+0x56d/0x93d [ 63.156640] do_softirq_own_stack+0x2a/0x40 [ 63.160938] [ 63.163162] do_softirq+0xb6/0xf0 [ 63.166601] dev_loopback_xmit+0x8b0/0x900 [ 63.170834] ip6_finish_output2+0x5e6/0x1f20 [ 63.175242] ? validate_xmit_skb+0x1320/0x1320 [ 63.179816] ip6_fragment+0x4774/0x5150 [ 63.183784] ? ip6_make_skb+0x1100/0x1100 [ 63.187947] ip6_finish_output+0x96c/0xc00 [ 63.192194] ip6_output+0x597/0x6c0 [ 63.195805] ? ip6_output+0x6c0/0x6c0 [ 63.199594] ? ac6_seq_show+0x200/0x200 [ 63.203564] ip6_local_out+0x573/0x640 [ 63.207442] ? __ip6_local_out+0x4f0/0x4f0 [ 63.211664] ip6_send_skb+0xfa/0x380 [ 63.215379] udp_v6_send_skb+0x116a/0x1880 [ 63.219611] udp_v6_push_pending_frames+0x248/0x340 [ 63.224611] udp_lib_setsockopt+0x4c9/0xad0 [ 63.228923] ? udp_v6_send_skb+0x1880/0x1880 [ 63.233318] udpv6_setsockopt+0x1aa/0x1c0 [ 63.237448] ? udpv6_destroy_sock+0x260/0x260 [ 63.241926] sock_common_setsockopt+0x136/0x170 [ 63.246578] ? sock_common_recvmsg+0x270/0x270 [ 63.251144] SYSC_setsockopt+0x4b8/0x570 [ 63.255197] SyS_setsockopt+0x76/0xa0 [ 63.258981] do_syscall_64+0x309/0x430 [ 63.262853] ? SYSC_recv+0xe0/0xe0 [ 63.266376] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 63.271544] RIP: 0033:0x455259 [ 63.274723] RSP: 002b:00007fdc282b0c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 63.282423] RAX: ffffffffffffffda RBX: 00007fdc282b16d4 RCX: 0000000000455259 [ 63.289682] RDX: 0000000000000001 RSI: 0000000000000011 RDI: 0000000000000013 [ 63.296945] RBP: 000000000072bea0 R08: 0000000000000004 R09: 0000000000000000 [ 63.304195] R10: 00000000209f0ffc R11: 0000000000000246 R12: 00000000ffffffff [ 63.311446] R13: 0000000000000563 R14: 00000000006fb1e8 R15: 0000000000000000 [ 63.319191] Dumping ftrace buffer: [ 63.322716] (ftrace buffer empty) [ 63.326400] Kernel Offset: disabled [ 63.330004] Rebooting in 86400 seconds..