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 '10.128.0.53' (ECDSA) to the list of known hosts. 2018/04/14 14:02:09 fuzzer started 2018/04/14 14:02:09 dialing manager at 10.128.0.26:36243 2018/04/14 14:02:15 kcov=true, comps=false 2018/04/14 14:02:18 executing program 0: 2018/04/14 14:02:18 executing program 1: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clone(0x0, &(0x7f0000b6b000), &(0x7f0000744000), &(0x7f0000fef000), &(0x7f0000dacfc9)) 2018/04/14 14:02:18 executing program 7: r0 = socket$inet6(0xa, 0x80803, 0x100000001) perf_event_open(&(0x7f0000940000)={0x2, 0x78, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3}, 0x0, 0x0, 0xffffffffffffffff, 0x0) getsockopt$IP6T_SO_GET_INFO(r0, 0x29, 0x40, &(0x7f0000000040)={'filter\x00'}, &(0x7f0000000100)=0x54) 2018/04/14 14:02:18 executing program 4: r0 = gettid() socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000c45ff8)={0xffffffffffffffff, 0xffffffffffffffff}) ftruncate(r1, 0x2) getrandom(&(0x7f0000000080)=""/133, 0xfffffffffffffd07, 0x0) read(r2, &(0x7f0000d48000)=""/1, 0x1) ioctl$int_in(r1, 0x5452, &(0x7f0000000140)=0x2000000003f) fcntl$setown(r1, 0x8, r0) fcntl$setsig(r1, 0xa, 0x12) r3 = dup2(r1, r2) r4 = getgid() getgroups(0x3, &(0x7f0000001d00)=[0x0, 0x0, r4]) tkill(r0, 0x14) getsockopt$inet_IP_IPSEC_POLICY(r3, 0x0, 0x10, &(0x7f00000017c0)={{{@in6=@ipv4={[], [], @local}, @in6=@dev}}, {{@in6=@mcast2}}}, &(0x7f00000018c0)=0xe8) 2018/04/14 14:02:18 executing program 2: r0 = socket$kcm(0xa, 0x20000000000005, 0x0) sendmsg$kcm(r0, &(0x7f0000000940)={&(0x7f0000000600)=@in={0x2, 0x0, @loopback=0x7f000001}, 0x80, &(0x7f0000000f80)=[{&(0x7f0000000e80)='+', 0x1}], 0x1, &(0x7f0000001380)}, 0x0) 2018/04/14 14:02:18 executing program 3: r0 = socket$inet6(0xa, 0x3, 0x6) connect$inet6(r0, &(0x7f0000002fe4)={0xa}, 0x1c) sendmsg(r0, &(0x7f0000007000)={0x0, 0x0, &(0x7f0000000ff0)=[{&(0x7f000000af89)="0600", 0x2}], 0x1, &(0x7f0000026000)}, 0x2000c080) sendmsg(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)=[{&(0x7f0000000000)="90bcbd2acdfdc13954f877b82c75e4b5bf72020000004eafbb4d", 0x1a}], 0x1}, 0x0) 2018/04/14 14:02:18 executing program 5: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = memfd_create(&(0x7f00002d7ffa)='-G\\%(\x00', 0x3) fcntl$addseals(r0, 0x409, 0xb) 2018/04/14 14:02:18 executing program 6: r0 = socket$inet6(0xa, 0x2000000000001, 0x0) setsockopt$sock_int(r0, 0x1, 0xf, &(0x7f0000000040)=0x5c802861, 0x4) setsockopt$inet6_int(r0, 0x29, 0xb, &(0x7f00000000c0)=0x1, 0x4) bind$inet6(r0, &(0x7f0000402000)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) sendto$inet6(r0, &(0x7f00007a8fff), 0x0, 0xfffffefffffffffe, &(0x7f0000f62fe4)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) syzkaller login: [ 42.604877] ip (3756) used greatest stack depth: 54688 bytes left [ 43.779559] ip (3874) used greatest stack depth: 54200 bytes left [ 44.221401] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.227891] bridge0: port 1(bridge_slave_0) entered disabled state [ 44.254964] device bridge_slave_0 entered promiscuous mode [ 44.415370] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.421832] bridge0: port 1(bridge_slave_0) entered disabled state [ 44.464499] device bridge_slave_0 entered promiscuous mode [ 44.476185] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.482661] bridge0: port 2(bridge_slave_1) entered disabled state [ 44.489967] device bridge_slave_1 entered promiscuous mode [ 44.506672] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.513116] bridge0: port 1(bridge_slave_0) entered disabled state [ 44.523793] device bridge_slave_0 entered promiscuous mode [ 44.565153] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.571616] bridge0: port 1(bridge_slave_0) entered disabled state [ 44.599337] device bridge_slave_0 entered promiscuous mode [ 44.622576] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.629095] bridge0: port 1(bridge_slave_0) entered disabled state [ 44.655970] device bridge_slave_0 entered promiscuous mode [ 44.673479] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 44.684109] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.690564] bridge0: port 2(bridge_slave_1) entered disabled state [ 44.714982] device bridge_slave_1 entered promiscuous mode [ 44.723278] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.729718] bridge0: port 1(bridge_slave_0) entered disabled state [ 44.746389] device bridge_slave_0 entered promiscuous mode [ 44.766767] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.773212] bridge0: port 2(bridge_slave_1) entered disabled state [ 44.793181] device bridge_slave_1 entered promiscuous mode [ 44.803375] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.809791] bridge0: port 1(bridge_slave_0) entered disabled state [ 44.832363] device bridge_slave_0 entered promiscuous mode [ 44.841379] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.847826] bridge0: port 1(bridge_slave_0) entered disabled state [ 44.858601] device bridge_slave_0 entered promiscuous mode [ 44.867356] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.873804] bridge0: port 2(bridge_slave_1) entered disabled state [ 44.896277] device bridge_slave_1 entered promiscuous mode [ 44.902912] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.909407] bridge0: port 2(bridge_slave_1) entered disabled state [ 44.925584] device bridge_slave_1 entered promiscuous mode [ 44.934549] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 44.942095] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 44.952362] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 44.960598] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.967098] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.003697] device bridge_slave_1 entered promiscuous mode [ 45.016480] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.022968] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.064230] device bridge_slave_1 entered promiscuous mode [ 45.070959] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.077427] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.112800] device bridge_slave_1 entered promiscuous mode [ 45.141383] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 45.148949] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 45.163075] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 45.175634] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 45.185218] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 45.273424] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 45.351211] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 45.363561] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 45.374136] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 45.387497] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 45.489622] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 45.559476] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 45.918604] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 46.099081] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 46.109503] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 46.187929] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 46.302779] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 46.326552] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 46.344190] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 46.385760] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 46.410810] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 46.453890] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 46.500218] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 46.521147] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 46.531097] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 46.603403] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 46.623226] ip (4088) used greatest stack depth: 53640 bytes left [ 46.641731] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 46.687601] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 47.014820] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 47.243421] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 47.392235] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 47.403138] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 47.442377] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 47.449502] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 47.459634] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 47.489181] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 47.499250] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 47.570431] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 47.579340] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 47.643344] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 47.662637] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 47.671287] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 47.678785] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 47.688194] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 47.698185] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 47.724859] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 47.775492] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 47.790489] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 47.797577] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 47.814641] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 47.840905] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 47.848124] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 47.864636] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 47.909463] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 47.921637] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 47.930437] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 47.942867] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 47.951636] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 47.967075] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 48.000307] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 48.007397] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 48.023858] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 48.047895] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 48.055598] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 48.062653] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 48.115258] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 48.151522] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 48.170726] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 48.182961] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 48.202786] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 48.211951] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 48.235783] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 48.258483] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 48.275741] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 48.308152] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 48.315793] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 48.323662] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 48.342798] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 48.363488] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 48.376829] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 48.397504] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 48.411132] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 48.442612] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 48.466217] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 48.475485] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 48.486501] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 48.520601] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 48.528842] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 48.542684] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 48.575725] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 48.607544] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 48.629704] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 50.197195] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.203677] bridge0: port 2(bridge_slave_1) entered forwarding state [ 50.210542] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.216984] bridge0: port 1(bridge_slave_0) entered forwarding state [ 50.282113] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 50.288567] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 50.324228] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.330687] bridge0: port 2(bridge_slave_1) entered forwarding state [ 50.337527] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.343960] bridge0: port 1(bridge_slave_0) entered forwarding state [ 50.385853] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 50.399369] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.405792] bridge0: port 2(bridge_slave_1) entered forwarding state [ 50.412604] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.419056] bridge0: port 1(bridge_slave_0) entered forwarding state [ 50.437418] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 50.625816] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.632287] bridge0: port 2(bridge_slave_1) entered forwarding state [ 50.639161] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.645578] bridge0: port 1(bridge_slave_0) entered forwarding state [ 50.654860] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 50.664435] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.670895] bridge0: port 2(bridge_slave_1) entered forwarding state [ 50.677733] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.684183] bridge0: port 1(bridge_slave_0) entered forwarding state [ 50.695247] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 50.714171] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.720597] bridge0: port 2(bridge_slave_1) entered forwarding state [ 50.727425] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.733856] bridge0: port 1(bridge_slave_0) entered forwarding state [ 50.751412] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 50.972368] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.978843] bridge0: port 2(bridge_slave_1) entered forwarding state [ 50.985698] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.992134] bridge0: port 1(bridge_slave_0) entered forwarding state [ 51.052839] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 51.059948] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.066416] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.073294] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.079734] bridge0: port 1(bridge_slave_0) entered forwarding state [ 51.094435] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 51.296137] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 51.309484] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 51.336110] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 51.351623] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 51.366649] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 51.383629] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 51.399998] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 59.304334] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 59.353808] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 59.572944] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 59.671821] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 59.788783] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 59.901685] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 59.922558] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 60.073920] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 60.080348] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.088442] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.121679] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 60.127879] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.137863] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.216308] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 60.343376] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 60.349627] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.365448] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.461783] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 60.468097] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.479788] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.602292] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 60.608525] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.618796] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.735919] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 60.743918] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.757605] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.796376] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 60.803612] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.812092] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.049350] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 61.055580] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.069249] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 66.370382] ================================================================== [ 66.377792] BUG: KMSAN: uninit-value in tcp_v6_rcv+0x86e/0x62c0 [ 66.383845] CPU: 1 PID: 5757 Comm: syz-executor3 Not tainted 4.16.0+ #83 [ 66.390681] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 66.400027] Call Trace: [ 66.402601] [ 66.404749] dump_stack+0x185/0x1d0 [ 66.408377] ? tcp_v6_rcv+0x86e/0x62c0 [ 66.412260] kmsan_report+0x142/0x240 [ 66.416053] __msan_warning_32+0x6c/0xb0 [ 66.420109] tcp_v6_rcv+0x86e/0x62c0 [ 66.423824] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 66.429188] ? ip6_input_finish+0x805/0x2110 [ 66.433591] ? tcp_v6_early_demux+0xab0/0xab0 [ 66.438079] ip6_input_finish+0xa62/0x2110 [ 66.442308] ? ip6table_filter_hook+0xb5/0xe0 [ 66.446795] ? __msan_metadata_ptr_for_load_2+0x10/0x20 [ 66.452151] ? ip6_input_finish+0x12a1/0x2110 [ 66.456637] ip6_input+0x294/0x320 [ 66.460169] ? ip6_input+0x320/0x320 [ 66.463877] ? ipv6_rcv+0x26d0/0x26d0 [ 66.467675] ipv6_rcv+0x20ec/0x26d0 [ 66.471295] ? local_bh_enable+0x40/0x40 [ 66.475359] __netif_receive_skb_core+0x47cf/0x4a80 [ 66.480362] ? rb_insert_color+0xa4/0x1300 [ 66.484591] ? kmsan_internal_memset_shadow_inline+0xd0/0xd0 [ 66.490384] ? ip6_rcv_finish+0x4d0/0x4d0 [ 66.494521] process_backlog+0x62d/0xe20 [ 66.498577] ? rps_trigger_softirq+0x2f0/0x2f0 [ 66.503145] net_rx_action+0x7c1/0x1a70 [ 66.507126] ? net_tx_action+0xab0/0xab0 [ 66.511192] __do_softirq+0x56d/0x93d [ 66.514988] do_softirq_own_stack+0x2a/0x40 [ 66.519292] [ 66.521520] __local_bh_enable_ip+0x114/0x140 [ 66.526006] local_bh_enable+0x36/0x40 [ 66.529896] ip6_finish_output2+0x1b6c/0x1f20 [ 66.534402] ip6_finish_output+0xb3f/0xc00 [ 66.538634] ip6_output+0x597/0x6c0 [ 66.542250] ? ip6_output+0x6c0/0x6c0 [ 66.546049] ? ac6_seq_show+0x200/0x200 [ 66.550015] ip6_local_out+0x573/0x640 [ 66.553898] ? __ip6_local_out+0x4f0/0x4f0 [ 66.558132] ip6_push_pending_frames+0x218/0x4d0 [ 66.562878] rawv6_sendmsg+0x4500/0x4cc0 [ 66.566937] ? kmsan_internal_unpoison_shadow+0x83/0xe0 [ 66.572292] ? rw_copy_check_uvector+0x5af/0x6c0 [ 66.577055] ? compat_rawv6_ioctl+0x30/0x30 [ 66.581366] inet_sendmsg+0x48d/0x740 [ 66.585157] ? security_socket_sendmsg+0x9e/0x210 [ 66.589992] ? inet_getname+0x500/0x500 [ 66.593959] ___sys_sendmsg+0xec0/0x1310 [ 66.598015] ? __fdget+0x4e/0x60 [ 66.601376] ? __fget_light+0x56/0x710 [ 66.605249] ? __fdget+0x4e/0x60 [ 66.608605] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 66.613961] ? __fget_light+0x6b9/0x710 [ 66.617937] SYSC_sendmsg+0x2a3/0x3d0 [ 66.621733] SyS_sendmsg+0x54/0x80 [ 66.625264] do_syscall_64+0x309/0x430 [ 66.629146] ? ___sys_sendmsg+0x1310/0x1310 [ 66.633460] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 66.638638] RIP: 0033:0x455319 [ 66.641816] RSP: 002b:00007f6f242d7c68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 66.649514] RAX: ffffffffffffffda RBX: 00007f6f242d86d4 RCX: 0000000000455319 [ 66.656771] RDX: 0000000000000000 RSI: 0000000020000100 RDI: 0000000000000013 [ 66.664031] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 66.671290] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 66.678548] R13: 00000000000004cc R14: 00000000006fa3c0 R15: 0000000000000000 [ 66.685805] [ 66.687416] Uninit was stored to memory at: [ 66.691729] kmsan_internal_chain_origin+0x12b/0x210 [ 66.696827] kmsan_memcpy_origins+0x11d/0x170 [ 66.701311] __msan_memcpy+0x19f/0x1f0 [ 66.705186] skb_copy_bits+0x63a/0xdb0 [ 66.709064] __pskb_pull_tail+0x483/0x22e0 [ 66.713297] tcp_v6_rcv+0x81f/0x62c0 [ 66.717026] ip6_input_finish+0xa62/0x2110 [ 66.721250] ip6_input+0x294/0x320 [ 66.724780] ipv6_rcv+0x20ec/0x26d0 [ 66.728397] __netif_receive_skb_core+0x47cf/0x4a80 [ 66.733401] process_backlog+0x62d/0xe20 [ 66.737449] net_rx_action+0x7c1/0x1a70 [ 66.741420] __do_softirq+0x56d/0x93d [ 66.745199] Uninit was created at: [ 66.748725] kmsan_alloc_meta_for_pages+0x161/0x3a0 [ 66.753727] kmsan_alloc_page+0x82/0xe0 [ 66.757695] __alloc_pages_nodemask+0xf5b/0x5dc0 [ 66.762441] alloc_pages_current+0x6b5/0x970 [ 66.766835] skb_page_frag_refill+0x3ba/0x5e0 [ 66.771318] sk_page_frag_refill+0xa4/0x340 [ 66.775630] __ip6_append_data+0x1a20/0x4bb0 [ 66.780029] ip6_append_data+0x40e/0x6b0 [ 66.784076] rawv6_sendmsg+0x2787/0x4cc0 [ 66.788128] inet_sendmsg+0x48d/0x740 [ 66.791921] ___sys_sendmsg+0xec0/0x1310 [ 66.795968] SYSC_sendmsg+0x2a3/0x3d0 [ 66.799756] SyS_sendmsg+0x54/0x80 [ 66.803284] do_syscall_64+0x309/0x430 [ 66.807162] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 66.812332] ================================================================== [ 66.819674] Disabling lock debugging due to kernel taint [ 66.825107] Kernel panic - not syncing: panic_on_warn set ... [ 66.825107] [ 66.832465] CPU: 1 PID: 5757 Comm: syz-executor3 Tainted: G B 4.16.0+ #83 [ 66.840588] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 66.849926] Call Trace: [ 66.852495] [ 66.854634] dump_stack+0x185/0x1d0 [ 66.858255] panic+0x39d/0x940 [ 66.861461] ? tcp_v6_rcv+0x86e/0x62c0 [ 66.865336] kmsan_report+0x238/0x240 [ 66.869127] __msan_warning_32+0x6c/0xb0 [ 66.873178] tcp_v6_rcv+0x86e/0x62c0 [ 66.876885] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 66.882257] ? ip6_input_finish+0x805/0x2110 [ 66.886661] ? tcp_v6_early_demux+0xab0/0xab0 [ 66.891156] ip6_input_finish+0xa62/0x2110 [ 66.895388] ? ip6table_filter_hook+0xb5/0xe0 [ 66.899880] ? __msan_metadata_ptr_for_load_2+0x10/0x20 [ 66.905243] ? ip6_input_finish+0x12a1/0x2110 [ 66.909726] ip6_input+0x294/0x320 [ 66.913242] ? ip6_input+0x320/0x320 [ 66.916941] ? ipv6_rcv+0x26d0/0x26d0 [ 66.920727] ipv6_rcv+0x20ec/0x26d0 [ 66.924331] ? local_bh_enable+0x40/0x40 [ 66.928375] __netif_receive_skb_core+0x47cf/0x4a80 [ 66.933368] ? rb_insert_color+0xa4/0x1300 [ 66.937581] ? kmsan_internal_memset_shadow_inline+0xd0/0xd0 [ 66.943354] ? ip6_rcv_finish+0x4d0/0x4d0 [ 66.947481] process_backlog+0x62d/0xe20 [ 66.951533] ? rps_trigger_softirq+0x2f0/0x2f0 [ 66.956101] net_rx_action+0x7c1/0x1a70 [ 66.960063] ? net_tx_action+0xab0/0xab0 [ 66.964109] __do_softirq+0x56d/0x93d [ 66.967887] do_softirq_own_stack+0x2a/0x40 [ 66.972178] [ 66.974392] __local_bh_enable_ip+0x114/0x140 [ 66.978865] local_bh_enable+0x36/0x40 [ 66.982729] ip6_finish_output2+0x1b6c/0x1f20 [ 66.987207] ip6_finish_output+0xb3f/0xc00 [ 66.991418] ip6_output+0x597/0x6c0 [ 66.995027] ? ip6_output+0x6c0/0x6c0 [ 66.998811] ? ac6_seq_show+0x200/0x200 [ 67.002759] ip6_local_out+0x573/0x640 [ 67.006625] ? __ip6_local_out+0x4f0/0x4f0 [ 67.010836] ip6_push_pending_frames+0x218/0x4d0 [ 67.015567] rawv6_sendmsg+0x4500/0x4cc0 [ 67.019604] ? kmsan_internal_unpoison_shadow+0x83/0xe0 [ 67.024945] ? rw_copy_check_uvector+0x5af/0x6c0 [ 67.029690] ? compat_rawv6_ioctl+0x30/0x30 [ 67.033989] inet_sendmsg+0x48d/0x740 [ 67.037768] ? security_socket_sendmsg+0x9e/0x210 [ 67.042587] ? inet_getname+0x500/0x500 [ 67.046555] ___sys_sendmsg+0xec0/0x1310 [ 67.050594] ? __fdget+0x4e/0x60 [ 67.053937] ? __fget_light+0x56/0x710 [ 67.057798] ? __fdget+0x4e/0x60 [ 67.061140] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 67.066478] ? __fget_light+0x6b9/0x710 [ 67.070432] SYSC_sendmsg+0x2a3/0x3d0 [ 67.074210] SyS_sendmsg+0x54/0x80 [ 67.077726] do_syscall_64+0x309/0x430 [ 67.081589] ? ___sys_sendmsg+0x1310/0x1310 [ 67.085889] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 67.091052] RIP: 0033:0x455319 [ 67.094216] RSP: 002b:00007f6f242d7c68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 67.101896] RAX: ffffffffffffffda RBX: 00007f6f242d86d4 RCX: 0000000000455319 [ 67.109144] RDX: 0000000000000000 RSI: 0000000020000100 RDI: 0000000000000013 [ 67.116388] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 67.123632] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 67.130876] R13: 00000000000004cc R14: 00000000006fa3c0 R15: 0000000000000000 [ 67.138535] Dumping ftrace buffer: [ 67.142054] (ftrace buffer empty) [ 67.145733] Kernel Offset: disabled [ 67.149330] Rebooting in 86400 seconds..