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 '10.128.0.22' (ECDSA) to the list of known hosts. 2018/04/14 17:02:17 fuzzer started 2018/04/14 17:02:17 dialing manager at 10.128.0.26:36243 2018/04/14 17:02:23 kcov=true, comps=false 2018/04/14 17:02:26 executing program 0: perf_event_open(&(0x7f0000000040)={0x200000002, 0x70, 0x6, 0x108000001, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = gettid() r1 = syz_open_procfs(r0, &(0x7f00008a1ff7)='loginuid\x00') sendfile(r1, r1, &(0x7f0000000000), 0x1004) request_key(&(0x7f0000000240)='id_resolver\x00', &(0x7f0000000180)={0x73, 0x79, 0x7a}, &(0x7f0000000280)='*\x00', 0x0) 2018/04/14 17:02:26 executing program 1: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet(0x10, 0x3, 0x0) sendmsg(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000040)=[{&(0x7f0000000000)="240000002a00030206fffd94f5a200050100000001000000000000000000000000000000", 0x24}], 0x1}, 0x0) 2018/04/14 17:02:26 executing program 7: r0 = syz_open_procfs(0x0, &(0x7f0000000240)='net/ip6_mr_cache\x00') readv(r0, &(0x7f00009a5f80)=[{&(0x7f0000214000)=""/4096, 0x1000}], 0x1) pread64(r0, &(0x7f0000000400)=""/58, 0x3a, 0x0) readv(r0, &(0x7f0000dc8ff8)=[{&(0x7f0000208000)=""/4096, 0x1000}], 0x1d3) 2018/04/14 17:02:26 executing program 4: 2018/04/14 17:02:26 executing program 2: 2018/04/14 17:02:26 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) bind$inet6(r0, &(0x7f0000f13000)={0xa, 0x4e22}, 0x1c) syz_emit_ethernet(0x3e, &(0x7f0000694ffe)={@broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], @link_local={0x1, 0x80, 0xc2}, [], {@ipv6={0x86dd, {0x0, 0x6, "06f526", 0x8, 0x11, 0x0, @empty, @mcast2={0xff, 0x2, [], 0x1}, {[], @udp={0x0, 0x4e22, 0x8}}}}}}, &(0x7f00000000c0)) 2018/04/14 17:02:26 executing program 5: r0 = socket$inet_udp(0x2, 0x2, 0x0) setsockopt$inet_mreqsrc(r0, 0x0, 0x27, &(0x7f000001b000)={@multicast1=0xe0000001, @loopback=0x7f000001, @dev={0xac, 0x14}}, 0xc) r1 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_mreqn(r1, 0x0, 0x27, &(0x7f0000001080)={@multicast1=0xe0000001, @loopback=0x7f000001}, 0xc) close(r1) 2018/04/14 17:02:26 executing program 6: r0 = socket$nl_generic(0x10, 0x3, 0x10) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f}, 0x0, 0x0, 0xffffffffffffffff, 0x0) sendmsg$nl_generic(r0, &(0x7f00000001c0)={&(0x7f0000000280)={0x10}, 0xc, &(0x7f0000000300)={&(0x7f0000000800)={0x14, 0x27, 0x1ff307543bf68163, 0x0, 0x0, {0xc}}, 0x14}, 0x1}, 0x0) syzkaller login: [ 42.496540] ip (3800) used greatest stack depth: 54440 bytes left [ 42.778466] ip (3822) used greatest stack depth: 54408 bytes left [ 43.391441] ip (3890) used greatest stack depth: 54200 bytes left [ 43.988010] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.994551] bridge0: port 1(bridge_slave_0) entered disabled state [ 44.032446] device bridge_slave_0 entered promiscuous mode [ 44.049127] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.055662] bridge0: port 1(bridge_slave_0) entered disabled state [ 44.071830] device bridge_slave_0 entered promiscuous mode [ 44.081387] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.087866] bridge0: port 1(bridge_slave_0) entered disabled state [ 44.100703] device bridge_slave_0 entered promiscuous mode [ 44.151710] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.158241] bridge0: port 1(bridge_slave_0) entered disabled state [ 44.208516] device bridge_slave_0 entered promiscuous mode [ 44.235904] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.242445] bridge0: port 1(bridge_slave_0) entered disabled state [ 44.263450] device bridge_slave_0 entered promiscuous mode [ 44.274793] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.281262] bridge0: port 2(bridge_slave_1) entered disabled state [ 44.291582] device bridge_slave_1 entered promiscuous mode [ 44.300841] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.307305] bridge0: port 1(bridge_slave_0) entered disabled state [ 44.315189] device bridge_slave_0 entered promiscuous mode [ 44.335910] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.342407] bridge0: port 2(bridge_slave_1) entered disabled state [ 44.364717] device bridge_slave_1 entered promiscuous mode [ 44.380685] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.387175] bridge0: port 2(bridge_slave_1) entered disabled state [ 44.414096] device bridge_slave_1 entered promiscuous mode [ 44.421544] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.428012] bridge0: port 1(bridge_slave_0) entered disabled state [ 44.449121] device bridge_slave_0 entered promiscuous mode [ 44.457480] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.463977] bridge0: port 1(bridge_slave_0) entered disabled state [ 44.481079] device bridge_slave_0 entered promiscuous mode [ 44.489370] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.495891] bridge0: port 2(bridge_slave_1) entered disabled state [ 44.512180] device bridge_slave_1 entered promiscuous mode [ 44.522915] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.529398] bridge0: port 2(bridge_slave_1) entered disabled state [ 44.550395] device bridge_slave_1 entered promiscuous mode [ 44.559913] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 44.569302] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 44.576895] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.583384] bridge0: port 2(bridge_slave_1) entered disabled state [ 44.608839] device bridge_slave_1 entered promiscuous mode [ 44.617145] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 44.626917] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.633434] bridge0: port 2(bridge_slave_1) entered disabled state [ 44.649149] device bridge_slave_1 entered promiscuous mode [ 44.658801] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.665296] bridge0: port 2(bridge_slave_1) entered disabled state [ 44.719392] device bridge_slave_1 entered promiscuous mode [ 44.726623] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 44.736196] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 44.782638] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 44.800614] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 44.823075] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 44.852955] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 44.879464] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 44.887933] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 44.907422] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 44.970969] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 45.100662] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 45.151121] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 45.159822] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 45.749167] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 45.851538] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 45.861296] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 45.868756] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 45.939104] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 45.967808] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 46.053919] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 46.073754] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 46.087912] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 46.105087] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 46.127268] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 46.152815] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 46.172994] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 46.326694] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 46.338392] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 46.370620] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 47.004343] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 47.014172] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 47.079813] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 47.109677] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 47.228520] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 47.236105] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 47.260179] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 47.304693] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 47.333506] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 47.340859] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 47.349827] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 47.373616] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 47.433733] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 47.440939] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 47.459186] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 47.490684] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 47.501189] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 47.513279] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 47.541246] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 47.552527] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 47.561070] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 47.573677] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 47.597588] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 47.604772] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 47.626544] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 47.663413] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 47.672188] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 47.696851] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 47.717300] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 47.726187] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 47.761956] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 47.782590] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 47.799362] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 47.808810] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 47.825247] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 47.833547] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 47.842333] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 47.852126] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 47.862172] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 47.871190] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 47.891183] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 47.921971] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 47.945378] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 47.967678] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 47.982827] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 47.992855] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 48.001184] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 48.009955] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 48.018172] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 48.041700] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 48.050180] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 48.057923] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 48.073720] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 48.080949] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 48.108487] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 48.150156] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 48.186827] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 48.220145] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 48.236775] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 48.245608] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 48.253581] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 48.263394] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 48.295160] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 48.314664] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 50.141559] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.148126] bridge0: port 2(bridge_slave_1) entered forwarding state [ 50.155266] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.162847] bridge0: port 1(bridge_slave_0) entered forwarding state [ 50.194762] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 50.202586] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 50.249327] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.255813] bridge0: port 2(bridge_slave_1) entered forwarding state [ 50.262689] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.269144] bridge0: port 1(bridge_slave_0) entered forwarding state [ 50.358006] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 50.409699] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.416199] bridge0: port 2(bridge_slave_1) entered forwarding state [ 50.423086] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.429615] bridge0: port 1(bridge_slave_0) entered forwarding state [ 50.466425] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 50.475160] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.481617] bridge0: port 2(bridge_slave_1) entered forwarding state [ 50.488442] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.494855] bridge0: port 1(bridge_slave_0) entered forwarding state [ 50.505844] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 50.516638] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.523101] bridge0: port 2(bridge_slave_1) entered forwarding state [ 50.529923] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.536376] bridge0: port 1(bridge_slave_0) entered forwarding state [ 50.547370] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 50.559496] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.565997] bridge0: port 2(bridge_slave_1) entered forwarding state [ 50.572920] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.579434] bridge0: port 1(bridge_slave_0) entered forwarding state [ 50.606079] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 50.615311] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.621783] bridge0: port 2(bridge_slave_1) entered forwarding state [ 50.628646] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.635133] bridge0: port 1(bridge_slave_0) entered forwarding state [ 50.660906] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 50.668358] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.674858] bridge0: port 2(bridge_slave_1) entered forwarding state [ 50.681715] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.688205] bridge0: port 1(bridge_slave_0) entered forwarding state [ 50.696606] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 51.232220] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 51.255780] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 51.282468] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 51.298935] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 51.307165] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 51.315958] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 51.323619] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 59.613835] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 59.880246] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 59.933840] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 60.009742] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 60.029196] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 60.038467] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 60.102460] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 60.113371] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 60.441478] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 60.447791] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.458818] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.690903] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 60.697327] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.709097] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.736591] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 60.747608] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.764115] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.791192] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 60.805727] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 60.812150] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.821881] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.850820] ip (5247) used greatest stack depth: 53976 bytes left [ 60.864182] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.892877] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.943108] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 60.949363] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.995680] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.043561] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 61.049802] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.070941] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.164099] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 61.170494] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.186654] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 66.259788] ================================================================== [ 66.267207] BUG: KMSAN: uninit-value in update_stack_state+0x673/0xa40 [ 66.273879] CPU: 0 PID: 5705 Comm: syz-executor0 Not tainted 4.16.0+ #83 [ 66.280714] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 66.290063] Call Trace: [ 66.292658] dump_stack+0x185/0x1d0 [ 66.296300] ? update_stack_state+0x673/0xa40 [ 66.300794] kmsan_report+0x142/0x240 [ 66.304602] __msan_warning_32+0x6c/0xb0 [ 66.308666] update_stack_state+0x673/0xa40 [ 66.313001] unwind_next_frame+0x618/0xe50 [ 66.317265] __unwind_start+0x508/0x630 [ 66.321247] __save_stack_trace+0x3e1/0xa80 [ 66.325578] ? __save_stack_trace+0x3e1/0xa80 [ 66.330084] save_stack_trace+0xa5/0xf0 [ 66.334073] kmsan_internal_chain_origin+0x12b/0x210 [ 66.339190] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 66.344646] ? vsnprintf+0x32cf/0x33c0 [ 66.348544] ? scnprintf+0x222/0x2b0 [ 66.352268] kmsan_memcpy_origins+0x11d/0x170 [ 66.356770] kmsan_copy_to_user+0x132/0x160 [ 66.361101] simple_read_from_buffer+0x24d/0x3d0 [ 66.365884] proc_loginuid_read+0x34f/0x410 [ 66.370303] do_iter_read+0x880/0xd70 [ 66.374120] ? oom_score_adj_write+0x440/0x440 [ 66.378713] vfs_readv+0x1ec/0x260 [ 66.382277] default_file_splice_read+0xa9a/0x1120 [ 66.387221] ? security_file_permission+0x473/0x4b0 [ 66.392243] ? rw_verify_area+0x35e/0x580 [ 66.396399] ? SYSC_tee+0x13d0/0x13d0 [ 66.400210] splice_direct_to_actor+0x4c6/0x1040 [ 66.404969] ? do_splice_direct+0x540/0x540 [ 66.409296] ? security_file_permission+0x28f/0x4b0 [ 66.414325] ? rw_verify_area+0x35e/0x580 [ 66.418484] do_splice_direct+0x335/0x540 [ 66.422645] do_sendfile+0x1067/0x1e40 [ 66.426637] SYSC_sendfile64+0x1b3/0x300 [ 66.430707] SyS_sendfile64+0x64/0x90 [ 66.434511] do_syscall_64+0x309/0x430 [ 66.438410] ? SYSC_sendfile+0x320/0x320 [ 66.442489] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 66.447681] RIP: 0033:0x455319 [ 66.450867] RSP: 002b:00007fc97b3cac68 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 [ 66.458573] RAX: ffffffffffffffda RBX: 00007fc97b3cb6d4 RCX: 0000000000455319 [ 66.465843] RDX: 0000000020000000 RSI: 0000000000000016 RDI: 0000000000000016 [ 66.473109] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 66.480377] R10: 0000000000001004 R11: 0000000000000246 R12: 00000000ffffffff [ 66.487643] R13: 00000000000004c6 R14: 00000000006fa330 R15: 0000000000000000 [ 66.494908] [ 66.496530] Local variable description: ----handle.i@event_sched_in [ 66.502924] Variable was created at: [ 66.506644] event_sched_in+0x8c/0x2de0 2018/04/14 17:02:53 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f000020d000)={0x26, 'skcipher\x00', 0x0, 0x0, 'ecb-cipher_null\x00'}, 0x58) r1 = accept$alg(r0, 0x0, 0x0) sendmsg$alg(r1, &(0x7f00002f8fc8)={0x0, 0x0, &(0x7f0000002000)}, 0x8001) recvmsg(r1, &(0x7f0000136000)={0x0, 0x0, &(0x7f00002a1000)=[{&(0x7f0000308000)=""/1, 0x1}], 0x1, &(0x7f0000319000)}, 0x0) recvmsg(r1, &(0x7f00002ac000)={&(0x7f00002faff8)=@un=@abs, 0x8, &(0x7f0000033000), 0x0, &(0x7f00002faf38)}, 0x0) [ 66.510614] group_sched_in+0x179/0xe20 [ 66.514578] ================================================================== [ 66.521928] Disabling lock debugging due to kernel taint [ 66.527372] Kernel panic - not syncing: panic_on_warn set ... [ 66.527372] [ 66.534743] CPU: 0 PID: 5705 Comm: syz-executor0 Tainted: G B 4.16.0+ #83 [ 66.542960] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 66.552314] Call Trace: [ 66.554904] dump_stack+0x185/0x1d0 [ 66.558533] panic+0x39d/0x940 [ 66.561744] ? update_stack_state+0x673/0xa40 [ 66.566235] kmsan_report+0x238/0x240 [ 66.570037] __msan_warning_32+0x6c/0xb0 [ 66.574103] update_stack_state+0x673/0xa40 [ 66.578456] unwind_next_frame+0x618/0xe50 [ 66.582703] __unwind_start+0x508/0x630 [ 66.586692] __save_stack_trace+0x3e1/0xa80 [ 66.591025] ? __save_stack_trace+0x3e1/0xa80 [ 66.595535] save_stack_trace+0xa5/0xf0 [ 66.599514] kmsan_internal_chain_origin+0x12b/0x210 [ 66.604631] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 66.610083] ? vsnprintf+0x32cf/0x33c0 [ 66.614240] ? scnprintf+0x222/0x2b0 [ 66.617960] kmsan_memcpy_origins+0x11d/0x170 [ 66.622460] kmsan_copy_to_user+0x132/0x160 [ 66.626787] simple_read_from_buffer+0x24d/0x3d0 [ 66.631580] proc_loginuid_read+0x34f/0x410 [ 66.635912] do_iter_read+0x880/0xd70 [ 66.639731] ? oom_score_adj_write+0x440/0x440 [ 66.644319] vfs_readv+0x1ec/0x260 [ 66.647881] default_file_splice_read+0xa9a/0x1120 [ 66.652832] ? security_file_permission+0x473/0x4b0 [ 66.657860] ? rw_verify_area+0x35e/0x580 [ 66.662014] ? SYSC_tee+0x13d0/0x13d0 [ 66.665811] splice_direct_to_actor+0x4c6/0x1040 [ 66.670559] ? do_splice_direct+0x540/0x540 [ 66.674861] ? security_file_permission+0x28f/0x4b0 [ 66.679860] ? rw_verify_area+0x35e/0x580 [ 66.683990] do_splice_direct+0x335/0x540 [ 66.688149] do_sendfile+0x1067/0x1e40 [ 66.692057] SYSC_sendfile64+0x1b3/0x300 [ 66.696111] SyS_sendfile64+0x64/0x90 [ 66.699892] do_syscall_64+0x309/0x430 [ 66.703769] ? SYSC_sendfile+0x320/0x320 [ 66.707821] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 66.712996] RIP: 0033:0x455319 [ 66.716172] RSP: 002b:00007fc97b3cac68 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 [ 66.723946] RAX: ffffffffffffffda RBX: 00007fc97b3cb6d4 RCX: 0000000000455319 [ 66.731195] RDX: 0000000020000000 RSI: 0000000000000016 RDI: 0000000000000016 [ 66.738448] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 66.745695] R10: 0000000000001004 R11: 0000000000000246 R12: 00000000ffffffff [ 66.752951] R13: 00000000000004c6 R14: 00000000006fa330 R15: 0000000000000000 [ 66.760773] Dumping ftrace buffer: [ 66.764294] (ftrace buffer empty) [ 66.767983] Kernel Offset: disabled [ 66.771580] Rebooting in 86400 seconds..