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 '10.128.0.29' (ECDSA) to the list of known hosts. 2018/04/16 06:50:30 fuzzer started 2018/04/16 06:50:30 dialing manager at 10.128.0.26:36243 2018/04/16 06:50:37 kcov=true, comps=false 2018/04/16 06:50:40 executing program 0: 2018/04/16 06:50:40 executing program 2: 2018/04/16 06:50:40 executing program 7: 2018/04/16 06:50:40 executing program 1: 2018/04/16 06:50:40 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) recvmsg(r0, &(0x7f0000000480)={&(0x7f0000000100)=@pppoe={0x0, 0x0, {0x0, @remote}}, 0x80, &(0x7f0000000400)=[{&(0x7f00000007c0)=""/223, 0xdf}], 0x1}, 0x0) bind$inet6(r0, &(0x7f000000d000)={0xa, 0x4e20}, 0x1c) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x4e20}, 0x1c) sendmsg(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000040)=[{&(0x7f0000001000)="8e86a4b9500a1139a0d93a78de7ed00ae239537b41a4eacfcfd438dfbe84ef20bd7e66cfb9bde86f5b1d1bae840e6c373fd2d58909d8ac8f1aca1b6e95b92948d4525d", 0x43}], 0x1, &(0x7f0000002000)}, 0x8000) sendmsg(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000002ff0)=[{&(0x7f0000000040)="bce5", 0x2}], 0x1, &(0x7f000000ae80)}, 0x0) 2018/04/16 06:50:40 executing program 4: r0 = socket$inet(0x2, 0x3, 0x84) sendto$inet(r0, &(0x7f0000000000), 0x1c, 0x0, &(0x7f00000000c0)={0x2}, 0x10) socketpair$inet6_tcp(0xa, 0x1, 0x0, &(0x7f0000000000)) 2018/04/16 06:50:40 executing program 5: futex(&(0x7f000000cffc)=0x4, 0x0, 0x4, &(0x7f0000000000)={0x77359400}, &(0x7f0000048000), 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f}, 0x0, 0x0, 0xffffffffffffffff, 0x0) futex(&(0x7f000000cffc), 0x1, 0x0, &(0x7f000000d000)={0x0, 0x989680}, &(0x7f0000000040), 0x0) 2018/04/16 06:50:40 executing program 6: r0 = socket$inet(0x2, 0x80002, 0x0) setsockopt$inet_opts(r0, 0x0, 0x4, &(0x7f0000000000)="4402", 0x2) syzkaller login: [ 45.409375] ip (3763) used greatest stack depth: 54816 bytes left [ 46.067301] ip (3821) used greatest stack depth: 54408 bytes left [ 46.828200] ip (3901) used greatest stack depth: 53656 bytes left [ 47.204312] ip (3930) used greatest stack depth: 53640 bytes left [ 47.258134] bridge0: port 1(bridge_slave_0) entered blocking state [ 47.264618] bridge0: port 1(bridge_slave_0) entered disabled state [ 47.287731] device bridge_slave_0 entered promiscuous mode [ 47.349204] bridge0: port 1(bridge_slave_0) entered blocking state [ 47.355691] bridge0: port 1(bridge_slave_0) entered disabled state [ 47.402937] device bridge_slave_0 entered promiscuous mode [ 47.429285] bridge0: port 1(bridge_slave_0) entered blocking state [ 47.435767] bridge0: port 1(bridge_slave_0) entered disabled state [ 47.449771] device bridge_slave_0 entered promiscuous mode [ 47.469528] bridge0: port 1(bridge_slave_0) entered blocking state [ 47.475990] bridge0: port 1(bridge_slave_0) entered disabled state [ 47.495634] device bridge_slave_0 entered promiscuous mode [ 47.514821] bridge0: port 1(bridge_slave_0) entered blocking state [ 47.521281] bridge0: port 1(bridge_slave_0) entered disabled state [ 47.535376] device bridge_slave_0 entered promiscuous mode [ 47.542646] bridge0: port 1(bridge_slave_0) entered blocking state [ 47.549135] bridge0: port 1(bridge_slave_0) entered disabled state [ 47.565948] device bridge_slave_0 entered promiscuous mode [ 47.583527] bridge0: port 1(bridge_slave_0) entered blocking state [ 47.589996] bridge0: port 1(bridge_slave_0) entered disabled state [ 47.607975] device bridge_slave_0 entered promiscuous mode [ 47.621554] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.628023] bridge0: port 2(bridge_slave_1) entered disabled state [ 47.645335] device bridge_slave_1 entered promiscuous mode [ 47.651878] bridge0: port 1(bridge_slave_0) entered blocking state [ 47.658362] bridge0: port 1(bridge_slave_0) entered disabled state [ 47.666193] device bridge_slave_0 entered promiscuous mode [ 47.677009] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.683498] bridge0: port 2(bridge_slave_1) entered disabled state [ 47.705713] device bridge_slave_1 entered promiscuous mode [ 47.728634] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.735142] bridge0: port 2(bridge_slave_1) entered disabled state [ 47.750815] device bridge_slave_1 entered promiscuous mode [ 47.759137] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.765621] bridge0: port 2(bridge_slave_1) entered disabled state [ 47.790354] device bridge_slave_1 entered promiscuous mode [ 47.800857] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.807306] bridge0: port 2(bridge_slave_1) entered disabled state [ 47.836124] device bridge_slave_1 entered promiscuous mode [ 47.846623] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 47.853738] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.860241] bridge0: port 2(bridge_slave_1) entered disabled state [ 47.889178] device bridge_slave_1 entered promiscuous mode [ 47.898686] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 47.906193] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.912658] bridge0: port 2(bridge_slave_1) entered disabled state [ 47.940181] device bridge_slave_1 entered promiscuous mode [ 47.947609] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.954147] bridge0: port 2(bridge_slave_1) entered disabled state [ 47.971209] device bridge_slave_1 entered promiscuous mode [ 47.980815] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 47.988803] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 48.014949] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 48.034530] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 48.073240] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 48.113949] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 48.165336] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 48.178373] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 48.204655] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 48.228364] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 48.242361] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 48.322222] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 48.379998] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 48.399631] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 49.034486] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 49.081707] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 49.211006] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 49.234996] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 49.249141] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 49.262882] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 49.310474] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 49.338326] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 49.357552] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 49.367342] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 49.457194] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 49.467694] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 49.480078] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 49.584445] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 49.591917] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 49.602353] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 50.200323] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 50.282433] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 50.396411] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 50.436419] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 50.498596] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 50.520425] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 50.533495] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 50.546099] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 50.597982] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 50.606393] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 50.623499] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 50.667637] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 50.677671] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 50.685460] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 50.698840] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 50.739622] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 50.756638] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 50.768084] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 50.782732] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 50.816015] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 50.826511] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 50.833712] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 50.847801] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 50.890176] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 50.897730] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 50.910238] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 50.917224] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 50.954760] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 50.987236] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 50.994434] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 51.008474] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 51.043933] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 51.055381] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 51.062552] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 51.071313] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 51.117357] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 51.132160] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 51.150781] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 51.157940] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 51.166675] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 51.187753] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 51.196231] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 51.205348] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 51.217503] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 51.225219] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 51.233246] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 51.245390] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 51.252488] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 51.280916] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 51.315253] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 51.344822] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 51.362925] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 51.378795] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 51.386917] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 51.395531] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 51.413687] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 51.420817] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 51.435285] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 51.463857] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 51.475159] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 51.495419] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 51.538906] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 51.562800] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 51.599746] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 53.532692] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.539187] bridge0: port 2(bridge_slave_1) entered forwarding state [ 53.546086] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.553410] bridge0: port 1(bridge_slave_0) entered forwarding state [ 53.575020] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 53.584528] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.591085] bridge0: port 2(bridge_slave_1) entered forwarding state [ 53.597981] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.604469] bridge0: port 1(bridge_slave_0) entered forwarding state [ 53.616562] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 53.623978] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 53.634995] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 53.665657] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.672137] bridge0: port 2(bridge_slave_1) entered forwarding state [ 53.678975] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.685432] bridge0: port 1(bridge_slave_0) entered forwarding state [ 53.693797] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 53.711324] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.717874] bridge0: port 2(bridge_slave_1) entered forwarding state [ 53.724774] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.731255] bridge0: port 1(bridge_slave_0) entered forwarding state [ 53.788550] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 53.798526] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.805005] bridge0: port 2(bridge_slave_1) entered forwarding state [ 53.811830] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.818270] bridge0: port 1(bridge_slave_0) entered forwarding state [ 53.841558] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 53.858330] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.864790] bridge0: port 2(bridge_slave_1) entered forwarding state [ 53.871597] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.878066] bridge0: port 1(bridge_slave_0) entered forwarding state [ 53.941980] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 53.950505] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.956966] bridge0: port 2(bridge_slave_1) entered forwarding state [ 53.963771] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.970203] bridge0: port 1(bridge_slave_0) entered forwarding state [ 53.984827] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 53.997127] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.003601] bridge0: port 2(bridge_slave_1) entered forwarding state [ 54.010478] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.016935] bridge0: port 1(bridge_slave_0) entered forwarding state [ 54.028417] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 54.687146] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 54.703810] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 54.740735] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 54.767730] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 54.793480] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 54.803823] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 62.665758] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 62.759896] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 62.948446] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 63.018360] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 63.055121] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 63.301685] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 63.374859] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 63.443932] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 63.450193] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 63.462175] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 63.552455] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 63.558714] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 63.568870] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 63.599188] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 63.815951] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 63.822331] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 63.831989] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 63.862434] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 63.870869] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 63.888274] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 63.935289] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 63.965675] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 63.996455] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 64.035231] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 64.052606] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 64.087660] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 64.265077] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 64.271540] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 64.286652] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 64.409169] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 64.422146] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 64.452932] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 70.398784] ================================================================== [ 70.406191] BUG: KMSAN: uninit-value in csum_partial_copy_to_user+0x450/0x500 [ 70.413457] CPU: 1 PID: 5734 Comm: syz-executor3 Not tainted 4.16.0+ #83 [ 70.420269] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 70.429601] Call Trace: [ 70.432186] dump_stack+0x185/0x1d0 [ 70.435797] ? csum_partial_copy_to_user+0x450/0x500 [ 70.440883] kmsan_report+0x142/0x240 [ 70.444674] __msan_warning_32+0x6c/0xb0 [ 70.448721] csum_partial_copy_to_user+0x450/0x500 [ 70.453640] csum_and_copy_to_iter+0x3dc/0x2140 [ 70.458288] ? kmsan_set_origin_inline+0x6b/0x120 [ 70.463129] ? __msan_poison_alloca+0x15c/0x1d0 [ 70.467815] skb_copy_and_csum_datagram+0x6d2/0x1080 [ 70.472921] skb_copy_and_csum_datagram_msg+0x557/0x960 [ 70.478280] udpv6_recvmsg+0xc65/0x29e0 [ 70.482250] ? udp6_lib_lookup_skb+0x240/0x240 [ 70.486811] inet_recvmsg+0x4c2/0x5f0 [ 70.490591] sock_recvmsg+0x1d0/0x230 [ 70.494373] ? inet_sendpage+0x8c0/0x8c0 [ 70.498421] ___sys_recvmsg+0x3fb/0x810 [ 70.502381] ? __fget_light+0x56/0x710 [ 70.506250] ? __fdget+0x4e/0x60 [ 70.509601] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 70.514945] ? __fget_light+0x6b9/0x710 [ 70.518902] SYSC_recvmsg+0x298/0x3c0 [ 70.522689] SyS_recvmsg+0x54/0x80 [ 70.526214] do_syscall_64+0x309/0x430 [ 70.530098] ? ___sys_recvmsg+0x810/0x810 [ 70.534230] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 70.539395] RIP: 0033:0x455319 [ 70.542647] RSP: 002b:00007f0e2c732c68 EFLAGS: 00000246 ORIG_RAX: 000000000000002f [ 70.550331] RAX: ffffffffffffffda RBX: 00007f0e2c7336d4 RCX: 0000000000455319 [ 70.557583] RDX: 0000000000000000 RSI: 0000000020000480 RDI: 0000000000000013 [ 70.564830] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 70.572079] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 70.579327] R13: 0000000000000496 R14: 00000000006f9eb0 R15: 0000000000000000 [ 70.586580] [ 70.588190] Uninit was created at: [ 70.591717] kmsan_alloc_meta_for_pages+0x161/0x3a0 [ 70.596713] kmsan_alloc_page+0x82/0xe0 [ 70.600665] __alloc_pages_nodemask+0xf5b/0x5dc0 [ 70.605402] alloc_pages_current+0x6b5/0x970 [ 70.609790] skb_page_frag_refill+0x3ba/0x5e0 [ 70.614260] sk_page_frag_refill+0xa4/0x340 [ 70.618561] __ip6_append_data+0x1a20/0x4bb0 [ 70.622946] ip6_append_data+0x40e/0x6b0 [ 70.626983] udpv6_sendmsg+0xfd5/0x45b0 [ 70.630934] inet_sendmsg+0x48d/0x740 [ 70.634710] ___sys_sendmsg+0xec0/0x1310 [ 70.638744] SYSC_sendmsg+0x2a3/0x3d0 [ 70.642521] SyS_sendmsg+0x54/0x80 [ 70.646045] do_syscall_64+0x309/0x430 [ 70.649926] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 70.655092] ================================================================== [ 70.662423] Disabling lock debugging due to kernel taint [ 70.667845] Kernel panic - not syncing: panic_on_warn set ... [ 70.667845] [ 70.675184] CPU: 1 PID: 5734 Comm: syz-executor3 Tainted: G B 4.16.0+ #83 [ 70.683296] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 70.692631] Call Trace: [ 70.695200] dump_stack+0x185/0x1d0 [ 70.698806] panic+0x39d/0x940 [ 70.701992] ? csum_partial_copy_to_user+0x450/0x500 [ 70.707085] kmsan_report+0x238/0x240 [ 70.710876] __msan_warning_32+0x6c/0xb0 [ 70.714917] csum_partial_copy_to_user+0x450/0x500 [ 70.719832] csum_and_copy_to_iter+0x3dc/0x2140 [ 70.724498] ? kmsan_set_origin_inline+0x6b/0x120 [ 70.729331] ? __msan_poison_alloca+0x15c/0x1d0 [ 70.733990] skb_copy_and_csum_datagram+0x6d2/0x1080 [ 70.739087] skb_copy_and_csum_datagram_msg+0x557/0x960 [ 70.744438] udpv6_recvmsg+0xc65/0x29e0 [ 70.748403] ? udp6_lib_lookup_skb+0x240/0x240 [ 70.752964] inet_recvmsg+0x4c2/0x5f0 [ 70.756746] sock_recvmsg+0x1d0/0x230 [ 70.760524] ? inet_sendpage+0x8c0/0x8c0 [ 70.764565] ___sys_recvmsg+0x3fb/0x810 [ 70.768520] ? __fget_light+0x56/0x710 [ 70.772385] ? __fdget+0x4e/0x60 [ 70.775729] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 70.781083] ? __fget_light+0x6b9/0x710 [ 70.785061] SYSC_recvmsg+0x298/0x3c0 [ 70.788845] SyS_recvmsg+0x54/0x80 [ 70.792362] do_syscall_64+0x309/0x430 [ 70.796232] ? ___sys_recvmsg+0x810/0x810 [ 70.800363] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 70.805527] RIP: 0033:0x455319 [ 70.808691] RSP: 002b:00007f0e2c732c68 EFLAGS: 00000246 ORIG_RAX: 000000000000002f [ 70.816377] RAX: ffffffffffffffda RBX: 00007f0e2c7336d4 RCX: 0000000000455319 [ 70.823629] RDX: 0000000000000000 RSI: 0000000020000480 RDI: 0000000000000013 [ 70.830875] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 70.838124] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 70.845372] R13: 0000000000000496 R14: 00000000006f9eb0 R15: 0000000000000000 [ 70.853098] Dumping ftrace buffer: [ 70.856613] (ftrace buffer empty) [ 70.860299] Kernel Offset: disabled [ 70.863901] Rebooting in 86400 seconds..