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 '10.128.0.28' (ECDSA) to the list of known hosts. 2018/04/10 13:49:17 fuzzer started 2018/04/10 13:49:18 dialing manager at 10.128.0.26:40577 2018/04/10 13:49:25 kcov=true, comps=false 2018/04/10 13:49:27 executing program 0: r0 = socket$inet6(0xa, 0x1, 0x8010000400000084) bind$inet6(r0, &(0x7f00001c1000)={0xa, 0x4e20}, 0x1c) sendto$inet6(r0, &(0x7f00009f1000)='G', 0x1, 0x0, &(0x7f0000108fe4)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) setsockopt$sock_int(r0, 0x1, 0x1d, &(0x7f0000000040)=0xfffffffffffffffd, 0x4) recvmsg(r0, &(0x7f0000000240)={&(0x7f00000000c0)=@ethernet={0x0, @dev}, 0x80, &(0x7f00000012c0)}, 0x0) 2018/04/10 13:49:27 executing program 1: r0 = memfd_create(&(0x7f00004c1000)='/dev/autofs\x00', 0x0) syz_open_dev$tun(&(0x7f0000000000)='/dev/net/tun\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0xaa2000)=nil, 0xaa2000, 0x9, 0x11, r0, 0x0) rt_sigaction(0x7, &(0x7f0000b4a000)={0x41a0a0, {0x400003ffffdfc}}, &(0x7f0000000040), 0x8, &(0x7f00005eaff8)) syz_open_dev$evdev(&(0x7f0000001fee)='/dev/input/event#\x00', 0x0, 0x0) 2018/04/10 13:49:27 executing program 7: r0 = socket$inet_tcp(0x2, 0x1, 0x0) r1 = socket$inet(0x2, 0x2, 0x0) r2 = dup2(r1, r0) bind$inet(r2, &(0x7f0000000040)={0x2, 0x0, @remote={0xac, 0x14, 0x14, 0xbb}}, 0x10) connect$inet(r2, &(0x7f0000000140)={0x2, 0x0, @multicast2=0xe0000002}, 0x10) 2018/04/10 13:49:27 executing program 4: r0 = socket$inet6(0xa, 0x1, 0x8010000400000084) bind$inet6(r0, &(0x7f00001c1000)={0xa, 0x4e20}, 0x1c) sendto$inet6(r0, &(0x7f00009f1000)='G', 0x1, 0x0, &(0x7f0000108fe4)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl$sock_SIOCINQ(r0, 0x541b, &(0x7f0000000000)) 2018/04/10 13:49:27 executing program 5: mount(&(0x7f0000000080)='./file0\x00', &(0x7f0000903000)='./file0\x00', &(0x7f0000811ffa)='bdev\x00', 0x0, &(0x7f0000444000)) bpf$MAP_DELETE_ELEM(0x3, &(0x7f0000000040)={0xffffffffffffffff, &(0x7f00000000c0)="b82283392dc50ff1fb635a5849d2f5916ae2fdc24e95e12aa8daccf7393e72be9cc66f"}, 0x10) perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7, 0xb}, 0x2c) r0 = bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x0, 0x7, 0x0, 0x1}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251}, 0x18) bpf$BPF_GET_PROG_INFO(0xf, &(0x7f0000000140)={r0, 0x50, &(0x7f00000000c0)}, 0x10) socketpair$inet_icmp(0x1f000000, 0x20000002, 0x1, &(0x7f0000000000)) 2018/04/10 13:49:27 executing program 6: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_tcp(0x2, 0x1, 0x0) r1 = getpgrp(0x0) creat(&(0x7f0000000200)='./file0\x00', 0x0) fcntl$setownex(r0, 0xf, &(0x7f0000000040)={0x0, r1}) bind$inet(r0, &(0x7f0000000080)={0x2, 0x4e20, @loopback=0x7f000001}, 0x10) sendto$inet(r0, &(0x7f0000000280), 0xfffffffffffffe74, 0x20008045, &(0x7f0000000240)={0x2, 0x4e20, @loopback=0x7f000001}, 0x10) fcntl$setsig(r0, 0xa, 0x11) ioctl$int_in(r0, 0x5452, &(0x7f0000000000)=0xfffffffffffffffc) sendto$inet(r0, &(0x7f0000260000)="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", 0xff7, 0x3fff, 0x0, 0x0) 2018/04/10 13:49:27 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000000)={'sit0\x00', 0x0}) sendmsg$nl_route(r0, &(0x7f0000000200)={&(0x7f0000000240)={0x10, 0xfffffff0}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)=@setlink={0x28, 0x13, 0x1, 0x0, 0x0, {0x0, 0x0, 0x0, r1}, [@IFLA_MASTER={0x8, 0xa, 0xf}]}, 0x28}, 0x1}, 0x0) 2018/04/10 13:49:27 executing program 3: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$netlink(0x10, 0x3, 0xc) writev(r0, &(0x7f0000000040)=[{&(0x7f0000000080)="1f00000002031900000007000000068100023b0509000100010100ff3ffe58", 0x1f}], 0x1) writev(r0, &(0x7f0000000000)=[{&(0x7f0000fb4000)="1f00000002031900000007000000068100023b050900030000000000000058", 0x1f}], 0x1) syzkaller login: [ 44.091281] ip (3764) used greatest stack depth: 54672 bytes left [ 44.305632] ip (3780) used greatest stack depth: 54312 bytes left [ 45.285963] ip (3872) used greatest stack depth: 54200 bytes left [ 45.334934] ip (3880) used greatest stack depth: 53976 bytes left [ 47.517981] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 47.773245] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 47.785805] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 47.857730] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 47.886262] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 47.969265] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 48.056974] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 48.107844] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 56.484766] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 56.536723] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 56.760881] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 56.788103] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 56.811591] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 56.865188] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 56.968536] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 56.984021] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 57.256996] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 57.263328] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 57.279432] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 57.316137] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 57.322759] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 57.358580] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 57.598126] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 57.604411] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 57.615312] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 57.643909] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 57.653280] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 57.661537] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 57.693196] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 57.701174] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 57.721343] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 57.751397] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 57.785689] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 57.807698] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 57.844667] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 57.859626] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 57.867946] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 57.884365] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 57.907515] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 57.962829] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready 2018/04/10 13:49:44 executing program 4: r0 = socket$inet6(0xa, 0x1, 0x8010000400000084) bind$inet6(r0, &(0x7f00001c1000)={0xa, 0x4e20}, 0x1c) sendto$inet6(r0, &(0x7f00009f1000)='G', 0x1, 0x0, &(0x7f0000108fe4)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl$sock_SIOCINQ(r0, 0x541b, &(0x7f0000000000)) 2018/04/10 13:49:44 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x8010000400000084) bind$inet6(r0, &(0x7f00001c1000)={0xa, 0x4e20}, 0x1c) setsockopt$inet_sctp6_SCTP_MAXSEG(r0, 0x84, 0xd, &(0x7f0000dacff8)=@assoc_value={0x0, 0x200}, 0x8) sendto$inet6(r0, &(0x7f00009f1000)='G', 0x1, 0x0, &(0x7f0000108fe4)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) setsockopt$sock_int(r0, 0x1, 0x8, &(0x7f000098effc), 0x4) writev(r0, &(0x7f00007f2000)=[{&(0x7f0000001f40)="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", 0x55f}], 0x1) writev(r0, &(0x7f0000000140)=[{&(0x7f0000000b40)="23884051f454d47608e4b1090f80d95221b6e30fcf1d452c9b7e024e9d7fde15423fb3af6700990fc5a9fed35ec9f0e60001000020298b435477abc3051d2a0cf1635a19e6333dddbf0ab7c74c430052eb5d6462237cb7f46bef2de05d50ce84e3db9633fdcba5790fa2f6cac36aa0d4193cd4378d53f0a4b0cbb4d69bc09739549630f8824d66cd5a9188ae787bae990eb1dd9a4f28a6a76b08de68af3568e1e617a9c00c95b77724c9c4ff2d6e0b7adeed4707c6207f5294f1f2f6dfa79d3f76085850ac27eb5c746393f08e39c3e45b83a58355250d16b2568fc7ae93d93a5b0a3a829897d5bd21092bde88e239316216523c38ae6d2c480a57657d03d0ad5817cc03335c1ba5fcdc0526b654db60fd50b16354926904b552a00e6ea5aafc4f5fbeebb920e130ed470990bdbfb6b765f6c80bcf1ebbd32f4dea95de8877b96e08f5ad2f977956f3b8c5a03fbd96df247f068b05d55905774f98b860c9d2b25872ad2af0f5425849ce2cd4a95a048c578048066862676b1159e5ed30acab882e5a3ffc848dcb359935fac9ae756bd9f79f2981063ce72a0419912acf3c79421a0b900b053404b22347eeeeb57b48d32f05eedbe38546cfb8600eac7e472db3610925310f7dab706a61fef9412f111c904e8bb18366bee4a6e91d7a60260ee02a961d4b40e57175bbc6b64fd682a88916bfb3930d88debc5a2c713781b678a1", 0x200}], 0x1) writev(r0, &(0x7f0000000180)=[{&(0x7f00000001c0)='#', 0x1}], 0x1) 2018/04/10 13:49:44 executing program 4: 2018/04/10 13:49:45 executing program 2: 2018/04/10 13:49:45 executing program 4: r0 = memfd_create(&(0x7f0000000100)="74086e750000000000000000008c00", 0x0) r1 = socket$alg(0x26, 0x5, 0x0) bind$alg(r1, &(0x7f0000000080)={0x26, 'hash\x00', 0x0, 0x0, 'vmac(aes)\x00'}, 0x58) pwritev(r0, &(0x7f0000000300)=[{&(0x7f0000000000)="4d55a4", 0x3}], 0x1, 0x0) setsockopt$ALG_SET_KEY(r1, 0x117, 0x1, &(0x7f0000f3eff0)="01010000000ef40000000300409d9254", 0x10) r2 = accept4(r1, 0x0, &(0x7f0000000140), 0x0) sendfile(r2, r0, &(0x7f00000ddff8), 0x3) 2018/04/10 13:49:45 executing program 1: r0 = memfd_create(&(0x7f00004c1000)='/dev/autofs\x00', 0x0) syz_open_dev$tun(&(0x7f0000000000)='/dev/net/tun\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0xaa2000)=nil, 0xaa2000, 0x9, 0x11, r0, 0x0) rt_sigaction(0x7, &(0x7f0000b4a000)={0x41a0a0, {0x400003ffffdfc}}, &(0x7f0000000040), 0x8, &(0x7f00005eaff8)) syz_open_dev$evdev(&(0x7f0000001fee)='/dev/input/event#\x00', 0x0, 0x0) [ 59.385674] ================================================================== [ 59.393100] BUG: KMSAN: uninit-value in vmac_setkey+0x337/0x940 [ 59.399172] CPU: 0 PID: 5089 Comm: syz-executor4 Not tainted 4.16.0+ #83 [ 59.406012] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.415372] Call Trace: [ 59.417976] dump_stack+0x185/0x1d0 [ 59.421616] ? vmac_setkey+0x337/0x940 [ 59.425513] kmsan_report+0x142/0x240 [ 59.429328] ? aes_set_key+0x260/0x260 [ 59.433227] __msan_warning_32+0x6c/0xb0 [ 59.437297] ? aes_set_key+0x260/0x260 [ 59.441205] vmac_setkey+0x337/0x940 [ 59.444937] ? vmac_final+0x3f80/0x3f80 [ 59.448929] shash_async_setkey+0x337/0x4c0 [ 59.453263] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 59.458634] ? trace_kmalloc+0xb6/0x2b0 [ 59.462620] ? shash_async_digest+0x1b0/0x1b0 [ 59.467126] crypto_ahash_setkey+0x31a/0x470 [ 59.471548] hash_setkey+0x8b/0xa0 [ 59.475099] alg_setsockopt+0x6c5/0x740 [ 59.479082] ? hash_release+0x50/0x50 [ 59.482896] ? alg_accept+0xd0/0xd0 [ 59.486542] SYSC_setsockopt+0x4b8/0x570 [ 59.490618] SyS_setsockopt+0x76/0xa0 [ 59.494432] do_syscall_64+0x309/0x430 [ 59.498336] ? SYSC_recv+0xe0/0xe0 [ 59.502073] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 59.507268] RIP: 0033:0x455259 [ 59.510462] RSP: 002b:00007f746e1dec68 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 59.518182] RAX: ffffffffffffffda RBX: 00007f746e1df6d4 RCX: 0000000000455259 [ 59.525457] RDX: 0000000000000001 RSI: 0000000000000117 RDI: 0000000000000014 [ 59.532733] RBP: 000000000072bea0 R08: 0000000000000010 R09: 0000000000000000 [ 59.540006] R10: 0000000020f3eff0 R11: 0000000000000246 R12: 00000000ffffffff [ 59.547281] R13: 0000000000000510 R14: 00000000006faa20 R15: 0000000000000000 [ 59.554554] [ 59.556181] Local variable description: ----out.i@vmac_setkey [ 59.562054] Variable was created at: [ 59.565773] vmac_setkey+0x93/0x940 [ 59.569399] shash_async_setkey+0x337/0x4c0 [ 59.573711] ================================================================== [ 59.581067] Disabling lock debugging due to kernel taint [ 59.586515] Kernel panic - not syncing: panic_on_warn set ... [ 59.586515] [ 59.593890] CPU: 0 PID: 5089 Comm: syz-executor4 Tainted: G B 4.16.0+ #83 [ 59.602037] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.611408] Call Trace: [ 59.613984] dump_stack+0x185/0x1d0 [ 59.617597] panic+0x39d/0x940 [ 59.620794] ? vmac_setkey+0x337/0x940 [ 59.624663] kmsan_report+0x238/0x240 [ 59.628453] ? aes_set_key+0x260/0x260 [ 59.632318] __msan_warning_32+0x6c/0xb0 [ 59.636359] ? aes_set_key+0x260/0x260 [ 59.640232] vmac_setkey+0x337/0x940 [ 59.643940] ? vmac_final+0x3f80/0x3f80 [ 59.647900] shash_async_setkey+0x337/0x4c0 [ 59.652207] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 59.657561] ? trace_kmalloc+0xb6/0x2b0 [ 59.661522] ? shash_async_digest+0x1b0/0x1b0 [ 59.665996] crypto_ahash_setkey+0x31a/0x470 [ 59.670400] hash_setkey+0x8b/0xa0 [ 59.673921] alg_setsockopt+0x6c5/0x740 [ 59.677875] ? hash_release+0x50/0x50 [ 59.681653] ? alg_accept+0xd0/0xd0 [ 59.685262] SYSC_setsockopt+0x4b8/0x570 [ 59.689306] SyS_setsockopt+0x76/0xa0 [ 59.693097] do_syscall_64+0x309/0x430 [ 59.696975] ? SYSC_recv+0xe0/0xe0 [ 59.700496] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 59.705661] RIP: 0033:0x455259 [ 59.708826] RSP: 002b:00007f746e1dec68 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 59.716511] RAX: ffffffffffffffda RBX: 00007f746e1df6d4 RCX: 0000000000455259 [ 59.723761] RDX: 0000000000000001 RSI: 0000000000000117 RDI: 0000000000000014 [ 59.731013] RBP: 000000000072bea0 R08: 0000000000000010 R09: 0000000000000000 [ 59.738283] R10: 0000000020f3eff0 R11: 0000000000000246 R12: 00000000ffffffff [ 59.745552] R13: 0000000000000510 R14: 00000000006faa20 R15: 0000000000000000 [ 59.753271] Dumping ftrace buffer: [ 59.756792] (ftrace buffer empty) [ 59.760473] Kernel Offset: disabled [ 59.764072] Rebooting in 86400 seconds..