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 '10.128.10.0' (ECDSA) to the list of known hosts. 2018/04/06 23:50:17 fuzzer started 2018/04/06 23:50:17 dialing manager at 10.128.0.26:38639 2018/04/06 23:50:23 kcov=true, comps=false 2018/04/06 23:50:26 executing program 0: r0 = epoll_create1(0x0) ppoll(&(0x7f0000005640)=[{r0, 0x41}], 0x1, &(0x7f00000056c0)={0x77359400}, &(0x7f0000005700), 0x8) r1 = socket$inet_udp(0x2, 0x2, 0x0) epoll_ctl$EPOLL_CTL_ADD(r0, 0x1, r1, &(0x7f0000000080)) epoll_pwait(r0, &(0x7f0000643fb8)=[{}], 0x1, 0xfffffffffffffffb, &(0x7f000006bff8), 0x8) openat$rtc(0xffffffffffffff9c, &(0x7f0000000240)='/dev/rtc\x00', 0x0, 0x0) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000005a80), &(0x7f0000005ac0)=0x8) epoll_ctl$EPOLL_CTL_MOD(r0, 0x3, r1, &(0x7f0000e8c000)={0x7}) 2018/04/06 23:50:26 executing program 1: r0 = socket$inet6(0xa, 0x2, 0x0) sendto$inet6(r0, &(0x7f00008d1000), 0x254, 0x4c080, &(0x7f00005fa000)={0xa, 0x4e22}, 0x1c) 2018/04/06 23:50:26 executing program 7: openat$ptmx(0xffffffffffffff9c, &(0x7f0000000100)='/dev/ptmx\x00', 0x0, 0x0) perf_event_open(&(0x7f0000000f88)={0x2, 0x70, 0x80}, 0x0, 0x0, 0xffffffffffffffff, 0x0) pipe(&(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) write(r1, &(0x7f00000001c0), 0xfffffef3) read(r0, &(0x7f0000000200)=""/250, 0x50c7e3e3) ioctl$sock_bt(r1, 0x541b, &(0x7f0000000140)) 2018/04/06 23:50:26 executing program 2: perf_event_open(&(0x7f0000aaa000)={0x2, 0x70, 0x4a, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) setsockopt$sock_int(0xffffffffffffffff, 0x1, 0x0, &(0x7f0000f59ffc), 0x4) r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$sock_int(r0, 0x1, 0xf, &(0x7f0000d1c000)=0x2c, 0x4) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}}, 0x1c) 2018/04/06 23:50:26 executing program 3: r0 = bpf$MAP_CREATE(0x0, &(0x7f000039a000)={0x5, 0x100, 0x100, 0x2}, 0x2c) bpf$PROG_LOAD(0x5, &(0x7f0000269fb8)={0x1, 0x5, &(0x7f00000affc8)=@framed={{0x18}, [@map={0x18, 0x6, 0x1, 0x0, r0}], {0x95}}, &(0x7f000039cff6)="7379e66b616c6c657200", 0x8, 0x1000, &(0x7f000039c000)=""/4096}, 0x48) 2018/04/06 23:50:26 executing program 5: 2018/04/06 23:50:26 executing program 4: 2018/04/06 23:50:26 executing program 6: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r1 = epoll_create(0x1) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f0000000000)) epoll_ctl$EPOLL_CTL_MOD(r1, 0x3, r0, &(0x7f0000000040)) syzkaller login: [ 44.213397] ip (3748) used greatest stack depth: 54688 bytes left [ 44.946225] ip (3816) used greatest stack depth: 54408 bytes left [ 45.751160] ip (3897) used greatest stack depth: 53992 bytes left [ 47.871882] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 47.897766] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 47.916851] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 47.936935] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 48.001296] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 48.016173] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 48.141547] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 48.194158] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 56.343987] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 56.600751] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 56.622835] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 56.743459] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 56.813990] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 56.883244] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 56.994482] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 57.034118] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 57.115992] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 57.122272] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 57.129733] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 57.330934] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 57.337226] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 57.349818] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 57.393696] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 57.399984] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 57.417511] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 57.504574] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 57.510809] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 57.525809] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 57.629635] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 57.635878] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 57.647628] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 57.686278] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 57.703410] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 57.744359] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 57.788247] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 57.796169] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 57.807612] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 57.838371] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 57.864430] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 57.899879] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready 2018/04/06 23:50:42 executing program 4: r0 = socket(0x11, 0x800000003, 0x600081) bind(r0, &(0x7f0000000000)=@generic={0x11, "0000010000000000080044944eeba71a4976e252922cb18f6e2e2aba000000012e0b3836005404b0e0301a4ce875f2e3ff5f163ee340b7679500800000000000000101013c5811039e15775027ecce66fd792bbf0e5bf5ff1b0816f3f6db1c00010000000000000049740000000000000006ad8e5ecc326d3a09ffc2c654"}, 0x80) r1 = dup2(r0, r0) write$tun(r1, &(0x7f00000000c0)={@pi, @hdr, @ipv4={{0x5, 0x4, 0x0, 0x0, 0xfe2, 0x0, 0x0, 0x0, 0x0, 0x0, @loopback=0x7f000001, @local={0xac, 0x14, 0x14, 0xaa}}, @udp={0x0, 0x0, 0xfce, 0x0, [], "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"}}}, 0xff0) [ 58.539343] ================================================================== [ 58.546751] BUG: KMSAN: uninit-value in netif_skb_features+0xd1b/0xdc0 [ 58.553414] CPU: 1 PID: 5016 Comm: syz-executor4 Not tainted 4.16.0+ #81 [ 58.560241] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.569587] Call Trace: [ 58.572175] dump_stack+0x185/0x1d0 [ 58.575801] ? netif_skb_features+0xd1b/0xdc0 [ 58.580294] kmsan_report+0x142/0x240 [ 58.584100] __msan_warning_32+0x6c/0xb0 [ 58.588164] netif_skb_features+0xd1b/0xdc0 [ 58.592491] validate_xmit_skb+0x89/0x1320 [ 58.596728] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 58.602087] ? netdev_pick_tx+0x33b/0x500 [ 58.606238] __dev_queue_xmit+0x1cb2/0x2b60 [ 58.610573] dev_queue_xmit+0x4b/0x60 [ 58.614375] ? __netdev_pick_tx+0xb60/0xb60 [ 58.618700] packet_sendmsg+0x7c57/0x8a10 [ 58.622853] ? futex_wait_queue_me+0x4ee/0x710 [ 58.627438] ? __msan_metadata_ptr_for_store_8+0x13/0x20 [ 58.632887] ? futex_wait_queue_me+0x687/0x710 2018/04/06 23:50:42 executing program 6: bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x4, 0x48}, 0x2c) r0 = bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x0, 0x7, 0x0, 0x1}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0xffffffffffffff11, &(0x7f00001a7f05)=""/251}, 0x18) bpf$MAP_DELETE_ELEM(0x3, &(0x7f0000000040)={0xffffffffffffffff, &(0x7f00000000c0)="b82283392dc50ff1fb635a5849d2f5916ae2fdc24e95e12aa8daccf7393e72be9cc66f"}, 0x10) bpf$BPF_GET_PROG_INFO(0xf, &(0x7f0000000140)={r0, 0x50, &(0x7f00000000c0)}, 0x10) socketpair$inet_icmp_raw(0x2, 0x409, 0x1, &(0x7f0000000300)) [ 58.637475] ? futex_wait+0x937/0xc20 [ 58.641298] ? compat_packet_setsockopt+0x360/0x360 [ 58.646317] sock_write_iter+0x3b9/0x470 [ 58.650387] ? sock_read_iter+0x480/0x480 [ 58.654532] __vfs_write+0x719/0x910 [ 58.658255] vfs_write+0x463/0x8d0 [ 58.661799] SYSC_write+0x172/0x360 [ 58.665426] SyS_write+0x55/0x80 [ 58.668792] do_syscall_64+0x309/0x430 [ 58.672685] ? SYSC_read+0x360/0x360 [ 58.676402] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 58.681589] RIP: 0033:0x455259 [ 58.684772] RSP: 002b:00007f50d41cfc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 58.692480] RAX: ffffffffffffffda RBX: 00007f50d41d06d4 RCX: 0000000000455259 [ 58.699741] RDX: 0000000000000ff0 RSI: 00000000200000c0 RDI: 0000000000000013 [ 58.706995] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 58.714250] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 58.721503] R13: 00000000000006cb R14: 00000000006fd3a8 R15: 0000000000000000 [ 58.728752] [ 58.730354] Uninit was created at: [ 58.733885] kmsan_internal_poison_shadow+0xb8/0x1b0 [ 58.738968] kmsan_kmalloc+0x94/0x100 [ 58.742747] kmsan_slab_alloc+0x11/0x20 [ 58.746704] __kmalloc_node_track_caller+0xaed/0x11c0 [ 58.751872] __alloc_skb+0x2cf/0x9f0 [ 58.755564] alloc_skb_with_frags+0x1d4/0xb20 [ 58.760043] sock_alloc_send_pskb+0xb56/0x1190 [ 58.764608] packet_sendmsg+0x6444/0x8a10 [ 58.768739] sock_write_iter+0x3b9/0x470 [ 58.772781] __vfs_write+0x719/0x910 [ 58.776474] vfs_write+0x463/0x8d0 [ 58.779996] SYSC_write+0x172/0x360 [ 58.783603] SyS_write+0x55/0x80 [ 58.786950] do_syscall_64+0x309/0x430 [ 58.790819] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 58.795981] ================================================================== [ 58.803312] Disabling lock debugging due to kernel taint [ 58.808736] Kernel panic - not syncing: panic_on_warn set ... [ 58.808736] [ 58.816083] CPU: 1 PID: 5016 Comm: syz-executor4 Tainted: G B 4.16.0+ #81 [ 58.824200] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.833527] Call Trace: [ 58.836097] dump_stack+0x185/0x1d0 [ 58.839708] panic+0x39d/0x940 [ 58.842894] ? netif_skb_features+0xd1b/0xdc0 [ 58.847367] kmsan_report+0x238/0x240 [ 58.851151] __msan_warning_32+0x6c/0xb0 [ 58.855193] netif_skb_features+0xd1b/0xdc0 [ 58.859498] validate_xmit_skb+0x89/0x1320 [ 58.863717] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 58.869062] ? netdev_pick_tx+0x33b/0x500 [ 58.873194] __dev_queue_xmit+0x1cb2/0x2b60 [ 58.877502] dev_queue_xmit+0x4b/0x60 [ 58.881285] ? __netdev_pick_tx+0xb60/0xb60 [ 58.885585] packet_sendmsg+0x7c57/0x8a10 [ 58.889714] ? futex_wait_queue_me+0x4ee/0x710 [ 58.894278] ? __msan_metadata_ptr_for_store_8+0x13/0x20 [ 58.899707] ? futex_wait_queue_me+0x687/0x710 [ 58.904270] ? futex_wait+0x937/0xc20 [ 58.908072] ? compat_packet_setsockopt+0x360/0x360 [ 58.913069] sock_write_iter+0x3b9/0x470 [ 58.917114] ? sock_read_iter+0x480/0x480 [ 58.921242] __vfs_write+0x719/0x910 [ 58.924944] vfs_write+0x463/0x8d0 [ 58.928469] SYSC_write+0x172/0x360 [ 58.932078] SyS_write+0x55/0x80 [ 58.935423] do_syscall_64+0x309/0x430 [ 58.939295] ? SYSC_read+0x360/0x360 [ 58.942994] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 58.948162] RIP: 0033:0x455259 [ 58.951330] RSP: 002b:00007f50d41cfc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 58.959020] RAX: ffffffffffffffda RBX: 00007f50d41d06d4 RCX: 0000000000455259 [ 58.966272] RDX: 0000000000000ff0 RSI: 00000000200000c0 RDI: 0000000000000013 [ 58.973521] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 58.980769] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 58.988019] R13: 00000000000006cb R14: 00000000006fd3a8 R15: 0000000000000000 [ 58.995654] Dumping ftrace buffer: [ 58.999172] (ftrace buffer empty) [ 59.002853] Kernel Offset: disabled [ 59.006449] Rebooting in 86400 seconds..