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 'ci-upstream-mmots-kasan-gce-5,10.128.0.40' (ECDSA) to the list of known hosts. 2017/09/21 12:51:28 parsed 1 programs 2017/09/21 12:51:28 executed programs: 0 2017/09/21 12:51:33 executed programs: 807 2017/09/21 12:51:38 executed programs: 1517 syzkaller login: [ 34.346501] ------------[ cut here ]------------ [ 34.351349] kernel BUG at net/packet/af_packet.c:1521! [ 34.356835] invalid opcode: 0000 [#1] SMP KASAN [ 34.361474] Dumping ftrace buffer: [ 34.364979] (ftrace buffer empty) [ 34.368654] Modules linked in: [ 34.371815] CPU: 1 PID: 7961 Comm: syz-executor5 Not tainted 4.13.0-mm1+ #7 [ 34.378878] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 34.388199] task: ffff8801cb1ae200 task.stack: ffff8801ce970000 [ 34.394226] RIP: 0010:__unregister_prot_hook+0x139/0x280 [ 34.399639] RSP: 0018:ffff8801ce977700 EFLAGS: 00010297 [ 34.404970] RAX: ffff8801cb1ae200 RBX: 0000000000000005 RCX: 0000000000000000 [ 34.412207] RDX: 0000000000000000 RSI: ffffffff84d438c1 RDI: ffff8801c4c563c8 [ 34.419443] RBP: ffff8801ce977740 R08: ffff8801ce977050 R09: ffff8801ce977048 [ 34.426678] R10: ffff8801ce976fc0 R11: 1ffff10039635ed3 R12: ffff8801c4c56380 [ 34.433913] R13: ffff8801cb784ac0 R14: 0000000000000005 R15: dffffc0000000000 [ 34.441153] FS: 00007f95267ad700(0000) GS:ffff8801db300000(0000) knlGS:0000000000000000 [ 34.449345] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 34.455192] CR2: 00000000204fbfe4 CR3: 00000001cf1d1000 CR4: 00000000001406e0 [ 34.462432] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 34.469670] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 34.476903] Call Trace: [ 34.479461] packet_set_ring+0xe7c/0x1b70 [ 34.483584] ? packet_poll+0x5c0/0x5c0 [ 34.487439] ? retint_kernel+0x10/0x10 [ 34.491296] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 34.496282] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 34.501009] ? retint_kernel+0x10/0x10 [ 34.504873] ? copy_user_generic_unrolled+0x86/0xc0 [ 34.509856] ? _copy_from_user+0x99/0x110 [ 34.513973] packet_setsockopt+0x6cd/0x1e80 [ 34.518264] ? fanout_add+0x1190/0x1190 [ 34.522206] ? lock_downgrade+0x990/0x990 [ 34.526326] ? __fget+0xbb/0x580 [ 34.529659] ? __lockdep_init_map+0xe4/0x650 [ 34.534037] ? lock_release+0xd70/0xd70 [ 34.537981] ? __lock_is_held+0xbc/0x140 [ 34.542019] ? __fget+0x362/0x580 [ 34.545444] ? iterate_fd+0x3f0/0x3f0 [ 34.549216] ? __fdget+0x18/0x20 [ 34.552551] ? sockfd_lookup_light+0x104/0x150 [ 34.557105] ? sock_has_perm+0x29c/0x400 [ 34.561132] ? __fget_light+0x29d/0x390 [ 34.565073] ? selinux_tun_dev_create+0xc0/0xc0 [ 34.569708] ? selinux_netlbl_socket_setsockopt+0x10c/0x460 [ 34.575382] ? selinux_netlbl_sock_rcv_skb+0x730/0x730 [ 34.580621] ? alloc_file+0x284/0x3a0 [ 34.584389] ? sock_alloc_file+0x2b6/0x550 [ 34.588594] ? selinux_socket_setsockopt+0x64/0x80 [ 34.593493] SyS_setsockopt+0x189/0x360 [ 34.597433] ? SyS_setsockopt+0x189/0x360 [ 34.601565] ? SyS_recv+0x40/0x40 [ 34.604986] ? entry_SYSCALL_64_fastpath+0x5/0xbe [ 34.609798] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 34.614783] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 34.619511] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 34.624230] RIP: 0033:0x4520a9 [ 34.627389] RSP: 002b:00007f95267acc08 EFLAGS: 00000216 ORIG_RAX: 0000000000000036 [ 34.635064] RAX: ffffffffffffffda RBX: 0000000000718000 RCX: 00000000004520a9 [ 34.642300] RDX: 000000000000000d RSI: 0000000000000107 RDI: 0000000000000007 [ 34.649534] RBP: 0000000000000082 R08: 000000000000001c R09: 0000000000000000 [ 34.656769] R10: 00000000204fbfe4 R11: 0000000000000216 R12: 00000000004bc30d [ 34.664004] R13: 00000000ffffffff R14: ffffffffffffffff R15: 0000000000000000 [ 34.671254] Code: 48 89 fa 48 c1 ea 03 42 80 3c 3a 00 0f 85 4e 01 00 00 4d 3b 6c c4 28 74 16 83 c3 01 e8 71 d8 2c fd 44 39 f3 75 cd e8 67 d8 2c fd <0f> 0b 31 c0 41 8d 5e ff 48 89 45 c0 e8 56 d8 2c fd 49 8d 7c dc [ 34.690346] RIP: __unregister_prot_hook+0x139/0x280 RSP: ffff8801ce977700 [ 34.697288] ---[ end trace c5104f1b70a7df95 ]--- [ 34.702018] Kernel panic - not syncing: Fatal exception [ 34.707755] Dumping ftrace buffer: [ 34.711270] (ftrace buffer empty) [ 34.714943] Kernel Offset: disabled [ 34.718538] Rebooting in 86400 seconds..