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-next-kasan-gce-9,10.128.0.49' (ECDSA) to the list of known hosts. 2017/09/07 04:28:17 parsed 1 programs 2017/09/07 04:28:17 executed programs: 0 2017/09/07 04:28:22 executed programs: 724 2017/09/07 04:28:27 executed programs: 1304 syzkaller login: [ 42.111165] ------------[ cut here ]------------ [ 42.112047] kernel BUG at net/packet/af_packet.c:1521! [ 42.112842] invalid opcode: 0000 [#1] SMP KASAN [ 42.113518] Dumping ftrace buffer: [ 42.114001] (ftrace buffer empty) [ 42.114506] Modules linked in: [ 42.114989] CPU: 0 PID: 7482 Comm: syz-executor1 Not tainted 4.13.0-next-20170906+ #16 [ 42.116099] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.117512] task: ffff8801cafba280 task.stack: ffff8801cf500000 [ 42.118325] RIP: 0010:__unregister_prot_hook+0x139/0x280 [ 42.119075] RSP: 0018:ffff8801cf507700 EFLAGS: 00010297 [ 42.119849] RAX: ffff8801cafba280 RBX: 0000000000000005 RCX: 0000000000000000 [ 42.120832] RDX: 0000000000000000 RSI: ffffffff84d40e81 RDI: ffff8801d7882808 [ 42.121853] RBP: ffff8801cf507740 R08: ffff8801cf507050 R09: ffff8801cf507048 [ 42.122870] R10: ffff8801cf506fc0 R11: 1ffff100395f76e3 R12: ffff8801d78827c0 [ 42.123916] R13: ffff8801cb0ea540 R14: 0000000000000005 R15: dffffc0000000000 [ 42.125010] FS: 00007f417b901700(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000 [ 42.126105] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.126928] CR2: 00000000204fbfe4 CR3: 00000001bf826000 CR4: 00000000001406f0 [ 42.127991] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 42.128993] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 42.130146] Call Trace: [ 42.130538] packet_set_ring+0xe7c/0x1b70 [ 42.131130] ? packet_poll+0x5c0/0x5c0 [ 42.133963] ? retint_kernel+0x10/0x10 [ 42.137828] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 42.142821] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 42.147564] ? retint_kernel+0x10/0x10 [ 42.151434] ? copy_user_generic_unrolled+0x86/0xc0 [ 42.156424] ? _copy_from_user+0x99/0x110 [ 42.160550] packet_setsockopt+0x6cd/0x1e80 [ 42.164850] ? fanout_add+0x1190/0x1190 [ 42.168796] ? lock_downgrade+0x990/0x990 [ 42.172926] ? __fget+0xbb/0x580 [ 42.176268] ? selinux_inode_alloc_security+0x28d/0x390 [ 42.181618] ? lock_release+0xd70/0xd70 [ 42.185582] ? __lock_is_held+0xbc/0x140 [ 42.189624] ? __fget+0x362/0x580 [ 42.193088] ? iterate_fd+0x3f0/0x3f0 [ 42.196883] ? evict_inodes+0x590/0x590 [ 42.200836] ? __fdget+0x18/0x20 [ 42.204177] ? sockfd_lookup_light+0x104/0x150 [ 42.208743] ? sock_has_perm+0x29c/0x400 [ 42.212775] ? __fget_light+0x29d/0x390 [ 42.216733] ? selinux_tun_dev_create+0xc0/0xc0 [ 42.221380] ? selinux_netlbl_socket_setsockopt+0x10c/0x460 [ 42.227068] ? selinux_netlbl_sock_rcv_skb+0x730/0x730 [ 42.232327] ? __sock_create+0x106/0x850 [ 42.236367] ? selinux_socket_setsockopt+0x64/0x80 [ 42.241279] SyS_setsockopt+0x189/0x360 [ 42.245226] ? SyS_setsockopt+0x189/0x360 [ 42.249351] ? SyS_recv+0x40/0x40 [ 42.252806] ? entry_SYSCALL_64_fastpath+0x5/0xbe [ 42.257626] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 42.262619] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 42.267354] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 42.272086] RIP: 0033:0x451e59 [ 42.275247] RSP: 002b:00007f417b900c08 EFLAGS: 00000216 ORIG_RAX: 0000000000000036 [ 42.282942] RAX: ffffffffffffffda RBX: 0000000000718000 RCX: 0000000000451e59 [ 42.290185] RDX: 000000000000000d RSI: 0000000000000107 RDI: 0000000000000009 [ 42.297430] RBP: 0000000000000082 R08: 000000000000001c R09: 0000000000000000 [ 42.304673] R10: 00000000204fbfe4 R11: 0000000000000216 R12: 00000000004b7d9c [ 42.311914] R13: 00000000ffffffff R14: 0000000020ffb000 R15: 0000000000001000 [ 42.319170] 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 c1 10 2d fd 44 39 f3 75 cd e8 b7 10 2d fd <0f> 0b 31 c0 41 8d 5e ff 48 89 45 c0 e8 a6 10 2d fd 49 8d 7c dc [ 42.338336] RIP: __unregister_prot_hook+0x139/0x280 RSP: ffff8801cf507700 [ 42.345318] ---[ end trace faf77aa5cbc3609e ]--- [ 42.350067] Kernel panic - not syncing: Fatal exception [ 42.355743] Dumping ftrace buffer: [ 42.359251] (ftrace buffer empty) [ 42.362924] Kernel Offset: disabled [ 42.366515] Rebooting in 86400 seconds..