INIT: Entering runlevel: 2 [[36minfo[39;49m] Using makefile-style concurrent boot in runlevel 2. [....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added 'ci-android-49-kasan-gce-6,10.128.0.12' (ECDSA) to the list of known hosts. 2017/09/05 06:09:25 parsed 1 programs 2017/09/05 06:09:25 executed programs: 0 syzkaller login: [ 23.429614] ------------[ cut here ]------------ [ 23.430370] kernel BUG at net/packet/af_packet.c:1515! [ 23.431069] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 23.431788] Dumping ftrace buffer: [ 23.432297] (ftrace buffer empty) [ 23.432802] Modules linked in: [ 23.433278] CPU: 0 PID: 3250 Comm: syz-executor0 Not tainted 4.9.47-g6cd2127 #39 [ 23.434262] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 23.435490] task: ffff8801cc200000 task.stack: ffff8801cc208000 [ 23.436285] RIP: 0010:[<ffffffff83544d69>] [<ffffffff83544d69>] __unregister_prot_hook+0x139/0x280 [ 23.437571] RSP: 0018:ffff8801cc20fac8 EFLAGS: 00010297 [ 23.438286] RAX: ffff8801cc200000 RBX: ffff8801ca1ccc80 RCX: 0000000000000000 [ 23.439255] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801d0d83308 [ 23.440235] RBP: ffff8801cc20fb08 R08: 0000000000000001 R09: 0000000000000000 [ 23.441199] R10: 0000000000000000 R11: 1ffff10039841f22 R12: ffff8801d0d83300 [ 23.442165] R13: ffff8801ca1ccc80 R14: 0000000000000000 R15: ffff8801cc20fd80 [ 23.443115] FS: 00007f92f92ea700(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000 [ 23.444186] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 23.444970] CR2: 0000000020001000 CR3: 00000001cedc1000 CR4: 00000000001406f0 [ 23.445943] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 23.446892] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 23.447843] Stack: [ 23.448138] ffff8801ca1cd2f0 ffff8801d0d83b28 0000000000000000 ffff8801ca1ccc80 [ 23.449271] ffff8801ca1cd110 0000000000000000 ffff8801ca1cd0e8 ffff8801cc20fd80 [ 23.453355] ffff8801cc20fc50 ffffffff835483dc 0000000041b58ab3 0000000000000008 [ 23.461294] Call Trace: [ 23.463843] [<ffffffff835483dc>] packet_set_ring+0xd6c/0x18b0 [ 23.469780] [<ffffffff83547670>] ? packet_poll+0x5c0/0x5c0 [ 23.475457] [<ffffffff838ab7b9>] ? retint_kernel+0x2d/0x2d [ 23.481137] [<ffffffff8354ae94>] packet_setsockopt+0x554/0x2240 [ 23.487251] [<ffffffff81bf5a7f>] ? sock_has_perm+0x9f/0x3e0 [ 23.493014] [<ffffffff8354a940>] ? packet_recvmsg+0x1000/0x1000 [ 23.499120] [<ffffffff81bf5c72>] ? sock_has_perm+0x292/0x3e0 [ 23.504969] [<ffffffff81bf5a7f>] ? sock_has_perm+0x9f/0x3e0 [ 23.510730] [<ffffffff81bf59e0>] ? selinux_file_send_sigiotask+0x310/0x310 [ 23.517796] [<ffffffff815cfac1>] ? __fget+0x201/0x3a0 [ 23.523036] [<ffffffff81c38796>] ? selinux_netlbl_socket_setsockopt+0x116/0x340 [ 23.530539] [<ffffffff81c38680>] ? selinux_netlbl_sock_rcv_skb+0x470/0x470 [ 23.537603] [<ffffffff81bf621d>] ? selinux_socket_setsockopt+0x6d/0x80 [ 23.544319] [<ffffffff82ed31e0>] SyS_setsockopt+0x160/0x250 [ 23.550080] [<ffffffff82ed3080>] ? SyS_recv+0x40/0x40 [ 23.555317] [<ffffffff82ed2510>] ? move_addr_to_kernel+0x50/0x50 [ 23.561512] [<ffffffff8100301a>] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 23.568125] [<ffffffff838aad85>] entry_SYSCALL_64_fastpath+0x23/0xc6 [ 23.574666] Code: 48 89 fa 48 c1 ea 03 42 80 3c 3a 00 0f 85 4a 01 00 00 4d 3b 6c c4 28 74 16 e8 b4 58 e2 fd 83 c3 01 44 39 f3 75 cd e8 a7 58 e2 fd <0f> 0b 31 c0 41 8d 5e ff 48 89 45 c0 e8 96 58 e2 fd 49 8d 7c dc [ 23.600959] RIP [<ffffffff83544d69>] __unregister_prot_hook+0x139/0x280 [ 23.607872] RSP <ffff8801cc20fac8> [ 23.611541] ---[ end trace 3e86d15a78fc5e45 ]--- [ 23.616263] Kernel panic - not syncing: Fatal exception [ 23.621940] Dumping ftrace buffer: [ 23.625451] (ftrace buffer empty) [ 23.629127] Kernel Offset: disabled [ 23.632716] Rebooting in 86400 seconds..