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 '10.128.10.4' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [   31.198365] kasan: CONFIG_KASAN_INLINE enabled
[   31.203081] kasan: GPF could be caused by NULL-ptr deref or user memory access
[   31.210660] general protection fault: 0000 [#1] SMP KASAN
[   31.216190] Dumping ftrace buffer:
[   31.219725]    (ftrace buffer empty)
[   31.223412] Modules linked in:
[   31.226588] CPU: 1 PID: 4503 Comm: syzkaller463830 Not tainted 4.17.0-rc1+ #10
[   31.233921] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   31.243302] RIP: 0010:smc_setsockopt+0x8b/0x120
[   31.247944] RSP: 0018:ffff8801af847cc8 EFLAGS: 00010206
[   31.253287] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000020000000
[   31.260535] RDX: 0000000000000005 RSI: ffffffff873e3bf6 RDI: 0000000000000028
[   31.267786] RBP: ffff8801af847cf8 R08: 0000000000000000 R09: ffffed00360a8288
[   31.275039] R10: ffffed00360a8288 R11: ffff8801b0541443 R12: ffff8801af847d40
[   31.282296] R13: 0000000000000021 R14: 000000000000000d R15: 0000000020000000
[   31.289547] FS:  0000000001842880(0000) GS:ffff8801daf00000(0000) knlGS:0000000000000000
[   31.297749] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   31.303607] CR2: 0000558be74dd090 CR3: 00000001b0101000 CR4: 00000000001406e0
[   31.310863] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   31.318118] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   31.325364] Call Trace:
[   31.327939]  __sys_setsockopt+0x1bd/0x390
[   31.332068]  ? kernel_accept+0x310/0x310
[   31.336109]  ? __ia32_sys_getsockopt+0x150/0x150
[   31.340851]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[   31.346387]  ? security_file_fcntl+0x94/0xc0
[   31.350776]  __x64_sys_setsockopt+0xbe/0x150
[   31.355169]  ? trace_hardirqs_on_caller+0x421/0x5c0
[   31.360164]  do_syscall_64+0x1b1/0x800
[   31.364033]  ? syscall_slow_exit_work+0x4f0/0x4f0
[   31.368853]  ? syscall_return_slowpath+0x5c0/0x5c0
[   31.373761]  ? syscall_return_slowpath+0x30f/0x5c0
[   31.378668]  ? entry_SYSCALL_64_after_hwframe+0x59/0xbe
[   31.384017]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   31.388850]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[   31.394021] RIP: 0033:0x43fd19
[   31.397191] RSP: 002b:00007ffda23cf428 EFLAGS: 00000217 ORIG_RAX: 0000000000000036
[   31.404889] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 000000000043fd19
[   31.412134] RDX: 000000000000000d RSI: 0000000000000021 RDI: 0000000000000004
[   31.419384] RBP: 00000000006ca018 R08: 0000000000000000 R09: 00000000004002c8
[   31.426630] R10: 0000000020000000 R11: 0000000000000217 R12: 0000000000401640
[   31.433876] R13: 00000000004016d0 R14: 0000000000000000 R15: 0000000000000000
[   31.441137] Code: fa 48 c1 ea 03 80 3c 02 00 0f 85 93 00 00 00 48 8b 9b 50 04 00 00 48 b8 00 00 00 00 00 fc ff df 48 8d 7b 28 48 89 fa 48 c1 ea 03 <80> 3c 02 00 75 62 48 b8 00 00 00 00 00 fc ff df 4c 8b 63 28 49 
[   31.460286] RIP: smc_setsockopt+0x8b/0x120 RSP: ffff8801af847cc8
[   31.466778] ---[ end trace 22bac354f04a5db0 ]---
[   31.471547] Kernel panic - not syncing: Fatal exception
[   31.477571] Dumping ftrace buffer:
[   31.481087]    (ftrace buffer empty)
[   31.484773] Kernel Offset: disabled
[   31.488378] Rebooting in 86400 seconds..