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-android-49-kasan-gce-6,10.128.0.58' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [   33.579961] sg_write: data in/out 34319/34 bytes for SCSI command 0xfc-- guessing data in;
[   33.579961]    program syzkaller611922 not setting count and/or reply_len properly
[   33.583121] kasan: CONFIG_KASAN_INLINE enabled
[   33.583732] kasan: GPF could be caused by NULL-ptr deref or user memory access
[   33.584761] general protection fault: 0000 [#1] PREEMPT SMP KASAN
[   33.585612] Dumping ftrace buffer:
[   33.586084]    (ftrace buffer empty)
[   33.586580] Modules linked in:
[   33.587050] CPU: 0 PID: 3235 Comm: syzkaller611922 Not tainted 4.9.52-g9b2b081 #55
[   33.588058] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   33.589312] task: ffff8801d4fcc800 task.stack: ffff8801d6878000
[   33.590106] RIP: 0010:[<ffffffff82664351>]  [<ffffffff82664351>] sg_read+0xcc1/0x1400
[   33.591186] RSP: 0018:ffff8801d687fac0  EFLAGS: 00010246
[   33.592019] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 000000000000000c
[   33.593083] RDX: 0000000000000000 RSI: 00000000000000db RDI: ffff8801cf0b2270
[   33.594033] RBP: ffff8801d687fbc8 R08: 0000000000000000 R09: ffffed0039ac6895
[   33.595008] R10: 0000000000000005 R11: ffffed0039ac6894 R12: 0000000000001000
[   33.595969] R13: 0000000000000000 R14: ffff8801cd634480 R15: ffff8801cf0b2240
[   33.596921] FS:  0000000001d48880(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000
[   33.598003] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   33.598794] CR2: 0000000020fc0000 CR3: 00000001cfe7b000 CR4: 00000000001406f0
[   33.599745] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   33.604959] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   33.612192] Stack:
[   33.614304]  ffffea00075a1fc0 ffff8801d687fb18 ffff8801cf0b2258 00000000000000db
[   33.622271]  ffff8801d687fd60 ffff8801cf0b2268 00000000000000ff 0000000000000246
[   33.630233]  ffff8801d1bce780 1ffff1003ad0ff64 0000000020fc0000 0000000020fc0024
[   33.638183] Call Trace:
[   33.640737]  [<ffffffff82663690>] ? sg_proc_seq_show_debug+0xd10/0xd10
[   33.647368]  [<ffffffff81642f00>] ? fsnotify+0xf30/0xf30
[   33.652783]  [<ffffffff81dd5af6>] ? iov_iter_advance+0x216/0xd70
[   33.658893]  [<ffffffff8156b741>] do_loop_readv_writev.part.17+0x141/0x1e0
[   33.665870]  [<ffffffff81bd1c79>] ? security_file_permission+0x89/0x1e0
[   33.672585]  [<ffffffff82663690>] ? sg_proc_seq_show_debug+0xd10/0xd10
[   33.679217]  [<ffffffff82663690>] ? sg_proc_seq_show_debug+0xd10/0xd10
[   33.685846]  [<ffffffff8156f510>] do_readv_writev+0x520/0x750
[   33.691695]  [<ffffffff8156eff0>] ? vfs_write+0x4e0/0x4e0
[   33.697196]  [<ffffffff838abd9c>] ? _raw_spin_unlock+0x2c/0x50
[   33.703133]  [<ffffffff814cdda0>] ? __pmd_alloc+0x410/0x410
[   33.708805]  [<ffffffff81642056>] ? fsnotify+0x86/0xf30
[   33.714133]  [<ffffffff81642f00>] ? fsnotify+0xf30/0xf30
[   33.719554]  [<ffffffff8156f7c4>] vfs_readv+0x84/0xc0
[   33.724708]  [<ffffffff8156f8e6>] do_readv+0xe6/0x250
[   33.729859]  [<ffffffff8156f800>] ? vfs_readv+0xc0/0xc0
[   33.735190]  [<ffffffff810e005f>] ? __do_page_fault+0x33f/0xbd0
[   33.741210]  [<ffffffff81572ca7>] SyS_readv+0x27/0x30
[   33.746366]  [<ffffffff838ac645>] entry_SYSCALL_64_fastpath+0x23/0xc6
[   33.752905] Code: 00 00 00 00 00 fc ff df 48 c1 ea 03 80 3c 02 00 0f 85 19 07 00 00 48 b8 00 00 00 00 00 fc ff df 49 8b 5f 28 48 89 da 48 c1 ea 03 <80> 3c 02 00 0f 85 ed 06 00 00 48 8b 1b 48 85 db 0f 84 51 03 00 
[   33.779260] RIP  [<ffffffff82664351>] sg_read+0xcc1/0x1400
[   33.784970]  RSP <ffff8801d687fac0>
[   33.788838] ---[ end trace ce7bb275697a2f75 ]---
[   33.793564] Kernel panic - not syncing: Fatal exception
[   33.799271] Dumping ftrace buffer:
[   33.802781]    (ftrace buffer empty)
[   33.806456] Kernel Offset: disabled
[   33.810047] Rebooting in 86400 seconds..