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-8,10.128.0.36' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [   33.958348] kasan: CONFIG_KASAN_INLINE enabled
[   33.959111] kasan: GPF could be caused by NULL-ptr deref or user memory access
[   33.960143] general protection fault: 0000 [#1] PREEMPT SMP KASAN
[   33.960967] Dumping ftrace buffer:
[   33.961438]    (ftrace buffer empty)
[   33.961933] Modules linked in:
[   33.962442] CPU: 1 PID: 3245 Comm: syzkaller134950 Not tainted 4.9.63-g44a3afc #92
[   33.963482] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   33.964698] task: ffff8801c7109800 task.stack: ffff8801c7730000
[   33.965492] RIP: 0010:[<ffffffff82665a6c>]  [<ffffffff82665a6c>] sg_read+0xd0c/0x1440
[   33.966574] RSP: 0018:ffff8801c7737ac0  EFLAGS: 00010246
[   33.967295] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 000000000000000c
[   33.968246] RDX: 0000000000000000 RSI: 000000000000002b RDI: ffff8801cf61a270
[   33.969196] RBP: ffff8801c7737bc8 R08: 8551c99c2a45b4bd R09: ffffed0039dd7d91
[   33.970146] R10: 0000000000000005 R11: ffffed0039dd7d90 R12: 0000000000001000
[   33.971096] R13: 0000000000000000 R14: ffff8801ceebec60 R15: ffff8801cf61a240
[   33.972048] FS:  000000000122f880(0000) GS:ffff8801db300000(0000) knlGS:0000000000000000
[   33.973120] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   33.973893] CR2: 000000002066ffb1 CR3: 00000001c712b000 CR4: 00000000001406e0
[   33.974845] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   33.975794] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   33.976742] Stack:
[   33.977036]  ffff8801d5548f00 ffff8801c7737af0 ffff8801cf61a258 ffff88010000002b
[   33.978161]  0000000000000000 ffff8801cf61a268 000000000000004f 0000000000000246
[   33.983607]  ffff8801d1b67180 1ffff10038ee6f64 000000002066ffb1 000000002066ffd5
[   33.991557] Call Trace:
[   33.994108]  [<ffffffff82664d60>] ? sg_proc_seq_show_debug+0xd10/0xd10
[   34.000739]  [<ffffffff81644550>] ? fsnotify+0xf30/0xf30
[   34.006301]  [<ffffffff81bdbb69>] ? avc_policy_seqno+0x9/0x20
[   34.012152]  [<ffffffff8156cd71>] do_loop_readv_writev.part.17+0x141/0x1e0
[   34.019128]  [<ffffffff81bd2c29>] ? security_file_permission+0x89/0x1e0
[   34.025842]  [<ffffffff82664d60>] ? sg_proc_seq_show_debug+0xd10/0xd10
[   34.032471]  [<ffffffff82664d60>] ? sg_proc_seq_show_debug+0xd10/0xd10
[   34.039099]  [<ffffffff81570be0>] do_readv_writev+0x520/0x750
[   34.044949]  [<ffffffff815706c0>] ? vfs_write+0x530/0x530
[   34.050449]  [<ffffffff838ace5c>] ? _raw_spin_unlock+0x2c/0x50
[   34.056387]  [<ffffffff814cf6f0>] ? __pmd_alloc+0x410/0x410
[   34.062063]  [<ffffffff810e14aa>] ? __do_page_fault+0x61a/0xd70
[   34.068084]  [<ffffffff81570e94>] vfs_readv+0x84/0xc0
[   34.073236]  [<ffffffff81570fb6>] do_readv+0xe6/0x250
[   34.078388]  [<ffffffff81570ed0>] ? vfs_readv+0xc0/0xc0
[   34.083712]  [<ffffffff838ad6e7>] ? entry_SYSCALL_64_fastpath+0x5/0xc6
[   34.090343]  [<ffffffff8123cd6b>] ? trace_hardirqs_on_caller+0x38b/0x590
[   34.097145]  [<ffffffff815744a7>] SyS_readv+0x27/0x30
[   34.102297]  [<ffffffff838ad705>] entry_SYSCALL_64_fastpath+0x23/0xc6
[   34.108835] Code: 00 00 00 00 00 fc ff df 48 c1 ea 03 80 3c 02 00 0f 85 8a 06 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 df 05 00 00 48 8b 1b 48 85 db 0f 84 51 03 00 
[   34.135074] RIP  [<ffffffff82665a6c>] sg_read+0xd0c/0x1440
[   34.140773]  RSP <ffff8801c7737ac0>
[   34.144427] ---[ end trace 9fd63e11ef95a576 ]---
[   34.149151] Kernel panic - not syncing: Fatal exception
[   34.154830] Dumping ftrace buffer:
[   34.158338]    (ftrace buffer empty)
[   34.162014] Kernel Offset: disabled
[   34.165606] Rebooting in 86400 seconds..