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-4,10.128.15.207' (ECDSA) to the list of known hosts.
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syzkaller login: [   35.979022] kasan: CONFIG_KASAN_INLINE enabled
[   35.979713] kasan: GPF could be caused by NULL-ptr deref or user memory access
[   35.980703] general protection fault: 0000 [#1] PREEMPT SMP KASAN
[   35.981522] Dumping ftrace buffer:
[   35.981995]    (ftrace buffer empty)
[   35.982489] Modules linked in:
[   35.982985] CPU: 0 PID: 3612 Comm: syzkaller286688 Not tainted 4.9.57-g9eaaf14 #69
[   35.983991] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   35.985209] task: ffff8801d0dd1800 task.stack: ffff8801d0600000
[   35.986014] RIP: 0010:[<ffffffff82662671>]  [<ffffffff82662671>] sg_read+0xcc1/0x1400
[   35.987096] RSP: 0018:ffff8801d0607ac0  EFLAGS: 00010246
[   35.987815] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 000000000000000c
[   35.988765] RDX: 0000000000000000 RSI: 0000000000000fdc RDI: ffff8801cfeda270
[   35.989726] RBP: ffff8801d0607bc8 R08: 0000000000000000 R09: ffffed003a38ad55
[   35.990676] R10: 0000000000000005 R11: ffffed003a38ad54 R12: 0000000000001000
[   35.991625] R13: 0000000000000000 R14: ffff8801d1c56a80 R15: ffff8801cfeda240
[   35.992579] FS:  00007f0825898700(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000
[   35.993669] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   35.994440] CR2: 00000000201e7000 CR3: 00000001ccea6000 CR4: 00000000001406f0
[   35.995392] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   35.996352] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   35.997315] Stack:
[   35.997608]  0000000000000030 ffffea00074181c0 ffff8801cfeda258 ffffea0000000fdc
[   35.998753]  ffff8801d0607b30 ffff8801cfeda268 0000000000001000 0000000000000246
[   36.004212]  ffff8801d1b9ac80 1ffff1003a0c0f64 00000000201e7000 00000000201e7024
[   36.012158] Call Trace:
[   36.014709]  [<ffffffff826619b0>] ? sg_proc_seq_show_debug+0xd10/0xd10
[   36.021341]  [<ffffffff816421c0>] ? fsnotify+0xf30/0xf30
[   36.026755]  [<ffffffff81bd8fb9>] ? avc_policy_seqno+0x9/0x20
[   36.032604]  [<ffffffff8156af71>] do_loop_readv_writev.part.17+0x141/0x1e0
[   36.039579]  [<ffffffff81bd0079>] ? security_file_permission+0x89/0x1e0
[   36.046293]  [<ffffffff826619b0>] ? sg_proc_seq_show_debug+0xd10/0xd10
[   36.052922]  [<ffffffff826619b0>] ? sg_proc_seq_show_debug+0xd10/0xd10
[   36.059549]  [<ffffffff8156ed30>] do_readv_writev+0x520/0x750
[   36.065396]  [<ffffffff8156e810>] ? vfs_write+0x4e0/0x4e0
[   36.070898]  [<ffffffff811c9e40>] ? migrate_swap_stop+0x920/0x920
[   36.077094]  [<ffffffff81249dfa>] ? rwsem_wake+0x15a/0x1b0
[   36.082680]  [<ffffffff815cf181>] ? __fget+0x201/0x3a0
[   36.087922]  [<ffffffff815cf1a8>] ? __fget+0x228/0x3a0
[   36.093160]  [<ffffffff815cefc7>] ? __fget+0x47/0x3a0
[   36.098314]  [<ffffffff8156efe4>] vfs_readv+0x84/0xc0
[   36.103470]  [<ffffffff8156f106>] do_readv+0xe6/0x250
[   36.108624]  [<ffffffff8156f020>] ? vfs_readv+0xc0/0xc0
[   36.113951]  [<ffffffff810dfe90>] ? mm_fault_error+0x2c0/0x2c0
[   36.119886]  [<ffffffff81572587>] SyS_readv+0x27/0x30
[   36.125041]  [<ffffffff838aa045>] entry_SYSCALL_64_fastpath+0x23/0xc6
[   36.131583] 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 
[   36.157859] RIP  [<ffffffff82662671>] sg_read+0xcc1/0x1400
[   36.163561]  RSP <ffff8801d0607ac0>
[   36.168778] ---[ end trace 433d71c3c91f0188 ]---
[   36.173564] Kernel panic - not syncing: Fatal exception
[   36.179311] Dumping ftrace buffer:
[   36.182815]    (ftrace buffer empty)
[   36.186488] Kernel Offset: disabled
[   36.190079] Rebooting in 86400 seconds..