[....] Starting enhanced syslogd: rsyslogd[   10.411938] audit: type=1400 audit(1513463354.747:4): avc:  denied  { syslog } for  pid=3168 comm="rsyslogd" capability=34  scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=capability2 permissive=1
[?25l[?1c7[ ok 8[?25h[?0c.
[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c.
Starting mcstransd: 
[....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c.
[....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c.

Debian GNU/Linux 7 syzkaller ttyS0

Warning: Permanently added 'ci-android-49-kasan-gce-386-4,10.128.0.25' (ECDSA) to the list of known hosts.
net.ipv6.conf.syz0.accept_dad = 0
net.ipv6.conf.syz0.router_solicitations = 0
executing program
syzkaller login: [   31.102035] IPVS: Creating netns size=2536 id=1
[   31.167243] kasan: CONFIG_KASAN_INLINE enabled
[   31.172252] kasan: GPF could be caused by NULL-ptr deref or user memory access
[   31.179918] general protection fault: 0000 [#1] PREEMPT SMP KASAN
[   31.186120] Dumping ftrace buffer:
[   31.189624]    (ftrace buffer empty)
[   31.193300] Modules linked in:
[   31.196571] CPU: 0 PID: 3359 Comm: syzkaller249287 Not tainted 4.9.69-g3f1d77c #4
[   31.204152] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   31.213473] task: ffff8801c6c40000 task.stack: ffff8801c6c48000
[   31.219494] RIP: 0010:[<ffffffff8266259c>]  [<ffffffff8266259c>] sg_read+0xd0c/0x1440
[   31.227546] RSP: 0018:ffff8801c6c4fa50  EFLAGS: 00010246
[   31.232960] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 000000000000000c
[   31.240196] RDX: 0000000000000000 RSI: 00000000000000bb RDI: ffff8801d1974370
[   31.247431] RBP: ffff8801c6c4fb58 R08: 0000000000000000 R09: ffffed0039bd9a11
[   31.254668] R10: 0000000000000005 R11: ffffed0039bd9a10 R12: 0000000000001000
[   31.261904] R13: 0000000000000000 R14: ffff8801cdecd060 R15: ffff8801d1974340
[   31.269140] FS:  0000000000000000(0000) GS:ffff8801db200000(0063) knlGS:00000000f3f49b40
[   31.277331] CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
[   31.283178] CR2: 0000000020acef21 CR3: 00000001cfa71000 CR4: 00000000001406f0
[   31.290415] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   31.297650] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   31.304892] Stack:
[   31.307010]  ffff8801d4d33500 ffff8801c6c4fa80 ffff8801d1974358 ffff8801000000bb
[   31.314956]  0000000000000000 ffff8801d1974368 00000000000000df 0000000000000246
[   31.322900]  ffff8801d1404280 1ffff10038d89f56 0000000020acef21 0000000020acef45
[   31.330841] Call Trace:
[   31.333395]  [<ffffffff82661890>] ? sg_proc_seq_show_debug+0xd10/0xd10
[   31.340026]  [<ffffffff816406e0>] ? fsnotify+0xf30/0xf30
[   31.345450]  [<ffffffff81bd8029>] ? avc_policy_seqno+0x9/0x20
[   31.351301]  [<ffffffff81568ef1>] do_loop_readv_writev.part.17+0x141/0x1e0
[   31.358280]  [<ffffffff81bcf0e9>] ? security_file_permission+0x89/0x1e0
[   31.364997]  [<ffffffff82661890>] ? sg_proc_seq_show_debug+0xd10/0xd10
[   31.371628]  [<ffffffff82661890>] ? sg_proc_seq_show_debug+0xd10/0xd10
[   31.378258]  [<ffffffff8156de12>] compat_do_readv_writev+0x522/0x760
[   31.384715]  [<ffffffff8156d8f0>] ? do_pwritev+0x1a0/0x1a0
[   31.390306]  [<ffffffff81462e77>] ? __lru_cache_add+0x187/0x250
[   31.396330]  [<ffffffff81df785b>] ? check_preemption_disabled+0x3b/0x200
[   31.403134]  [<ffffffff815cd641>] ? __fget+0x201/0x3a0
[   31.408376]  [<ffffffff815cd668>] ? __fget+0x228/0x3a0
[   31.413616]  [<ffffffff815cd487>] ? __fget+0x47/0x3a0
[   31.418769]  [<ffffffff8156e133>] compat_readv+0xe3/0x150
[   31.424270]  [<ffffffff8156e294>] do_compat_readv+0xf4/0x1d0
[   31.430029]  [<ffffffff8156e1a0>] ? compat_readv+0x150/0x150
[   31.435789]  [<ffffffff81570806>] compat_SyS_readv+0x26/0x30
[   31.441560]  [<ffffffff815707e0>] ? SyS_pwritev2+0x80/0x80
[   31.447148]  [<ffffffff81006fc7>] do_fast_syscall_32+0x2f7/0x890
[   31.453257]  [<ffffffff81003036>] ? trace_hardirqs_off_thunk+0x1a/0x1c
[   31.459886]  [<ffffffff838ac161>] entry_SYSENTER_compat+0x51/0x60
[   31.466079] 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 
[   31.492408] RIP  [<ffffffff8266259c>] sg_read+0xd0c/0x1440
[   31.498112]  RSP <ffff8801c6c4fa50>
[   31.501969] ---[ end trace b29e35c422f5c80b ]---
[   31.506707] Kernel panic - not syncing: Fatal exception
[   31.512363] Dumping ftrace buffer:
[   31.515877]    (ftrace buffer empty)
[   31.519552] Kernel Offset: disabled
[   31.523145] Rebooting in 86400 seconds..