[....] Starting enhanced syslogd: rsyslogd[    9.953657] audit: type=1400 audit(1513731231.191:4): avc:  denied  { syslog } for  pid=3167 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 file context maintaining daemon: restorecond[?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-386-4,10.128.15.248' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [   42.952063] sg_write: data in/out 36090/116 bytes for SCSI command 0x67-- guessing data in;
[   42.952063]    program syzkaller395696 not setting count and/or reply_len properly
[   42.955163] kasan: CONFIG_KASAN_INLINE enabled
[   42.955794] kasan: GPF could be caused by NULL-ptr deref or user memory access
[   42.956757] general protection fault: 0000 [#1] PREEMPT SMP KASAN
[   42.957575] Dumping ftrace buffer:
[   42.958059]    (ftrace buffer empty)
[   42.958553] Modules linked in:
[   42.959017] CPU: 1 PID: 3339 Comm: syzkaller395696 Not tainted 4.9.70-gc14c7b3 #6
[   42.960050] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   42.961268] task: ffff8801ca8b0000 task.stack: ffff8801cad40000
[   42.962083] RIP: 0010:[<ffffffff826627bc>]  [<ffffffff826627bc>] sg_read+0xd0c/0x1440
[   42.963230] RSP: 0018:ffff8801cad47a50  EFLAGS: 00010246
[   42.963953] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff82662783
[   42.964903] RDX: 0000000000000000 RSI: 000000000000001a RDI: ffff8801c8dd8170
[   42.965864] RBP: ffff8801cad47b58 R08: 0000000000000000 R09: ffffed00391e5259
[   42.966824] R10: 0000000000000005 R11: ffffed00391e5258 R12: 0000000000001000
[   42.967774] R13: 0000000000000000 R14: ffff8801c8f292a0 R15: ffff8801c8dd8140
[   42.968736] FS:  0000000000000000(0000) GS:ffff8801db300000(0063) knlGS:0000000008b58840
[   42.969807] CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
[   42.970580] CR2: 0000000020f93fcb CR3: 00000001c0c67000 CR4: 00000000001406e0
[   42.971553] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   42.974805] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   42.982037] Stack:
[   42.984151]  ffff8801d22e8580 ffff8801cad47a80 ffff8801c8dd8158 ffff88010000001a
[   42.992106]  0000000000000000 ffff8801c8dd8168 000000000000003e 0000000000000246
[   43.000043]  ffff8801d1465180 1ffff100395a8f56 0000000020f93fcb 0000000020f93fef
[   43.007983] Call Trace:
[   43.010538]  [<ffffffff82661ab0>] ? sg_proc_seq_show_debug+0xd10/0xd10
[   43.017170]  [<ffffffff81640910>] ? fsnotify+0xf30/0xf30
[   43.022590]  [<ffffffff81bd8259>] ? avc_policy_seqno+0x9/0x20
[   43.028441]  [<ffffffff81569121>] do_loop_readv_writev.part.17+0x141/0x1e0
[   43.035419]  [<ffffffff81bcf319>] ? security_file_permission+0x89/0x1e0
[   43.042137]  [<ffffffff82661ab0>] ? sg_proc_seq_show_debug+0xd10/0xd10
[   43.048767]  [<ffffffff82661ab0>] ? sg_proc_seq_show_debug+0xd10/0xd10
[   43.055395]  [<ffffffff8156e042>] compat_do_readv_writev+0x522/0x760
[   43.061853]  [<ffffffff8156db20>] ? do_pwritev+0x1a0/0x1a0
[   43.067450]  [<ffffffff838a9b4c>] ? _raw_spin_unlock+0x2c/0x50
[   43.073386]  [<ffffffff814cbede>] ? handle_mm_fault+0x6ee/0x2530
[   43.079495]  [<ffffffff814cb7f0>] ? __pmd_alloc+0x410/0x410
[   43.085167]  [<ffffffff81be8ba2>] ? selinux_file_permission+0x82/0x460
[   43.091796]  [<ffffffff8156e363>] compat_readv+0xe3/0x150
[   43.097296]  [<ffffffff8156e4c4>] do_compat_readv+0xf4/0x1d0
[   43.103055]  [<ffffffff8156e3d0>] ? compat_readv+0x150/0x150
[   43.108816]  [<ffffffff81570a36>] compat_SyS_readv+0x26/0x30
[   43.114579]  [<ffffffff81570a10>] ? SyS_pwritev2+0x80/0x80
[   43.120166]  [<ffffffff81006fc7>] do_fast_syscall_32+0x2f7/0x890
[   43.126277]  [<ffffffff81003036>] ? trace_hardirqs_off_thunk+0x1a/0x1c
[   43.132905]  [<ffffffff838aba61>] entry_SYSENTER_compat+0x51/0x60
[   43.139099] 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 
[   43.165357] RIP  [<ffffffff826627bc>] sg_read+0xd0c/0x1440
[   43.171060]  RSP <ffff8801cad47a50>
[   43.174720] ---[ end trace da4744d3ee993402 ]---
[   43.179527] Kernel panic - not syncing: Fatal exception
[   43.185188] Dumping ftrace buffer:
[   43.188693]    (ftrace buffer empty)
[   43.192370] Kernel Offset: disabled
[   43.195962] Rebooting in 86400 seconds..