[....] Starting enhanced syslogd: rsyslogd[   10.180921] audit: type=1400 audit(1513737307.045:4): avc:  denied  { syslog } for  pid=3186 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 mcstransd: 
[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c.
[....] 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-9,10.128.0.57' (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: [   35.282271] IPVS: Creating netns size=2536 id=1
[   35.332561] sg_write: data in/out 36090/8 bytes for SCSI command 0x67-- guessing data in;
[   35.332561]    program syzkaller053553 not setting count and/or reply_len properly
[   35.365122] kasan: CONFIG_KASAN_INLINE enabled
[   35.369711] kasan: GPF could be caused by NULL-ptr deref or user memory access
[   35.377083] general protection fault: 0000 [#1] PREEMPT SMP KASAN
[   35.383282] Dumping ftrace buffer:
[   35.386781]    (ftrace buffer empty)
[   35.390454] Modules linked in:
[   35.393720] CPU: 0 PID: 3379 Comm: syzkaller053553 Not tainted 4.9.70-gc14c7b3 #110
[   35.401472] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   35.410789] task: ffff8801c99ce000 task.stack: ffff8801c7da8000
[   35.416807] RIP: 0010:[<ffffffff826627bc>]  [<ffffffff826627bc>] sg_read+0xd0c/0x1440
[   35.424858] RSP: 0018:ffff8801c7dafac0  EFLAGS: 00010246
[   35.430269] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff82662783
[   35.437505] RDX: 0000000000000000 RSI: 000000000000001a RDI: ffff8801c87b4370
[   35.444739] RBP: ffff8801c7dafbc8 R08: 0000000000080000 R09: ffffed003931b19d
[   35.451978] R10: 0000000000000005 R11: ffffed003931b19c R12: 0000000000001000
[   35.459209] R13: 0000000000000000 R14: ffff8801c98d8cc0 R15: ffff8801c87b4340
[   35.466443] FS:  00007f3f2bee5700(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000
[   35.474635] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   35.480480] CR2: 0000000020f93fcb CR3: 00000001c8e51000 CR4: 00000000001406f0
[   35.487715] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   35.494947] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   35.502178] Stack:
[   35.504291]  ffff8801d15540c0 ffff8801c7dafaf0 ffff8801c87b4358 ffff88010000001a
[   35.512229]  0000000000000000 ffff8801c87b4368 000000000000003e 0000000000000246
[   35.520165]  ffff8801d14c6280 1ffff10038fb5f64 0000000020f93fcb 0000000020f93fef
[   35.528117] Call Trace:
[   35.530671]  [<ffffffff82661ab0>] ? sg_proc_seq_show_debug+0xd10/0xd10
[   35.537300]  [<ffffffff81640910>] ? fsnotify+0xf30/0xf30
[   35.542716]  [<ffffffff81bd8259>] ? avc_policy_seqno+0x9/0x20
[   35.548564]  [<ffffffff81569121>] do_loop_readv_writev.part.17+0x141/0x1e0
[   35.555539]  [<ffffffff81bcf319>] ? security_file_permission+0x89/0x1e0
[   35.562253]  [<ffffffff82661ab0>] ? sg_proc_seq_show_debug+0xd10/0xd10
[   35.568881]  [<ffffffff82661ab0>] ? sg_proc_seq_show_debug+0xd10/0xd10
[   35.575507]  [<ffffffff8156cf90>] do_readv_writev+0x520/0x750
[   35.581353]  [<ffffffff8156ca70>] ? vfs_write+0x530/0x530
[   35.586853]  [<ffffffff815cd871>] ? __fget+0x201/0x3a0
[   35.592089]  [<ffffffff815cd898>] ? __fget+0x228/0x3a0
[   35.597327]  [<ffffffff815cd6b7>] ? __fget+0x47/0x3a0
[   35.602485]  [<ffffffff8156d244>] vfs_readv+0x84/0xc0
[   35.607636]  [<ffffffff8156d366>] do_readv+0xe6/0x250
[   35.612797]  [<ffffffff8156d280>] ? vfs_readv+0xc0/0xc0
[   35.618125]  [<ffffffff838aa3e7>] ? entry_SYSCALL_64_fastpath+0x5/0xc6
[   35.624757]  [<ffffffff81238c4b>] ? trace_hardirqs_on_caller+0x38b/0x590
[   35.631558]  [<ffffffff81570857>] SyS_readv+0x27/0x30
[   35.636713]  [<ffffffff838aa405>] entry_SYSCALL_64_fastpath+0x23/0xc6
[   35.643255] 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 
[   35.669503] RIP  [<ffffffff826627bc>] sg_read+0xd0c/0x1440
[   35.675205]  RSP <ffff8801c7dafac0>
[   35.679055] ---[ end trace 40fa2cef09bd25b9 ]---
[   35.683778] Kernel panic - not syncing: Fatal exception
[   35.689536] Dumping ftrace buffer:
[   35.693040]    (ftrace buffer empty)
[   35.696715] Kernel Offset: disabled
[   35.700306] Rebooting in 86400 seconds..