[....] Starting enhanced syslogd: rsyslogd[   11.217849] audit: type=1400 audit(1515284439.659:4): 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 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 '10.128.15.200' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [   21.054673] sg_write: data in/out 117476602/1 bytes for SCSI command 0xe2-- guessing data in;
[   21.054673]    program syzkaller342529 not setting count and/or reply_len properly
[   21.059229] kasan: CONFIG_KASAN_INLINE enabled
[   21.059871] kasan: GPF could be caused by NULL-ptr deref or user memory access
[   21.060850] general protection fault: 0000 [#1] PREEMPT SMP KASAN
[   21.061727] Dumping ftrace buffer:
[   21.062221]    (ftrace buffer empty)
[   21.062725] Modules linked in:
[   21.063194] CPU: 1 PID: 3316 Comm: syzkaller342529 Not tainted 4.9.75-g06fe41f #16
[   21.064219] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   21.065448] task: ffff8801ca2b4800 task.stack: ffff8801cafa0000
[   21.066244] RIP: 0010:[<ffffffff8266880c>]  [<ffffffff8266880c>] sg_read+0xd0c/0x1440
[   21.067339] RSP: 0018:ffff8801cafa7a50  EFLAGS: 00010246
[   21.068056] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff826687d3
[   21.069059] RDX: 0000000000000000 RSI: 0000000000000071 RDI: ffff8801ca394370
[   21.070035] RBP: ffff8801cafa7b58 R08: 0000000000000000 R09: ffffed003941cb91
[   21.070994] R10: 0000000000000005 R11: ffffed003941cb90 R12: 0000000000001000
[   21.072598] R13: 0000000000000000 R14: ffff8801ca0e5c60 R15: ffff8801ca394340
[   21.073576] FS:  0000000000000000(0000) GS:ffff8801db300000(0063) knlGS:000000000873a840
[   21.074648] CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
[   21.079770] CR2: 0000000020aaaf6b CR3: 00000001c9c6e000 CR4: 0000000000160670
[   21.087020] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   21.094267] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   21.101507] Stack:
[   21.103625]  ffff8801d5309880 ffff8801cafa7a80 ffff8801ca394358 ffff880100000071
[   21.111583]  0000000000000000 ffff8801ca394368 0000000000000095 0000000000000246
[   21.119555]  ffff8801d15b2f00 1ffff100395f4f56 0000000020aaaf6b 0000000020aaaf8f
[   21.127512] Call Trace:
[   21.130075]  [<ffffffff82667b00>] ? sg_proc_seq_show_debug+0xd10/0xd10
[   21.136741]  [<ffffffff81642ca0>] ? fsnotify+0xf30/0xf30
[   21.142163]  [<ffffffff81bda799>] ? avc_policy_seqno+0x9/0x20
[   21.148016]  [<ffffffff8156b481>] do_loop_readv_writev.part.17+0x141/0x1e0
[   21.155039]  [<ffffffff81bd1859>] ? security_file_permission+0x89/0x1e0
[   21.161759]  [<ffffffff82667b00>] ? sg_proc_seq_show_debug+0xd10/0xd10
[   21.168397]  [<ffffffff82667b00>] ? sg_proc_seq_show_debug+0xd10/0xd10
[   21.175032]  [<ffffffff815703a2>] compat_do_readv_writev+0x522/0x760
[   21.181488]  [<ffffffff8156fe80>] ? do_pwritev+0x1a0/0x1a0
[   21.187077]  [<ffffffff838b01bc>] ? _raw_spin_unlock+0x2c/0x50
[   21.193019]  [<ffffffff814cde8e>] ? handle_mm_fault+0x6ee/0x2530
[   21.199133]  [<ffffffff814cd7a0>] ? __pmd_alloc+0x410/0x410
[   21.204809]  [<ffffffff81beb0e2>] ? selinux_file_permission+0x82/0x460
[   21.211441]  [<ffffffff815706c3>] compat_readv+0xe3/0x150
[   21.216942]  [<ffffffff81570824>] do_compat_readv+0xf4/0x1d0
[   21.222703]  [<ffffffff81570730>] ? compat_readv+0x150/0x150
[   21.228477]  [<ffffffff81572d96>] compat_SyS_readv+0x26/0x30
[   21.234243]  [<ffffffff81572d70>] ? SyS_pwritev2+0x80/0x80
[   21.239834]  [<ffffffff81006fc7>] do_fast_syscall_32+0x2f7/0x890
[   21.245942]  [<ffffffff81003036>] ? trace_hardirqs_off_thunk+0x1a/0x1c
[   21.252582]  [<ffffffff838b2334>] entry_SYSENTER_compat+0x74/0x83
[   21.258786] 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 
[   21.285039] RIP  [<ffffffff8266880c>] sg_read+0xd0c/0x1440
[   21.290745]  RSP <ffff8801cafa7a50>
[   21.294410] ---[ end trace 1a8bfb1993c875c8 ]---
[   21.299226] Kernel panic - not syncing: Fatal exception
[   21.304984] Dumping ftrace buffer:
[   21.308498]    (ftrace buffer empty)
[   21.312173] Kernel Offset: disabled
[   21.315766] Rebooting in 86400 seconds..