[....] Starting enhanced syslogd: rsyslogd[   13.201763] audit: type=1400 audit(1520798920.358:4): avc:  denied  { syslog } for  pid=3654 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 '10.128.0.31' (ECDSA) to the list of known hosts.
2018/03/11 20:08:58 parsed 1 programs
2018/03/11 20:08:58 executed programs: 0
syzkaller login: [   30.947461] IPVS: Creating netns size=2536 id=1
2018/03/11 20:09:03 executed programs: 287
[   38.793258] kasan: CONFIG_KASAN_INLINE enabled
[   38.797893] kasan: GPF could be caused by NULL-ptr deref or user memory access
[   38.805311] general protection fault: 0000 [#1] PREEMPT SMP KASAN
[   38.811524] Dumping ftrace buffer:
[   38.815035]    (ftrace buffer empty)
[   38.818714] Modules linked in:
[   38.821993] CPU: 1 PID: 5173 Comm: syz-executor0 Not tainted 4.9.87-ga290494 #1
[   38.829407] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   38.838730] task: ffff8801d8458000 task.stack: ffff8801d7780000
[   38.844753] RIP: 0010:[<ffffffff8266928b>]  [<ffffffff8266928b>] sg_remove_scat.isra.19+0x17b/0x2d0
[   38.854030] RSP: 0018:ffff8801d7787ac0  EFLAGS: 00010202
[   38.859445] RAX: 1ffff1003a60e86d RBX: ffff8801d3074358 RCX: 0000000000000001
[   38.866683] RDX: 0000000000000008 RSI: 0000000000000000 RDI: ffff8801cfdd4af4
[   38.873923] RBP: ffff8801d7787b10 R08: 0000000000000000 R09: ffffed003a78b435
[   38.881161] R10: 0000000000000005 R11: ffffed003a78b434 R12: 0000000000000001
[   38.888399] R13: 0000000000000008 R14: 0000000000000000 R15: dffffc0000000000
[   38.895641] FS:  0000000000000000(0000) GS:ffff8801db300000(0063) knlGS:00000000f77bab40
[   38.903833] CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
[   38.909683] CR2: 00000000f77badb0 CR3: 00000001b6ede000 CR4: 0000000000160670
[   38.916926] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   38.924164] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   38.931401] Stack:
[   38.933519]  ffff8801d3074370 ffffed003a60e86b ffffed003a60e86e ffff8801d3074368
[   38.941489]  ffff8801cfdd4ad8 ffff8801d3074340 0000000000000000 0000000000000000
[   38.949456]  0000000000000000 ffff8801d3074438 ffff8801d7787b50 ffffffff82669695
[   38.957433] Call Trace:
[   38.959990]  [<ffffffff82669695>] sg_finish_rem_req+0x2b5/0x340
[   38.966015]  [<ffffffff8266b526>] sg_read+0xa16/0x1440
[   38.971262]  [<ffffffff8123c7c9>] ? __lock_acquire+0x629/0x3640
[   38.977285]  [<ffffffff8266ab10>] ? sg_proc_seq_show_debug+0xd90/0xd90
[   38.983918]  [<ffffffff8123c1a0>] ? debug_check_no_locks_freed+0x2c0/0x2c0
[   38.990899]  [<ffffffff8123c1a0>] ? debug_check_no_locks_freed+0x2c0/0x2c0
[   38.997889]  [<ffffffff8266ab10>] ? sg_proc_seq_show_debug+0xd90/0xd90
[   39.004526]  [<ffffffff8156c2e3>] __vfs_read+0x103/0x670
[   39.009945]  [<ffffffff8156c1e0>] ? default_llseek+0x290/0x290
[   39.015884]  [<ffffffff81643c86>] ? fsnotify+0x86/0xf30
[   39.021216]  [<ffffffff81644b30>] ? fsnotify+0xf30/0xf30
[   39.026636]  [<ffffffff81bdc9a9>] ? avc_policy_seqno+0x9/0x20
[   39.032488]  [<ffffffff81bed2f2>] ? selinux_file_permission+0x82/0x460
[   39.039121]  [<ffffffff81bd3a69>] ? security_file_permission+0x89/0x1e0
[   39.045841]  [<ffffffff8156ff15>] ? rw_verify_area+0xe5/0x2b0
[   39.051693]  [<ffffffff815701fe>] vfs_read+0x11e/0x380
[   39.056937]  [<ffffffff81573ef9>] SyS_read+0xd9/0x1b0
[   39.062094]  [<ffffffff81573e20>] ? vfs_copy_file_range+0x740/0x740
[   39.068465]  [<ffffffff8167d56c>] ? compat_SyS_ioctl+0x8c/0x2050
[   39.074580]  [<ffffffff81006d6f>] ? do_fast_syscall_32+0xcf/0x870
[   39.080779]  [<ffffffff81573e20>] ? vfs_copy_file_range+0x740/0x740
[   39.087153]  [<ffffffff81006f95>] do_fast_syscall_32+0x2f5/0x870
[   39.093273]  [<ffffffff81003036>] ? trace_hardirqs_off_thunk+0x1a/0x1c
[   39.099909]  [<ffffffff838b8250>] entry_SYSENTER_compat+0x90/0xa2
[   39.106105] Code: 45 b8 eb 3e e8 27 24 d0 fe 48 8b 45 c8 48 c1 e8 03 42 80 3c 38 00 0f 85 3a 01 00 00 4c 8b 73 10 4b 8d 14 2e 48 89 d1 48 c1 e9 03 <42> 80 3c 39 00 0f 85 0b 01 00 00 48 8b 12 49 83 c5 08 48 85 d2 
[   39.132722] RIP  [<ffffffff8266928b>] sg_remove_scat.isra.19+0x17b/0x2d0
[   39.139647]  RSP <ffff8801d7787ac0>
[   39.143463] ---[ end trace 13ba0c96505234b1 ]---
[   39.148190] Kernel panic - not syncing: Fatal exception
[   39.153866] Dumping ftrace buffer:
[   39.157380]    (ftrace buffer empty)
[   39.161062] Kernel Offset: disabled
[   39.164660] Rebooting in 86400 seconds..