[....] 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[   10.611257] random: sshd: uninitialized urandom read (32 bytes read)
[?25l[?1c7[ ok 8[?25h[?0c.
[   11.340926] random: crng init done

Debian GNU/Linux 7 syzkaller ttyS0

Warning: Permanently added '10.128.1.45' (ECDSA) to the list of known hosts.
2019/09/14 16:15:28 parsed 1 programs
2019/09/14 16:15:29 executed programs: 0
syzkaller login: [   36.667903] audit: type=1400 audit(1568477730.221:5): avc:  denied  { associate } for  pid=2070 comm="syz-executor.0" name="syz0" scontext=unconfined_u:object_r:unlabeled_t:s0 tcontext=system_u:object_r:unlabeled_t:s0 tclass=filesystem permissive=1
[   37.211038] ------------[ cut here ]------------
[   37.216122] WARNING: CPU: 0 PID: 2239 at net/ipv4/tcp.c:2193 tcp_close+0xd1e/0x10b0
[   37.223940] Kernel panic - not syncing: panic_on_warn set ...
[   37.223940] 
[   37.231310] CPU: 0 PID: 2239 Comm: syz-executor.0 Not tainted 4.9.192+ #0
[   37.238238]  ffff8801cb207b90 ffffffff81b67081 0000000000000000 ffffffff82a3b340
[   37.246254]  00000000ffffffff 0000000000000000 0000000000000009 ffff8801cb207c70
[   37.254283]  ffffffff813fefda 0000000041b58ab3 ffffffff82e32ec5 ffffffff813fee01
[   37.262293] Call Trace:
[   37.264869]  [<000000008b6dc5d4>] dump_stack+0xc1/0x120
[   37.270405]  [<000000000a8a4d97>] panic+0x1d9/0x3bd
[   37.275413]  [<000000006eff4cac>] ? add_taint.cold+0x16/0x16
[   37.281211]  [<0000000093aca2cc>] ? release_sock+0x20/0x1c0
[   37.286905]  [<00000000f1059e0e>] ? __warn.cold+0x14/0x2f
[   37.292423]  [<00000000da4f1a18>] ? tcp_close+0xd1e/0x10b0
[   37.298024]  [<000000007646c4a5>] __warn.cold+0x2f/0x2f
[   37.303503]  [<0000000065c04dbd>] warn_slowpath_null+0x2d/0x40
[   37.309468]  [<00000000da4f1a18>] tcp_close+0xd1e/0x10b0
[   37.314914]  [<00000000f916d879>] ? ip_mc_drop_socket+0x1d6/0x230
[   37.321130]  [<0000000088c61fa8>] inet_release+0xf2/0x1c0
[   37.326662]  [<000000002f6d2d13>] inet6_release+0x53/0x80
[   37.332177]  [<0000000010383619>] __sock_release+0xd3/0x2c0
[   37.337867]  [<0000000093e2ca37>] ? __sock_release+0x2c0/0x2c0
[   37.343821]  [<000000007c97882d>] sock_close+0x1b/0x30
[   37.349079]  [<00000000cfc734c3>] __fput+0x274/0x720
[   37.354159]  [<00000000709f4c98>] ____fput+0x16/0x20
[   37.359241]  [<000000000546d0c0>] task_work_run+0x108/0x180
[   37.365075]  [<000000005efd33dc>] exit_to_usermode_loop+0x13b/0x160
[   37.371474]  [<000000007fc2b08d>] do_syscall_64+0x3ab/0x5c0
[   37.377174]  [<00000000ca7c1df1>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb
[   37.384964] Kernel Offset: disabled
[   37.388686] Rebooting in 86400 seconds..