[....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c.

Debian GNU/Linux 7 syzkaller ttyS0

syzkaller login: [   33.412041] random: sshd: uninitialized urandom read (32 bytes read)
[   33.789619] kauditd_printk_skb: 9 callbacks suppressed
[   33.789626] audit: type=1400 audit(1572784941.255:35): avc:  denied  { map } for  pid=6846 comm="bash" path="/bin/bash" dev="sda1" ino=1457 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1
[   33.843214] random: sshd: uninitialized urandom read (32 bytes read)
[   34.377275] random: sshd: uninitialized urandom read (32 bytes read)
[   34.548410] random: sshd: uninitialized urandom read (32 bytes read)
Warning: Permanently added '10.128.0.215' (ECDSA) to the list of known hosts.
[   40.105220] random: sshd: uninitialized urandom read (32 bytes read)
executing program
[   40.218886] audit: type=1400 audit(1572784947.685:36): avc:  denied  { map } for  pid=6859 comm="syz-executor633" path="/root/syz-executor633628728" dev="sda1" ino=16484 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1
[   40.221391] BUG: unable to handle kernel NULL pointer dereference at           (null)
[   40.253118] IP:           (null)
[   40.256458] PGD 9f1a1067 P4D 9f1a1067 PUD 964a0067 PMD 0 
[   40.261978] Oops: 0010 [#1] PREEMPT SMP KASAN
[   40.266446] Modules linked in:
[   40.269616] CPU: 0 PID: 6859 Comm: syz-executor633 Not tainted 4.14.151 #0
[   40.276600] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   40.285929] task: ffff888096b68340 task.stack: ffff888080f78000
[   40.291961] RIP: 0010:          (null)
[   40.295819] RSP: 0018:ffff888080f7fd48 EFLAGS: 00010246
[   40.301155] RAX: dffffc0000000000 RBX: ffffffff88151060 RCX: 1ffff11012d6d17c
[   40.308401] RDX: 1ffffffff102a223 RSI: 0000000000000000 RDI: ffff8880a6985800
[   40.315645] RBP: ffff888080f7fd68 R08: 0000000000000001 R09: ffff888096b68be0
[   40.322890] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880a6985800
[   40.330137] R13: ffff8880a698580e R14: 000000000000001c R15: 0000000000000002
[   40.337382] FS:  0000000000b8f880(0000) GS:ffff8880aee00000(0000) knlGS:0000000000000000
[   40.345579] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   40.351434] CR2: 0000000000000000 CR3: 0000000096f57000 CR4: 00000000001406f0
[   40.358680] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   40.365939] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   40.373184] Call Trace:
[   40.375752]  inet_autobind+0xae/0x180
[   40.379531]  inet_dgram_connect+0x136/0x1e0
[   40.383846]  SYSC_connect+0x1f6/0x2d0
[   40.387619]  ? SYSC_bind+0x220/0x220
[   40.391311]  ? up_read+0x1a/0x40
[   40.394652]  ? __do_page_fault+0x358/0xb80
[   40.398863]  SyS_connect+0x24/0x30
[   40.402377]  ? SyS_accept+0x30/0x30
[   40.405983]  do_syscall_64+0x1e8/0x640
[   40.409848]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   40.414665]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
[   40.419913] RIP: 0033:0x440179
[   40.423078] RSP: 002b:00007ffdec0d7fe8 EFLAGS: 00000246 ORIG_RAX: 000000000000002a
[   40.430759] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 0000000000440179
[   40.438003] RDX: 000000000000001c RSI: 0000000020d83fe4 RDI: 0000000000000003
[   40.445248] RBP: 00000000006ca018 R08: 0000000000000000 R09: 00000000004002c8
[   40.452492] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000401a00
[   40.459751] R13: 0000000000401a90 R14: 0000000000000000 R15: 0000000000000000
[   40.467007] Code:  Bad RIP value.
[   40.470466] RIP:           (null) RSP: ffff888080f7fd48
[   40.475816] CR2: 0000000000000000
[   40.479456] ---[ end trace c1f17591adb2902c ]---
[   40.484240] Kernel panic - not syncing: Fatal exception
[   40.490738] Kernel Offset: disabled
[   40.494359] Rebooting in 86400 seconds..