[....] Starting OpenBSD Secure Shell server: sshd[   11.727919] random: sshd: uninitialized urandom read (32 bytes read)
[?25l[?1c7[ ok 8[?25h[?0c.

Debian GNU/Linux 7 syzkaller ttyS0

syzkaller login: [   38.247051] random: sshd: uninitialized urandom read (32 bytes read)
[   38.521275] audit: type=1400 audit(1540182280.982:6): avc:  denied  { map } for  pid=1773 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
[   38.565497] random: sshd: uninitialized urandom read (32 bytes read)
[   38.979328] random: sshd: uninitialized urandom read (32 bytes read)
[   97.600192] random: sshd: uninitialized urandom read (32 bytes read)
Warning: Permanently added '10.128.0.32' (ECDSA) to the list of known hosts.
[  103.129491] random: sshd: uninitialized urandom read (32 bytes read)
[  103.220231] audit: type=1400 audit(1540182345.672:7): avc:  denied  { map } for  pid=1827 comm="syz-execprog" path="/root/syz-execprog" dev="sda1" ino=1426 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1
2018/10/22 04:25:46 parsed 1 programs
[  103.725760] audit: type=1400 audit(1540182346.182:8): avc:  denied  { map } for  pid=1827 comm="syz-execprog" path="/sys/kernel/debug/kcov" dev="debugfs" ino=4999 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:debugfs_t:s0 tclass=file permissive=1
[  104.278091] random: cc1: uninitialized urandom read (8 bytes read)
2018/10/22 04:25:47 executed programs: 0
[  105.327931] audit: type=1400 audit(1540182347.782:9): avc:  denied  { map } for  pid=1827 comm="syz-execprog" path="/root/syzkaller-shm065253303" dev="sda1" ino=16482 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:file_t:s0 tclass=file permissive=1
2018/10/22 04:25:53 executed programs: 6

INIT: Id "3" respawning too fast: disabled for 5 minutes

INIT: Id "1" respawning too fast: disabled for 5 minutes

INIT: Id "6" respawning too fast: disabled for 5 minutes

INIT: Id "2" respawning too fast: disabled for 5 minutes

INIT: Id "4" respawning too fast: disabled for 5 minutes

INIT: Id "5" respawning too fast: disabled for 5 minutes
[  114.640463] kasan: CONFIG_KASAN_INLINE enabled
[  114.645186] kasan: GPF could be caused by NULL-ptr deref or user memory access
[  114.652895] general protection fault: 0000 [#1] PREEMPT SMP KASAN NOPTI
[  114.659645] Modules linked in:
[  114.662818] CPU: 1 PID: 4664 Comm: blkid Not tainted 4.14.78+ #22
[  114.669025] task: ffff8801c1189780 task.stack: ffff8801d2568000
[  114.675063] RIP: 0010:bd_set_size+0x58/0x320
[  114.679755] RSP: 0018:ffff8801d256fc78 EFLAGS: 00010202
[  114.685096] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 1ffff100382313f5
[  114.692356] RDX: 00000000000000a7 RSI: 0000000000000000 RDI: 0000000000000538
[  114.699615] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffffffa0ec7021
[  114.706861] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801ca403980
[  114.714109] R13: ffff8801ca403980 R14: ffff8801cf2197c8 R15: ffff8801cf2199a8
[  114.721357] FS:  00007f7911f38740(0000) GS:ffff8801d7700000(0000) knlGS:0000000000000000
[  114.729560] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  114.735419] CR2: 00007fbc1c30ca20 CR3: 00000001d651e002 CR4: 00000000001606a0
[  114.742671] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  114.749917] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  114.757190] Call Trace:
[  114.759770]  loop_clr_fd+0x465/0xac0
[  114.763462]  ? lo_compat_ioctl+0x130/0x130
[  114.767673]  lo_release+0xfd/0x190
[  114.771193]  __blkdev_put+0x526/0x6e0
[  114.774972]  ? bd_set_size+0x320/0x320
[  114.778840]  ? locks_remove_file+0x2de/0x450
[  114.783228]  ? blkdev_put+0x4d0/0x4d0
[  114.787003]  ? blkdev_put+0x75/0x4d0
[  114.790712]  ? blkdev_put+0x4d0/0x4d0
[  114.794497]  blkdev_close+0x86/0xb0
[  114.798124]  __fput+0x25e/0x6f0
[  114.801384]  task_work_run+0x116/0x190
[  114.805254]  exit_to_usermode_loop+0x12e/0x150
[  114.809815]  do_syscall_64+0x35d/0x4b0
[  114.813692]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
[  114.818860] RIP: 0033:0x7f79118402b0
[  114.822549] RSP: 002b:00007ffe255b9cd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000003
[  114.830233] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f79118402b0
[  114.837484] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003
[  114.844751] RBP: 0000000000000000 R08: 0000000000000028 R09: 0000000001680000
[  114.852039] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000173e030
[  114.859290] R13: 0000000000000000 R14: 0000000000000003 R15: 0000000000000005
[  114.866544] Code: 03 80 3c 02 00 0f 85 a4 02 00 00 49 8b 9c 24 e0 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 8d bb 38 05 00 00 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 70 02 00 00 4d 8d 6c 24 08 48 8b 9b 38 05 00 
[  114.885653] RIP: bd_set_size+0x58/0x320 RSP: ffff8801d256fc78
[  114.892688] ---[ end trace cd68a9b0e7eb37f7 ]---
[  114.897479] Kernel panic - not syncing: Fatal exception
[  114.903159] Kernel Offset: 0x1f800000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff)
[  114.914082] Rebooting in 86400 seconds..