[   16.653210] random: sshd: uninitialized urandom read (32 bytes read, 32 bits of entropy available)
[....] 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

syzkaller login: [   20.883628] random: sshd: uninitialized urandom read (32 bytes read, 37 bits of entropy available)
[   21.224795] random: sshd: uninitialized urandom read (32 bytes read, 38 bits of entropy available)
[   21.943577] random: sshd: uninitialized urandom read (32 bytes read, 80 bits of entropy available)
[   22.112883] random: sshd: uninitialized urandom read (32 bytes read, 85 bits of entropy available)
Warning: Permanently added '10.128.15.194' (ECDSA) to the list of known hosts.
[   27.495945] random: sshd: uninitialized urandom read (32 bytes read, 92 bits of entropy available)
executing program
[   27.590223] sg_write: data in/out 327644/96 bytes for SCSI command 0x0-- guessing data in;
[   27.590223]    program syzkaller842653 not setting count and/or reply_len properly
[   27.610805] kasan: CONFIG_KASAN_INLINE enabled
[   27.615204] kasan: GPF could be caused by NULL-ptr deref or user memory accessgeneral protection fault: 0000 [#1] PREEMPT SMP KASAN
[   27.628829] Dumping ftrace buffer:
[   27.632337]    (ftrace buffer empty)
[   27.636015] Modules linked in:
[   27.639289] CPU: 0 PID: 3320 Comm: syzkaller842653 Not tainted 4.4.107-g610c835 #4
[   27.646970] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   27.656302] task: ffff8801d1c7af80 task.stack: ffff8800b4be0000
[   27.662324] RIP: 0010:[<ffffffff825bb1cd>]  [<ffffffff825bb1cd>] sg_read+0xd1d/0x1490
[   27.670377] RSP: 0018:ffff8800b4be7a80  EFLAGS: 00010246
[   27.675788] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff825bb194
[   27.683806] RDX: 0000000000000000 RSI: 0000000020ce2024 RDI: ffff8801d0ec8170
[   27.691041] RBP: ffff8800b4be7b88 R08: 0000000000000000 R09: 0000000000000001
[   27.698285] R10: 0000000000000000 R11: 1ffff1001697cf16 R12: 000000000000002b
[   27.705522] R13: 0000000000000000 R14: ffff8800b52e96c0 R15: ffff8801d0ec8140
[   27.712759] FS:  0000000000000000(0000) GS:ffff8801db200000(0063) knlGS:0000000008ffe840
[   27.720958] CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
[   27.726803] CR2: 0000000020ce2000 CR3: 00000000b4a4e000 CR4: 00000000001406f0
[   27.734050] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   27.741284] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   27.748516] Stack:
[   27.750630]  ffffffff825c44c0 0000000000000022 0005000000018400 ffff8801d0ec8158
[   27.758572]  0000000080fe007f ffff8801d0ec8168 000000000000004f 00000000c454cd53
[   27.766532]  ffff8800b7e96280 0000000000001000 1ffff1001697cf5c 0000000020ce2024
[   27.774487] Call Trace:
[   27.777040]  [<ffffffff825c44c0>] ? sg_ioctl+0x2c20/0x2c20
[   27.782629]  [<ffffffff825ba4b0>] ? sg_proc_seq_show_debug+0xd30/0xd30
[   27.789269]  [<ffffffff815e90c0>] ? fsnotify+0xee0/0xee0
[   27.794685]  [<ffffffff81b4d4f9>] ? avc_policy_seqno+0x9/0x20
[   27.800539]  [<ffffffff8151b341>] do_loop_readv_writev+0x141/0x1e0
[   27.806820]  [<ffffffff81b443e9>] ? security_file_permission+0x89/0x1e0
[   27.813539]  [<ffffffff825ba4b0>] ? sg_proc_seq_show_debug+0xd30/0xd30
[   27.820170]  [<ffffffff825ba4b0>] ? sg_proc_seq_show_debug+0xd30/0xd30
[   27.826819]  [<ffffffff8151dedf>] compat_do_readv_writev+0x5df/0x6e0
[   27.833278]  [<ffffffff8151d900>] ? vfs_writev+0xb0/0xb0
[   27.838692]  [<ffffffff8151aebb>] ? __vfs_write+0x10b/0x450
[   27.844368]  [<ffffffff8377322c>] ? _raw_spin_unlock+0x2c/0x50
[   27.850315]  [<ffffffff81b4d4f9>] ? avc_policy_seqno+0x9/0x20
[   27.856172]  [<ffffffff81b5ebe8>] ? selinux_file_permission+0x348/0x460
[   27.862891]  [<ffffffff81b443e9>] ? security_file_permission+0x89/0x1e0
[   27.869613]  [<ffffffff8151c600>] ? rw_verify_area+0x100/0x2f0
[   27.875550]  [<ffffffff8151e0b9>] compat_readv+0xd9/0x140
[   27.881052]  [<ffffffff81520448>] compat_SyS_readv+0xd8/0x1b0
[   27.886909]  [<ffffffff81520370>] ? SyS_pwritev+0x230/0x230
[   27.892584]  [<ffffffff81006b47>] ? do_fast_syscall_32+0xd7/0x890
[   27.898784]  [<ffffffff81520370>] ? SyS_pwritev+0x230/0x230
[   27.904458]  [<ffffffff81006d84>] do_fast_syscall_32+0x314/0x890
[   27.910569]  [<ffffffff837754d7>] sysenter_flags_fixed+0xd/0x17
[   27.916589] Code: 00 00 00 00 00 fc ff df 48 c1 ea 03 80 3c 02 00 0f 85 97 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 6b 06 00 00 48 8b 1b 48 85 db 0f 84 3b 03 00 
[   27.942935] RIP  [<ffffffff825bb1cd>] sg_read+0xd1d/0x1490
[   27.948636]  RSP <ffff8800b4be7a80>
[   27.952317] ---[ end trace ed3a36effd2a2d40 ]---
[   27.957055] Kernel panic - not syncing: Fatal exception
[   27.962860] Dumping ftrace buffer:
[   27.966395]    (ftrace buffer empty)
[   27.970073] Kernel Offset: disabled
[   27.973666] Rebooting in 86400 seconds..