[....] Starting file context maintaining daemon: restorecond[?25l[?1c7[[[   16.260985] random: sshd: uninitialized urandom read (32 bytes read, 32 bits of entropy available)
32m ok 8[?25h[?0c.
[....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c.

Debian GNU/Linux 7 syzkaller ttyS0

syzkaller login: [   22.472826] random: sshd: uninitialized urandom read (32 bytes read, 40 bits of entropy available)
[   22.790822] random: sshd: uninitialized urandom read (32 bytes read, 40 bits of entropy available)
[   23.630579] random: sshd: uninitialized urandom read (32 bytes read, 105 bits of entropy available)
[   23.800030] random: sshd: uninitialized urandom read (32 bytes read, 109 bits of entropy available)
Warning: Permanently added '10.128.0.48' (ECDSA) to the list of known hosts.
[   29.172212] random: sshd: uninitialized urandom read (32 bytes read, 116 bits of entropy available)
executing program
[   29.277701] sg_write: data in/out 1562545400/3 bytes for SCSI command 0x0-- guessing data in;
[   29.277701]    program syzkaller917225 not setting count and/or reply_len properly
[   29.296568] kasan: CONFIG_KASAN_INLINE enabled
[   29.300995] kasan: GPF could be caused by NULL-ptr deref or user memory accessgeneral protection fault: 0000 [#1] PREEMPT SMP KASAN
[   29.313843] Dumping ftrace buffer:
[   29.317346]    (ftrace buffer empty)
[   29.321023] Modules linked in:
[   29.324294] CPU: 1 PID: 3318 Comm: syzkaller917225 Not tainted 4.4.107-g610c835 #4
[   29.331964] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   29.341285] task: ffff8800b52fc740 task.stack: ffff8801d1bc0000
[   29.347304] RIP: 0010:[<ffffffff825bb1cd>]  [<ffffffff825bb1cd>] sg_read+0xd1d/0x1490
[   29.355357] RSP: 0018:ffff8801d1bc7a80  EFLAGS: 00010246
[   29.360771] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff825bb194
[   29.368006] RDX: 0000000000000000 RSI: 0000000020563024 RDI: ffff8801d28aa270
[   29.375243] RBP: ffff8801d1bc7b88 R08: 0000000000000000 R09: 0000000000000001
[   29.382478] R10: 0000000000000000 R11: 1ffff1003a378f16 R12: 0000000000000fdc
[   29.389719] R13: 0000000000000000 R14: ffff8800b4969480 R15: ffff8801d28aa240
[   29.396958] FS:  0000000000000000(0000) GS:ffff8801db300000(0063) knlGS:0000000008be6840
[   29.405149] CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
[   29.410996] CR2: 0000000020563000 CR3: 00000001d089e000 CR4: 00000000001406e0
[   29.418242] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   29.425478] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   29.432715] Stack:
[   29.434832]  0000000000000002 0000000000000002 ffff8801d1bc7c40 ffff8801d28aa258
[   29.442782]  bcd24aed6a43cc1d ffff8801d28aa268 0000000000001000 00000000c454cd53
[   29.450734]  ffff8800b7e2d180 0000000000001000 1ffff1003a378f5c 0000000020563024
[   29.458684] Call Trace:
[   29.461242]  [<ffffffff825ba4b0>] ? sg_proc_seq_show_debug+0xd30/0xd30
[   29.467872]  [<ffffffff815e90c0>] ? fsnotify+0xee0/0xee0
[   29.473290]  [<ffffffff81b4d4f9>] ? avc_policy_seqno+0x9/0x20
[   29.479142]  [<ffffffff8151b341>] do_loop_readv_writev+0x141/0x1e0
[   29.485424]  [<ffffffff81b443e9>] ? security_file_permission+0x89/0x1e0
[   29.492149]  [<ffffffff825ba4b0>] ? sg_proc_seq_show_debug+0xd30/0xd30
[   29.498781]  [<ffffffff825ba4b0>] ? sg_proc_seq_show_debug+0xd30/0xd30
[   29.505412]  [<ffffffff8151dedf>] compat_do_readv_writev+0x5df/0x6e0
[   29.511870]  [<ffffffff8151d900>] ? vfs_writev+0xb0/0xb0
[   29.517286]  [<ffffffff8377322c>] ? _raw_spin_unlock+0x2c/0x50
[   29.523227]  [<ffffffff8149e232>] ? handle_mm_fault+0x3f2/0x3190
[   29.529339]  [<ffffffff81b443e9>] ? security_file_permission+0x89/0x1e0
[   29.536060]  [<ffffffff8151c600>] ? rw_verify_area+0x100/0x2f0
[   29.541997]  [<ffffffff8151e0b9>] compat_readv+0xd9/0x140
[   29.547500]  [<ffffffff81520448>] compat_SyS_readv+0xd8/0x1b0
[   29.553348]  [<ffffffff81520370>] ? SyS_pwritev+0x230/0x230
[   29.559026]  [<ffffffff81006b47>] ? do_fast_syscall_32+0xd7/0x890
[   29.565221]  [<ffffffff81520370>] ? SyS_pwritev+0x230/0x230
[   29.570895]  [<ffffffff81006d84>] do_fast_syscall_32+0x314/0x890
[   29.577006]  [<ffffffff837754d7>] sysenter_flags_fixed+0xd/0x17
[   29.583026] 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 
[   29.609352] RIP  [<ffffffff825bb1cd>] sg_read+0xd1d/0x1490
[   29.615061]  RSP <ffff8801d1bc7a80>
[   29.618745] ---[ end trace 7a0805966c24939a ]---
[   29.623481] Kernel panic - not syncing: Fatal exception
[   29.629216] Dumping ftrace buffer:
[   29.632731]    (ftrace buffer empty)
[   29.636407] Kernel Offset: disabled
[   29.639999] Rebooting in 86400 seconds..