[   16.586832] 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: [   21.494750] random: sshd: uninitialized urandom read (32 bytes read, 38 bits of entropy available)
[   21.817262] random: sshd: uninitialized urandom read (32 bytes read, 38 bits of entropy available)
[   22.684025] random: sshd: uninitialized urandom read (32 bytes read, 96 bits of entropy available)
[   22.851830] random: sshd: uninitialized urandom read (32 bytes read, 100 bits of entropy available)
Warning: Permanently added '10.128.15.240' (ECDSA) to the list of known hosts.
[   30.569039] random: sshd: uninitialized urandom read (32 bytes read, 109 bits of entropy available)
executing program
executing program
executing program
[   30.690348] kasan: CONFIG_KASAN_INLINE enabled
[   30.694774] kasan: GPF could be caused by NULL-ptr deref or user memory accessgeneral protection fault: 0000 [#1] PREEMPT SMP KASAN
[   30.708333] Dumping ftrace buffer:
[   30.711842]    (ftrace buffer empty)
[   30.715607] Modules linked in:
[   30.718884] CPU: 0 PID: 3331 Comm: syzkaller586881 Not tainted 4.4.107-g610c835 #4
[   30.726553] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   30.735872] task: ffff8801d19cc740 task.stack: ffff8800b4298000
[   30.741890] RIP: 0010:[<ffffffff825bb1cd>]  [<ffffffff825bb1cd>] sg_read+0xd1d/0x1490
[   30.749937] RSP: 0018:ffff8800b429fa80  EFLAGS: 00010246
[   30.755350] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff825bb194
[   30.762592] RDX: 0000000000000000 RSI: 0000000020692f5a RDI: ffff8801d51f4370
[   30.769830] RBP: ffff8800b429fb88 R08: 0000000000000000 R09: 0000000000000001
[   30.777065] R10: 0000000000000000 R11: 1ffff10016853f16 R12: 00000000000000a6
[   30.784302] R13: 0000000000000000 R14: ffff8801d0fc54e0 R15: ffff8801d51f4340
[   30.791538] FS:  0000000000000000(0000) GS:ffff8801db200000(0063) knlGS:00000000f7773b40
[   30.799728] CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
[   30.805572] CR2: 0000000020692f36 CR3: 00000001d0443000 CR4: 00000000001406f0
[   30.812814] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   30.820050] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   30.827290] Stack:
[   30.829402]  0000000000000002 0000000000000002 ffff8800b429fc40 ffff8801d51f4358
[   30.837351]  0000000041b58ab3 ffff8801d51f4368 00000000000000ca ffff8801d19cc740
[   30.845303]  ffff8801d56cef00 0000000000001000 1ffff10016853f5c 0000000020692f5a
[   30.853272] Call Trace:
[   30.855830]  [<ffffffff825ba4b0>] ? sg_proc_seq_show_debug+0xd30/0xd30
[   30.862465]  [<ffffffff815e90c0>] ? fsnotify+0xee0/0xee0
[   30.867878]  [<ffffffff81d3eee4>] ? iov_iter_advance+0x164/0x4f0
[   30.873993]  [<ffffffff8151b341>] do_loop_readv_writev+0x141/0x1e0
[   30.880276]  [<ffffffff81b443e9>] ? security_file_permission+0x89/0x1e0
[   30.886999]  [<ffffffff825ba4b0>] ? sg_proc_seq_show_debug+0xd30/0xd30
[   30.893633]  [<ffffffff825ba4b0>] ? sg_proc_seq_show_debug+0xd30/0xd30
[   30.900271]  [<ffffffff8151dedf>] compat_do_readv_writev+0x5df/0x6e0
[   30.906732]  [<ffffffff8151d900>] ? vfs_writev+0xb0/0xb0
[   30.912162]  [<ffffffff8157739b>] ? __fget+0x20b/0x3b0
[   30.917410]  [<ffffffff815773c2>] ? __fget+0x232/0x3b0
[   30.922651]  [<ffffffff815771d7>] ? __fget+0x47/0x3b0
[   30.927804]  [<ffffffff8151e0b9>] compat_readv+0xd9/0x140
[   30.933302]  [<ffffffff81520448>] compat_SyS_readv+0xd8/0x1b0
[   30.939148]  [<ffffffff81520370>] ? SyS_pwritev+0x230/0x230
[   30.944824]  [<ffffffff8148979e>] ? vmacache_update+0xfe/0x130
[   30.950762]  [<ffffffff81006b47>] ? do_fast_syscall_32+0xd7/0x890
[   30.957046]  [<ffffffff81520370>] ? SyS_pwritev+0x230/0x230
[   30.962728]  [<ffffffff81006d84>] do_fast_syscall_32+0x314/0x890
[   30.968838]  [<ffffffff837754d7>] sysenter_flags_fixed+0xd/0x17
executing program
[   30.974856] 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 
[   31.001162] RIP  [<ffffffff825bb1cd>] sg_read+0xd1d/0x1490
[   31.006874]  RSP <ffff8800b429fa80>
[   31.010771] ---[ end trace d22f79c519d3c17b ]---
[   31.015517] Kernel panic - not syncing: Fatal exception
[   31.020883] Dumping ftrace buffer:
[   31.024399]    (ftrace buffer empty)
[   31.028081] Kernel Offset: disabled
[   31.031679] Rebooting in 86400 seconds..