[   16.585856] random: sshd: uninitialized urandom read (32 bytes read, 32 bits of entropy available)
[....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c.
[....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c.

Debian GNU/Linux 7 syzkaller ttyS0

syzkaller login: [   21.630140] random: sshd: uninitialized urandom read (32 bytes read, 38 bits of entropy available)
[   21.965482] random: sshd: uninitialized urandom read (32 bytes read, 38 bits of entropy available)
[   22.814309] random: sshd: uninitialized urandom read (32 bytes read, 103 bits of entropy available)
[   24.558899] random: sshd: uninitialized urandom read (32 bytes read, 110 bits of entropy available)
Warning: Permanently added '10.128.15.193' (ECDSA) to the list of known hosts.
[   29.942160] random: sshd: uninitialized urandom read (32 bytes read, 117 bits of entropy available)
executing program
[   30.034366] sg_write: data in/out 1562545400/3 bytes for SCSI command 0x0-- guessing data in;
[   30.034366]    program syzkaller019734 not setting count and/or reply_len properly
[   30.053208] kasan: CONFIG_KASAN_INLINE enabled
[   30.057645] kasan: GPF could be caused by NULL-ptr deref or user memory accessgeneral protection fault: 0000 [#1] PREEMPT SMP KASAN
[   30.070758] Dumping ftrace buffer:
[   30.074260]    (ftrace buffer empty)
[   30.077934] Modules linked in:
[   30.081204] CPU: 0 PID: 3316 Comm: syzkaller019734 Not tainted 4.4.107-g610c835 #12
[   30.088957] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   30.098282] task: ffff8800b5b94740 task.stack: ffff8800b4a28000
[   30.104306] RIP: 0010:[<ffffffff825bb1cd>]  [<ffffffff825bb1cd>] sg_read+0xd1d/0x1490
[   30.112359] RSP: 0018:ffff8800b4a2fb00  EFLAGS: 00010246
[   30.117770] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff825bb194
[   30.125004] RDX: 0000000000000000 RSI: 0000000020563024 RDI: ffff8800b4090170
[   30.132244] RBP: ffff8800b4a2fc08 R08: 0000000000000000 R09: 0000000000000001
[   30.139478] R10: 0000000000000000 R11: 1ffff10016945f26 R12: 0000000000000fdc
[   30.146715] R13: 0000000000000000 R14: ffff8801d09539c0 R15: ffff8800b4090140
[   30.153962] FS:  0000000002230880(0063) GS:ffff8801db200000(0000) knlGS:0000000000000000
[   30.162151] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.167998] CR2: 0000000020563000 CR3: 00000000b64ea000 CR4: 00000000001406f0
[   30.175245] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   30.182480] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   30.189717] Stack:
[   30.191828]  0000000000000000 000077ff80000000 ffff8800b4a2fb60 ffff8800b4090158
[   30.199767]  0000000000000008 ffff8800b4090168 0000000000001000 0000000000000001
[   30.207711]  ffff8801d5649680 0000000000001000 1ffff10016945f6c 0000000020563024
[   30.215650] Call Trace:
[   30.218206]  [<ffffffff825ba4b0>] ? sg_proc_seq_show_debug+0xd30/0xd30
[   30.224843]  [<ffffffff815e90c0>] ? fsnotify+0xee0/0xee0
[   30.230260]  [<ffffffff81b4d4f9>] ? avc_policy_seqno+0x9/0x20
[   30.236113]  [<ffffffff8151b341>] do_loop_readv_writev+0x141/0x1e0
[   30.242400]  [<ffffffff81b443e9>] ? security_file_permission+0x89/0x1e0
[   30.249118]  [<ffffffff825ba4b0>] ? sg_proc_seq_show_debug+0xd30/0xd30
[   30.255754]  [<ffffffff825ba4b0>] ? sg_proc_seq_show_debug+0xd30/0xd30
[   30.262394]  [<ffffffff8151d69d>] do_readv_writev+0x5dd/0x6e0
[   30.268255]  [<ffffffff8151d0c0>] ? vfs_write+0x530/0x530
[   30.273765]  [<ffffffff8377322c>] ? _raw_spin_unlock+0x2c/0x50
[   30.279707]  [<ffffffff8150bc5d>] ? do_huge_pmd_anonymous_page+0x3dd/0xa10
[   30.286693]  [<ffffffff8149e232>] ? handle_mm_fault+0x3f2/0x3190
[   30.292802]  [<ffffffff81233a2b>] ? trace_hardirqs_on_caller+0x38b/0x590
[   30.299607]  [<ffffffff81b4d4f9>] ? avc_policy_seqno+0x9/0x20
[   30.305457]  [<ffffffff81b5ebe8>] ? selinux_file_permission+0x348/0x460
[   30.312174]  [<ffffffff8151d818>] vfs_readv+0x78/0xb0
[   30.317331]  [<ffffffff8151fb69>] SyS_readv+0xd9/0x240
[   30.322573]  [<ffffffff8151fa90>] ? rw_copy_check_uvector+0x2d0/0x2d0
[   30.329119]  [<ffffffff81003017>] ? trace_hardirqs_on_thunk+0x17/0x19
[   30.335663]  [<ffffffff83773d36>] entry_SYSCALL_64_fastpath+0x16/0x76
[   30.342202] 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 
[   30.368488] RIP  [<ffffffff825bb1cd>] sg_read+0xd1d/0x1490
[   30.374196]  RSP <ffff8800b4a2fb00>
[   30.378035] ---[ end trace 4ac72016a9fad152 ]---
[   30.382763] Kernel panic - not syncing: Fatal exception
[   30.388601] Dumping ftrace buffer:
[   30.392112]    (ftrace buffer empty)
[   30.395793] Kernel Offset: disabled
[   30.399384] Rebooting in 86400 seconds..