[   16.728906] random: sshd: uninitialized urandom read (32 bytes read, 34 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: [   21.442721] random: sshd: uninitialized urandom read (32 bytes read, 39 bits of entropy available)
[   21.749033] random: sshd: uninitialized urandom read (32 bytes read, 39 bits of entropy available)
[   22.508300] random: sshd: uninitialized urandom read (32 bytes read, 94 bits of entropy available)
[   22.683213] random: sshd: uninitialized urandom read (32 bytes read, 99 bits of entropy available)
Warning: Permanently added '10.128.15.232' (ECDSA) to the list of known hosts.
[   28.088686] random: sshd: uninitialized urandom read (32 bytes read, 107 bits of entropy available)
executing program
[   28.180825] sg_write: data in/out 2127708969/3 bytes for SCSI command 0xe3-- guessing data in;
[   28.180825]    program syzkaller141495 not setting count and/or reply_len properly
[   28.199368] kasan: CONFIG_KASAN_INLINE enabled
[   28.203782] kasan: GPF could be caused by NULL-ptr deref or user memory accessgeneral protection fault: 0000 [#1] PREEMPT SMP KASAN
[   28.216637] Dumping ftrace buffer:
[   28.220153]    (ftrace buffer empty)
[   28.223849] Modules linked in:
[   28.227129] CPU: 0 PID: 3322 Comm: syzkaller141495 Not tainted 4.4.107-g610c835 #12
[   28.234886] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   28.244205] task: ffff8801d2bf0000 task.stack: ffff8801d51c8000
[   28.250225] RIP: 0010:[<ffffffff825bb1cd>]  [<ffffffff825bb1cd>] sg_read+0xd1d/0x1490
[   28.258278] RSP: 0018:ffff8801d51cfb00  EFLAGS: 00010246
[   28.263690] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff825bb194
[   28.270924] RDX: 0000000000000000 RSI: 0000000020477024 RDI: ffff8800b49fa270
[   28.278167] RBP: ffff8801d51cfc08 R08: 0000000000000000 R09: 0000000000000001
[   28.285405] R10: 0000000000000000 R11: 1ffff1003aa39f26 R12: 0000000000000012
[   28.292640] R13: 0000000000000000 R14: ffff8801d1022ba0 R15: ffff8800b49fa240
[   28.299876] FS:  000000000224e880(0063) GS:ffff8801db200000(0000) knlGS:0000000000000000
[   28.308065] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   28.313914] CR2: 0000000020477000 CR3: 00000001d0f31000 CR4: 00000000001406f0
[   28.321162] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   28.328398] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   28.335637] Stack:
[   28.337752]  0000000000000000 000077ff80000000 ffff8801d51cfb60 ffff8800b49fa258
[   28.345738]  0000000000000008 ffff8800b49fa268 0000000000000036 0000000000000001
[   28.353706]  ffff8800b7e36f00 0000000000001000 1ffff1003aa39f6c 0000000020477024
[   28.361688] Call Trace:
[   28.364250]  [<ffffffff825ba4b0>] ? sg_proc_seq_show_debug+0xd30/0xd30
[   28.370880]  [<ffffffff815e90c0>] ? fsnotify+0xee0/0xee0
[   28.376320]  [<ffffffff81b4d4f9>] ? avc_policy_seqno+0x9/0x20
[   28.382172]  [<ffffffff8151b341>] do_loop_readv_writev+0x141/0x1e0
[   28.388456]  [<ffffffff81b443e9>] ? security_file_permission+0x89/0x1e0
[   28.395173]  [<ffffffff825ba4b0>] ? sg_proc_seq_show_debug+0xd30/0xd30
[   28.401805]  [<ffffffff825ba4b0>] ? sg_proc_seq_show_debug+0xd30/0xd30
[   28.408437]  [<ffffffff8151d69d>] do_readv_writev+0x5dd/0x6e0
[   28.414287]  [<ffffffff8151d0c0>] ? vfs_write+0x530/0x530
[   28.419798]  [<ffffffff8377322c>] ? _raw_spin_unlock+0x2c/0x50
[   28.425736]  [<ffffffff8150bc5d>] ? do_huge_pmd_anonymous_page+0x3dd/0xa10
[   28.432712]  [<ffffffff8149e232>] ? handle_mm_fault+0x3f2/0x3190
[   28.438824]  [<ffffffff81233a2b>] ? trace_hardirqs_on_caller+0x38b/0x590
[   28.445627]  [<ffffffff8151d818>] vfs_readv+0x78/0xb0
[   28.450780]  [<ffffffff8151fb69>] SyS_readv+0xd9/0x240
[   28.456021]  [<ffffffff8151fa90>] ? rw_copy_check_uvector+0x2d0/0x2d0
[   28.463267]  [<ffffffff81003017>] ? trace_hardirqs_on_thunk+0x17/0x19
[   28.469819]  [<ffffffff83773d36>] entry_SYSCALL_64_fastpath+0x16/0x76
[   28.476369] 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 
[   28.502874] RIP  [<ffffffff825bb1cd>] sg_read+0xd1d/0x1490
[   28.508577]  RSP <ffff8801d51cfb00>
[   28.512258] ---[ end trace b946c0e23c1a727f ]---
[   28.516993] Kernel panic - not syncing: Fatal exception
[   28.522802] Dumping ftrace buffer:
[   28.526320]    (ftrace buffer empty)
[   28.529999] Kernel Offset: disabled
[   28.533590] Rebooting in 86400 seconds..