[....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c.
[....] Starting OpenBSD Secure Shell server: sshd[   17.130189] random: sshd: uninitialized urandom read (32 bytes read, 33 bits of entropy available)
[?25l[?1c7[ ok 8[?25h[?0c.

Debian GNU/Linux 7 syzkaller ttyS0

syzkaller login: [   21.913528] random: sshd: uninitialized urandom read (32 bytes read, 37 bits of entropy available)
[   22.250544] random: sshd: uninitialized urandom read (32 bytes read, 37 bits of entropy available)
[   23.054881] random: sshd: uninitialized urandom read (32 bytes read, 97 bits of entropy available)
[   23.237685] random: sshd: uninitialized urandom read (32 bytes read, 101 bits of entropy available)
Warning: Permanently added '10.128.15.192' (ECDSA) to the list of known hosts.
[   28.628553] random: sshd: uninitialized urandom read (32 bytes read, 109 bits of entropy available)
executing program
[   28.724044] sg_write: data in/out 117476602/1 bytes for SCSI command 0xe2-- guessing data in;
[   28.724044]    program syzkaller941547 not setting count and/or reply_len properly
[   28.744070] kasan: CONFIG_KASAN_INLINE enabled
[   28.748480] kasan: GPF could be caused by NULL-ptr deref or user memory accessgeneral protection fault: 0000 [#1] PREEMPT SMP KASAN
[   28.761333] Dumping ftrace buffer:
[   28.764838]    (ftrace buffer empty)
[   28.768517] Modules linked in:
[   28.771787] CPU: 1 PID: 3320 Comm: syzkaller941547 Not tainted 4.4.110-gdac1439 #20
[   28.779547] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   28.788868] task: ffff8800b52e97c0 task.stack: ffff8801d08e8000
[   28.794888] RIP: 0010:[<ffffffff825bc15d>]  [<ffffffff825bc15d>] sg_read+0xd1d/0x1490
[   28.802940] RSP: 0018:ffff8801d08efb00  EFLAGS: 00010246
[   28.808354] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff825bc124
[   28.815602] RDX: 0000000000000000 RSI: 0000000020aaaf8f RDI: ffff8801d0e0c370
[   28.822841] RBP: ffff8801d08efc08 R08: 0000000000000000 R09: 0000000000000001
[   28.830077] R10: 0000000000000000 R11: 1ffff1003a11df26 R12: 0000000000000071
[   28.837321] R13: 0000000000000000 R14: ffff8800b5228240 R15: ffff8801d0e0c340
[   28.844559] FS:  000000000141b880(0063) GS:ffff8801db300000(0000) knlGS:0000000000000000
[   28.852754] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   28.858604] CR2: 0000000020aaaf6b CR3: 00000001d0e68000 CR4: 0000000000160670
[   28.865851] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   28.873089] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   28.880325] Stack:
[   28.882456]  0000000000000000 000077ff80000000 ffff8801d08efb60 ffff8801d0e0c358
[   28.890422]  0000000000000008 ffff8801d0e0c368 0000000000000095 0000000000000001
[   28.898376]  ffff8800b7fdf680 0000000000001000 1ffff1003a11df6c 0000000020aaaf8f
[   28.906332] Call Trace:
[   28.908902]  [<ffffffff825bb440>] ? sg_proc_seq_show_debug+0xd30/0xd30
[   28.915567]  [<ffffffff815e9970>] ? fsnotify+0xee0/0xee0
[   28.921016]  [<ffffffff81b4dda9>] ? avc_policy_seqno+0x9/0x20
[   28.926902]  [<ffffffff8151ca11>] do_loop_readv_writev+0x141/0x1e0
[   28.933210]  [<ffffffff81b44c99>] ? security_file_permission+0x89/0x1e0
[   28.939950]  [<ffffffff825bb440>] ? sg_proc_seq_show_debug+0xd30/0xd30
[   28.946599]  [<ffffffff825bb440>] ? sg_proc_seq_show_debug+0xd30/0xd30
[   28.953235]  [<ffffffff8151ed6d>] do_readv_writev+0x5dd/0x6e0
[   28.959102]  [<ffffffff8151e790>] ? vfs_write+0x530/0x530
[   28.964610]  [<ffffffff83774aac>] ? _raw_spin_unlock+0x2c/0x50
[   28.970550]  [<ffffffff8150d32d>] ? do_huge_pmd_anonymous_page+0x3dd/0xa10
[   28.977529]  [<ffffffff8149f6a2>] ? handle_mm_fault+0x3f2/0x3190
[   28.983643]  [<ffffffff81235b2b>] ? trace_hardirqs_on_caller+0x38b/0x590
[   28.990450]  [<ffffffff81b4dda9>] ? avc_policy_seqno+0x9/0x20
[   28.996312]  [<ffffffff81b5f498>] ? selinux_file_permission+0x348/0x460
[   29.003035]  [<ffffffff8151eee8>] vfs_readv+0x78/0xb0
[   29.008191]  [<ffffffff81521239>] SyS_readv+0xd9/0x240
[   29.013435]  [<ffffffff81521160>] ? rw_copy_check_uvector+0x2d0/0x2d0
[   29.019995]  [<ffffffff81003017>] ? trace_hardirqs_on_thunk+0x17/0x19
[   29.026546]  [<ffffffff837755d9>] entry_SYSCALL_64_fastpath+0x16/0x92
[   29.033088] 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 
[   29.059497] RIP  [<ffffffff825bc15d>] sg_read+0xd1d/0x1490
[   29.065212]  RSP <ffff8801d08efb00>
[   29.068933] ---[ end trace 99366fff167d634a ]---
[   29.074358] Kernel panic - not syncing: Fatal exception
[   29.080206] Dumping ftrace buffer:
[   29.083716]    (ftrace buffer empty)
[   29.087407] Kernel Offset: disabled
[   29.091002] Rebooting in 86400 seconds..