[   21.499417] random: sshd: uninitialized urandom read (32 bytes read, 34 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: [   24.982913] random: sshd: uninitialized urandom read (32 bytes read, 39 bits of entropy available)
[   25.422955] random: sshd: uninitialized urandom read (32 bytes read, 39 bits of entropy available)
[   26.336326] random: sshd: uninitialized urandom read (32 bytes read, 111 bits of entropy available)
[   26.505515] random: sshd: uninitialized urandom read (32 bytes read, 115 bits of entropy available)
Warning: Permanently added '10.128.0.9' (ECDSA) to the list of known hosts.
[   31.885137] random: sshd: uninitialized urandom read (32 bytes read, 121 bits of entropy available)
2018/03/03 10:12:49 parsed 1 programs
2018/03/03 10:12:49 executed programs: 0
[   32.245629] IPVS: Creating netns size=2552 id=1
[   33.374957] kasan: CONFIG_KASAN_INLINE enabled
[   33.379386] kasan: GPF could be caused by NULL-ptr deref or user memory accessgeneral protection fault: 0000 [#1] PREEMPT SMP KASAN
[   33.392211] Dumping ftrace buffer:
[   33.395723]    (ftrace buffer empty)
[   33.399407] Modules linked in:
[   33.402686] CPU: 1 PID: 4072 Comm: syz-executor0 Not tainted 4.4.119-g855ea74 #28
[   33.410280] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   33.419605] task: ffff8800b9a08000 task.stack: ffff8800b9b40000
[   33.425628] RIP: 0010:[<ffffffff831aa061>]  [<ffffffff831aa061>] udp_queue_rcv_skb+0x191/0x1560
[   33.434557] RSP: 0018:ffff8800b9b478b0  EFLAGS: 00010206
[   33.439970] RAX: dffffc0000000000 RBX: ffff8800b99c8000 RCX: ffffffff831aa048
[   33.447208] RDX: 000000000000000c RSI: ffff8801d85e9640 RDI: 0000000000000060
[   33.454449] RBP: ffff8800b9b478f0 R08: 0000000000000001 R09: 0000000000000001
[   33.461695] R10: 0000000000000000 R11: 1ffff10017368ee8 R12: ffff8801d85e9640
[   33.468935] R13: 0000000000000001 R14: 0000000000000000 R15: ffff8801d85e9698
[   33.476190] FS:  0000000000000000(0000) GS:ffff8801db300000(0063) knlGS:00000000094ce900
[   33.484385] CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
[   33.490235] CR2: 0000000020000040 CR3: 00000000b4848000 CR4: 0000000000160670
[   33.498026] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   33.505266] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   33.512506] Stack:
[   33.514624]  ffff8800b99c8088 ffff880000000001 ffff8800b99c8088 dffffc0000000000
[   33.522592]  ffff8800b99c8000 0000000000000000 ffffed0017339086 ffff8801d85e9640
[   33.530569]  ffff8800b9b47960 ffffffff82df8ad6 ffff8800b99c8188 ffff8800b99c8190
[   33.538536] Call Trace:
[   33.541093]  [<ffffffff82df8ad6>] release_sock+0x176/0x510
[   33.546692]  [<ffffffff831a3674>] udp_sendmsg+0x15c4/0x1c30
[   33.552372]  [<ffffffff81b4c770>] ? avc_has_perm_noaudit+0x460/0x460
[   33.558835]  [<ffffffff8319feb0>] ? udp_push_pending_frames+0xe0/0xe0
[   33.565381]  [<ffffffff831a20b0>] ? udp_seq_next+0x80/0x80
[   33.570973]  [<ffffffff81b686a1>] ? sock_has_perm+0x1c1/0x400
[   33.576825]  [<ffffffff81b6877f>] ? sock_has_perm+0x29f/0x400
[   33.582676]  [<ffffffff81b6857f>] ? sock_has_perm+0x9f/0x400
[   33.588442]  [<ffffffff831d7ab1>] ? inet_sendmsg+0x201/0x4c0
[   33.594207]  [<ffffffff831d7b6c>] inet_sendmsg+0x2bc/0x4c0
[   33.599802]  [<ffffffff831d7923>] ? inet_sendmsg+0x73/0x4c0
[   33.605483]  [<ffffffff831d78b0>] ? inet_recvmsg+0x4c0/0x4c0
[   33.611251]  [<ffffffff82deb88a>] sock_sendmsg+0xca/0x110
[   33.616763]  [<ffffffff82dec7d8>] SYSC_sendto+0x2c8/0x340
[   33.622268]  [<ffffffff82dec510>] ? SYSC_connect+0x310/0x310
[   33.628033]  [<ffffffff831a74e9>] ? udp_v4_get_port+0x139/0x180
[   33.634064]  [<ffffffff831cfd80>] ? inet_bind+0xb0/0x880
[   33.639486]  [<ffffffff82dec12d>] ? SYSC_bind+0x1ad/0x280
[   33.644996]  [<ffffffff812e2859>] ? compat_SyS_futex+0x1f9/0x2a0
[   33.651111]  [<ffffffff812e2660>] ? compat_SyS_get_robust_list+0x300/0x300
[   33.658101]  [<ffffffff82deecd0>] SyS_sendto+0x40/0x50
[   33.663369]  [<ffffffff82deec90>] ? SyS_getpeername+0x30/0x30
[   33.669232]  [<ffffffff81006d91>] do_fast_syscall_32+0x321/0x8a0
[   33.675348]  [<ffffffff83774fea>] sysenter_flags_fixed+0xd/0x17
[   33.681373] Code: 74 24 58 41 f6 c6 01 0f 85 7f 07 00 00 e8 c8 6c 1b fe 49 83 e6 fe 48 b8 00 00 00 00 00 fc ff df 49 8d 7e 60 48 89 fa 48 c1 ea 03 <0f> b6 04 02 84 c0 74 08 3c 01 0f 8e 9f 0b 00 00 41 f6 46 60 04 
[   33.707954] RIP  [<ffffffff831aa061>] udp_queue_rcv_skb+0x191/0x1560
[   33.714535]  RSP <ffff8800b9b478b0>
[   33.718163] ---[ end trace 5b51dfe57d2e920d ]---
[   33.722900] Kernel panic - not syncing: Fatal exception in interrupt
[   33.729832] Dumping ftrace buffer:
[   33.733348]    (ftrace buffer empty)
[   33.737027] Kernel Offset: disabled
[   33.740622] Rebooting in 86400 seconds..