[   19.675447] random: sshd: uninitialized urandom read (32 bytes read, 33 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.
[   20.547916] random: sshd: uninitialized urandom read (32 bytes read, 34 bits of entropy available)
[   20.777335] random: sshd: uninitialized urandom read (32 bytes read, 35 bits of entropy available)

Debian GNU/Linux 7 syzkaller ttyS0

syzkaller login: [   21.781995] random: sshd: uninitialized urandom read (32 bytes read, 98 bits of entropy available)
[   21.953909] random: sshd: uninitialized urandom read (32 bytes read, 101 bits of entropy available)
Warning: Permanently added '10.128.0.50' (ECDSA) to the list of known hosts.
[   27.542467] random: sshd: uninitialized urandom read (32 bytes read, 107 bits of entropy available)
2018/03/01 13:01:02 parsed 1 programs
2018/03/01 13:01:02 executed programs: 0
[   27.931975] IPVS: Creating netns size=2552 id=1
[   27.978844] IPVS: Creating netns size=2552 id=2
[   28.028395] IPVS: Creating netns size=2552 id=3
[   28.076710] IPVS: Creating netns size=2552 id=4
[   28.168164] IPVS: Creating netns size=2552 id=5
[   28.256296] IPVS: Creating netns size=2552 id=6
[   28.363820] IPVS: Creating netns size=2552 id=7
[   28.469573] IPVS: Creating netns size=2552 id=8
[   31.909876] netlink: 12 bytes leftover after parsing attributes in process `syz-executor4'.
[   31.952506] kasan: CONFIG_KASAN_INLINE enabled
[   31.956939] kasan: GPF could be caused by NULL-ptr deref or user memory accessgeneral protection fault: 0000 [#1] PREEMPT SMP KASAN
[   31.969834] Dumping ftrace buffer:
[   31.973354]    (ftrace buffer empty)
[   31.977047] Modules linked in:
[   31.980344] CPU: 1 PID: 4843 Comm: syz-executor4 Not tainted 4.4.119-g024f962 #26
[   31.981584] netlink: 12 bytes leftover after parsing attributes in process `syz-executor4'.
[   31.996404] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   32.005741] task: ffff8800b9f13000 task.stack: ffff8801d1df0000
[   32.011778] RIP: 0010:[<ffffffff831aa051>]  [<ffffffff831aa051>] udp_queue_rcv_skb+0x191/0x1560
[   32.020733] RSP: 0018:ffff8801d1df7928  EFLAGS: 00010206
[   32.026165] RAX: dffffc0000000000 RBX: ffff8801d1398000 RCX: ffffffff831aa038
[   32.033421] RDX: 000000000000000c RSI: ffff8800b5075c80 RDI: 0000000000000060
[   32.040678] RBP: ffff8801d1df7968 R08: 0000000000000001 R09: 0000000000000001
[   32.047934] R10: 0000000000000000 R11: 1ffff1003a3beef6 R12: ffff8800b5075c80
[   32.055185] R13: 0000000000000001 R14: 0000000000000000 R15: ffff8800b5075cd8
[   32.062442] FS:  00007fae2c047700(0000) GS:ffff8801db300000(0000) knlGS:0000000000000000
[   32.070649] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   32.076514] CR2: 0000000000a3fb4c CR3: 00000000b8818000 CR4: 0000000000160670
[   32.083773] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   32.091029] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   32.098280] Stack:
[   32.100411]  ffff8801d1398088 ffff880100000001 ffff8801d1398088 dffffc0000000000
[   32.108436]  ffff8801d1398000 0000000000000000 ffffed003a273086 ffff8800b5075c80
[   32.116455]  ffff8801d1df79d8 ffffffff82df8ac6 ffff8801d1398188 ffff8801d1398190
[   32.124488] Call Trace:
[   32.127061]  [<ffffffff82df8ac6>] release_sock+0x176/0x510
[   32.132836]  [<ffffffff831a3664>] udp_sendmsg+0x15c4/0x1c30
[   32.138534]  [<ffffffff81b4c770>] ? avc_has_perm_noaudit+0x460/0x460
[   32.145013]  [<ffffffff8319fea0>] ? udp_push_pending_frames+0xe0/0xe0
[   32.151579]  [<ffffffff831a20a0>] ? udp_seq_next+0x80/0x80
[   32.157195]  [<ffffffff81237410>] ? debug_check_no_locks_freed+0x2c0/0x2c0
[   32.164197]  [<ffffffff81b686a1>] ? sock_has_perm+0x1c1/0x400
[   32.170067]  [<ffffffff81b6877f>] ? sock_has_perm+0x29f/0x400
[   32.175936]  [<ffffffff81b6857f>] ? sock_has_perm+0x9f/0x400
[   32.181724]  [<ffffffff831d7aa1>] ? inet_sendmsg+0x201/0x4c0
[   32.187512]  [<ffffffff831d7b5c>] inet_sendmsg+0x2bc/0x4c0
[   32.193123]  [<ffffffff831d7913>] ? inet_sendmsg+0x73/0x4c0
[   32.198822]  [<ffffffff831d78a0>] ? inet_recvmsg+0x4c0/0x4c0
[   32.204604]  [<ffffffff82deb87a>] sock_sendmsg+0xca/0x110
[   32.210131]  [<ffffffff82dec7c8>] SYSC_sendto+0x2c8/0x340
[   32.215655]  [<ffffffff82dec500>] ? SYSC_connect+0x310/0x310
[   32.221441]  [<ffffffff831a74d9>] ? udp_v4_get_port+0x139/0x180
[   32.227484]  [<ffffffff831cfd70>] ? inet_bind+0xb0/0x880
[   32.232921]  [<ffffffff82dec11d>] ? SYSC_bind+0x1ad/0x280
[   32.238446]  [<ffffffff812e1f80>] ? SyS_futex+0x210/0x2c0
[   32.243976]  [<ffffffff8157a52d>] ? fd_install+0x4d/0x60
[   32.249414]  [<ffffffff812e1d70>] ? do_futex+0x15d0/0x15d0
[   32.255022]  [<ffffffff82dee351>] ? SyS_socket+0x121/0x1b0
[   32.260633]  [<ffffffff82dee230>] ? move_addr_to_kernel+0x50/0x50
[   32.266849]  [<ffffffff82deecc0>] SyS_sendto+0x40/0x50
[   32.272117]  [<ffffffff8377361f>] entry_SYSCALL_64_fastpath+0x1c/0x98
[   32.278673] Code: 74 24 58 41 f6 c6 01 0f 85 7f 07 00 00 e8 d8 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 
[   32.305833] RIP  [<ffffffff831aa051>] udp_queue_rcv_skb+0x191/0x1560
[   32.312447]  RSP <ffff8801d1df7928>
[   32.316096] ---[ end trace 39f9c06783051a5c ]---
[   32.320837] Kernel panic - not syncing: Fatal exception in interrupt
[   32.327775] Dumping ftrace buffer:
[   32.331290]    (ftrace buffer empty)
[   32.334971] Kernel Offset: disabled
[   32.338564] Rebooting in 86400 seconds..