random: sshd: uninitialized urandom read (32 bytes read)
random: sshd: uninitialized urandom read (32 bytes read)
random: sshd: uninitialized urandom read (32 bytes read)
random: sshd: uninitialized urandom read (32 bytes read)
random: sshd: uninitialized urandom read (32 bytes read)
BUG: unable to handle kernel NULL pointer dereference at 0000000000000000
PGD 1b40a4067 P4D 1b40a4067 PUD 1b6468067 PMD 0 
Oops: 0010 [#1] SMP KASAN
CPU: 0 PID: 4489 Comm: syz-executor226 Not tainted 4.17.0+ #92
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:          (null)
Code: Bad RIP value.
RSP: 0018:ffff8801b31b76d8 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff8801ad25d940 RCX: ffffffff85e1d8e9
RDX: ffff8801b31b7ab0 RSI: ffff8801ad25d940 RDI: ffff8801ca9cb040
RBP: ffff8801b31b7700 R08: ffff8801b9244580 R09: ffffed00373ddd78
R10: ffffed00373ddd78 R11: ffff8801b9eeebc3 R12: ffff8801ad61ed00
R13: ffff8801ca9cb040 R14: ffff8801b31b7ab0 R15: 0000000000000018
FS:  0000000001596880(0000) GS:ffff8801dae00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffffffffd6 CR3: 00000001b42f9000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 sock_poll+0x1d1/0x710 net/socket.c:1156
 vfs_poll+0x77/0x2a0 fs/select.c:40
 do_pollfd fs/select.c:848 [inline]
 do_poll fs/select.c:896 [inline]
 do_sys_poll+0x6fd/0x1100 fs/select.c:990
 __do_sys_poll fs/select.c:1048 [inline]
 __se_sys_poll fs/select.c:1036 [inline]
 __x64_sys_poll+0x189/0x510 fs/select.c:1036
 do_syscall_64+0x1b1/0x800 arch/x86/entry/common.c:287
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x43ff09
Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 6b 45 00 00 c3 66 2e 0f 1f 84 00 00 00 00 
RSP: 002b:00007ffdd7faee48 EFLAGS: 00000217 ORIG_RAX: 0000000000000007
RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 000000000043ff09
RDX: 0000000000000000 RSI: 0000000000000007 RDI: 0000000020000000
RBP: 00000000006ca018 R08: 00000000004002c8 R09: 00000000004002c8
R10: 0000000000000028 R11: 0000000000000217 R12: 0000000000401830
R13: 00000000004018c0 R14: 0000000000000000 R15: 0000000000000000
Modules linked in:
Dumping ftrace buffer:
   (ftrace buffer empty)
CR2: 0000000000000000
---[ end trace 75cef8562567ea85 ]---
RIP: 0010:          (null)
Code: Bad RIP value.
RSP: 0018:ffff8801b31b76d8 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff8801ad25d940 RCX: ffffffff85e1d8e9
RDX: ffff8801b31b7ab0 RSI: ffff8801ad25d940 RDI: ffff8801ca9cb040
RBP: ffff8801b31b7700 R08: ffff8801b9244580 R09: ffffed00373ddd78
R10: ffffed00373ddd78 R11: ffff8801b9eeebc3 R12: ffff8801ad61ed00
R13: ffff8801ca9cb040 R14: ffff8801b31b7ab0 R15: 0000000000000018
FS:  0000000001596880(0000) GS:ffff8801dae00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffffffffd6 CR3: 00000001b42f9000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400