BUG: kernel NULL pointer dereference, address: 0000000000000000
#PF: supervisor instruction fetch in kernel mode
#PF: error_code(0x0010) - not-present page
PGD 54a03067 P4D 54a03067 PUD a8269067 PMD 0 
Oops: 0010 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 16048 Comm: syz-executor.1 Not tainted 5.3.0-next-20190920 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:0x0
Code: Bad RIP value.
RSP: 0018:ffff88804edafcd8 EFLAGS: 00010246
RAX: dffffc0000000000 RBX: ffffffff89b31200 RCX: ffffc90008363000
RDX: 0000000000000000 RSI: ffff88804edafd40 RDI: ffff888056c922c0
RBP: ffff88804edafda8 R08: ffff88808e5935d8 R09: fffffbfff14ee147
R10: fffffbfff14ee146 R11: ffffffff8a770a37 R12: ffff88808e593100
R13: ffff888056c922c0 R14: 0000000000000000 R15: ffff88804edafd40
FS:  00007f108bdc4700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffffffffd6 CR3: 000000005454b000 CR4: 00000000001426e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 rds_bind+0x423/0x800 net/rds/bind.c:247
 __sys_bind+0x239/0x290 net/socket.c:1648
 __do_sys_bind net/socket.c:1659 [inline]
 __se_sys_bind net/socket.c:1657 [inline]
 __x64_sys_bind+0x73/0xb0 net/socket.c:1657
 do_syscall_64+0xfa/0x760 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x459a09
Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f108bdc3c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000031
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000459a09
RDX: 0000000000000010 RSI: 0000000020000100 RDI: 0000000000000008
RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f108bdc46d4
R13: 00000000004bfb4b R14: 00000000004d1808 R15: 00000000ffffffff
Modules linked in:
CR2: 0000000000000000
---[ end trace 03efba05836c7b48 ]---
RIP: 0010:0x0
Code: Bad RIP value.
RSP: 0018:ffff88804edafcd8 EFLAGS: 00010246
RAX: dffffc0000000000 RBX: ffffffff89b31200 RCX: ffffc90008363000
RDX: 0000000000000000 RSI: ffff88804edafd40 RDI: ffff888056c922c0
RBP: ffff88804edafda8 R08: ffff88808e5935d8 R09: fffffbfff14ee147
R10: fffffbfff14ee146 R11: ffffffff8a770a37 R12: ffff88808e593100
R13: ffff888056c922c0 R14: 0000000000000000 R15: ffff88804edafd40
FS:  00007f108bdc4700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000c430c47000 CR3: 000000005454b000 CR4: 00000000001426f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400