BUG: kernel NULL pointer dereference, address: 0000000000000000
#PF: supervisor instruction fetch in kernel mode
#PF: error_code(0x0010) - not-present page
PGD 9913f067 P4D 9913f067 PUD 9c08c067 PMD 0 
Oops: 0010 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 16087 Comm: syz-executor.4 Not tainted 5.3.0-rc8+ #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:0x0
Code: Bad RIP value.
RSP: 0018:ffff88805865fdb8 EFLAGS: 00010246
RAX: 1ffff11012ddd40e RBX: ffff888096eea070 RCX: 0000000000040000
RDX: 0000000000000000 RSI: ffff88805865fdd8 RDI: ffff888097c84140
RBP: ffff88805865fe18 R08: ffffffff86fc304b R09: 0000000000000000
R10: fffffbfff117be95 R11: 0000000000000000 R12: 0000000000000000
R13: ffff888092621518 R14: ffff88805865fdd8 R15: 0000000000000000
FS:  00007fc437ec9700(0000) GS:ffff8880aea00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffffffffd6 CR3: 0000000096668000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
 rds_bind+0x5ab/0x7f0 net/rds/bind.c:247
 __sys_bind+0x2c2/0x3a0 net/socket.c:1647
 __do_sys_bind net/socket.c:1658 [inline]
 __se_sys_bind net/socket.c:1656 [inline]
 __x64_sys_bind+0x7a/0x90 net/socket.c:1656
 do_syscall_64+0xfe/0x140 arch/x86/entry/common.c:296
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x4598e9
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:00007fc437ec8c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000031
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004598e9
RDX: 0000000000000010 RSI: 0000000020000340 RDI: 0000000000000007
RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc437ec96d4
R13: 00000000004bfa2b R14: 00000000004d1608 R15: 00000000ffffffff
Modules linked in:
CR2: 0000000000000000
---[ end trace f06ce6469d2ef26f ]---
RIP: 0010:0x0
Code: Bad RIP value.
RSP: 0018:ffff88805865fdb8 EFLAGS: 00010246
RAX: 1ffff11012ddd40e RBX: ffff888096eea070 RCX: 0000000000040000
RDX: 0000000000000000 RSI: ffff88805865fdd8 RDI: ffff888097c84140
RBP: ffff88805865fe18 R08: ffffffff86fc304b R09: 0000000000000000
R10: fffffbfff117be95 R11: 0000000000000000 R12: 0000000000000000
R13: ffff888092621518 R14: ffff88805865fdd8 R15: 0000000000000000
FS:  00007fc437ec9700(0000) GS:ffff8880aea00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000625208 CR3: 0000000096668000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600