BUG: unable to handle page fault for address: ffffffffffffffa0
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 987c067 P4D 987c067 PUD 987e067 PMD 0 
Oops: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 1661 Comm: kworker/u4:7 Not tainted 5.7.0-rc7-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: krdsd rds_connect_worker
RIP: 0010:__inet6_check_established+0x348/0xea0 net/ipv6/inet6_hashtables.c:223
Code: 03 4c 01 e0 48 89 44 24 28 e8 34 ba 8b fa 48 8d 7b a0 48 89 f8 48 c1 e8 03 42 0f b6 04 20 84 c0 74 08 3c 03 0f 8e 27 09 00 00 <44> 8b 73 a0 44 89 ee 44 89 f7 e8 f9 ba 8b fa 45 39 ee 0f 85 ea 06
RSP: 0018:ffffc90017197718 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff86e78bc5
RDX: 0000000000000000 RSI: ffffffff86e7847c RDI: ffffffffffffffa0
RBP: ffff888095bc70c0 R08: ffff8880305b6100 R09: fffff52002e32ed6
R10: 0000000000000003 R11: fffff52002e32ed5 R12: dffffc0000000000
R13: 000000000773e210 R14: 0000000000000000 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffffffffa0 CR3: 00000000a02c4000 CR4: 00000000001426e0
DR0: 0000000000000000 DR1: 0000000000000500 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 __inet_hash_connect+0x954/0xeb0 net/ipv4/inet_hashtables.c:647
 tcp_v6_connect+0x11aa/0x21a0 net/ipv6/tcp_ipv6.c:311
 __inet_stream_connect+0x80f/0xe30 net/ipv4/af_inet.c:655
 inet_stream_connect+0x53/0xa0 net/ipv4/af_inet.c:719
 rds_tcp_conn_path_connect+0x620/0x880 net/rds/tcp_connect.c:172
 rds_connect_worker+0x1a5/0x2c0 net/rds/threads.c:176
 process_one_work+0x965/0x16a0 kernel/workqueue.c:2268
 worker_thread+0x96/0xe20 kernel/workqueue.c:2414
 kthread+0x388/0x470 kernel/kthread.c:268
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:351
Modules linked in:
CR2: ffffffffffffffa0
---[ end trace f6f2c81d20fbc005 ]---
RIP: 0010:__inet6_check_established+0x348/0xea0 net/ipv6/inet6_hashtables.c:223
Code: 03 4c 01 e0 48 89 44 24 28 e8 34 ba 8b fa 48 8d 7b a0 48 89 f8 48 c1 e8 03 42 0f b6 04 20 84 c0 74 08 3c 03 0f 8e 27 09 00 00 <44> 8b 73 a0 44 89 ee 44 89 f7 e8 f9 ba 8b fa 45 39 ee 0f 85 ea 06
RSP: 0018:ffffc90017197718 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff86e78bc5
RDX: 0000000000000000 RSI: ffffffff86e7847c RDI: ffffffffffffffa0
RBP: ffff888095bc70c0 R08: ffff8880305b6100 R09: fffff52002e32ed6
R10: 0000000000000003 R11: fffff52002e32ed5 R12: dffffc0000000000
R13: 000000000773e210 R14: 0000000000000000 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffffffffa0 CR3: 00000000a02c4000 CR4: 00000000001426e0
DR0: 0000000000000000 DR1: 0000000000000500 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400