kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 9584 Comm: syz-executor586 Not tainted 5.5.0-rc4-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:hash_netport4_uadt+0x218/0xff0 net/netfilter/ipset/ip_set_hash_netport.c:166
Code: 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 4d 0a 00 00 4c 89 e2 45 8b 6d 04 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <0f> b6 14 02 4c 89 e0 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 4c
RSP: 0018:ffffc90001f67160 EFLAGS: 00010246
RAX: dffffc0000000000 RBX: ffffc90001f67320 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff86850b35 RDI: ffff8880a315d88c
RBP: ffffc90001f672b8 R08: 0000000000000000 R09: 0000000000000000
R10: ffffed1015d2703c R11: ffff8880ae9381e3 R12: 0000000000000000
R13: 0000000000000000 R14: ffffc90001f67220 R15: 0000000000000002
FS:  0000000002561880(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000106 CR3: 0000000097663000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 ip_set_utest+0x55b/0x890 net/netfilter/ipset/ip_set_core.c:1867
 nfnetlink_rcv_msg+0xcf2/0xfb0 net/netfilter/nfnetlink.c:229
 netlink_rcv_skb+0x177/0x450 net/netlink/af_netlink.c:2477
 nfnetlink_rcv+0x1ba/0x460 net/netfilter/nfnetlink.c:563
 netlink_unicast_kernel net/netlink/af_netlink.c:1302 [inline]
 netlink_unicast+0x58c/0x7d0 net/netlink/af_netlink.c:1328
 netlink_sendmsg+0x91c/0xea0 net/netlink/af_netlink.c:1917
 sock_sendmsg_nosec net/socket.c:643 [inline]
 sock_sendmsg+0xd7/0x130 net/socket.c:663
 ____sys_sendmsg+0x753/0x880 net/socket.c:2342
 ___sys_sendmsg+0x100/0x170 net/socket.c:2396
 __sys_sendmsg+0x105/0x1d0 net/socket.c:2429
 __do_sys_sendmsg net/socket.c:2438 [inline]
 __se_sys_sendmsg net/socket.c:2436 [inline]
 __x64_sys_sendmsg+0x78/0xb0 net/socket.c:2436
 do_syscall_64+0xfa/0x790 arch/x86/entry/common.c:294
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x4407e9
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 fb 13 fc ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007ffc84c747b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 00000000004407e9
RDX: 0000000000041000 RSI: 0000000020000140 RDI: 0000000000000004
RBP: 00000000006ca018 R08: 0000000000000008 R09: 00000000004002c8
R10: 000000000000002c R11: 0000000000000246 R12: 0000000000402070
R13: 0000000000402100 R14: 0000000000000000 R15: 0000000000000000
Modules linked in:
---[ end trace dd7aa273309845b1 ]---
RIP: 0010:hash_netport4_uadt+0x218/0xff0 net/netfilter/ipset/ip_set_hash_netport.c:166
Code: 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 4d 0a 00 00 4c 89 e2 45 8b 6d 04 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <0f> b6 14 02 4c 89 e0 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 4c
RSP: 0018:ffffc90001f67160 EFLAGS: 00010246
RAX: dffffc0000000000 RBX: ffffc90001f67320 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff86850b35 RDI: ffff8880a315d88c
RBP: ffffc90001f672b8 R08: 0000000000000000 R09: 0000000000000000
R10: ffffed1015d2703c R11: ffff8880ae9381e3 R12: 0000000000000000
R13: 0000000000000000 R14: ffffc90001f67220 R15: 0000000000000002
FS:  0000000002561880(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000106 CR3: 0000000097663000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400