general protection fault: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 19780 Comm: syz-executor.3 Not tainted 5.5.0-rc5-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:dccp_timeout_nlattr_to_obj+0x60/0x230 net/netfilter/nf_conntrack_proto_dccp.c:682
Code: 89 d8 48 c1 e8 03 42 0f b6 14 30 48 89 d8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 a1 01 00 00 4c 89 e0 44 8b 3b 48 c1 e8 03 <42> 0f b6 14 30 4c 89 e0 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85
RSP: 0018:ffffc900018373d8 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff88805e38f2bc RCX: ffffc9000f7f5000
RDX: 0000000000000000 RSI: ffffffff8660e7e5 RDI: ffff88808ddefa80
RBP: ffffc90001837418 R08: ffff8880a2ae0300 R09: ffff88808ddefa80
R10: ffffed1011bbdf57 R11: ffff88808ddefabf R12: 0000000000000000
R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000005dc0
FS:  00007f9dcf4eb700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2bc28000 CR3: 00000000521d5000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 ctnl_timeout_parse_policy+0x150/0x1d0 net/netfilter/nfnetlink_cttimeout.c:67
 cttimeout_default_set+0x150/0x1c0 net/netfilter/nfnetlink_cttimeout.c:368
 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:639 [inline]
 sock_sendmsg+0xd7/0x130 net/socket.c:659
 ____sys_sendmsg+0x753/0x880 net/socket.c:2330
 ___sys_sendmsg+0x100/0x170 net/socket.c:2384
 __sys_sendmsg+0x105/0x1d0 net/socket.c:2417
 __do_sys_sendmsg net/socket.c:2426 [inline]
 __se_sys_sendmsg net/socket.c:2424 [inline]
 __x64_sys_sendmsg+0x78/0xb0 net/socket.c:2424
 do_syscall_64+0xfa/0x790 arch/x86/entry/common.c:294
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x45af49
Code: ad b6 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 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f9dcf4eac78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045af49
RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9dcf4eb6d4
R13: 00000000004ca17b R14: 00000000004e31f8 R15: 00000000ffffffff
Modules linked in:
---[ end trace 2ef26a64631bbc8b ]---
RIP: 0010:dccp_timeout_nlattr_to_obj+0x60/0x230 net/netfilter/nf_conntrack_proto_dccp.c:682
Code: 89 d8 48 c1 e8 03 42 0f b6 14 30 48 89 d8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 a1 01 00 00 4c 89 e0 44 8b 3b 48 c1 e8 03 <42> 0f b6 14 30 4c 89 e0 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85
RSP: 0018:ffffc900018373d8 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff88805e38f2bc RCX: ffffc9000f7f5000
RDX: 0000000000000000 RSI: ffffffff8660e7e5 RDI: ffff88808ddefa80
RBP: ffffc90001837418 R08: ffff8880a2ae0300 R09: ffff88808ddefa80
R10: ffffed1011bbdf57 R11: ffff88808ddefabf R12: 0000000000000000
R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000005dc0
FS:  00007f9dcf4eb700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000180 CR3: 00000000521d5000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400