general protection fault, probably for non-canonical address 0xdffffc0000000003: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000018-0x000000000000001f]
CPU: 1 PID: 10155 Comm: syz-executor.5 Not tainted 5.5.0-rc6-next-20200116-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:nft_chain_parse_hook+0x386/0xa10 net/netfilter/nf_tables_api.c:1767
Code: e8 af 9e f6 fa 41 83 fd 05 0f 87 62 05 00 00 e8 20 9d f6 fa 49 8d 7c 24 18 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <0f> b6 04 02 84 c0 74 08 3c 03 0f 8e a6 05 00 00 44 89 e9 be 01 00
RSP: 0018:ffffc9000602f100 EFLAGS: 00010206
RAX: dffffc0000000000 RBX: ffffc9000602f2b0 RCX: ffffc90013202000
RDX: 0000000000000003 RSI: ffffffff867efab0 RDI: 0000000000000018
RBP: ffffc9000602f1f0 R08: ffff888056bb8500 R09: 0000000000000000
R10: fffff52000c05e2f R11: ffffc9000602f17f R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: ffffc9000602f1c8
FS:  00007f8070ab6700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2e321000 CR3: 0000000091379000 CR4: 00000000001426e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 nf_tables_addchain.constprop.0+0x1c1/0x1520 net/netfilter/nf_tables_api.c:1888
 nf_tables_newchain+0x1033/0x1820 net/netfilter/nf_tables_api.c:2196
 nfnetlink_rcv_batch+0x8c8/0x1780 net/netfilter/nfnetlink.c:433
 nfnetlink_rcv_skb_batch net/netfilter/nfnetlink.c:543 [inline]
 nfnetlink_rcv+0x3e7/0x460 net/netfilter/nfnetlink.c:561
 netlink_unicast_kernel net/netlink/af_netlink.c:1302 [inline]
 netlink_unicast+0x59e/0x7e0 net/netlink/af_netlink.c:1328
 netlink_sendmsg+0x91c/0xea0 net/netlink/af_netlink.c:1917
 sock_sendmsg_nosec net/socket.c:652 [inline]
 sock_sendmsg+0xd7/0x130 net/socket.c:672
 ____sys_sendmsg+0x753/0x880 net/socket.c:2343
 ___sys_sendmsg+0x100/0x170 net/socket.c:2397
 __sys_sendmsg+0x105/0x1d0 net/socket.c:2430
 __do_sys_sendmsg net/socket.c:2439 [inline]
 __se_sys_sendmsg net/socket.c:2437 [inline]
 __x64_sys_sendmsg+0x78/0xb0 net/socket.c:2437
 do_syscall_64+0xfa/0x790 arch/x86/entry/common.c:294
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x45b349
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:00007f8070ab5c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f8070ab66d4 RCX: 000000000045b349
RDX: 0000000000000000 RSI: 0000000020000100 RDI: 0000000000000003
RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 0000000000000940 R14: 00000000004ca9e5 R15: 000000000075bf2c
Modules linked in:
---[ end trace 1fdc8b85016ba67e ]---
RIP: 0010:nft_chain_parse_hook+0x386/0xa10 net/netfilter/nf_tables_api.c:1767
Code: e8 af 9e f6 fa 41 83 fd 05 0f 87 62 05 00 00 e8 20 9d f6 fa 49 8d 7c 24 18 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <0f> b6 04 02 84 c0 74 08 3c 03 0f 8e a6 05 00 00 44 89 e9 be 01 00
RSP: 0018:ffffc9000602f100 EFLAGS: 00010206
RAX: dffffc0000000000 RBX: ffffc9000602f2b0 RCX: ffffc90013202000
RDX: 0000000000000003 RSI: ffffffff867efab0 RDI: 0000000000000018
RBP: ffffc9000602f1f0 R08: ffff888056bb8500 R09: 0000000000000000
R10: fffff52000c05e2f R11: ffffc9000602f17f R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: ffffc9000602f1c8
FS:  00007f8070ab6700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffe457662b0 CR3: 0000000091379000 CR4: 00000000001426e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400