kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 22952 Comm: syz-executor.1 Not tainted 4.19.99-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:nft_chain_parse_hook+0x37c/0x8c0 net/netfilter/nf_tables_api.c:1521
Code: 00 e8 28 c5 6b fb 41 83 fd 05 0f 87 30 04 00 00 e8 99 c3 6b fb 48 8d 7b 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 77 04 00 00 44 89 e9 be 01 00
netlink: 20 bytes leftover after parsing attributes in process `syz-executor.0'.
RSP: 0018:ffff888070497200 EFLAGS: 00010206
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc900080a7000
RDX: 0000000000000003 RSI: ffffffff85ff5317 RDI: 0000000000000018
RBP: ffff8880704972f0 R08: ffff8880a5342540 R09: 0000000000000000
R10: ffffed100e092e4c R11: ffff888070497267 R12: ffff888070497370
R13: 0000000000000000 R14: 0000000000000000 R15: ffff8880704972c8
FS:  00007efc2bb1f700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000738000 CR3: 0000000094c0e000 CR4: 00000000001426e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 nf_tables_addchain.constprop.0+0x1a6/0xf90 net/netfilter/nf_tables_api.c:1602
netlink: 20 bytes leftover after parsing attributes in process `syz-executor.0'.
 nf_tables_newchain+0xf54/0x14d0 net/netfilter/nf_tables_api.c:1877
 nfnetlink_rcv_batch+0xef6/0x1750 net/netfilter/nfnetlink.c:430
 nfnetlink_rcv_skb_batch net/netfilter/nfnetlink.c:540 [inline]
 nfnetlink_rcv+0x3ed/0x460 net/netfilter/nfnetlink.c:558
 netlink_unicast_kernel net/netlink/af_netlink.c:1317 [inline]
 netlink_unicast+0x53a/0x730 net/netlink/af_netlink.c:1343
 netlink_sendmsg+0x8ae/0xd70 net/netlink/af_netlink.c:1908
 sock_sendmsg_nosec net/socket.c:622 [inline]
 sock_sendmsg+0xd7/0x130 net/socket.c:632
 ___sys_sendmsg+0x803/0x920 net/socket.c:2115
 __sys_sendmsg+0x105/0x1d0 net/socket.c:2153
 __do_sys_sendmsg net/socket.c:2162 [inline]
 __se_sys_sendmsg net/socket.c:2160 [inline]
 __x64_sys_sendmsg+0x78/0xb0 net/socket.c:2160
 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293
 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:00007efc2bb1ec78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007efc2bb1f6d4 RCX: 000000000045b349
RDX: 0000000000000000 RSI: 0000000020000100 RDI: 0000000000000003
RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 000000000000093a R14: 00000000004ca9e5 R15: 000000000075bf2c
Modules linked in:
---[ end trace 0db8740aa060a0f8 ]---
RIP: 0010:nft_chain_parse_hook+0x37c/0x8c0 net/netfilter/nf_tables_api.c:1521
Code: 00 e8 28 c5 6b fb 41 83 fd 05 0f 87 30 04 00 00 e8 99 c3 6b fb 48 8d 7b 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 77 04 00 00 44 89 e9 be 01 00
RSP: 0018:ffff888070497200 EFLAGS: 00010206
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc900080a7000
RDX: 0000000000000003 RSI: ffffffff85ff5317 RDI: 0000000000000018
netlink: 20 bytes leftover after parsing attributes in process `syz-executor.0'.
RBP: ffff8880704972f0 R08: ffff8880a5342540 R09: 0000000000000000
R10: ffffed100e092e4c R11: ffff888070497267 R12: ffff888070497370
R13: 0000000000000000 R14: 0000000000000000 R15: ffff8880704972c8
FS:  00007efc2bb1f700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
netlink: 20 bytes leftover after parsing attributes in process `syz-executor.0'.
CR2: 000000000075c000 CR3: 0000000094c0e000 CR4: 00000000001426e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400