netlink: 7096 bytes leftover after parsing attributes in process `syz-executor4'.
kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory accessgeneral protection fault: 0000 [#1] PREEMPT SMP KASAN
Dumping ftrace buffer:
   (ftrace buffer empty)
Modules linked in:
CPU: 0 PID: 13072 Comm: syz-executor4 Not tainted 4.4.141-g1b37d68 #7
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff8801bc6e0000 task.stack: ffff8801d4098000
RIP: 0010:[<ffffffff8314e7ac>]  [<ffffffff8314e7ac>] nf_tables_set_lookup+0x3c/0xc0 net/netfilter/nf_tables_api.c:2380
RSP: 0018:ffff8801d409f518  EFLAGS: 00010202
RAX: dffffc0000000000 RBX: ffffffffffffffea RCX: ffffc90006e91000
RDX: 0000000000000004 RSI: ffffffff8314e797 RDI: 0000000000000000
RBP: ffff8801d409f538 R08: ffff8801d409f678 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000020
R13: ffffc90000492014 R14: 0000000000000000 R15: ffff8801d409f678
FS:  0000000000000000(0000) GS:ffff8801db200000(0063) knlGS:00000000f5731b40
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 00007f025ec25198 CR3: 00000000b070c000 CR4: 00000000001606f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Stack:
 1ffff1003a813eab ffff8800b64198c0 ffffc90000492000 ffff8801d409f638
 ffff8801d409f660 ffffffff8314fda9 ffff8801d409f5d8 ffff8800bacc8000
 0000000041b58ab3 ffffffff8423ef33 ffffffff8314fc00 ffffffff838bb724
Call Trace:
 [<ffffffff8314fda9>] nf_tables_getset+0x1a9/0x510 net/netfilter/nf_tables_api.c:2653
 [<ffffffff830c95d9>] nfnetlink_rcv_msg+0xa19/0xc00 net/netfilter/nfnetlink.c:215
 [<ffffffff830ba775>] netlink_rcv_skb+0x145/0x370 net/netlink/af_netlink.c:2354
 [<ffffffff830c8253>] nfnetlink_rcv+0x983/0x10a0 net/netfilter/nfnetlink.c:479
 [<ffffffff830b9329>] netlink_unicast_kernel net/netlink/af_netlink.c:1270 [inline]
 [<ffffffff830b9329>] netlink_unicast+0x4e9/0x700 net/netlink/af_netlink.c:1296
 [<ffffffff830b9cd5>] netlink_sendmsg+0x795/0xc30 net/netlink/af_netlink.c:1852
 [<ffffffff82f1e2fc>] sock_sendmsg_nosec net/socket.c:625 [inline]
 [<ffffffff82f1e2fc>] sock_sendmsg+0xcc/0x110 net/socket.c:635
 [<ffffffff82f1fdc5>] ___sys_sendmsg+0x745/0x880 net/socket.c:1962
 [<ffffffff82f21e66>] __sys_sendmsg+0xd6/0x190 net/socket.c:1996
 [<ffffffff8300bbba>] C_SYSC_sendmsg net/compat.c:722 [inline]
 [<ffffffff8300bbba>] compat_SyS_sendmsg+0x2a/0x40 net/compat.c:720
 [<ffffffff81006d96>] do_syscall_32_irqs_on arch/x86/entry/common.c:393 [inline]
 [<ffffffff81006d96>] do_fast_syscall_32+0x326/0x8b0 arch/x86/entry/common.c:460
 [<ffffffff838c456a>] sysenter_flags_fixed+0xd/0x17
Code: 48 c7 c3 ea ff ff ff e8 93 2d 20 fe 4d 85 ed 74 65 e8 89 2d 20 fe 4d 8d 66 20 48 b8 00 00 00 00 00 fc ff df 4c 89 e2 48 c1 ea 03 <80> 3c 02 00 75 69 49 8b 5e 20 49 be 00 00 00 00 00 fc ff df 4c 
RIP  [<ffffffff8314e7ac>] nf_tables_set_lookup+0x3c/0xc0 net/netfilter/nf_tables_api.c:2380
 RSP <ffff8801d409f518>
---[ end trace 1f65093d35e27b2d ]---