r0 = syz_open_procfs(0x0, &(0x7f0000000180)='net/ip_tables_matches\x00')
r1 = syz_io_uring_setup(0x620e, &(0x7f0000000180), &(0x7f0000ffb000/0x3000)=nil, &(0x7f0000ffc000/0x1000)=nil, &(0x7f0000000100), &(0x7f0000000140))
sendfile(r1, r0, &(0x7f0000000000)=0x10001, 0x400000000)