r0 = syz_open_procfs(0x0, &(0x7f0000000000)='net/ip_tables_targets\x00') r1 = syz_io_uring_setup(0x8c3, &(0x7f0000000080), &(0x7f00000a0000)=nil, &(0x7f0000ffc000/0x3000)=nil, &(0x7f0000000040), &(0x7f0000000280)) sendfile(r1, r0, &(0x7f0000000440)=0x821, 0x2)