--- hdf5-1.6.5/perform/zip_perf.c.open 2007-08-08 14:55:09.000000000 -0600 +++ hdf5-1.6.5/perform/zip_perf.c 2007-08-08 14:55:25.000000000 -0600 @@ -545,7 +545,7 @@ unlink(filename); /* do compressed data write */ - output = open(filename, O_RDWR | O_CREAT); + output = open(filename, O_RDWR | O_CREAT, S_IRWXU); if (output == -1) error(strerror(errno));