dpkg_set_field(extr->extract_type, EXTRACT_TYPE,
cfg->extracts[i].type);
- for (j = 0; j < DPKG_NUM_OF_MASKS; j++) {
+ if (extr->num_of_byte_masks > DPKG_NUM_OF_MASKS)
+ return -EINVAL;
+
+ for (j = 0; j < extr->num_of_byte_masks; j++) {
extr->masks[j].mask = cfg->extracts[i].masks[j].mask;
extr->masks[j].offset =
cfg->extracts[i].masks[j].offset;