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-rw-r--r--util/ifdtool/ifdtool.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/util/ifdtool/ifdtool.c b/util/ifdtool/ifdtool.c
index 1b418d10b8..1a8bf85059 100644
--- a/util/ifdtool/ifdtool.c
+++ b/util/ifdtool/ifdtool.c
@@ -397,6 +397,12 @@ void inject_region(char *filename, char *image, int size, int region_type,
memset(image + region.base, 0xff, offset);
}
+ if (size < region.base + offset + region_size) {
+ fprintf(stderr, "Output file is too small. (%d < %d)\n",
+ size, region.base + offset + region_size);
+ exit(EXIT_FAILURE);
+ }
+
if (read(region_fd, image + region.base + offset, region_size)
!= region_size) {
perror("Could not read file");