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Diffstat (limited to 'sha1_file.c')
-rw-r--r--sha1_file.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/sha1_file.c b/sha1_file.c
index 41799492f9..d9da7c8f75 100644
--- a/sha1_file.c
+++ b/sha1_file.c
@@ -1943,7 +1943,8 @@ void *read_object_with_reference(const unsigned char *sha1,
}
ref_length = strlen(ref_type);
- if (memcmp(buffer, ref_type, ref_length) ||
+ if (ref_length + 40 > isize ||
+ memcmp(buffer, ref_type, ref_length) ||
get_sha1_hex((char *) buffer + ref_length, actual_sha1)) {
free(buffer);
return NULL;