mailmap: avoid out-of-bounds memory access

diff --git a/builtin/hash-object.c b/builtin/hash-object.c
index b96f46acf52d23f68c1ec164be8264396dea22db..33911fd5e9325210dae63b3252fa3b56d42b545c 100644 (file)
--- a/builtin/hash-object.c
+++ b/builtin/hash-object.c
@@ -14,8 +14,11 @@ static void hash_fd(int fd, const char *type, int write_object, const char *path
 {
        struct stat st;
        unsigned char sha1[20];
+       unsigned flags = (HASH_FORMAT_CHECK |
+                         (write_object ? HASH_WRITE_OBJECT : 0));
+
        if (fstat(fd, &st) < 0 ||
-           index_fd(sha1, fd, &st, write_object, type_from_string(type), path, 1))
+           index_fd(sha1, fd, &st, type_from_string(type), path, flags))
                die(write_object
                    ? "Unable to add %s to database"
                    : "Unable to hash %s", path);