upload-pack: Improve error message when bad ref requested

diff --git a/setup.c b/setup.c
index 87c21f02e0e3bedb42305bbfe2b4223885d4250f..276916052795c5ffa872b57a7e6723edc71dfdc4 100644 (file)
--- a/setup.c
+++ b/setup.c
@@ -170,6 +170,8 @@ static int is_git_directory(const char *suspect)
        char path[PATH_MAX];
        size_t len = strlen(suspect);
 
+       if (PATH_MAX <= len + strlen("/objects"))
+               die("Too long path: %.*s", 60, suspect);
        strcpy(path, suspect);
        if (getenv(DB_ENVIRONMENT)) {
                if (access(getenv(DB_ENVIRONMENT), X_OK))