From 1b0b962d771fb734cbf273f216b487bb58dec7b9 Mon Sep 17 00:00:00 2001 From: Greg Brockman Date: Tue, 20 Jul 2010 00:46:21 -0400 Subject: [PATCH] Check size of path buffer before writing into it This prevents a buffer overrun that could otherwise be triggered by creating a file called '.git' with contents gitdir: (something really long) Signed-off-by: Greg Brockman Signed-off-by: Junio C Hamano --- setup.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/setup.c b/setup.c index e3781b656d..01e1a6a7c5 100644 --- a/setup.c +++ b/setup.c @@ -153,6 +153,8 @@ 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)) -- 2.11.4.GIT