commit 32d1776b1341c17b99da862e80ddf151a5b558fe
author Frank Lichtenheld <flichtenheld@astaro.com> Sat Apr 18 16:14:02 2009 +0200
committer Junio C Hamano <gitster@pobox.com> Sat Apr 18 13:06:40 2009 -0700
tree 6917dd74528fbc8397edf2a3f9786504bab3430e
parent e0b3cc0dffbc965ffa33155cbdcf8d44716c134c

init: Do not segfault on big GIT_TEMPLATE_DIR environment variable

Signed-off-by: Frank Lichtenheld <flichtenheld@astaro.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

builtin-init-db.c

diff --git a/builtin-init-db.c b/builtin-init-db.c
index d30c3fe..6cc945d 100644
--- a/builtin-init-db.c
+++ b/builtin-init-db.c
@@ -122,8 +122,10 @@
 		template_dir = system_path(DEFAULT_GIT_TEMPLATE_DIR);
 	if (!template_dir[0])
 		return;
+	template_len = strlen(template_dir);
+	if (PATH_MAX <= (template_len+strlen("/config")))
+		die("insanely long template path %s", template_dir);
 	strcpy(template_path, template_dir);
-	template_len = strlen(template_path);
 	if (template_path[template_len-1] != '/') {
 		template_path[template_len++] = '/';
 		template_path[template_len] = 0;