X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;f=abspath.c;h=649f34f83365db3513c5166b897c4f033831444d;hb=3535dbb3d10cb2782dfbb77c07f2f7d9c44bd41f;hp=8194ce1256525105d07eedf2f964ad51d9162d95;hpb=8c1944dd3468c8585ab3bdf149834d3256c797b4;p=git.git

diff --git a/abspath.c b/abspath.c
index 8194ce125..649f34f83 100644
--- a/abspath.c
+++ b/abspath.c
@@ -64,6 +64,8 @@ const char *make_absolute_path(const char *path)
 			len = readlink(buf, next_buf, PATH_MAX);
 			if (len < 0)
 				die ("Invalid symlink: %s", buf);
+			if (PATH_MAX <= len)
+				die("symbolic link too long: %s", buf);
 			next_buf[len] = '\0';
 			buf = next_buf;
 			buf_index = 1 - buf_index;