libkmod: fix an overflow with wrong modules.builtin.modinfo

Fix a possbile overflow with exact PATH_MAX length modname
in wrong modules.builtin.modinfo.

Signed-off-by: Seung-Woo Kim <sw0312.kim@samsung.com>

diff --git a/libkmod/libkmod-builtin.c b/libkmod/libkmod-builtin.c
index fc9a37644261bdb8b45aae754c960ee4d6828950..a75a542f6942893b221fe588bca042b6b8fc3c79 100644 (file)
--- a/libkmod/libkmod-builtin.c
+++ b/libkmod/libkmod-builtin.c
@@ -246,7 +246,7 @@ bool kmod_builtin_iter_get_modname(struct kmod_builtin_iter *iter,
 
        len = dot - line;
 
-       if (len > PATH_MAX) {
+       if (len >= PATH_MAX) {
                sv_errno = ENAMETOOLONG;
                goto fail;
        }