basic/utf8: do not read past end of string when looking for a multi-byte character

Fixes https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=9341.

1 files changed, 1 insertions, 1 deletions

diff --git a/src/libudev/libudev-util.c b/src/libudev/libudev-util.c
index 7e21719fbf..37660d0313 100644
--- a/src/libudev/libudev-util.c
+++ b/src/libudev/libudev-util.c
@@ -175,7 +175,7 @@ size_t util_replace_chars(char *str, const char *white) {
                 }
 
                 /* accept valid utf8 */
-                len = utf8_encoded_valid_unichar(&str[i]);
+                len = utf8_encoded_valid_unichar(str + i, (size_t) -1);
                 if (len > 1) {
                         i += len;
                         continue;