unicode-utils: Add a null check to UTF-8 validation

Fixes #18563.
2022-10-30 08:24:53 +00:00 · 2022-10-30 08:24:53 +00:00 · 9504b54bc1
parent 4851b4ceb5
commit 9504b54bc1
1 changed files with 1 additions and 1 deletions
--- a/wsutil/unicode-utils.h
+++ b/wsutil/unicode-utils.h
@ -37,7 +37,7 @@ extern "C" {
 #define _CHECK_UTF_8(level, str, len) \
  do {                                                                \
    const char *__uni_endptr;                                         \
-    if (DEBUG_UTF_8_ENABLED &&                                        \
+    if (DEBUG_UTF_8_ENABLED && (str) != NULL &&                       \
                        !g_utf8_validate(str, len, &__uni_endptr)) {  \
      ws_log_utf8(str, len, __uni_endptr);                            \
    }                                                                 \