Memcpy only when p_word is not NULL

enable -fsanitize=address
2 years ago · a2ca4616b9
1 changed files with 2 additions and 1 deletions
--- a/src/frontend/parser/glob.c
+++ b/src/frontend/parser/glob.c
@ -606,7 +606,8 @@ wordlist_l *wll_cons(

    if (opt & OPT_WLL_COPY_ALL) {
        char *p_dst = w->wl.wl_word = TMALLOC(char, n_elem_word_alloc);
-        (void) memcpy(p_dst, p_word, n_char_word);
+        if(p_word)
+            (void) memcpy(p_dst, p_word, n_char_word);
        p_dst += n_char_word;
        *p_dst = '\0';
    }