MDEV-29461 AddressSanitizer: stack-buffer-overflow in strxmov

MariaDB · Jan 20, 2023 · 734ad06 · 734ad06
1 parent 0c27559
commit 734ad06
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/sql/discover.h b/sql/discover.h
@@ -28,7 +28,7 @@ int writefrm(const char *path, const char *db, const char *table,
 inline void deletefrm(const char *path)
 {
   char frm_name[FN_REFLEN];
-  strxmov(frm_name, path, reg_ext, NullS);
+  strxnmov(frm_name, sizeof(frm_name)-1, path, reg_ext, NullS);
   mysql_file_delete(key_file_frm, frm_name, MYF(0));
 }