Checking patch malloc/malloc.c...
error: while searching for:
   P has already been locked.  It will perform sanity check, then try the
   fast path to free into tcache.  If the attempt not success, free the
   chunk to arena.  */
static void
_int_free (mstate av, mchunkptr p, int have_lock)
{
  INTERNAL_SIZE_T size;        /* its size */

error: patch failed: malloc/malloc.c:4677
error: malloc/malloc.c: patch does not apply