diff --git a/include/linux/ptr_ring.h b/include/linux/ptr_ring.h index 1883d6137e9b70915c50ad7c1eb36839c80dd555..6051a5fe69131d880fd0a0e1cb379e4b2208a4cd 100644 --- a/include/linux/ptr_ring.h +++ b/include/linux/ptr_ring.h @@ -466,6 +466,8 @@ static inline int ptr_ring_consume_batched_bh(struct ptr_ring *r, static inline void **__ptr_ring_init_queue_alloc(unsigned int size, gfp_t gfp) { + if (size * sizeof(void *) > KMALLOC_MAX_SIZE) + return NULL; return kcalloc(size, sizeof(void *), gfp); }