From 79988dc2e7dd1bd2b0d77838daeec26c4bf153d7 Mon Sep 17 00:00:00 2001 From: Sebastian Andrzej Siewior Date: Wed, 13 Dec 2017 12:44:14 +0100 Subject: [PATCH 353/365] mm/slub: close possible memory-leak in kmem_cache_alloc_bulk() Under certain circumstances we could leak elements which were moved to the local "to_free" list. The damage is limited since I can't find any users here. Cc: stable-rt@vger.kernel.org Signed-off-by: Sebastian Andrzej Siewior (cherry picked from commit 5022166d3b225bf5e343efb3ea01b3c5a41d69ba) Signed-off-by: Julia Cartwright --- mm/slub.c | 1 + 1 file changed, 1 insertion(+) diff --git a/mm/slub.c b/mm/slub.c index a83b7f1c0957..13a24416c52d 100644 --- a/mm/slub.c +++ b/mm/slub.c @@ -3255,6 +3255,7 @@ int kmem_cache_alloc_bulk(struct kmem_cache *s, gfp_t flags, size_t size, return i; error: local_irq_enable(); + free_delayed(&to_free); slab_post_alloc_hook(s, flags, i, p); __kmem_cache_free_bulk(s, i, p); return 0; -- 2.28.0