From: Sebastian Andrzej Siewior <bige...@linutronix.de>
4.9.115-rt94-rc1 stable review patch.
If you have any objection to the inclusion of this patch, let me know.
--- 8< --- 8< --- 8< ---
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...@vger.kernel.org
Signed-off-by: Sebastian Andrzej Siewior <bige...@linutronix.de>
(cherry picked from commit 5022166d3b225bf5e343efb3ea01b3c5a41d69ba)
Signed-off-by: Julia Cartwright <ju...@ni.com>
---
mm/slub.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/mm/slub.c b/mm/slub.c
index 67eb368b9314..738b2bccbd5f 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -3209,6 +3209,7 @@ 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;
--
2.18.0
