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