From: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
To: Pekka Enberg <penberg@kernel.org>
Cc: Anton Vorontsov <anton.vorontsov@linaro.org>, linux-mm@kvack.org
Subject: [PATCH 1/2] vmevent: don't leak unitialized data to userspace
Date: Wed, 23 May 2012 09:27:58 +0200 [thread overview]
Message-ID: <201205230927.58802.b.zolnierkie@samsung.com> (raw)
From: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Subject: [PATCH] vmevent: don't leak unitialized data to userspace
Remember to initialize all attrs[nr] fields in vmevent_setup_watch().
Cc: Anton Vorontsov <anton.vorontsov@linaro.org>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
---
mm/vmevent.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
Index: b/mm/vmevent.c
===================================================================
--- a/mm/vmevent.c 2012-05-22 17:51:13.195231958 +0200
+++ b/mm/vmevent.c 2012-05-22 17:51:40.991231956 +0200
@@ -350,7 +350,10 @@
attrs = new;
- attrs[nr++].type = attr->type;
+ attrs[nr].type = attr->type;
+ attrs[nr].value = 0;
+ attrs[nr].state = 0;
+ nr++;
}
watch->sample_attrs = attrs;
--
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next reply other threads:[~2012-05-23 7:29 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-05-23 7:27 Bartlomiej Zolnierkiewicz [this message]
2012-05-25 7:17 ` Pekka Enberg
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