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media: rcar_drif: fix a memory disclosure

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[ Upstream commit d39083234c ]

"f->fmt.sdr.reserved" is uninitialized. As other peer drivers
like msi2500 and airspy do, the fix initializes it to avoid
memory disclosures.

Signed-off-by: Kangjie Lu <kjlu@umn.edu>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Kangjie Lu
2019-10-18 01:47:00 -03:00
committed by Greg Kroah-Hartman
parent bf76b8a265
commit 96d7c3cb33
1 changed files with 1 additions and 0 deletions
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1
drivers/media/platform/rcar_drif.c
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@@ -912,6 +912,7 @@ static int rcar_drif_g_fmt_sdr_cap(struct file *file, void *priv,
{
struct rcar_drif_sdr *sdr = video_drvdata(file);
memset(f->fmt.sdr.reserved, 0, sizeof(f->fmt.sdr.reserved));
f->fmt.sdr.pixelformat = sdr->fmt->pixelformat;
f->fmt.sdr.buffersize = sdr->fmt->buffersize;