From: Roel Kluin <roel.kluin@gmail.com>
To: mchehab@infradead.org, linux-media@vger.kernel.org,
Andrew Morton <akpm@linux-foundation.org>
Subject: [PATCH] stk-webcam: Read buffer overflow
Date: Fri, 24 Jul 2009 12:45:46 +0200 [thread overview]
Message-ID: <4A6990DA.3070002@gmail.com> (raw)
It tested the value of stk_sizes[i].m before checking whether i was in range.
Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
---
diff --git a/drivers/media/video/stk-webcam.c b/drivers/media/video/stk-webcam.c
index 4d6785e..b154bd9 100644
--- a/drivers/media/video/stk-webcam.c
+++ b/drivers/media/video/stk-webcam.c
@@ -1050,8 +1050,8 @@ static int stk_setup_format(struct stk_camera *dev)
depth = 1;
else
depth = 2;
- while (stk_sizes[i].m != dev->vsettings.mode
- && i < ARRAY_SIZE(stk_sizes))
+ while (i < ARRAY_SIZE(stk_sizes) &&
+ stk_sizes[i].m != dev->vsettings.mode)
i++;
if (i == ARRAY_SIZE(stk_sizes)) {
STK_ERROR("Something is broken in %s\n", __func__);
reply other threads:[~2009-07-24 10:43 UTC|newest]
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