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V4L/DVB (12436): stk-webcam: read buffer overflow

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It tested the value of stk_sizes[i].m before checking whether i was in range.

Cc: Hans Verkuil <[email protected]>
Cc: Trent Piepho <[email protected]>
Signed-off-by: Roel Kluin <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Douglas Schilling Landgraf <[email protected]>
Signed-off-by: Mauro Carvalho Chehab <[email protected]>
This commit is contained in:
Roel Kluin 2009-08-10 22:17:25 -03:00 • committed by Mauro Carvalho Chehab
commit 77f2c2db11
1 changed files with 2 additions and 2 deletions
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4
drivers/media/video/stk-webcam.c
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@ -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__);