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V4L/DVB (12436): stk-webcam: read buffer overflow
It tested the value of stk_sizes[i].m before checking whether i was in range. Cc: Hans Verkuil <hverkuil@xs4all.nl> Cc: Trent Piepho <xyzzy@speakeasy.org> Signed-off-by: Roel Kluin <roel.kluin@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Douglas Schilling Landgraf <dougsland@redhat.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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1 changed files with 2 additions and 2 deletions
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@ -1050,8 +1050,8 @@ static int stk_setup_format(struct stk_camera *dev)
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depth = 1;
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depth = 1;
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else
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else
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depth = 2;
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depth = 2;
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while (stk_sizes[i].m != dev->vsettings.mode
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while (i < ARRAY_SIZE(stk_sizes) &&
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&& i < ARRAY_SIZE(stk_sizes))
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stk_sizes[i].m != dev->vsettings.mode)
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i++;
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i++;
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if (i == ARRAY_SIZE(stk_sizes)) {
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if (i == ARRAY_SIZE(stk_sizes)) {
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STK_ERROR("Something is broken in %s\n", __func__);
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STK_ERROR("Something is broken in %s\n", __func__);
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