96d8569563
The maximum number of buffers that can be requested was increased to
64 for the video capture queue. But video capture used a must_blank
array that was still sized for 32 (VIDEO_MAX_FRAME). This caused an
out-of-bounds write when using buffer indices >= 32.
Create a new define MAX_VID_CAP_BUFFERS that is used to access the
must_blank array and set max_num_buffers for the video capture queue.
This solves a crash reported by:
https://bugzilla.kernel.org/show_bug.cgi?id=219258
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Fixes:
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.. | ||
vicodec | ||
vidtv | ||
vimc | ||
visl | ||
vivid | ||
Kconfig | ||
Makefile | ||
vim2m.c |