media: ivtv: stop VBI start-code scan before short tail

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compress_sliced_buf() scans one byte at a time while testing a four-byte
VBI start code.  The final iterations can read beyond the remaining
buffer tail.

Stop the scan once fewer than four bytes remain.

Signed-off-by: Pengpeng Hou <pengpeng@iscas.ac.cn>
Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>

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Pengpeng Hou 2026-06-30 15:19:33 +08:00 • committed by Hans Verkuil

parent bf533acaaa

commit f373cf17fb

1 changed files with 1 additions and 1 deletions

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drivers/media/pci/ivtv/ivtv-vbi.c

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