avcodec/mjpegdec: check bits per pixel for changes similar to dimensions
Fixes out of array accesses Fixes: asan_heap-oob_16668e9_2_asan_heap-oob_16668e9_346_miss_congeniality_pegasus_mjpg.avi Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind Signed-off-by:Michael Niedermayer <michaelni@gmx.at> (cherry picked from commit 5c378d6a ) Signed-off-by:
Michael Niedermayer <michaelni@gmx.at>
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+7 -5
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