avcodec/mjpegdec: Check index in ljpeg_decode_yuv_scan() before using it
authorMichael Niedermayer <michael@niedermayer.cc>
Wed, 4 Nov 2015 17:08:52 +0000 (18:08 +0100)
committerMichael Niedermayer <michael@niedermayer.cc>
Thu, 12 Nov 2015 01:55:47 +0000 (02:55 +0100)
commitedf06a056253267bb1f2fba3bbc17f4b323f92b1
tree381eed4c199a17befa2e9eddb0616f2d851f53b1
parent5ae4842122ca5b70f5499d233ff99143ac3369e4
avcodec/mjpegdec: Check index in ljpeg_decode_yuv_scan() before using it

Fixes: 04715144ba237443010554be0d05343f/asan_heap-oob_1eafc76_1737_c685b48041a563461839e4e7ab97abb8.jpg
Fixes out of array access

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit d24888ef19ba38b787b11d1ee091a3d94920c76a)

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
libavcodec/mjpegdec.c