avcodec/mjpegdec: Fix integer overflow in ljpeg_decode_rgb_scan()
authorMichael Niedermayer <michael@niedermayer.cc>
Tue, 5 Jun 2018 00:17:24 +0000 (02:17 +0200)
committerMichael Niedermayer <michael@niedermayer.cc>
Sun, 17 Jun 2018 23:16:04 +0000 (01:16 +0200)
commitaa30aa8c136425a488eb9a059c6b8ca005f7bf48
tree3cb517441e013bc21db420126107c989eb6c3847
parentc4c56eb839c02be120bef7a90d01e29d3bdd8f0b
avcodec/mjpegdec: Fix integer overflow in ljpeg_decode_rgb_scan()

Fixes: signed integer overflow: 32768 + 2147450880 cannot be represented in type 'int'
Fixes: 7885/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_THP_fuzzer-5298834394578944

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 936f4a2c2e14ec753e8835f2e820b4cd9aec9a56)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
libavcodec/mjpegdec.c