avcodec/dirac_dwt_template: Fix several integer overflows in horizontal_compose_daub97i()
authorMichael Niedermayer <michael@niedermayer.cc>
Sun, 22 Jul 2018 17:11:04 +0000 (19:11 +0200)
committerMichael Niedermayer <michael@niedermayer.cc>
Sat, 28 Jul 2018 12:35:50 +0000 (14:35 +0200)
commit69cac9e130dc8c9d2a5b8012011df372974adf35
treea26fe1b435ad3a6c1bd4ca9ed2645de107d10f4c
parent51290406461ed40b70e0e05b389a461a283f3367
avcodec/dirac_dwt_template: Fix several integer overflows in horizontal_compose_daub97i()

Fixes: signed integer overflow: 2147483647 + 1 cannot be represented in type 'int'
Fixes: 8926/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_DIRAC_fuzzer-6047609228623872

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
libavcodec/dirac_dwt_template.c