avcodec/ffwavesynth: Check ts_end - ts_start for overflow
authorMichael Niedermayer <michael@niedermayer.cc>
Sun, 16 Jun 2019 14:12:42 +0000 (16:12 +0200)
committerMichael Niedermayer <michael@niedermayer.cc>
Wed, 26 Jun 2019 19:27:08 +0000 (21:27 +0200)
commit2db7a3bc4acdd293ed10b71e55f16a45ca28b629
tree5b8152d05860f8ff2615011d5f3f83e28a586d62
parent507ca66ee41aa8a95b75654163f77af0a99a25b1
avcodec/ffwavesynth: Check ts_end - ts_start for overflow

Fixes: signed integer overflow: 2314885530818453536 - -8926099139098304480 cannot be represented in type 'long'
Fixes: 15259/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_FFWAVESYNTH_fuzzer-5764366093254656

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