avcodec/ralf: Fix integer overflow in apply_lpc()
authorMichael Niedermayer <michael@niedermayer.cc>
Sun, 8 Dec 2019 12:48:45 +0000 (13:48 +0100)
committerMichael Niedermayer <michael@niedermayer.cc>
Sun, 2 Feb 2020 23:11:18 +0000 (00:11 +0100)
commitfd313d8cf8368918882b6de0880e44ae25cc7394
tree5323fa9c9e2e6edf2c8ddcfac202482afdae83a0
parentbfea054a75f17d140f2f171056a801c4c89f6d26
avcodec/ralf: Fix integer overflow in apply_lpc()

Fixes: signed integer overflow: 2147482897 + 2048 cannot be represented in type 'int'
Fixes: 19240/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_RALF_fuzzer-5743240326414336
Fixes: 19869/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_RALF_fuzzer-5150136636538880

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