Fixes: signed integer overflow: -1801695444 + -830224908 cannot be represented in type 'int' Fixes: 17995/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_TRUESPEECH_fuzzer-5648084880588800
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> --- libavcodec/truespeech.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/truespeech.c b/libavcodec/truespeech.c index 799cef0945..d7c2d535e2 100644 --- a/libavcodec/truespeech.c +++ b/libavcodec/truespeech.c @@ -254,7 +254,7 @@ static void truespeech_synth(TSContext *dec, int16_t *out, int quart) for(i = 0; i < 60; i++){ int sum = 0; for(k = 0; k < 8; k++) - sum += ptr0[k] * ptr1[k]; + sum += ptr0[k] * (unsigned)ptr1[k]; sum = out[i] + ((sum + 0x800) >> 12); out[i] = av_clip(sum, -0x7FFE, 0x7FFE); for(k = 7; k > 0; k--) -- 2.23.0 _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".
