Fixes: signed integer overflow: 2147483188 + 2048 cannot be represented in type 'int' Fixes: 18741/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_TRUESPEECH_fuzzer-5748950460268544
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 d7c2d535e2..3cdae8c556 100644 --- a/libavcodec/truespeech.c +++ b/libavcodec/truespeech.c @@ -255,7 +255,7 @@ static void truespeech_synth(TSContext *dec, int16_t *out, int quart) int sum = 0; for(k = 0; k < 8; k++) sum += ptr0[k] * (unsigned)ptr1[k]; - sum = out[i] + ((sum + 0x800) >> 12); + sum = out[i] + ((int)(sum + 0x800U) >> 12); out[i] = av_clip(sum, -0x7FFE, 0x7FFE); for(k = 7; k > 0; k--) ptr0[k] = ptr0[k - 1]; -- 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".
