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 <mich...@niedermayer.cc> --- libavcodec/ralf.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/ralf.c b/libavcodec/ralf.c index d8f1803086..15be19b526 100644 --- a/libavcodec/ralf.c +++ b/libavcodec/ralf.c @@ -330,7 +330,7 @@ static void apply_lpc(RALFContext *ctx, int ch, int length, int bits) acc = (acc + bias - 1) >> ctx->filter_bits; acc = FFMAX(acc, min_clip); } else { - acc = (acc + bias) >> ctx->filter_bits; + acc = ((unsigned)acc + bias) >> ctx->filter_bits; acc = FFMIN(acc, max_clip); } audio[i] += acc; -- 2.24.0 _______________________________________________ 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".
