| Message ID | 20220208145318.26969-2-michael@niedermayer.cc |
|---|---|
| State | Accepted |
| Commit | 28008bf95ed9b2ab5945ae6658358ad7c7f1df35 |
| Headers | show |
| Series | [FFmpeg-devel,1/2] avformat/hls: Use unsigned for iv computation | expand |
| Context | Check | Description |
|---|---|---|
| yinshiyou/make_loongarch64 | success | Make finished |
| yinshiyou/make_fate_loongarch64 | success | Make fate finished |
| andriy/make_x86 | success | Make finished |
| andriy/make_fate_x86 | success | Make fate finished |
| andriy/make_ppc | success | Make finished |
| andriy/make_fate_ppc | success | Make fate finished |
On Tue, Feb 08, 2022 at 03:53:18PM +0100, Michael Niedermayer wrote: > Fixes: signed integer overflow: -1094995529 * 24 cannot be represented in type 'int' > Fixes: 44436/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_SONIC_fuzzer-4874459459223552 > > Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg > Signed-off-by: Michael Niedermayer <michael@niedermayer.cc> > --- > libavcodec/sonic.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) will apply [...]
diff --git a/libavcodec/sonic.c b/libavcodec/sonic.c index cf1cfb1460..0d539e8879 100644 --- a/libavcodec/sonic.c +++ b/libavcodec/sonic.c @@ -1004,7 +1004,7 @@ static int sonic_decode_frame(AVCodecContext *avctx, // dequantize for (i = 0; i < s->num_taps; i++) - s->predictor_k[i] *= s->tap_quant[i]; + s->predictor_k[i] *= (unsigned) s->tap_quant[i]; if (s->lossless) quant = 1;
Fixes: signed integer overflow: -1094995529 * 24 cannot be represented in type 'int' Fixes: 44436/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_SONIC_fuzzer-4874459459223552 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc> --- libavcodec/sonic.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)