Commit 8c693104 authored by Michael Niedermayer's avatar Michael Niedermayer

avcodec/aliaspixdec: Check input size against minimal picture size

Fixes: Timeout (15sec -> 72ms)
Fixes: 17774/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ALIAS_PIX_fuzzer-5193929107963904

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpegSigned-off-by: 's avatarMichael Niedermayer <michael@niedermayer.cc>
parent 7916b686
......@@ -62,6 +62,9 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
if (ret < 0)
return ret;
if (bytestream2_get_bytes_left(&gb) < width*height / 255)
return AVERROR_INVALIDDATA;
ret = ff_get_buffer(avctx, f, 0);
if (ret < 0)
return ret;
......
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