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avcodec/pgssubdec: Free subtitle on error
Fixes: Assertion failure Fixes: 19753/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_PGSSUB_fuzzer-5688461843759104 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Reviewed-by: Paul B Mahol <onemda@gmail.com> Signed-off-by: Michael Niedermayer <michael@niedermayer.cc> (cherry picked from commit b0a718923bb4a75b0c1cbf283fb17a319b840346) Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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@ -691,8 +691,11 @@ static int decode(AVCodecContext *avctx, void *data, int *data_size,
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ret = AVERROR_INVALIDDATA;
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break;
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}
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if (ret < 0 && (avctx->err_recognition & AV_EF_EXPLODE))
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if (ret < 0 && (avctx->err_recognition & AV_EF_EXPLODE)) {
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avsubtitle_free(data);
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*data_size = 0;
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return ret;
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}
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buf += segment_length;
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}
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