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avcodec/utils: fix leak of subtitle_header on error path

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Fixes: memleak
Fixes: 15528/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_STL_fuzzer-5735993371525120
Fixes: 15792/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_SAMI_fuzzer-5737754232619008
Fixes: 16008/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_SSA_fuzzer-5650582821404672

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2019-07-04 23:39:23 +02:00
parent 73afea3ccc
commit 923d5c489f
1 changed files with 1 additions and 0 deletions
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libavcodec/utils.c
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@ -1041,6 +1041,7 @@ FF_ENABLE_DEPRECATION_WARNINGS
av_dict_free(&tmp);
av_freep(&avctx->priv_data);
av_freep(&avctx->subtitle_header);
if (avctx->internal) {
av_frame_free(&avctx->internal->to_free);
av_frame_free(&avctx->internal->compat_decode_frame);