diff options
author | Michael Niedermayer <michael@niedermayer.cc> | 2020-01-04 21:58:28 +0100 |
---|---|---|
committer | Michael Niedermayer <michael@niedermayer.cc> | 2020-05-19 17:17:35 +0200 |
commit | f1d84ff4cb171dbf5e748c3d7b3cb491c8f7f049 (patch) | |
tree | 24342b385586d7f11547dd7f0ceb43ca75f92751 | |
parent | 393eff8917b0fe1e26667cc4599aeb16ace5728c (diff) | |
download | ffmpeg-f1d84ff4cb171dbf5e748c3d7b3cb491c8f7f049.tar.gz |
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>
-rw-r--r-- | libavcodec/pgssubdec.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/libavcodec/pgssubdec.c b/libavcodec/pgssubdec.c index 8c10f6d573..7fadcb8b4b 100644 --- a/libavcodec/pgssubdec.c +++ b/libavcodec/pgssubdec.c @@ -691,8 +691,11 @@ static int decode(AVCodecContext *avctx, void *data, int *data_size, ret = AVERROR_INVALIDDATA; break; } - if (ret < 0 && (avctx->err_recognition & AV_EF_EXPLODE)) + if (ret < 0 && (avctx->err_recognition & AV_EF_EXPLODE)) { + avsubtitle_free(data); + *data_size = 0; return ret; + } buf += segment_length; } |