diff options
| author | Michael Niedermayer <michael@niedermayer.cc> | 2020-01-04 21:58:28 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2020-01-05 20:31:42 +0100 |
| commit | b0a718923bb4a75b0c1cbf283fb17a319b840346 (patch) | |
| tree | b757370829b86dbd433aa8f05b90a1e2ad6b5beb | |
| parent | 8aa3c09c1b5d064225eb87b1c99779f1d8128d0f (diff) | |
| download | ffmpeg-b0a718923bb4a75b0c1cbf283fb17a319b840346.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>
| -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; } |