diff options
| author | Michael Niedermayer <michael@niedermayer.cc> | 2023-09-20 23:53:21 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2023-12-29 00:45:20 +0100 |
| commit | c75fccd1d417f288b1ea7f76824f6a6ea652ea92 (patch) | |
| tree | b0e4ea5a273edee47bc220159eb0f46390dded27 | |
| parent | 545686e49e37242a727de3f00e6bf1aef861449e (diff) | |
| download | ffmpeg-c75fccd1d417f288b1ea7f76824f6a6ea652ea92.tar.gz | |
avcodec/osq: Implement flush()
Fixes: out of array access
Fixes: 62164/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_OSQ_fuzzer-6227491892887552
Fixes: 62164/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_OSQ_fuzzer-6268561729126400
Fixes: 62164/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_OSQ_fuzzer-6414805046788096
Fixes: 62164/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_OSQ_fuzzer-6538151088488448
Fixes: 62164/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_OSQ_fuzzer-6608131540779008
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavcodec/osq.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/libavcodec/osq.c b/libavcodec/osq.c index 435f3ea7f6..f47213bf0c 100644 --- a/libavcodec/osq.c +++ b/libavcodec/osq.c @@ -61,6 +61,14 @@ typedef struct OSQContext { int pkt_offset; } OSQContext; +static void osq_flush(AVCodecContext *avctx) +{ + OSQContext *s = avctx->priv_data; + + s->bitstream_size = 0; + s->pkt_offset = 0; +} + static av_cold int osq_close(AVCodecContext *avctx) { OSQContext *s = avctx->priv_data; @@ -478,4 +486,5 @@ const FFCodec ff_osq_decoder = { AV_SAMPLE_FMT_S16P, AV_SAMPLE_FMT_S32P, AV_SAMPLE_FMT_NONE }, + .flush = osq_flush, }; |