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Code Issues Releases Activity

avcodec/av1dec: reset the fragment on reading failure

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Fixes: NULL pointer dereference
Fixes: 59359/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_AV1_fuzzer-6726080594313216

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: James Almer <jamrial@gmail.com>
This commit is contained in:
James Almer 2023-06-02 13:59:35 -03:00
parent 9a9b56c870
commit 8c6b931f4c
1 changed files with 1 additions and 0 deletions
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libavcodec/av1dec.c
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@ -1460,6 +1460,7 @@ static int av1_receive_frame(AVCodecContext *avctx, AVFrame *frame)
ret = ff_cbs_read_packet(s->cbc, &s->current_obu, s->pkt);
if (ret < 0) {
ff_cbs_fragment_reset(&s->current_obu);
av_packet_unref(s->pkt);
av_log(avctx, AV_LOG_ERROR, "Failed to read packet.\n");
return ret;