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Code Issues Releases Activity

avcodec/ivi: Clear got_p_frame before decoding a new frame using it

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Fixes: assertion failure
Fixes: 21666/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_INDEO4_fuzzer-5706468994318336

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 2020-05-13 00:11:37 +02:00
parent 2570a8777e
commit 1d633e6a0a
1 changed files with 2 additions and 0 deletions
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2
libavcodec/ivi.c
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@ -1192,6 +1192,8 @@ int ff_ivi_decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
AVPacket pkt;
pkt.data = avpkt->data + (get_bits_count(&ctx->gb) >> 3);
pkt.size = get_bits_left(&ctx->gb) >> 3;
ctx->got_p_frame = 0;
av_frame_unref(ctx->p_frame);
ff_ivi_decode_frame(avctx, ctx->p_frame, &ctx->got_p_frame, &pkt);
}
}