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avformat/electronicarts: Clear partial_packet on error 

Fixes: Infinite loop
Fixes: 30165/clusterfuzz-testcase-minimized-ffmpeg_dem_EA_fuzzer-6224642371092480

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 59bb9dc2a6)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2021-02-11 22:40:21 +01:00
parent 8e8bf8ca8f
commit 70855e0e61
1 changed files with 1 additions and 0 deletions
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libavformat/electronicarts.c
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@ -729,6 +729,7 @@ get_video_packet:
ret = av_get_packet(pb, pkt, chunk_size);
if (ret < 0) {
packet_read = 1;
partial_packet = 0;
break;
}
partial_packet = chunk_type == MVIh_TAG;