Fixes: Assertion failure Fixes: 17770/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-5700606668308480
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> --- libavformat/electronicarts.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/libavformat/electronicarts.c b/libavformat/electronicarts.c index 6dbc3e350a..c894663c29 100644 --- a/libavformat/electronicarts.c +++ b/libavformat/electronicarts.c @@ -574,11 +574,12 @@ static int ea_read_packet(AVFormatContext *s, AVPacket *pkt) EaDemuxContext *ea = s->priv_data; AVIOContext *pb = s->pb; int partial_packet = 0; + int hit_end = 0; unsigned int chunk_type, chunk_size; int ret = 0, packet_read = 0, key = 0; int av_uninit(num_samples); - while (!packet_read || partial_packet) { + while ((!packet_read && !hit_end) || partial_packet) { chunk_type = avio_rl32(pb); chunk_size = ea->big_endian ? avio_rb32(pb) : avio_rl32(pb); if (chunk_size < 8) @@ -676,7 +677,7 @@ static int ea_read_packet(AVFormatContext *s, AVPacket *pkt) } if (avio_feof(pb)) ret = AVERROR_EOF; - packet_read = 1; + hit_end = 1; break; case MVIh_TAG: @@ -737,6 +738,9 @@ get_video_packet: if (ret < 0 && partial_packet) av_packet_unref(pkt); + if (ret >= 0 && hit_end && !packet_read) + return AVERROR(EAGAIN); + return ret; } -- 2.23.0 _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".
