Fixes: index 33280 out of bounds for type 'float [32768]' Fixes: 18718/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_XMA2_fuzzer-5635373899710464
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> --- libavcodec/wmaprodec.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/libavcodec/wmaprodec.c b/libavcodec/wmaprodec.c index 070bb32af8..a753044ea7 100644 --- a/libavcodec/wmaprodec.c +++ b/libavcodec/wmaprodec.c @@ -1803,6 +1803,11 @@ static int xma_decode_packet(AVCodecContext *avctx, void *data, ret = decode_packet(avctx, &s->xma[s->current_stream], s->frames[s->current_stream], &got_stream_frame_ptr, avpkt); + if (got_stream_frame_ptr && s->offset[s->current_stream] >= 64) { + got_stream_frame_ptr = 0; + ret = AVERROR_INVALIDDATA; + } + /* copy stream samples (1/2ch) to sample buffer (Nch) */ if (got_stream_frame_ptr) { int start_ch = s->start_channel[s->current_stream]; -- 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".
