Fixes: Timeout (19sec -> 44ms) Fixes: 17816/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_PTX_fuzzer-5704459950227456
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> --- libavcodec/ptx.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/libavcodec/ptx.c b/libavcodec/ptx.c index 42147f4afc..19f9305cda 100644 --- a/libavcodec/ptx.c +++ b/libavcodec/ptx.c @@ -55,6 +55,9 @@ static int ptx_decode_frame(AVCodecContext *avctx, void *data, int *got_frame, buf += offset; + if (buf_end - buf < w * bytes_per_pixel) + return AVERROR_INVALIDDATA; + if ((ret = ff_set_dimensions(avctx, w, h)) < 0) 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".
