Fixes: Timeout Fixes: 35286/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_EXR_fuzzer-6557139802914816 Fixes: 31253/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_EXR_fuzzer-4901782326214656
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> --- libavcodec/exr.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/libavcodec/exr.c b/libavcodec/exr.c index e7387ffd66..f7d59c8241 100644 --- a/libavcodec/exr.c +++ b/libavcodec/exr.c @@ -1299,6 +1299,9 @@ static int decode_block(AVCodecContext *avctx, void *tdata, axmax = FFMAX(0, (avctx->width - (s->xmax + 1))) * step; } + if (avctx->max_pixels && uncompressed_size > avctx->max_pixels * 16LL) + return AVERROR_INVALIDDATA; + if (data_size < uncompressed_size || s->is_tile) { /* td->tmp is use for tile reorganization */ av_fast_padded_malloc(&td->tmp, &td->tmp_size, uncompressed_size); if (!td->tmp) -- 2.17.1 _______________________________________________ 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".
