On 6/27/19, Michael Niedermayer <mich...@niedermayer.cc> wrote: > Fixes: signed integer overflow: 61 + 2147483647 cannot be represented in > type 'int' > Fixes: > 15311/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_DXV_fuzzer-5742552826773504 > > Found-by: continuous fuzzing process > https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg > Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > --- > libavcodec/dxv.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/libavcodec/dxv.c b/libavcodec/dxv.c > index 5fd1844094..3506775560 100644 > --- a/libavcodec/dxv.c > +++ b/libavcodec/dxv.c > @@ -745,7 +745,7 @@ static int dxv_decompress_cocg(DXVContext *ctx, > GetByteContext *gb, > int skip0, skip1, oi0 = 0, oi1 = 0; > int ret, state0 = 0, state1 = 0; > > - if (op_offset < 12) > + if (op_offset < 12 || op_offset - 12 > bytestream2_get_bytes_left(gb)) > return AVERROR_INVALIDDATA; > > dst = tex_data; > -- > 2.22.0 > > _______________________________________________ > 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".
Make sure this does not break any files. _______________________________________________ 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".
