On Sun, Jan 15, 2023 at 01:44:09PM +1100, Peter Ross wrote:
> On Fri, Jan 13, 2023 at 01:01:34AM +0100, Michael Niedermayer wrote:
> > Fixes: out of array access
> > Fixes: 
> > 48567/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_WBMP_fuzzer-6652634692190208
> > Fixes: 
> > 48567/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_WBMP_fuzzer-6653703453278208
> > Fixes: 
> > 48567/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_WBMP_fuzzer-6668020758216704
> > Fixes: 
> > 48567/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_WBMP_fuzzer-6684749875249152
> > 
> > Found-by: continuous fuzzing process 
> > https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
> > Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc>
> > ---
> >  libavcodec/wbmpdec.c | 2 +-
> >  1 file changed, 1 insertion(+), 1 deletion(-)
> > 
> > diff --git a/libavcodec/wbmpdec.c b/libavcodec/wbmpdec.c
> > index 9638b55b94..8b105bc135 100644
> > --- a/libavcodec/wbmpdec.c
> > +++ b/libavcodec/wbmpdec.c
> > @@ -72,7 +72,7 @@ static int wbmp_decode_frame(AVCodecContext *avctx, 
> > AVFrame *p,
> >      if (p->linesize[0] == (width + 7) / 8)
> >          bytestream2_get_buffer(&gb, p->data[0], height * ((width + 7) / 
> > 8));
> >      else
> > -        readbits(p->data[0], width, height, p->linesize[0], gb.buffer, 
> > gb.buffer_end - gb.buffer_start);
> > +        readbits(p->data[0], width, height, p->linesize[0], gb.buffer, 
> > gb.buffer_end - gb.buffer);
> >  
> >      p->key_frame = 1;
> >      p->pict_type = AV_PICTURE_TYPE_I;
> 
> please apply.

will apply

thx

[...]

-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

During times of universal deceit, telling the truth becomes a
revolutionary act. -- George Orwell

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