Re: [FFmpeg-devel] [PATCH] avcodec/mobiclip: Check quantizer before table setup

2020-09-12 Thread Michael Niedermayer
On Fri, Sep 11, 2020 at 10:00:02PM +0200, Paul B Mahol wrote: > On Fri, Sep 11, 2020 at 08:09:48PM +0200, Michael Niedermayer wrote: > > On Fri, Sep 11, 2020 at 11:12:33AM +0200, Paul B Mahol wrote: > > > On Fri, Sep 11, 2020 at 01:19:59AM +0200, Michael Niedermayer wrote: > > > > Fixes: index -1 o

Re: [FFmpeg-devel] [PATCH] avcodec/mobiclip: Check quantizer before table setup

2020-09-11 Thread Paul B Mahol
On Fri, Sep 11, 2020 at 08:09:48PM +0200, Michael Niedermayer wrote: > On Fri, Sep 11, 2020 at 11:12:33AM +0200, Paul B Mahol wrote: > > On Fri, Sep 11, 2020 at 01:19:59AM +0200, Michael Niedermayer wrote: > > > Fixes: index -1 out of bounds for type 'const uint8_t [6][16]' > > > Fixes: out of arra

Re: [FFmpeg-devel] [PATCH] avcodec/mobiclip: Check quantizer before table setup

2020-09-11 Thread Michael Niedermayer
On Fri, Sep 11, 2020 at 11:12:33AM +0200, Paul B Mahol wrote: > On Fri, Sep 11, 2020 at 01:19:59AM +0200, Michael Niedermayer wrote: > > Fixes: index -1 out of bounds for type 'const uint8_t [6][16]' > > Fixes: out of array read > > Fixes: shift exponent -21 is negative > > Fixes: > > 25422/cluste

Re: [FFmpeg-devel] [PATCH] avcodec/mobiclip: Check quantizer before table setup

2020-09-11 Thread Paul B Mahol
On Fri, Sep 11, 2020 at 01:19:59AM +0200, Michael Niedermayer wrote: > Fixes: index -1 out of bounds for type 'const uint8_t [6][16]' > Fixes: out of array read > Fixes: shift exponent -21 is negative > Fixes: > 25422/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MOBICLIP_fuzzer-57482582265692