Re: [FFmpeg-devel] [PATCH 3/4] avcodec/dxv: Check op_offset in both directions

2019-09-24 Thread Michael Niedermayer
On Mon, Sep 23, 2019 at 11:09:28AM +0200, Paul B Mahol wrote: > Feel free to apply this patch as it does not break current files, but ok, will apply > I think check is incomplete. yes, more things need to be checked ill send another patch thx [...] -- Michael GnuPG fingerprint: 9FF2128B1

Re: [FFmpeg-devel] [PATCH 3/4] avcodec/dxv: Check op_offset in both directions

2019-09-23 Thread Paul B Mahol
Feel free to apply this patch as it does not break current files, but I think check is incomplete. On 9/10/19, Paul B Mahol wrote: > On 9/10/19, Michael Niedermayer wrote: >> On Mon, Sep 09, 2019 at 10:29:14PM +0200, Paul B Mahol wrote: >>> On 9/9/19, Michael Niedermayer wrote: >>> > On Fri, Ju

Re: [FFmpeg-devel] [PATCH 3/4] avcodec/dxv: Check op_offset in both directions

2019-09-10 Thread Paul B Mahol
On 9/10/19, Michael Niedermayer wrote: > On Mon, Sep 09, 2019 at 10:29:14PM +0200, Paul B Mahol wrote: >> On 9/9/19, Michael Niedermayer wrote: >> > On Fri, Jul 19, 2019 at 09:53:34PM +0200, Michael Niedermayer wrote: >> >> On Fri, Jul 19, 2019 at 03:36:43PM +0200, Paul B Mahol wrote: >> >> > On

Re: [FFmpeg-devel] [PATCH 3/4] avcodec/dxv: Check op_offset in both directions

2019-09-10 Thread Michael Niedermayer
On Mon, Sep 09, 2019 at 10:29:14PM +0200, Paul B Mahol wrote: > On 9/9/19, Michael Niedermayer wrote: > > On Fri, Jul 19, 2019 at 09:53:34PM +0200, Michael Niedermayer wrote: > >> On Fri, Jul 19, 2019 at 03:36:43PM +0200, Paul B Mahol wrote: > >> > On 7/19/19, Michael Niedermayer wrote: > >> > >

Re: [FFmpeg-devel] [PATCH 3/4] avcodec/dxv: Check op_offset in both directions

2019-09-09 Thread Paul B Mahol
On 9/9/19, Michael Niedermayer wrote: > On Fri, Jul 19, 2019 at 09:53:34PM +0200, Michael Niedermayer wrote: >> On Fri, Jul 19, 2019 at 03:36:43PM +0200, Paul B Mahol wrote: >> > On 7/19/19, Michael Niedermayer wrote: >> > > On Thu, Jun 27, 2019 at 09:32:44AM +0200, Paul B Mahol wrote: >> > >> On

Re: [FFmpeg-devel] [PATCH 3/4] avcodec/dxv: Check op_offset in both directions

2019-09-09 Thread Michael Niedermayer
On Fri, Jul 19, 2019 at 09:53:34PM +0200, Michael Niedermayer wrote: > On Fri, Jul 19, 2019 at 03:36:43PM +0200, Paul B Mahol wrote: > > On 7/19/19, Michael Niedermayer wrote: > > > On Thu, Jun 27, 2019 at 09:32:44AM +0200, Paul B Mahol wrote: > > >> On 6/27/19, Michael Niedermayer wrote: > > >>

Re: [FFmpeg-devel] [PATCH 3/4] avcodec/dxv: Check op_offset in both directions

2019-07-19 Thread Michael Niedermayer
On Fri, Jul 19, 2019 at 03:36:43PM +0200, Paul B Mahol wrote: > On 7/19/19, Michael Niedermayer wrote: > > On Thu, Jun 27, 2019 at 09:32:44AM +0200, Paul B Mahol wrote: > >> On 6/27/19, Michael Niedermayer wrote: > >> > Fixes: signed integer overflow: 61 + 2147483647 cannot be represented > >> >

Re: [FFmpeg-devel] [PATCH 3/4] avcodec/dxv: Check op_offset in both directions

2019-07-19 Thread Paul B Mahol
On 7/19/19, Michael Niedermayer wrote: > On Thu, Jun 27, 2019 at 09:32:44AM +0200, Paul B Mahol wrote: >> On 6/27/19, Michael Niedermayer wrote: >> > Fixes: signed integer overflow: 61 + 2147483647 cannot be represented >> > in >> > type 'int' >> > Fixes: >> > 15311/clusterfuzz-testcase-minimized

Re: [FFmpeg-devel] [PATCH 3/4] avcodec/dxv: Check op_offset in both directions

2019-07-19 Thread Michael Niedermayer
On Thu, Jun 27, 2019 at 09:32:44AM +0200, Paul B Mahol wrote: > On 6/27/19, Michael Niedermayer 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 > >

Re: [FFmpeg-devel] [PATCH 3/4] avcodec/dxv: Check op_offset in both directions

2019-06-27 Thread Paul B Mahol
On 6/27/19, Michael Niedermayer 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-fuz

[FFmpeg-devel] [PATCH 3/4] avcodec/dxv: Check op_offset in both directions

2019-06-26 Thread Michael Niedermayer
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: Micha