On Mon, Nov 02, 2020 at 11:44:00AM +0100, Paul B Mahol wrote: > On Mon, Nov 2, 2020 at 11:21 AM Michael Niedermayer <mich...@niedermayer.cc> > wrote: > > > On Wed, Oct 07, 2020 at 08:19:12PM +0000, Paul B Mahol wrote: > > > ffmpeg | branch: master | Paul B Mahol <one...@gmail.com> | Fri Oct 2 > > 12:16:49 2020 +0200| [da5b3d002862d1e105002a6dc1567e6551860896] | > > committer: Paul B Mahol > > > > > > avcodec/tiff: do not abort decoding if strips are available > > > > > > Even if such files are invalid, they can be decoded just fine. > > > > Please provide such files so it can be implemented correctly > > this commit causes security issues > > Without such invalid-tile+stripe-jpegs which we can decode > > its plausible that a fix to the security issue will break that > > class of files again > > > > > FIles are freely available on internet, use your search skills to find it.
As you know of a specific file and I do not, you should provide a link.
Or add a fate test ...
Its trivial for you, while searching the internet for a specific broken tiff
file is not a trivial task. None of the files i have tested are affected by
this
You do not have to of course, but then what else do you imagine should happen?
Do you want this to be reverted ?
Do you want a open security issue ?
Do you want other developers spend their time searching for a link you have
but dont tell ?
Iam sure you realize none of these options really makes sense
thx
PS: a fate test with that invalid tiff file also would be a good argument
for you against a revert
[...]
--
Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB
Rewriting code that is poorly written but fully understood is good.
Rewriting code that one doesnt understand is a sign that one is less smart
then the original author, trying to rewrite it will not make it better.
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