Binary files are appropriate in a repository, for example, Apache
Commons Compress contains various normal and broken compressed files
in its test fixtures.

Gary

On Tue, Apr 2, 2024 at 3:04 PM Mike Drob <md...@apache.org> wrote:
>
> Security,
>
> One of the interesting things coming out of the xz backdoor investigation is 
> the apparent use of binary data in "test files" to precipitate the backdoor. 
> I know that we have a "no compiled code" policy for our releases, but I have 
> also seen in practice that projects let binary junk in to test folders 
> (myself having checked in binaries to tests at least once). Is there an 
> opportunity here to shore up the repo contents?
>
> Can we do this in a way that doesn't involve inspecting each file manually 
> and then concluding that it needs to stay because we're testing backwards 
> compat for data produced by an older version of the code and we can't 
> actually generate anymore, so there's no action that we can take?
>
> This is a parallel discussion to Jarek's thread on this list regarding 
> provenance checks. Instead of at release time, maybe we shift some of the 
> checking or building to earlier in the development cycle?
>
> Mike
>
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