Re: [PATCH v2] selftests/exec: include cwd in long path calculation

Shuah Khan
2017-10-17T14:16:13Z

On 10/12/2017 10:44 PM, Steve Muckle wrote:
> When creating a pathname close to PATH_MAX to test execveat, factor in
> the current working directory path otherwise we end up with an absolute
> path that is longer than PATH_MAX. While execveat() may succeed, subsequent
> calls to the kernel from the runtime environment which are required to
> successfully execute the test binary/script may fail because of this.
>
> To keep the semantics of the test the same, rework the relative pathname
> part of the test to be relative to the root directory so it isn't
> decreased by the length of the current working directory path.
>
> Signed-off-by: Steve Muckle <smuckle.linux@gmail.com>

Thanks for the patch. I plan to get this into 4.15-rc1

-- Shuah