[PATCH v2] libio: Add test for fopen with an empty ", ccs=" value [BZ #34574]

[Adhemerval Zanella Netto]

On 04/09/26 10:55, Florian Weimer wrote:
> * Adhemerval Zanella Netto:
> 
>> On 04/09/26 09:51, Florian Weimer wrote:
>>> * Shamil Abdulaev:
>>>
>>>> This goes on top of the fix for CVE-2026-18374.  The test runs the
>>>> reproducer from the bug report, plus "w,ccs=" and "w,ccs=,", and
>>>> expects NULL with errno set to EINVAL.
>>>>
>>>> Signed-off-by: Shamil Abdulaev <ashamil435@gmail.com>
>>>
>>> New version is okay.
>>>
>>> Reviewed-by: Florian Weimer <fweimer@redhat.com>
>> This new test triggers a CI failure [1].
>>
>> [1] https://patchwork.sourceware.org/project/glibc/patch/c0f916545dc702fe6381758f927c3e9f14203bc6.1788455957.git.ashamil435@gmail.com/
> 
> I believe that's because it wasn't tested along with the separately
> submitted fix.
It would guess, maybe either squash the test with the fix or send it in
patchset.