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Bug#1020559: libc6: After upgrading libc6 expr is crashing with "stack smashing detected"



Hi Aurelien, 

Old libc is because I reverted it as some scripts I use and autoconf as well were breaking.

I assume I have mentioned in report that a downgrade solved crash. If I missed sorry about that.

Sorry for top posting as I’m replying from my pho e 

Sent from my iPhone

> On 24-Sep-2022, at 03:21, Aurelien Jarno <aurelien@aurel32.net> wrote:
> 
> Hi,
> 
>> On 2022-09-23 21:28, Bernhard Übelacker wrote:
>>> On Fri, 23 Sep 2022 14:45:07 +0530 Vasudev Kamath <vasudev@debian.org> wrote:
>>> Package: libc6
>>> Version: 2.34-8
>> 
>>> I upgraded libc6 to latest released 2.35-1
>> 
>>>                Module ld-linux-x86-64.so.2 with build-id a03c3b14d371da908a3f22007b3f0c73d1f9f634
>>>                Module libc.so.6 with build-id ef3afb43092687d7fcc8167fabdee73f4a3287f1
>>>                Module libgmp.so.10 with build-id 25c73b398493c695a013a6d9d493a8316aac0fa0
>>>                Module expr with build-id b919757cbc30fbb64b14498222499d972fd80acd
>> 
>> 
>>> Versions of packages libc6 suggests:
>>> ii  debconf [debconf-2.0]  1.5.79
>>> pn  glibc-doc              <none>
>>> ii  libc-l10n              2.35-1
>>> ii  libnss-nis             3.1-4
>>> ii  libnss-nisplus         1.3-4
>>> ii  locales                2.35-1
>> 
>> 
>> 
>> Hello Vasudev,
>> I wonder if this libc6 installation is completed.
>> Because the bug report mentions version 2.34-8 from testing,
>> but e.g. locales and libc-l10n is 2.35-1.
>> 
>> Also searching for a package containing the debug information
>> for the build-id from the modules listing returns currently
>> the version 2.34-8 from testing.
>> 
>> But the build-id for ld-linux-x86-64.so.2 points to 2.35-1.
>> 
>> Maybe the libc package installation got interrupted?
> 
> Good catch. I also noticed that the libraries seems to be located in
> /usr/lib/x86_64-linux-gnu/, which is typical of a usrmerge system, but
> reportbug says "merged-usr: no".
> 
> Vasudev, you should probably check that you do not have too versions of
> the glibc on your system, one in /lib/x86_64-linux-gnu/ and another one
> in /usr/lib/x86_64-linux-gnu/ without the /lib -> usr/lib symlink.
> 
> Regards
> Aurelien
> 
> -- 
> Aurelien Jarno                          GPG: 4096R/1DDD8C9B
> aurelien@aurel32.net                 http://www.aurel32.net


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