Debian Bug report logs - #1086795
rsyslog: segmentation fault on ppc64

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Message #5 received at [email protected] (full text, mbox, reply):

From: Stuart MacIntosh <[email protected]>

To: Debian Bug Tracking System <[email protected]>

Subject: rsyslog: Segmentation fault

Date: Wed, 06 Nov 2024 12:18:18 +1300

Package: rsyslog
Version: 8.2406.0-1
Severity: grave
Justification: renders package unusable

Dear Maintainer,

The rsyslog package on ppc64 in sid currently segfaults on Apple Xserve
G5 hardware.

Thanks,
Stuart

-- System Information:
Debian Release: trixie/sid
  APT prefers unreleased
  APT policy: (500, 'unreleased'), (500, 'unstable')
Architecture: ppc64

Kernel: Linux 6.11.5-powerpc64 (SMP w/1 CPU thread)
Locale: LANG=en_NZ.UTF-8, LC_CTYPE=en_NZ.UTF-8 (charmap=UTF-8), LANGUAGE=en_NZ:en
Shell: /bin/sh linked to /usr/bin/dash
Init: systemd (via /run/systemd/system)

Versions of packages rsyslog depends on:
ii  libc6         2.40-3
ii  libestr0      0.1.11-1+b1
ii  libfastjson4  1.2304.0-2
ii  liblognorm5   2.0.6-4+b1
ii  libsystemd0   256.7-3
ii  libuuid1      2.40.2-10
ii  libzstd1      1.5.6+dfsg-1+b1
ii  zlib1g        1:1.3.dfsg+really1.3.1-1+b1

Versions of packages rsyslog recommends:
ii  logrotate  3.22.0-1

Versions of packages rsyslog suggests:
pn  rsyslog-doc                       <none>
pn  rsyslog-gssapi                    <none>
pn  rsyslog-mongodb                   <none>
pn  rsyslog-mysql | rsyslog-pgsql     <none>
pn  rsyslog-openssl | rsyslog-gnutls  <none>
pn  rsyslog-relp                      <none>

-- Configuration Files:
/etc/rsyslog.conf changed [not included]

-- no debconf information

Message #10 received at [email protected] (full text, mbox, reply):

From: Chris Hofstaedtler <[email protected]>

To: Stuart MacIntosh <[email protected]>, [email protected]

Cc: [email protected]

Subject: Re: Bug#1086795: rsyslog: Segmentation fault

Date: Wed, 6 Nov 2024 02:42:56 +0100

Control: severity -1 normal

On Wed, Nov 06, 2024 at 12:18:18PM +1300, Stuart MacIntosh wrote:
> The rsyslog package on ppc64 in sid currently ..

Downgrading, as ppc64 is a d-ports architecture only. Also I'll note
that the current rsyslog version didn't build there.

Message #17 received at [email protected] (full text, mbox, reply):

From: Michael Biebl <[email protected]>

To: Stuart MacIntosh <[email protected]>, [email protected], [email protected]

Subject: Re: Bug#1086795: rsyslog: Segmentation fault

Date: Wed, 6 Nov 2024 13:25:29 +0100

[Message part 1 (text/plain, inline)]

Control: tags -1 + moreinfo
Control: retitle -1  rsyslog: segmentation fault on ppc64

Am 06.11.24 um 00:18 schrieb Stuart MacIntosh:
> Package: rsyslog
> Version: 8.2406.0-1
> Severity: grave
> Justification: renders package unusable
> 
> Dear Maintainer,
> 
> The rsyslog package on ppc64 in sid currently segfaults on Apple Xserve
> G5 hardware.

Please provide a backtrace of the crash:
https://wiki.debian.org/HowToGetABacktrace


I also usertagged the issue so it shows up at [1] so the ppc porters 
might have a look and can keep track of it.

Michael



[1] 
https://udd.debian.org/cgi-bin/[email protected]&tag=ppc64

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Message #26 received at [email protected] (full text, mbox, reply):

From: Stuart MacIntosh <[email protected]>

To: Michael Biebl <[email protected]>

Cc: [email protected], [email protected]

Subject: Re: Bug#1086795: rsyslog: Segmentation fault

Date: Fri, 8 Nov 2024 12:29:57 +1300

[Message part 1 (text/plain, inline)]

> On 7/11/2024, at 1:25 AM, Michael Biebl <[email protected]> wrote:
> 
> Control: tags -1 + moreinfo
> Control: retitle -1  rsyslog: segmentation fault on ppc64
> 
> Am 06.11.24 um 00:18 schrieb Stuart MacIntosh:
>> Package: rsyslog
>> Version: 8.2406.0-1
>> Severity: grave
>> Justification: renders package unusable
>> Dear Maintainer,
>> The rsyslog package on ppc64 in sid currently segfaults on Apple Xserve
>> G5 hardware.
> 
> Please provide a backtrace of the crash:
> https://wiki.debian.org/HowToGetABacktrace
> 
> 
> I also usertagged the issue so it shows up at [1] so the ppc porters might have a look and can keep track of it.
> 
> Michael
> 
> 
> 
> [1] https://udd.debian.org/cgi-bin/[email protected]&tag=ppc64

Please find the backtrace bt.txt attached.

Thank you for your help.

-Stuart

[bt.txt (text/plain, attachment)]

Message #31 received at [email protected] (full text, mbox, reply):

From: Michael Biebl <[email protected]>

To: Stuart MacIntosh <[email protected]>

Cc: [email protected], [email protected]

Subject: Re: Bug#1086795: rsyslog: Segmentation fault

Date: Fri, 8 Nov 2024 12:58:33 +0100

[Message part 1 (text/plain, inline)]

Control: tags -1 + help

Hi Stuart

Am 08.11.24 um 00:29 schrieb Stuart MacIntosh:
> 
>> On 7/11/2024, at 1:25 AM, Michael Biebl <[email protected]> wrote:
>>
>> Control: tags -1 + moreinfo
>> Control: retitle -1  rsyslog: segmentation fault on ppc64
>>
>> Am 06.11.24 um 00:18 schrieb Stuart MacIntosh:
>>> Package: rsyslog
>>> Version: 8.2406.0-1
>>> Severity: grave
>>> Justification: renders package unusable
>>> Dear Maintainer,
>>> The rsyslog package on ppc64 in sid currently segfaults on Apple Xserve
>>> G5 hardware.
>>
>> Please provide a backtrace of the crash:
>> https://wiki.debian.org/HowToGetABacktrace
>>
>>
>> I also usertagged the issue so it shows up at [1] so the ppc porters might have a look and can keep track of it.
>>
>> Michael
>>
>>
>>
>> [1] https://udd.debian.org/cgi-bin/[email protected]&tag=ppc64
> 
> Please find the backtrace bt.txt attached.
> 
> Thank you for your help.

Thanks for the backtrace

This looks like a crash in glibc when trying to load the rsyslog modules 
from /usr/lib/rsyslog which in turn hints at a platform specific 
(toolchain) issue.

Not sure, if there is anything in rsyslog itself that can be done about 
it (probably not). That said, I'm not familiar with the
intricacies of the ppc platform, so this issue needs help from the ppc 
porters.
I will not further pursue this issue (as I lack the means to reproduce 
the issue) and I will also not forward this issue to upstream.
You are free to try that though. In this case please report this at 
https://github.com/rsyslog/rsyslog/issues

Regards
Michael

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