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Bug#943876: marked as done (linux breaks systemtap autopkgtest: error: this statement may fall through [-Werror=implicit-fallthrough=])

Your message dated Thu, 31 Oct 2019 11:49:15 +0000
with message-id <E1iQ8x1-0006KG-Rg@fasolo.debian.org>
and subject line Bug#943876: fixed in systemtap 4.1-11
has caused the Debian Bug report #943876,
regarding linux breaks systemtap autopkgtest: error: this statement may fall through [-Werror=implicit-fallthrough=]
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

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-- 
943876: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=943876
Debian Bug Tracking System
Contact owner@bugs.debian.org with problems
--- Begin Message --- 
Source: linux, systemtap
Control: found -1 linux/5.3.7-1
Control: found -1 systemtap/4.1-10
Severity: serious
Tags: sid bullseye
X-Debbugs-CC: debian-ci@lists.debian.org
User: debian-ci@lists.debian.org
Usertags: breaks needs-update

Dear maintainers,

With a recent upload of linux the autopkgtest of systemtap fails in
testing when that autopkgtest is run with the binary packages of linux
from unstable. It passes when run with only packages from testing. In
tabular form:
                       pass            fail
linux                  from testing    5.3.7-1
systemtap              from testing    4.1-10
versioned deps [0]     from testing    from unstable
all others             from testing    from testing

I copied some of the output at the bottom of this report.

Currently this regression is blocking the migration of linux to testing
[1]. Due to the nature of this issue, I filed this bug report against
both packages. Can you please investigate the situation and reassign the
bug to the right package? If needed, please change the bug's severity.

More information about this bug and the reason for filing it can be found on
https://wiki.debian.org/ContinuousIntegration/RegressionEmailInformation

Paul

[0] You can see what packages were added from the second line of the log
file quoted below. The migration software adds source package from
unstable to the list if they are needed to install packages from
linux/5.3.7-1. I.e. due to versioned dependencies or breaks/conflicts.
[1] https://qa.debian.org/excuses.php?package=linux

https://ci.debian.net/data/autopkgtest/testing/amd64/s/systemtap/3297749/log.gz

autopkgtest [17:24:37]: test build-hello: [-----------------------
WARNING: Kernel function symbol table missing [man warning::symbols]
Pass 1: parsed user script and 476 library scripts using
95952virt/82936res/7544shr/75500data kb, in 230usr/50sys/280real ms.
Pass 2: analyzed script: 1 probe, 1 function, 0 embeds, 0 globals using
97536virt/84640res/7672shr/77084data kb, in 10usr/0sys/9real ms.
Pass 3: translated to C into "/tmp/stapKkW4rr/hello_src.c" using
97536virt/84640res/7672shr/77084data kb, in 0usr/0sys/0real ms.
In file included from /usr/share/systemtap/runtime/linux/print.c:18,
                 from /usr/share/systemtap/runtime/print.c:17,
                 from /usr/share/systemtap/runtime/runtime_context.h:22,
                 from /tmp/stapKkW4rr/hello_src.c:56:
/usr/share/systemtap/runtime/vsprintf.c: In function ‘_stp_vsnprintf’:
/usr/share/systemtap/runtime/vsprintf.c:641:35: error: this statement
may fall through [-Werror=implicit-fallthrough=]
  641 |                             flags |= STP_LARGE;
      |                             ~~~~~~^~~~~~~~~~~~
/usr/share/systemtap/runtime/vsprintf.c:642:21: note: here
  642 |                     case 'x':
      |                     ^~~~
/usr/share/systemtap/runtime/vsprintf.c:828:10: error: this statement
may fall through [-Werror=implicit-fallthrough=]
  828 |    flags |= STP_LARGE;
      |    ~~~~~~^~~~~~~~~~~~
/usr/share/systemtap/runtime/vsprintf.c:829:3: note: here
  829 |   case 'x':
      |   ^~~~
cc1: all warnings being treated as errors
make[2]: ***
[/usr/src/linux-headers-5.3.0-1-common/scripts/Makefile.build:285:
/tmp/stapKkW4rr/hello_src.o] Error 1
make[1]: *** [/usr/src/linux-headers-5.3.0-1-common/Makefile:1639:
_module_/tmp/stapKkW4rr] Error 2
make: *** [/usr/src/linux-headers-5.3.0-1-common/Makefile:179: sub-make]
Error 2
WARNING: kbuild exited with status: 2
Pass 4: compiled C into "hello.ko" in 11380usr/1860sys/13245real ms.
Pass 4: compilation failed.  [man error::pass4]
Tip: /usr/share/doc/systemtap/README.Debian should help you get started.
autopkgtest [17:24:51]: test build-hello: -----------------------]

Attachment: signature.asc
Description: OpenPGP digital signature


--- End Message ---
--- Begin Message --- 
Source: systemtap
Source-Version: 4.1-11

We believe that the bug you reported is fixed in the latest version of
systemtap, which is due to be installed in the Debian FTP archive.

A summary of the changes between this version and the previous one is
attached.

Thank you for reporting the bug, which will now be closed.  If you
have further comments please address them to 943876@bugs.debian.org,
and the maintainer will reopen the bug report if appropriate.

Debian distribution maintenance software
pp.
Emanuele Rocca <ema@debian.org> (supplier of updated systemtap package)

(This message was generated automatically at their request; if you
believe that there is a problem with it please contact the archive
administrators by mailing ftpmaster@ftp-master.debian.org)


-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256

Format: 1.8
Date: Thu, 31 Oct 2019 11:15:18 +0100
Source: systemtap
Architecture: source
Version: 4.1-11
Distribution: unstable
Urgency: high
Maintainer: Ritesh Raj Sarraf <rrs@debian.org>
Changed-By: Emanuele Rocca <ema@debian.org>
Closes: 943876
Changes:
 systemtap (4.1-11) unstable; urgency=high
 .
   * Add upstream patch debian/patches/vsprintf-fallthru.patch to satisfy gcc
     9's -Wimplicit-fallthrough. (Closes: #943876)
Checksums-Sha1:
 4a06ab920f8ae6a17a28d61c61738566ffd0efc9 2794 systemtap_4.1-11.dsc
 ff0f13dfc9cc83682d69023dea7dd1ad1546812e 90720 systemtap_4.1-11.debian.tar.xz
 55fdb694703c2bce80f8f9571dcea3db706d96c6 12487 systemtap_4.1-11_amd64.buildinfo
Checksums-Sha256:
 aa01c75fd5a4413e85582713de2790d05d0690d5b8b8ddbf74e6dd532d0b50f8 2794 systemtap_4.1-11.dsc
 33149c987a2fd9bd3cdc1eb401c15d5526929babd9546ccf951587394fb43a81 90720 systemtap_4.1-11.debian.tar.xz
 a0d39e205d7f7a3e4637b300750cd55c554998115de68675afcc9c0049cddf1b 12487 systemtap_4.1-11_amd64.buildinfo
Files:
 a5add85261404298ddd4d73ed9c94315 2794 devel optional systemtap_4.1-11.dsc
 5d0cca6778dacf46d4f7a5f81769be4b 90720 devel optional systemtap_4.1-11.debian.tar.xz
 f5c999654d926aec254a7323fbedb5f9 12487 devel optional systemtap_4.1-11_amd64.buildinfo

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--- End Message ---
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