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Bug#1011717: pixz: FTBFS: ../src/write.c:460:24: error: Uninitialized variable: obuf [uninitvar]

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  Bug#1011717: pixz: FTBFS: ../src/write.c:460:24: error: Uninitialized variable: obuf [uninitvar] Lucas Nussbaum <lucas@debian.org> - 2022-05-26 09:00 +0200
    Bug#1011717: Patch Wolfgang Silbermayr <wolfgang@silbermayr.at> - 2022-05-27 10:10 +0200
    Bug#1011717: marked as done (pixz: FTBFS: ../src/write.c:460:24:  error: Uninitialized variable: obuf [uninitvar]) "Debian Bug Tracking System" <owner@bugs.debian.org> - 2022-05-27 17:00 +0200

#320462 — Bug#1011717: pixz: FTBFS: ../src/write.c:460:24: error: Uninitialized variable: obuf [uninitvar]

Source: pixz
Version: 1.0.7-1
Severity: serious
Justification: FTBFS
Tags: bookworm sid ftbfs
User: lucas@debian.org
Usertags: ftbfs-20220525 ftbfs-bookworm

Hi,

During a rebuild of all packages in sid, your package failed to build
on amd64.


Relevant part (hopefully):
> make[4]: Entering directory '/<<PKGBUILDDIR>>/test'
> PASS: compress-file-permissions.sh
> PASS: xz-compatibility-c-option.sh
> PASS: single-file-round-trip.sh
> FAIL: cppcheck-src.sh
> =====================================
>    pixz 1.0.7: test/test-suite.log
> =====================================
> 
> # TOTAL: 4
> # PASS:  3
> # SKIP:  0
> # XFAIL: 0
> # FAIL:  1
> # XPASS: 0
> # ERROR: 0
> 
> .. contents:: :depth: 2
> 
> FAIL: cppcheck-src
> ==================
> 
> /usr/bin/cppcheck
> Checking ../src/common.c ...
> Checking ../src/common.c: HAVE_CONFIG_H...
> 1/7 files checked 26% done
> Checking ../src/cpu.c ...
> 2/7 files checked 26% done
> Checking ../src/endian.c ...
> Checking ../src/endian.c: HAVE_DECL_HTOLE64=0;__FreeBSD__;__linux__...
> Checking ../src/endian.c: HAVE_DECL_LE64TOH=0;__FreeBSD__;__linux__...
> Checking ../src/endian.c: __APPLE__...
> Checking ../src/endian.c: __FreeBSD__;__linux__...
> Checking ../src/endian.c: __FreeBSD__;__linux__;__linux__...
> 3/7 files checked 28% done
> Checking ../src/list.c ...
> Checking ../src/list.c: HAVE_CONFIG_H...
> 4/7 files checked 29% done
> Checking ../src/pixz.c ...
> Checking ../src/pixz.c: HAVE_CONFIG_H...
> 5/7 files checked 40% done
> Checking ../src/read.c ...
> Checking ../src/read.c: DEBUG...
> Checking ../src/read.c: HAVE_CONFIG_H...
> 6/7 files checked 73% done
> Checking ../src/write.c ...
> ../src/write.c:460:24: error: Uninitialized variable: obuf [uninitvar]
>             if (fwrite(obuf, CHUNKSIZE - gStream.avail_out, 1, gOutFile) != 1)
>                        ^
> ../src/write.c:527:24: error: Uninitialized variable: obuf [uninitvar]
>             if (fwrite(obuf, CHUNKSIZE - gStream.avail_out, 1, gOutFile) != 1)
>                        ^
> Checking ../src/write.c: HAVE_CONFIG_H...
> 7/7 files checked 100% done
> FAIL cppcheck-src.sh (exit status: 1)
> 
> ============================================================================
> Testsuite summary for pixz 1.0.7
> ============================================================================
> # TOTAL: 4
> # PASS:  3
> # SKIP:  0
> # XFAIL: 0
> # FAIL:  1
> # XPASS: 0
> # ERROR: 0
> ============================================================================
> See test/test-suite.log
> Please report to https://github.com/vasi/pixz/issues
> ============================================================================
> make[4]: *** [Makefile:498: test-suite.log] Error 1


The full build log is available from:
http://qa-logs.debian.net/2022/05/25/pixz_1.0.7-1_unstable.log

All bugs filed during this archive rebuild are listed at:
https://bugs.debian.org/cgi-bin/pkgreport.cgi?tag=ftbfs-20220525;users=lucas@debian.org
or:
https://udd.debian.org/bugs/?release=na&merged=ign&fnewerval=7&flastmodval=7&fusertag=only&fusertagtag=ftbfs-20220525&fusertaguser=lucas@debian.org&allbugs=1&cseverity=1&ctags=1&caffected=1#results

A list of current common problems and possible solutions is available at
http://wiki.debian.org/qa.debian.org/FTBFS . You're welcome to contribute!

If you reassign this bug to another package, please marking it as 'affects'-ing
this package. See https://www.debian.org/Bugs/server-control#affects

If you fail to reproduce this, please provide a build log and diff it with mine
so that we can identify if something relevant changed in the meantime.

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#320669 — Bug#1011717: Patch

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Tags: +patch

The problem appear to be two occurrences of uninitialized variables which gets
reported by `cppcheck` 2.8 during build. Older versions of `cppcheck` didn't
report that problem, this is why the package built without problems initially.

Reported upstream to https://github.com/vasi/pixz/issues/103
Submitted MR: https://github.com/vasi/pixz/pull/104

Attached the patch exported such that it can be added to the package with quilt.

Wolfgang.

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#320683 — Bug#1011717: marked as done (pixz: FTBFS: ../src/write.c:460:24: error: Uninitialized variable: obuf [uninitvar])

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Your message dated Fri, 27 May 2022 14:51:57 +0000
with message-id <E1nubJl-0004Lb-Tn@fasolo.debian.org>
and subject line Bug#1011717: fixed in pixz 1.0.7-2
has caused the Debian Bug report #1011717,
regarding pixz: FTBFS: ../src/write.c:460:24: error: Uninitialized variable: obuf [uninitvar]
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.

(NB: If you are a system administrator and have no idea what this
message is talking about, this may indicate a serious mail system
misconfiguration somewhere. Please contact owner@bugs.debian.org
immediately.)


-- 
1011717: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1011717
Debian Bug Tracking System
Contact owner@bugs.debian.org with problems

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