Category Archives: arch testing

libtiff: invalid memory READ in t2p_writeproc (tiff2pdf.c)

Description: Libtiff is a software that provides support for the Tag Image File Format (TIFF), a widely used format for storing image data. A crafted tiff file revealed an invalid memory read. The complete ASan output: # tiff2pdf $FILE -o … Continue reading

Posted in advisories, arch testing | Leave a comment

Looking for KDE users on ARM

I received few requests to make KDE stable for ARM. Unfortunately I can’t do a complete test but I’m able to compile on both armv5 and armv7. Before stabilize, I may set a virtual machine on qemu to test better, … Continue reading

Posted in arch testing, gentoo | 5 Comments

How to find issues related to LINGUAS

Usually, I want to find all possible issues with the LINGUAS variable, so in my arch testing environment I have enabled all linguas that the main tree uses. To keep my make.conf more ‘clear’ I’m using source and another file called … Continue reading

Posted in arch testing, gentoo | 10 Comments

How -g0 may be useful

Usually I use -g0 as CFLAGS/CXXFLAGS; it will be useful to find wrong buildsystem behavior. ago@arcadia ~ $ portageq envvar CFLAGS -march=native -O2 -g0 Here is an example where the buildsystem sed only ‘-g‘, leaves ‘0‘ and causes compile failure: … Continue reading

Posted in arch testing, gentoo | 2 Comments

When you should block a stabilization

Many times in the past, a lot of people found bugs for packages actually in a STABLEREQ. Every time my answer was: make it as a block only if is a regression; and every time the next question was: “What … Continue reading

Posted in arch testing, gentoo | 1 Comment

How to test toolchain components (gcc, glibc, binutils)

Seems obviously for many of you, but a lot of people in the past, have asked me how to test toolchain components and be sure to don’t break anything. Ok, as usual we will start to test the singular package … Continue reading

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How to test Kernel (*-sources)

In the past, a lot of people ask me how test a new kernel. This tip could help new arch tester. First, emerge the new sources ( 3.4.5 is just an example, replace it with your ${version} ): echo “=sys-kernel/gentoo-sources-3.4.5” … Continue reading

Posted in arch testing, gentoo | 8 Comments

How to test a library

This article should be useful for every arch tester that ask how properly test a library. Today we see a case like boost. The firsts steps will be: Emerge the new boost version Do a multiple compile test changing the … Continue reading

Posted in arch testing, gentoo | 3 Comments

New category: arch testing

I added recently a new category for this blog: arch testing.   Since in the years I’ve ‘gained’ a long experience with arch testing I think would be great collect a series of tip for the current and future arch … Continue reading

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