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#Sourceware infrastructure community updates for Q3 2023
https://inbox.sourceware.org/overseers/[email protected]- Sourceware 25 Roadmap
- git source code integrity
- inbox.sourceware.org vs HTML email
- Continuous glibc src and manual snapshots
- Conservancy BBB server for Sourceware projects
- Working on individual tech sovereignty together
- Sourceware Overseers Open Office hour -
#glibc is the latest #Sourceware project that provides continuous snapshots from current git with both source archives and manuals.
https://snapshots.sourceware.org
This helps to make sure the release process always works and that manuals can be produced in various formats.
Thanks to #OSUOSL https://osuosl.org for hosting the snapshots server.
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Sourceware 25 Roadmap
https://sourceware.org/sourceware-25-roadmap.html
Preparing #Sourceware for the next 25 years.
In the last couple of years we have started to diversify our hardware partners, setup new services using containers and isolated VMs, investigated secure supply chain issues, added redundant mirrors, created a non-profit home, collected funds, invested in open communication, open office hours and introduced community oversight by a Sourceware Project Leadership Committee with the help from @conservancy
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Working on individual tech sovereignty together
#Valgrind was picked for a #FUTO https://futo.org Microgrant, which has been donated to #Sourceware through @conservancy for maintaining and expanding the infrastructure for Valgrind and other core toolchain and developer tool projects.
https://www.youtube.com/watch?v=aYzzOfQehPg
If you want to donate to Sourceware please see https://sfconservancy.org/donate and become a Conservancy Sustainer or give directly by mentioning Sourceware as comment or on the memo line.
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Open office hour every second Friday of the month in channel overseers on irc.libera.net at 18:00 UTC. Which is today!
Please feel free to drop by with any #Sourceware hosting questions. Help with email (archives, spam), secure supply chain, setting up new buildbot CI, producing snapshots, helping write up some POCs, discussing extending services, what the Software Freedom Sourceware Project Leadership Committee should prioritize, or just to say things are working fine.
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#Sourceware source code integrity. gitsigur for protecting git repo integrity. With comparisons, developer workflow examples and composition possibilities for gitsigur, b4 and sigstore.
https://inbox.sourceware.org/overseers/ZJ3Tihvu6GbOb8%[email protected]/T/
What is your preferred method for source code integrity and tracking the chain of custody for your project?
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Open office hour every second Friday of the month in channel overseers on irc.libera.net at 18:00 UTC. Which is today!
Please feel free to drop by with any #Sourceware hosting questions. Help with email (archives, spam), secure supply chain, setting up new buildbot CI, producing snapshots, helping write up some POCs, discussing how the PLC should work, or just to say things are all working fine.
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The #Sourceware reverse DNS issue has been acknowledge by our network/dns provider, but not yet resolved. DNS propagation seems broken, but it does not impact everybody.
If it does impact you then now is a good time to check out our public-inbox server https://inbox.sourceware.org all emails are there and you can access them through the html archive, imap, nntp, atom feeds or git cloning the whole archive.
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#Sourceware infrastructure community updates for Q2 2023
https://inbox.sourceware.org/overseers/[email protected]/- https://dwarfstd.org joins Sourceware
- https://snapshots.sourceware.org
- Simpler b4 setup
- Sourceware joins Software Freedom Conservancy
- Sourceware joins the fediverse @sourceware
- Mirrors and Software Heritage
- Open Office Hours (this Friday) -
#Sourceware Now Part Of The Software Freedom Conservancy
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Brutal metal Unixy code, ep. 1337: Kill Inferiors! (A GDB shell command)
https://sourceware.org/gdb/current/onlinedocs/gdb.html/Inferiors-Connections-and-Programs.html
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Queriendo sacar una traza de ejecución de un proceso con #GDB [1] no puedo porque "Process record and replay target doesn't support ioctl request".
[1] https://sourceware.org/gdb/current/onlinedocs/gdb.html/Process-Record-and-Replay.html
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The first part of std::simd just landed in #GCC 16: https://forge.sourceware.org/gcc/gcc-mirror/commit/8be0893fd98c9a89bbcd81e0ff8ebae60841d062
Expect it on Compiler Explorer in — I guess — 12 hours. -
#Glibc 2.43 is out:
https://inbox.sourceware.org/libc-alpha/13932477.uLZWGnKmhe@pinacolada/
A few highlights:
* Experimental support for building with #clang has been added.
* [a bunch of ISO C23 stuff]
* Support for mseal and openat2 on #Linux
* Additional optimized and correctly rounded mathematical functions have been imported from the CORE-MATH project […]
* Unicode support has been updated to Unicode 17.0.0.
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The first part of std::simd just landed in #GCC 16: https://forge.sourceware.org/gcc/gcc-mirror/commit/8be0893fd98c9a89bbcd81e0ff8ebae60841d062
Expect it on Compiler Explorer in — I guess — 12 hours. -
The first part of std::simd just landed in #GCC 16: https://forge.sourceware.org/gcc/gcc-mirror/commit/8be0893fd98c9a89bbcd81e0ff8ebae60841d062
Expect it on Compiler Explorer in — I guess — 12 hours. -
The first part of std::simd just landed in #GCC 16: https://forge.sourceware.org/gcc/gcc-mirror/commit/8be0893fd98c9a89bbcd81e0ff8ebae60841d062
Expect it on Compiler Explorer in — I guess — 12 hours. -
The first part of std::simd just landed in #GCC 16: https://forge.sourceware.org/gcc/gcc-mirror/commit/8be0893fd98c9a89bbcd81e0ff8ebae60841d062
Expect it on Compiler Explorer in — I guess — 12 hours. -
elfutils 0.195 released
ELFUTILS 0.195 "Handwritten" - https://elfutils.org/
A new release of elfutils is available at:
ftp://sourceware.org/pub/elfutils/0.195/
or https://sourceware.org/elfutils/ftp/0.195/Visit us on the Libera.Chat irc channel #elfutils
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Today's bug is in `elfutils`:
https://sourceware.org/PR33103There `elfutils` build system did something like:
$ cat stack.cc
#include <stack>
int main(){}$ gcc -I. stack.cc -o stack
$ gcc -I. stack.cc -o stackIt breaks as:
$ gcc -I. stack.cc -o stack
# ok
$ gcc -I. stack.cc -o stack
In file included from stack.cc:1:
./stack:1:1: error: stray '\177' in program
1 | <U+007F>ELF<U+0002>...Included <stack> is an ELF file now.
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Note that someone created various CVEs for #elfutils based on (fixed and closed) bug reports without following our SECURITY policy: https://sourceware.org/cgit/elfutils/tree/SECURITY
These are NOT security issues according to our policy.
We request that people who report suspected security vulnerabilities report them through the contacts in our SECURITY policy and not through non-affiliated CNAs.
Creating random CVEs without coordinating with the upstream project and designated CNA just causes lots of make work.
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#elfutils 0.190 "Woke!" released
https://inbox.sourceware.org/elfutils-devel/[email protected]/Friendlier CONTRIBUTING. RELR support. eu-readelf now supports -D, --use-dynamic and can show version 9 .gdb_index. A new eu-srclines tool that shows all files that were used to create a binary. debuginfod has a new schema for a 60% compression in filename representation.
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Anticipating #valgrind 3.27.0.
Andreas also showed there are still meaningful optimizations to be made on how memcheck tracks undefinedness bits as outlined in the original "Using Valgrind to detect undefined value errors with bit-precision" https://valgrind.org/docs/memcheck2005.pdf paper.
His optimization of memcheck instrumenting a bitwise AND/OR with a constant is clever and simplifies the generated code: https://sourceware.org/cgit/valgrind/commit/?id=8514763a215f863bc52400991eba332df115eaea
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Valgrind 3.27 RC1 is out
An RC1 tarball for 3.27.0 is now available at
https://sourceware.org/pub/valgrind/valgrind-3.27.0.RC1.tar.bz2
(md5sum = bd95111c1a9f81f136c5e4e2c62b493e)
(sha1sum = 0eefb3a7d86a3bd0154480db3d2173bb8bd6d7c1)
https://sourceware.org/pub/valgrind/valgrind-3.27.0.RC1.tar.bz2.asc
Public keys can be found at https://www.klomp.org/mark/gnupg-pub.txtPlease give it a try in configurations that are important for you and
report any problems you have, either on the developer/user mailing list, or
(preferably) via our bug tracker at
https://bugs.kde.org/enter_bug.cgi?product=valgrindAn RC2 should be available Fri Apr 17
The final 3.27.0 release is scheduled for Mon Apr 20. -
#LVM2 2.03.26 has been released (#LVM / #LogicalVolumeManager / #DeviceMapper / #RedHat) https://sourceware.org/lvm2/
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Today's `binutils-gdb` bug in `ld.bfd` is https://sourceware.org/PR33530.
There `ld.bfd` spends a ton of RAM and CPU time on inputs with huge section counts. In the example in initial comment `ld.gold` spends 50ms where `ld.bfd` spends 5s.
On real examples produced by haskell compiler with `-fsplit-section -optl-Wl,--gc-sections` it translates to extra minutes of link time on larger binaries.
I think it's an `ld` garbage collection bug.
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What I've been doing the last 3 days:
- Working on a `./bootstrap` for #GNU #binutils ...What I'm doing today:
- ...finished and sent it! https://sourceware.org/pipermail/binutils/2024-June/134608.html
- Finally responding to feedback on other changes I've sent off. -
The SystemTap team announces release 5.5 https://inbox.sourceware.org/systemtap/[email protected]
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The SystemTap team announces release 5.5 https://inbox.sourceware.org/systemtap/[email protected]
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The SystemTap team announces release 5.5 https://inbox.sourceware.org/systemtap/[email protected]