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pinsyscalls(2) working in anger

Posted on January 18, 2024 by Michael G

Theo de Raadt (deraadt@)
has committed (to -current) the remaining parts required to get
pinsyscalls(2)
working in anger.

The commits were:

  1. This,
    CVSROOT:	/cvs
    Module name:	src
    Changes by:	deraadt@cvs.openbsd.org	2024/01/16 12:05:01
    
    Modified files:
    	sys/sys        : exec.h proc.h syscall_mi.h 
    	sys/kern       : exec_elf.c kern_exec.c kern_exit.c kern_fork.c 
    	sys/uvm        : uvm_map.c uvm_map.h uvm_mmap.c 
    
    Log message:
    The kernel will now read pinsyscall tables out of PT_OPENBSD_SYSCALLS in
    the main program or ld.so, and accept a submission of that information
    for libc.so from ld.so via pinsyscalls(2).  At system call invocation,
    the syscall number is matched to the specific address it must come from.
    ok kettenis, gnezdo, testing of variations by many people
    
  2. this,
    CVSROOT:	/cvs
    Module name:	src
    Changes by:	deraadt@cvs.openbsd.org	2024/01/16 12:07:31
    
    Modified files:
    	libexec/ld.so  : library.c library_mquery.c loader.c resolve.c 
    	                 resolve.h 
    
    Log message:
    Read PT_OPENBSD_SYSCALLS in libc.so, and convert it to a table for
    pinsyscalls(2).
    ok kettenis
    
  3. and this:
    CVSROOT:	/cvs
    Module name:	src
    Changes by:	deraadt@cvs.openbsd.org	2024/01/16 12:08:37
    
    Modified files:
    	bin/ps         : print.c ps.1 
    
    Log message:
    print flag 'l' for base program or ld.so being under pinsyscalls enforcement,
    and 'L' for libc.so.  This flag printing may be deleted once we are entirely
    confident this is working correctly.
    ok kettenis
    

This means, once again, that if you feel up to it, it is time to grab the most recent snapshot and test intensively, reporting back any problems or oddities you may encounter.

Python 3.13.0 alpha 3 is now available.

Posted on January 18, 2024 by Michael G

We silently skipped releasing in December (it was too close to the
holidays, a lot of people were away) so by date you may have been
expecting alpha 4, but instead it’s alpha 3:

https://www.python.org/downloads/release/python-3130a3/

This is an early developer preview of Python 3.13

Major new features of the 3.13 series, compared to 3.12

Python 3.13 is still in development. This release, 3.13.0a3, is the third of six planned alpha releases.

Alpha releases are intended to make it easier to test the current
state of new features and bug fixes and to test the release process.

During the alpha phase, features may be added up until the start of
the beta phase (2024-05-07) and, if necessary, may be modified or
deleted up until the release candidate phase (2024-07-30). Please keep
in mind that this is a preview release and its use is not recommended for production environments.

Many new features for Python 3.13 are still being planned and written. Work continues apace on both the work to remove the Global Interpeter Lock , and to improve Python performance. The most notable changes so far:

  • In the interactive interpreter, exception tracebacks are now colorized by default .
  • Docstrings now have their leading indentation stripped , reducing memory use and the size of .pyc files. (Most tools handling docstrings already strip leading indentation.)
  • PEP 594 (Removing dead batteries from the standard library) scheduled removals of many deprecated modules: aifc, audioop, chunk, cgi, cgitb, crypt, imghdr, mailcap, msilib, nis, nntplib, ossaudiodev, pipes, sndhdr, spwd, sunau, telnetlib, uu, xdrlib, lib2to3.
  • Many other removals of deprecated classes, functions and methods in various standard library modules.
  • New deprecations , most of which are scheduled for removal from Python 3.15 or 3.16.
  • C API removals and deprecations. (Some removals present in alpha 1 have been reverted in alpha 2, as the removals were deemed too disruptive at this time.)

(Hey, fellow core developer, if a feature you find important is missing from this list, let Thomas know.)

The next pre-release of Python 3.13 will be 3.13.0a4, currently scheduled for 2023-02-13.

 

More resources

  • Online Documentation
  • PEP 719 , 3.13 Release Schedule
  • Report bugs at Issues · python/cpython · GitHub.
  • Help fund Python and its community.

 

Enjoy the new releases

Thanks to all of the many volunteers who help make Python Development
and these releases possible! Please consider supporting our efforts by
volunteering yourself or through organization contributions to the
Python Software Foundation.

Regards from snowy Amsterdam,

Your release team,
Thomas Wouters
Ned Deily
Steve Dower
Łukasz Langa

FSF Blogs: The board process, the GNU Cauldron, SaaSS, and more

Posted on January 18, 2024 by Michael G
Staff seat board member and senior sysadmin Ian Kelling shares
his personal musings on the board process improvements, his
experience working at the Free Software Foundation (FSF), why
Service as a Software Substitute (SaaSS) should get more
attention, some lessons learned from the GNU Tools Cauldron,
FSF’s legal defense of GCC, and why the FSF needs
your financial support.

Lichee Console 4A, RISC-V mini laptop: review, benchmarks and early issues

Posted on January 18, 2024 by Michael G
I always liked small laptops and phones – but for some reason they fell out of favor of manufacturers (“bigger is more better”). Now if one wanted to get tiny laptop – one of the few opportunities would have been to fight for old Sony UMPC’s on ebay which are somewhat expensive even today. Recently Raspberry Pi/CM4-based tiny laptops started to appear – especially clockwork products are neat, but they are not foldable like a laptop. When in summer of 2023 Sipeed announced Lichee Console 4A based on RISC-V SoC – I preordered it immediately and in early January I finally received it. Results of my testing, currently uncovered issues are below. ↫ Mikhail Svarichevsky I want one of these.

ပူးနေတဲ့ နတ်တောင် ဆက်မပူးနိူင်တော့ဘူး ကျော်ကြီးအက ကောင်းလွန်းလို့ 2024

Posted on January 17, 2024 by Michael G
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Posted on January 17, 2024 by Michael G
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Banjir Cibiran, Ganjar Pranowo Open Donasi Dana kampanye

Posted on January 17, 2024 by Michael G

VIVA – Calon presiden nomor urut 3 Ganjar Pranowo menggaungkan program terbarunya pada pilpres 2024. Dalam video beredar, ia memperkenalkan program tersebut dengan nama penggalangan dana massal ‘Gotong Royong Rakyat’ bagi dana kampanye mereka. (RP-R-DA)

December Updates from the Movement Charter Drafting Committee

Posted on January 17, 2024 by Michael G
December was a shorter month, the Movement Charter Drafting Committee met three times and had their scheduled break from December 18 to January 2.  Participate …

The Drop Times: Elma Selects Her 10 Favorite TDT Articles from 2023

Posted on January 17, 2024 by Michael G
Here are my top 10 articles from The DropTimes in 2023. From igniting my Drupal journey with essential resources to exploring the visionary world of Drupal, these articles have shaped my understanding of Drupal’s evolution.

Rails 8.0 adds rate limiting to ActionController

Posted on January 17, 2024 by Michael G
https://www.shakacode.com/blog/rails-8-adds-rate-limiting-to-action-controller/
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