Posts in category www.undeadly.org
OpenBSD Foundation gets a second Irid...
Ken Westerback (krw@ when wearing his dev hat) wrote in with some great news:
The OpenBSD Foundation is excited to announce that it has received a second 2018 Iridium level (>$100K) donation from Handshake.
Read more…
OpenBSD 6.4 Released
The release of OpenBSD 6.4 has been
announced:
We are pleased to announce the official release of OpenBSD 6.4.
This is our 45th release. We remain proud of OpenBSD\'s record of more
than twenty years with only two remote holes in the default install.
[…]
Rather than reproducing the full list of new features here, we refer [...]
New mandoc feature: -T html -O toc
Ingo Schwarze (schwarze@) writes in about fresh developments in mandoc(1):
During EuroBSDCon 2018 in Bucuresti, Adam Kalisz suggested to add
a table of contents near the top of the HTML output of mandoc,
and i just implemented and committed that.
Read more…
EuroBSDcon 2018 slides available
EuroBSDcon 2018
is now over, and slides for OpenBSD-related presentations are now available
from the
usual place.
As always, there\'s some great reading there (especially for those of us
who were unable to attend the conference).
Unfortunately, there will not be any video this year.
n2k18 Hackathon report: Ken Westerbac...
Fresh from the just concluded n2k18 hackathon comes this report from Ken Westerback
(krw@),
who writes:
How to travel from Dresden to Usti nad Labem for free!
No drama flying to Dresen, from which a train would take me to n2k18\'s
home in Usti nad Labem. Other than being puzzled that it costs less to
fly YYZ -> (Read more...)
vmm(4) gets support for qcow2
In a
short
series
of
commits,
Carlos Cardenas (ccardenas@) added support for
qcow2
image support to vmd(8).
[This builds on an
earlier commit
adding support for pluggable disk backends.]
The code was written by Ori Bernstein, who posted his diffs (thread 1, thread 2) to the tech@openbsd.org mailing list in August.
Read more&hell [...]
Fuzzing the OpenBSD Kernel
Anton Lindqvist (anton@) gave a talk at
BSD Users Stockholm Meetup #3 on the kernel coverage tracing kit he committed recently.
Slides
are now available via the
OpenBSD Events and Papers page.
The slides contain a list of bugs found and fixed as a result of this work.
See also:
kcov(4)
OpenBSD Foundation gets first 2018 Ir...
Ken Westerback (krw@ when wearing his dev hat) wrote in with
some great news:
The OpenBSD Foundation
is excited to announce that it has received
the first 2018 Iridium level donation. This year the first $100K+
donation came from
Handshake (https://www.handshake.org).
We thank Handshake for its very generous support! This donation
wi [...]
Disable SMT/Hyperthreading in all Int...
In a
message to tech@,
Theo de Raadt (deraadt@)
gives an update on the state-of-play regarding processor vulnerabilities:
Two recently disclosed hardware bugs affected Intel cpus:
- TLBleed
- T1TF (the name "Foreshadow" refers to 1 of 3 aspects of this
bug, more aspects are surely on the way)
Solving t [...]
Fix for L1TF issue in Intel CPUs comm...
Theo de Raadt (deraadt@) has
committed
a diff to mitigate the
"Intel L1TF screwup" for the amd64 platform we reported on earlier:
From: Theo de Raadt (elided)
Date: Tue, 21 Aug 2018 13:04:41 -0600 (MDT)
To: source-changes@openbsd.org
Subject: CVS: cvs.openbsd.org: src
CVSROOT: /cvs
Module name: src
Changes [...]
Theo on the latest Intel issues
Theo de Raadt (deraadt@)
posted to the tech@ mailing list with some background on how the latest discovered Intel CPU
issues relate to OpenBSD.
Date: Wed, 15 Aug 2018 00:31:16 -0600
From: Theo de Raadt [elided]
To: tech@openbsd.org
Subject: CVE-2018-3615, CVE-2018-3620, CVE-2018-3646
These 3 issues all relate to a bug in Intel cpu [...]
Video of Interactive OpenBSD Porting ...
[Dr.] Brian Callahan (bcallah@) recently live-streamed
(at twitch.tv/NewAstroCity)
an interactive OpenBSD Porting Workshop.
A recording of the workshop is
now available.
arm64 gains RETGUARD
In a
series
of
commits,
Todd Mortimer (mortimer@) has added RETGUARD
for the arm64 platform.
We previously reported the
addition of RETGUARD for amd64.
Read more…
Happy Bob’s Libtls tutorial
Bob Beck (beck@ when wearing OpenBSD-only hat)
has written
a tutorial
on using libtls:
[…]
This tutorial is designed for people with some C experience on a POSIX, BSD like machine with the latest libtls installed. It focuses on changes that are necessary to make an existing program written in C that uses the POSIX sockets api t [...]
mandoc-1.14.4 released
Ingo Schwarze (schwarze@ when wearing OpenBSD-only hat)
wrote in to let us know about the new release:
From: Ingo Schwarze [elided]
Date: Wed, 8 Aug 2018 22:21:13 +0200
To: discuss@mandoc.bsd.lv
Subject: mandoc-1.14.4 released
Hello,
after a full year of tranquil development, i just released mandoc-1.14.4.
This is a regular ma [...]
X11 on really small devices
Patrick Wildt (patrick@) has been experimenting with small I2C and SPI-connected displays, and with
this commit, it was enabled for armv7 and arm64 platforms as ssdfb(4) in -current.
Read more…
g2k18 hackathon report: Ingo Schwarze...
For the g2k18 Ljubljana hackathon, i decided to try and get rid
of as many small userland tasks as possible.
Lots of them have been piling up over time.
Read more…
Theo de Raadt on “unveil(2) usa...
In a
message
to tech@, Theo de Raadt (deraadt@) discusses the state of development of
unveil(2)
support in userland (and for a certain port):
Read more…
g2k18 hackathon report: Kenneth Weste...
A new g2k18 hackathon report has arrived, this time from Kenneth Westerback (krw@), who writes:
Other than missing a connection due to \"seat maintenance\" in YYZ,
travel was uneventful. I arrived MUC (twelve hours late) and spent a
week hacking with bluhm@ and mpi@ at Genua\'s Geekweek, to which bluhm@
had kindly arranged an invitatio [...]
More mitigations against speculative ...
Philip Guenther (guenther@)
and Bryan Steele (brynet@)
have added more mitigations against speculative execution
CPU vulnerabilities
on the amd64 platform.
Read more…
