It's pretty strange, but the upstream fix does not seem to work on
Ubuntu, at least not on 24.04. I tried Debian Sid, and there the regular
gcc-13 package (13.2.0-24) has no trouble at all with the test case: no
alignment issue, no segfaults.
Whereas on Ubuntu 24.04, anything after upstream's
Ok, I found https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110027 :
"[11/12 regression] Stack objects with extended alignments (vectors etc)
misaligned on detect_stack_use_after_return".
As described in that bug, turning _off_ the ASAN_OPTION
detect_stack_use_after_return makes the misalignment go
I bisected, and it seems to have regressed with
https://gcc.gnu.org/git/?p=gcc.git;a=commit;h=f732bf6a603721f61102a08ad2d023c7c2670870
["libsanitizer: merge from upstream
(0a1bcab9f3bf75c4c5d3e53bafb3eeb80320af46].
Unfortunately, that is a fairly large merge from the upstream sanitizer
libraries,
FWIW I've built stock releases/gcc-13.2.0 locally on a Ubuntu 24.04 box
(configured with --disable-multilib --disable-bootstrap --enable-
languages=c,c++ --enable-libsanitizer --disable-libquadmath --disable-
libgomp --disable-libvtv --disable-werror --disable-nls), and indeed it
also reproduces
Eh sorry, I meant in the example that asserts, that I compiled and ran
it on Ubuntu 24.04 first! And the same binary does run fine on Ubuntu
22.04.
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There is something weird going on here. I'm seeing the same thing with
Ubuntu 24.04's gcc 13.2.0-23ubuntu4, after hitting some issues with x264
(which declared a local variable with __attribute__((aligned(64))) but
then it actually wasn't aligned as such, and some AVX512 function then
segfaults
https://github.com/google/sanitizers/issues/1716#issuecomment-2010399341
Summarizing: newer ThreadSanitizer has been updated to be able to work
with vm.mmap_rnd_bits = 30, but not higher than that. For other cases,
it will now re-execute the binary with ASLR disabled, if possible.
For most
It's indeed the bump of vm.mmap_rnd_bits from 28 to 32, which is part of
the changelog in https://launchpad.net/ubuntu/+source/linux/6.5.0-25.25
:
* test_021_aslr_dapper_libs from ubuntu_qrt_kernel_security failed on K-5.19 /
J-OEM-6.1 / J-6.2 AMD64 (LP: #1983357)
- [Config]: set
This could be the same thing reported in
https://github.com/google/sanitizers/issues/1716 ("Thread Sanitizer
FATAL error on kernel version 6.6.6-x").
** Bug watch added: github.com/google/sanitizers/issues #1716
https://github.com/google/sanitizers/issues/1716
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One other note, I only get the "unexpected memory mapping" error on
amd64. On arm64 machines with 6.5.0-25.25~22.04.1, ThreadSanitizer works
without issues.
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Public bug reported:
We updated a number of (amd64) machines from linux-
image-6.5.0-21-generic (6.5.0-21.21~22.04.1) to linux-
image-6.5.0-25-generic (6.5.0-25.25~22.04.1), and this caused
ThreadSanitizer-instrumented programs to immediately exit with an error
similar to:
FATAL:
Note that similar to the older gcc and upstream sanitizer bugs, this
problem may be caused by some kernel API now returning a slightly
different result, so it could be debatable whether the issue should be
fixed in ThreadSanitizer, or in the kernel itself.
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Okay, I think the mystery might be solved.
The root cause is that unattended-upgrades (or some other apt upgrade)
does a openjdk-17 package update, while at the same time a java process
is running. After this minor upgrade, the protocol between the JRE's
forkAndExec JNI function and the
There isn't anything special as far as I know, it's just a plain Ubuntu
22.04 VM which is accessed by Jenkins over SSH. Note that we're using
the stable branch Jenkins, which is at 2.440.1, so it may be possible
that only that version is buggy.
I noticed a `_usr_lib_jvm_java-17-openjdk-
Possibly related: https://issues.jenkins.io/browse/JENKINS-72665
So the question is what the Jenkins agent does: I'm not sure it invokes
jspawnhelper directly, I assume it is going via the Java API, but there
could be some other bug that causes it to pass incorrect arguments to
jspawnhelper. It
Public bug reported:
We recently upgraded a bunch of Jenkins build machines that run Ubuntu
22.04.04 LTS to openjdk-17-jre-headless_17.0.10+7-1~22.04.1. Shortly
after, all the Jenkins agents running on these machines were getting
segfaults in jspawnhelper, when the JRE tried to spawn an external
Thanks, I can confirm that 22.3.0+dfsg1-1build1 works. (I manually
installed the .deb, as it was not yet available via apt-get.)
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https://bugs.launchpad.net/bugs/1967575
Title:
VAAPI
Note: if I download:
* intel-media-driver-non-free_22.3.0+ds1-1.dsc
* intel-media-driver-non-free_22.3.0+ds1.orig.tar.xz
* intel-media-driver-non-free_22.3.0+ds1-1.debian.tar.xz
then unpack and rebuild them with dpkg-buildpackage on my own Jammy
system, the resulting deb appears to work
Bug 1966571 supposedly fixed this, with "Rebuild with the current libva
version (lp: #1966571)", for package version 22.2.1+dfsg1-1build1, but
that specific build unfortunately disappeared from the ubuntu archive.
But indeed now it's broken again; not sure what Sebastien Bacher did for
bug
Public bug reported:
This is with lxc 1:4.0.6-0ubuntu1~20.04.1 on Ubuntu 20.04 LTS.
All lxc-create commands that need to download GPG keys fail with
something similar to:
$ lxc-create -n foobar -t download -- -d ubuntu -r focal -a amd64
The cached copy has expired, re-downloading...
Setting up
Can you please show the output of:
apt-key export C8CAB6595FDFF622 | gpg --list-packets
?
I guess for some reason your apt keyring isn't updated correctly.
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Note: this is a duplicate of bug #1920610, which was submitted a few
hours earlier.
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https://bugs.launchpad.net/bugs/1920640
Title:
EXPKEYSIG C8CAB6595FDFF622 Ubuntu Debug Symbol
Note: a duplicate bug #1920640 was added a few hours after this one.
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https://bugs.launchpad.net/bugs/1920610
Title:
The repository 'http://ddebs.ubuntu.com groovy Release' is not
The GPG key has simply expired, as of 2021-03-20:
$ wget -q http://ddebs.ubuntu.com/dists/focal-proposed/Release
http://ddebs.ubuntu.com/dists/focal-proposed/Release.gpg
$ gpg --verify Release.gpg Release
gpg: Signature made Fri 19 Mar 2021 04:52:53 AM CET
gpg:using RSA key
Looks like comment #32 here:
http://bugzilla.gnome.org/show_bug.cgi?id=577649#c32 and its followups
seem to fix the problem. When I remove the inheritance of gobject in
GnomeURLopener, the crash goes away.
There is a more complete patch at
Here's a hopefully useful stack trace:
GNU gdb 6.8-debian
Copyright (C) 2008 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later http://gnu.org/licenses/gpl.html
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted
org.freedesktop.hal.power-management.shutdown-multiple-sessions
org.freedesktop.hal.power-management.reboot-multiple-sessions
com.ubuntu.devicedriver.install
$ ck-list-sessions
Session8:
unix-user = '1000'
realname = 'Dimitry Andric,,,'
seat = 'Seat1'
session-type
Hi maintainer, can you please either apply the proposed fix to intrepid,
or close the bug if you don't want or don't care about the fix? Then it
won't keep cluttering the bug database at least...
Thanks.
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libpar-perl won't install on intrepid due to libfile-temp-perl (= 0.05)
dependency
On intrepid, using the debs from https://edge.launchpad.net/~intel-gfx-
testing/+archive, I get precisely the same backtrace as before:
Backtrace:
0: /usr/X11R6/bin/X(xorg_backtrace+0x26) [0x4ee236]
1: /usr/X11R6/bin/X(mieqEnqueue+0x23f) [0x4cebbf]
2: /usr/X11R6/bin/X(xf86PostKeyboardEvent+0x85)
The NumCurrentSelections is an old API, which was explicitly removed
from xserver, see this commit:
http://cgit.freedesktop.org/xorg/xserver/commit/?id=34bf308a9e66f1a2f48630a15b1802afad50ec24
E.g. somebody should rewrite vncserver to not depend on this obsolete
export anymore... :)
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Can this simple fix also be backported to intrepid, please? The package
is now unusable there...
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libpar-perl won't install on intrepid due to libfile-temp-perl (= 0.05)
dependency
https://bugs.launchpad.net/bugs/295127
You received this bug notification because you are a member of Ubuntu
I have the same mieqEnqueue: infinite loop error on intrepid, with
xserver-xorg-video-intel 2:2.4.1-1ubuntu10. This only happens when
desktop effects (e.g. AIGLX) is turned on, and if the X server is
restarted twice (e.g. you login, do some stuff, logout and attempt to
login again).
There's a
Public bug reported:
Binary package hint: libpar-perl
Attempting to installing libpar-perl (0.980-1) on intrepid gives:
$ sudo apt-get install libpar-perl
Reading package lists... Done
Building dependency tree
Reading state information... Done
Some packages could not be installed. This may mean
I'm having precisely the same problem as the people in this bug report,
and almost exactly the same backtrace. :)
I downloaded the debug symbols, and this is what I got:
Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0x7f1966f937a0 (LWP 19394)]
set_touchpad_enabled
Sorry for the pollution, I've filed my story under bug 204850 here:
https://bugs.launchpad.net/ubuntu/+source/gnome-settings-
daemon/+bug/204850/comments/9
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Gnome settings daemon randomly does not work
https://bugs.launchpad.net/bugs/146946
You received this bug notification because you are a
I have approximately the same crash here. It looks like the gsd-
keyboard-xkb filter gets a CreateWindow notification event, but the
window id isn't valid anymore (maybe the window already disappeared?),
for an unknown reason. When the xklavier engine tries to get the
Window's title property, it
Okay, I've done some serious digging, and it looks like a window is
created (in my case it's mostly gnome-screensaver), but it disappears
*before* the CreateNotify goes out. This is because gnome-screensaver
complains that it's already running, and immediately quits. Thus it
doesn't seem to call
Yes, that BadWindow error is indeed the next error. You can duct-tape-
fix it using your patch, or by simply disabling the gnome-settings-
daemon keyboard plugin (using gconf-editor).
The BadWindow error is researched in bug 199245, bug 254671, and
possibly others (even
Well, since set_touchpad_enabled() and other functions that were
introduced by 08_extra_touchpad_options.patch also didn't contain any
#ifdef HAVE_XINPUT sections, I thought it would be a bit overkill.
It all depends on whether the extra_touchpad_options code will be sent
upstream later. If
I'm having precisely the same problem as BruceBeare, and almost exactly
the same backtrace. :)
I downloaded the debug symbols, and this is what I got:
Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0x7f1966f937a0 (LWP 19394)]
set_touchpad_enabled (state=value optimized
Sorry, that patch contains a typo... That'll teach me to test
compilation before uploading. ;) Revised patch attached.
** Attachment added: Fix segfault in
plugins/mouse/gsd-mouse-manager.c:set_touchpad_enabled() (rev 2)
** Attachment added: Dependencies.txt
http://librarian.launchpad.net/6880883/Dependencies.txt
** Attachment added: ProcMaps.txt
http://librarian.launchpad.net/6880884/ProcMaps.txt
** Attachment added: ProcStatus.txt
http://librarian.launchpad.net/6880885/ProcStatus.txt
** Attachment
Public bug reported:
Binary package hint: hwdb-client
- Remove xorg.conf
- Start X.org (should start without problems on most systems)
- Start hardware database applet
- Fill in questions
- When you get to the assembling data screen, you'll get a python exception
about the missing xorg.conf
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