gnome-shell crashed with SIGSEGV in __strlen_avx2() from g_strdup() from g_error_copy()

Bug #1940133 reported by sampath reddy
10
This bug affects 1 person
Affects Status Importance Assigned to Milestone
gnome-shell (Ubuntu)
New
Undecided
Unassigned

Bug Description

hang

ProblemType: Crash
DistroRelease: Ubuntu 21.10
Package: gnome-shell 40.2-1ubuntu2
ProcVersionSignature: Ubuntu 5.13.0-14.14-generic 5.13.1
Uname: Linux 5.13.0-14-generic x86_64
ApportVersion: 2.20.11-0ubuntu67
Architecture: amd64
CasperMD5CheckResult: pass
CurrentDesktop: ubuntu:GNOME
Date: Mon Aug 16 19:09:25 2021
DisplayManager: gdm3
ExecutablePath: /usr/bin/gnome-shell
InstallationDate: Installed on 2021-08-16 (0 days ago)
InstallationMedia: Ubuntu 21.10 "Impish Indri" - Alpha amd64 (20210816)
ProcCmdline: /usr/bin/gnome-shell
ProcEnviron:
 LANG=en_IN
 LANGUAGE=en_IN:en
 PATH=(custom, no user)
 SHELL=/bin/bash
 XDG_RUNTIME_DIR=<set>
RelatedPackageVersions: mutter-common 40.2.1-1ubuntu1
Signal: 11
SourcePackage: gnome-shell
StacktraceTop:
 __strlen_avx2 () at ../sysdeps/x86_64/multiarch/strlen-avx2.S:74
 g_strdup () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
 g_error_copy () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
 ?? () from /lib/x86_64-linux-gnu/libmutter-8.so.0
 g_list_foreach () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
Title: gnome-shell crashed with SIGSEGV in __strlen_avx2()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin lxd plugdev sambashare sudo
separator:

Revision history for this message
sampath reddy (sedisampath) wrote :
tags: removed: need-amd64-retrace
Revision history for this message
Steve Beattie (sbeattie) wrote : Bug is not a security issue

Thanks for taking the time to report this bug and helping to make Ubuntu better. We appreciate the difficulties you are facing, but this appears to be a "regular" (non-security) bug. I have unmarked it as a security issue since this bug does not show evidence of allowing attackers to cross privilege boundaries nor directly cause loss of data/privacy. Please feel free to report any other bugs you may find.

information type: Private Security → Public
summary: - gnome-shell crashed with SIGSEGV in __strlen_avx2()
+ gnome-shell crashed with SIGSEGV in __strlen_avx2() from g_strdup() from
+ g_error_copy()
Revision history for this message
Daniel van Vugt (vanvugt) wrote :

Bug 1944388 has a better backtrace of this problem so we should use that.

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