Ubuntu
wpa package

wpa_supplicant crashed with SIGSEGV in get_iface_by_dbus_path()

Bug #1482439 reported by Anders Kaseorg
182
This bug affects 56 people
Affects Status Importance Assigned to Milestone
wpa (Fedora)
Fix Released
Undecided
wpa (Ubuntu)
Fix Released
Medium
Unassigned

Bug Description

wpa_supplicant crashed with SIGSEGV in dbus_connection_dispatch()

ProblemType: Crash
DistroRelease: Ubuntu 15.10
Package: wpasupplicant 2.4-0ubuntu1
ProcVersionSignature: Ubuntu 4.1.0-3.3-generic 4.1.3
Uname: Linux 4.1.0-3-generic x86_64
NonfreeKernelModules: openafs
ApportVersion: 2.18-0ubuntu5
Architecture: amd64
Date: Wed Aug 5 00:08:21 2015
ExecutablePath: /sbin/wpa_supplicant
InstallationDate: Installed on 2015-06-02 (65 days ago)
InstallationMedia: Ubuntu-GNOME 15.04 "Vivid Vervet" - Release amd64 (20150422)
ProcCmdline: /sbin/wpa_supplicant -u -s -O /run/wpa_supplicant
ProcEnviron:
 LANG=en_US.UTF-8
 PATH=(custom, no user)
SegvAnalysis:
 Segfault happened at: 0x7f8880818cba <__strcmp_sse2_unaligned+26>: movdqu (%rdi),%xmm1
 PC (0x7f8880818cba) ok
 source "(%rdi)" (0x00000000) not located in a known VMA region (needed readable region)!
 destination "%xmm1" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: wpa
StacktraceTop:
 ?? ()
 ?? ()
 ?? () from /lib/x86_64-linux-gnu/libdbus-1.so.3
 dbus_connection_dispatch () from /lib/x86_64-linux-gnu/libdbus-1.so.3
 ?? ()
Title: wpa_supplicant crashed with SIGSEGV in dbus_connection_dispatch()
UpgradeStatus: Upgraded to wily on 2015-06-17 (50 days ago)
UserGroups:

Related branches

lp:ubuntu/wily-proposed/wpa
Revision history for this message
In , smanocch (smanocch-redhat-bugs) wrote :

Version-Release number of selected component:
wpa_supplicant-2.4-2.fc22

Additional info:
reporter: libreport-2.6.0
backtrace_rating: 4
cmdline: /usr/sbin/wpa_supplicant -c /etc/wpa_supplicant/wpa_supplicant.conf -u -f /var/log/wpa_supplicant.log -P /var/run/wpa_supplicant.pid
crash_function: __strcmp_sse2_unaligned
executable: /usr/sbin/wpa_supplicant
global_pid: 27905
kernel: 4.0.5-300.fc22.x86_64
runlevel: N 5
type: CCpp
uid: 0

Truncated backtrace:
Thread no. 1 (10 frames)
 #0 __strcmp_sse2_unaligned at ../sysdeps/x86_64/multiarch/strcmp-sse2-unaligned.S:29
 #1 get_iface_by_dbus_path at dbus/dbus_new_handlers.c:160
 #2 wpas_dbus_handler_remove_interface at dbus/dbus_new_handlers.c:653
 #3 msg_method_handler at dbus/dbus_new_helpers.c:349
 #4 message_handler at dbus/dbus_new_helpers.c:405
 #5 _dbus_object_tree_dispatch_and_unlock at dbus-object-tree.c:1018
 #7 dispatch_data at dbus/dbus_common.c:38
 #8 process_watch at dbus/dbus_common.c:74
 #9 process_watch_read at dbus/dbus_common.c:90
 #10 eloop_sock_table_dispatch at ../src/utils/eloop.c:502

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In , smanocch (smanocch-redhat-bugs) wrote :

Created attachment 1039179
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In , Fedora (fedora-redhat-bugs) wrote :

wpa_supplicant-2.4-3.fc22 has been submitted as an update for Fedora 22.
https://admin.fedoraproject.org/updates/wpa_supplicant-2.4-3.fc22

Revision history for this message
In , Fedora (fedora-redhat-bugs) wrote :

Package wpa_supplicant-2.4-3.fc22:
* should fix your issue,
* was pushed to the Fedora 22 testing repository,
* should be available at your local mirror within two days.
Update it with:
# su -c 'yum update --enablerepo=updates-testing wpa_supplicant-2.4-3.fc22'
as soon as you are able to.
Please go to the following url:
https://admin.fedoraproject.org/updates/FEDORA-2015-10215/wpa_supplicant-2.4-3.fc22
then log in and leave karma (feedback).

Revision history for this message
In , Fedora (fedora-redhat-bugs) wrote :

wpa_supplicant-2.4-3.fc22 has been pushed to the Fedora 22 stable repository. If problems still persist, please make note of it in this bug report.

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Anders Kaseorg (andersk) wrote :
Revision history for this message
Apport retracing service (apport) wrote :

StacktraceTop:
 get_iface_by_dbus_path (global=0x55ec8dd3cd50, path=0x55ec8dd6b5a4 "/fi/w1/wpa_supplicant1/Interfaces/1") at dbus/dbus_new_handlers.c:168
 wpas_dbus_handler_remove_interface (message=0x55ec8dd405f0, global=0x55ec8dd3cd50) at dbus/dbus_new_handlers.c:749
 msg_method_handler (obj_dsc=0x55ec8dd3d540, obj_dsc=0x55ec8dd3d540, message=0x55ec8dd405f0) at dbus/dbus_new_helpers.c:349
 message_handler (connection=0x55ec8dd3ddd0, message=message@entry=0x55ec8dd405f0, user_data=user_data@entry=0x55ec8dd3d540) at dbus/dbus_new_helpers.c:405
 _dbus_object_tree_dispatch_and_unlock (tree=0x55ec8dd3da70, message=message@entry=0x55ec8dd405f0, found_object=found_object@entry=0x7ffc19020b44) at ../../dbus/dbus-object-tree.c:1018

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Apport retracing service (apport) wrote : Stacktrace.txt
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Apport retracing service (apport) wrote : StacktraceSource.txt
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Apport retracing service (apport) wrote : ThreadStacktrace.txt
Changed in wpa (Ubuntu):
importance: Undecided → Medium
summary: - wpa_supplicant crashed with SIGSEGV in dbus_connection_dispatch()
+ wpa_supplicant crashed with SIGSEGV in get_iface_by_dbus_path()
tags: removed: need-amd64-retrace
Anders Kaseorg (andersk)
information type: Private → Public
Revision history for this message
Launchpad Janitor (janitor) wrote :

Status changed to 'Confirmed' because the bug affects multiple users.

Changed in wpa (Ubuntu):
status: New → Confirmed
Revision history for this message
Christopher Kyle Horton (christhehorton) wrote :

The linked Fedora bug is closed with a note that wpa_supplicant-2.4.3 should fix this issue.

Apport retracing service (apport)
tags: added: bugpattern-needed
Revision history for this message
Launchpad Janitor (janitor) wrote :

This bug was fixed in the package wpa - 2.4-0ubuntu3

---------------
wpa (2.4-0ubuntu3) wily; urgency=medium

  * debian/patches/dbus-fix-operations-for-p2p-mgmt.patch: fix operations
    when P2P management interface is used (LP: #1482439)

 -- Ricardo Salveti de Araujo <email address hidden> Wed, 07 Oct 2015 10:21:39 -0300

Changed in wpa (Ubuntu):
status: Confirmed → Fix Released
Revision history for this message
In , Fedora (fedora-redhat-bugs) wrote :

wpa_supplicant-2.4-8.fc23 has been submitted as an update to Fedora 23. https://bodhi.fedoraproject.org/updates/FEDORA-2016-68136b911f

Revision history for this message
In , Fedora (fedora-redhat-bugs) wrote :

wpa_supplicant-2.4-8.fc23 has been pushed to the Fedora 23 testing repository. If problems still persist, please make note of it in this bug report.
See https://fedoraproject.org/wiki/QA:Updates_Testing for
instructions on how to install test updates.
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2016-68136b911f

Revision history for this message
In , Fedora (fedora-redhat-bugs) wrote :

wpa_supplicant-2.4-8.fc23 has been pushed to the Fedora 23 stable repository. If problems still persist, please make note of it in this bug report.

Bug Watch Updater (bug-watch-updater)
Changed in wpa (Fedora):
importance: Unknown → Undecided
status: Unknown → Fix Released
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