Ubuntu
connman package

connmand crashed with SIGSEGV in __strcmp_ssse3()

Bug #734339 reported by Kalle Valo on 2011-03-13

This bug affects 1 person

Affects		Status	Importance	Assigned to	Milestone
	Connection Manager	Fix Committed	High	Kalle Valo
	connman (Ubuntu)	Fix Released	High	Unassigned

Bug Description

Binary package hint: connman

I added three manual nameservers with indicator-network-settings (two ipv6 and one ipv4) and then connman crashed.

ProblemType: Crash
DistroRelease: Ubuntu 11.04
Package: connman 0.69-0ubuntu1
Uname: Linux 2.6.38-rc8-wl x86_64
Architecture: amd64
CrashCounter: 1
Date: Sun Mar 13 16:30:09 2011
ExecutablePath: /usr/sbin/connmand
IpRoute:
192.168.1.1 dev wlan0 scope link
192.168.1.0/24 dev wlan0 proto kernel scope link src 192.168.1.131
default via 192.168.1.1 dev wlan0
MachineType: SAMSUNG ELECTRONICS CO., LTD. X120/X170
ProcCmdline: connmand -c
ProcEnviron: PATH=(custom, no user)
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.38-rc8-wl root=UUID=b345284f-a700-4b71-a796-254f8e2835e8 ro quiet splash security= vt.handoff=7
SegvAnalysis:
Segfault happened at: 0x7f64f081cefa <__strcmp_ssse3+26>: movlpd (%rsi),%xmm2
PC (0x7f64f081cefa) ok
source "(%rsi)" (0x00000000) not located in a known VMA region (needed readable region)!
destination "%xmm2" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: connman
StacktraceTop:
__strcmp_ssse3 () at ../sysdeps/x86_64/multiarch/../strcmp.S:214
g_str_equal (v1=<value optimized out>, v2=<value optimized out>) at /build/buildd/glib2.0-2.28.2/./glib/gstring.c:116
append_domain (interface=0x7f64f28ddd90 "wlan0", domain=0x0) at src/dnsproxy.c:855
__connman_dnsproxy_append (interface=0x7f64f28ddd90 "wlan0", domain=0x0, server=0x7fff9db69c70 "2001:b18:0:1000:2e0:81ff:fe61:ae0d") at src/dnsproxy.c:889
append_resolver (interface=0x7f64f28ddd90 "wlan0", domain=0x0, server=0x7fff9db69c70 "2001:b18:0:1000:2e0:81ff:fe61:ae0d", lifetime=600, flags=0) at src/resolver.c:272
Title: connmand crashed with SIGSEGV in __strcmp_ssse3()
UpgradeStatus: Upgraded to natty on 2011-02-04 (37 days ago)
UserGroups:

dmi.bios.date: 10/13/2009
dmi.bios.vendor: Phoenix Technologies Ltd.
dmi.bios.version: 04CX.M005.20091013.KSY
dmi.board.name: X120/X170
dmi.board.vendor: SAMSUNG ELECTRONICS CO., LTD.
dmi.board.version: Not Applicable
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: SAMSUNG ELECTRONICS CO., LTD.
dmi.chassis.version: N/A
dmi.modalias: dmi:bvnPhoenixTechnologiesLtd.:bvr04CX.M005.20091013.KSY:bd10/13/2009:svnSAMSUNGELECTRONICSCO.,LTD.:pnX120/X170:pvrNotApplicable:rvnSAMSUNGELECTRONICSCO.,LTD.:rnX120/X170:rvrNotApplicable:cvnSAMSUNGELECTRONICSCO.,LTD.:ct10:cvrN/A:
dmi.product.name: X120/X170
dmi.product.version: Not Applicable
dmi.sys.vendor: SAMSUNG ELECTRONICS CO., LTD.

Tags:

Related branches

lp:~kvalo/connman/bug-734339

Merged into lp:ubuntu/natty/connman at revision 27

Andres Rodriguez (community): Approve on 2011-03-16

lp:ubuntu/natty/connman

Revision history for this message

Kalle Valo (kvalo) wrote on 2011-03-13:

BootDmesg.txt Edit (49.9 KiB, text/plain; charset="utf-8")
CRDA.txt Edit (257 bytes, text/plain; charset="utf-8")
CurrentDmesg.txt Edit (11.2 KiB, text/plain; charset="utf-8")
Dependencies.txt Edit (631 bytes, text/plain; charset="utf-8")
Disassembly.txt Edit (988 bytes, text/plain; charset="utf-8")
IfupdownConfig.txt Edit (269 bytes, text/plain; charset="utf-8")
IpAddr.txt Edit (800 bytes, text/plain; charset="utf-8")
IwConfig.txt Edit (554 bytes, text/plain; charset="utf-8")
Lspci.txt Edit (24.6 KiB, text/plain; charset="utf-8")
Lsusb.txt Edit (682 bytes, text/plain; charset="utf-8")
PciNetwork.txt Edit (6.2 KiB, text/plain; charset="utf-8")
ProcCpuinfo.txt Edit (1.5 KiB, text/plain; charset="utf-8")
ProcInterrupts.txt Edit (1.4 KiB, text/plain; charset="utf-8")
ProcMaps.txt Edit (4.7 KiB, text/plain; charset="utf-8")
ProcModules.txt Edit (5.3 KiB, text/plain; charset="utf-8")
ProcStatus.txt Edit (722 bytes, text/plain; charset="utf-8")
Registers.txt Edit (794 bytes, text/plain; charset="utf-8")
RfKill.txt Edit (112 bytes, text/plain; charset="utf-8")
Stacktrace.txt Edit (4.0 KiB, text/plain; charset="utf-8")
ThreadStacktrace.txt Edit (4.0 KiB, text/plain; charset="utf-8")
UdevDb.txt Edit (120.6 KiB, text/plain; charset="utf-8")
UdevLog.txt Edit (275.0 KiB, text/plain; charset="utf-8")
WifiSyslog.txt Edit (370.2 KiB, text/plain; charset="utf-8")

Revision history for this message

Kalle Valo (kvalo) wrote on 2011-03-14:

I see this a lot now. I believe this commit fixes this:

http://git.kernel.org/?p=network/connman/connman.git;a=commit;h=29873834009a4e88efc151104dfac3975ddeba81

visibility:	private → public
Changed in connman:
status:	New → In Progress
importance:	Undecided → High
assignee:	nobody → Kalle Valo (kvalo)
Changed in connman (Ubuntu):
status:	New → Triaged
importance:	Undecided → High

Apport retracing service (apport) on 2011-03-14

tags:

removed: need-amd64-retrace

Revision history for this message

Kalle Valo (kvalo) wrote on 2011-03-15:

I can confirm, the fix in comment #2 fixes the issue for me. I pushed the fix to a branch.

Changed in connman:
status:	In Progress → Fix Committed

Revision history for this message

Kalle Valo (kvalo) wrote on 2011-03-16:

Requesting sponsorship for my branch lp:~kvalo/connman/bug-734339.

Andres Rodriguez (andreserl) on 2011-03-16

Changed in connman (Ubuntu):
assignee:	nobody → Andres Rodriguez (andreserl)
status:	Triaged → In Progress

Revision history for this message

Andres Rodriguez (andreserl) wrote on 2011-03-16:

Branch looks good to me. Uploading!

Thanks Kalle.

Revision history for this message

Launchpad Janitor (janitor) wrote on 2011-03-16:

This bug was fixed in the package connman - 0.69-0ubuntu2

---------------
connman (0.69-0ubuntu2) natty; urgency=low

  * debian/rules: Remove unsupported configured switches --enable-dhclient
    and --enable-udev.
  * 11-dnsproxy-do-not-add-null-domains.patch: add to fix a crash with
    domain handling. (LP: #734339)
  * 04-wifi-add-a-disconnected-timer.patch: fix for a case if network is
    null. (LP: #733458)
  * debian/rules: enable nmcompat plugin so that applications can receive
    network state signals. (LP: #586033)
-- Kalle Valo <email address hidden> Wed, 16 Mar 2011 10:53:33 +0200

Changed in connman (Ubuntu):
status:	In Progress → Fix Released

Andres Rodriguez (andreserl) on 2011-03-16

Changed in connman (Ubuntu):
assignee:	Andres Rodriguez (andreserl) → nobody

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Ubuntuconnman package

connmand crashed with SIGSEGV in __strcmp_ssse3()

Bug Description

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Ubuntu
connman package