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Message #127968
[Bug 1418260] Re: nm-applet crashed with SIGSEGV in add_menu_item()
** Description changed:
+ [Impact]
+ If for any reason ModemManager is unavailable or unable to understand the modem device that pops up as broadband (also, in the case of Desktop-Next), NM-applet may crash due to expecting that there is always a devinfo object from the ModemManager data.
+
+ [Test case]
+ Install, use desktop, with ModemManager disabled.
+
+ [Regression potential]
+ Minimal, this is a patch from upstream which covers a known issue with NM in case ModemManager is unavailable to answer requests; what may happen as a result of devinfo being unavailable but NM continuing without crashing is that icons and pretty device names or signal level might be unavailable.
+
+ ---
+
Crash when trying to install the system.
ProblemType: Crash
DistroRelease: Ubuntu 15.04
Package: network-manager-gnome 0.9.10.1-0ubuntu1
ProcVersionSignature: Ubuntu 3.18.0-12.13-generic 3.18.4
Uname: Linux 3.18.0-12-generic x86_64
ApportVersion: 2.15.1-0ubuntu4
Architecture: amd64
CasperVersion: 1.350
CurrentDesktop: Unity
Date: Thu Feb 5 00:14:28 2015
ExecutablePath: /usr/bin/nm-applet
IfupdownConfig:
- # interfaces(5) file used by ifup(8) and ifdown(8)
- auto lo
- iface lo inet loopback
+ # interfaces(5) file used by ifup(8) and ifdown(8)
+ auto lo
+ iface lo inet loopback
IpRoute:
- default via 192.168.179.1 dev wlan0 proto static metric 1024
- 169.254.0.0/16 dev wlan0 scope link metric 1000
- 192.168.179.0/24 dev wlan0 proto kernel scope link src 192.168.179.24
+ default via 192.168.179.1 dev wlan0 proto static metric 1024
+ 169.254.0.0/16 dev wlan0 scope link metric 1000
+ 192.168.179.0/24 dev wlan0 proto kernel scope link src 192.168.179.24
LiveMediaBuild: Ubuntu 15.04 "Vivid Vervet" - Alpha amd64 (20150203)
NetworkManager.state:
- [main]
- NetworkingEnabled=true
- WirelessEnabled=true
- WWANEnabled=true
- WimaxEnabled=true
+ [main]
+ NetworkingEnabled=true
+ WirelessEnabled=true
+ WWANEnabled=true
+ WimaxEnabled=true
ProcCmdline: nm-applet
ProcEnviron:
- PATH=(custom, no user)
- XDG_RUNTIME_DIR=<set>
- LANG=de_DE.UTF-8
- SHELL=/bin/bash
+ PATH=(custom, no user)
+ XDG_RUNTIME_DIR=<set>
+ LANG=de_DE.UTF-8
+ SHELL=/bin/bash
SegvAnalysis:
- Segfault happened at: 0x4327a0: mov 0x18(%r14),%rdi
- PC (0x004327a0) ok
- source "0x18(%r14)" (0x00000018) not located in a known VMA region (needed readable region)!
- destination "%rdi" ok
+ Segfault happened at: 0x4327a0: mov 0x18(%r14),%rdi
+ PC (0x004327a0) ok
+ source "0x18(%r14)" (0x00000018) not located in a known VMA region (needed readable region)!
+ destination "%rdi" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: network-manager-applet
StacktraceTop:
- ?? ()
- ?? ()
- ?? ()
- ?? ()
- g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
+ ?? ()
+ ?? ()
+ ?? ()
+ ?? ()
+ g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
Title: nm-applet crashed with SIGSEGV in g_main_context_dispatch()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
nmcli-con:
- NAME UUID TYPE TIMESTAMP TIMESTAMP-REAL AUTOCONNECT READONLY DBUS-PATH ACTIVE DEVICE STATE ACTIVE-PATH
- WiiNET 0fb694d1-9615-4328-9737-80258a84ae02 802-11-wireless 1423095224 Do 05 Feb 2015 00:13:44 UTC yes no /org/freedesktop/NetworkManager/Settings/2 yes wlan0 activated /org/freedesktop/NetworkManager/ActiveConnection/0
- Wired connection 1 ee5250e7-00fb-463e-a7a6-9c9259942c9e 802-3-ethernet 1423097919 Do 05 Feb 2015 00:58:39 UTC yes no /org/freedesktop/NetworkManager/Settings/0 no -- -- --
+ NAME UUID TYPE TIMESTAMP TIMESTAMP-REAL AUTOCONNECT READONLY DBUS-PATH ACTIVE DEVICE STATE ACTIVE-PATH
+ WiiNET 0fb694d1-9615-4328-9737-80258a84ae02 802-11-wireless 1423095224 Do 05 Feb 2015 00:13:44 UTC yes no /org/freedesktop/NetworkManager/Settings/2 yes wlan0 activated /org/freedesktop/NetworkManager/ActiveConnection/0
+ Wired connection 1 ee5250e7-00fb-463e-a7a6-9c9259942c9e 802-3-ethernet 1423097919 Do 05 Feb 2015 00:58:39 UTC yes no /org/freedesktop/NetworkManager/Settings/0 no -- -- --
nmcli-dev:
- DEVICE TYPE STATE DBUS-PATH CONNECTION CON-UUID CON-PATH
- wlan0 wifi connected /org/freedesktop/NetworkManager/Devices/2 WiiNET 0fb694d1-9615-4328-9737-80258a84ae02 /org/freedesktop/NetworkManager/ActiveConnection/0
- eth0 ethernet unavailable /org/freedesktop/NetworkManager/Devices/1 -- -- --
- ttyACM1 gsm unavailable /org/freedesktop/NetworkManager/Devices/4 -- -- --
- lo loopback unmanaged /org/freedesktop/NetworkManager/Devices/0 -- -- --
+ DEVICE TYPE STATE DBUS-PATH CONNECTION CON-UUID CON-PATH
+ wlan0 wifi connected /org/freedesktop/NetworkManager/Devices/2 WiiNET 0fb694d1-9615-4328-9737-80258a84ae02 /org/freedesktop/NetworkManager/ActiveConnection/0
+ eth0 ethernet unavailable /org/freedesktop/NetworkManager/Devices/1 -- -- --
+ ttyACM1 gsm unavailable /org/freedesktop/NetworkManager/Devices/4 -- -- --
+ lo loopback unmanaged /org/freedesktop/NetworkManager/Devices/0 -- -- --
nmcli-nm: Error: command ['nmcli', '-f', 'all', 'nm'] failed with exit code 2: Error: Object 'nm' is unknown, try 'nmcli help'.
--
You received this bug notification because you are a member of Desktop
Packages, which is subscribed to network-manager-applet in Ubuntu.
https://bugs.launchpad.net/bugs/1418260
Title:
nm-applet crashed with SIGSEGV in add_menu_item()
Status in Network Manager Applet:
Confirmed
Status in network-manager-applet package in Ubuntu:
In Progress
Status in network-manager-applet source package in Vivid:
In Progress
Bug description:
[Impact]
If for any reason ModemManager is unavailable or unable to understand the modem device that pops up as broadband (also, in the case of Desktop-Next), NM-applet may crash due to expecting that there is always a devinfo object from the ModemManager data.
[Test case]
Install, use desktop, with ModemManager disabled.
[Regression potential]
Minimal, this is a patch from upstream which covers a known issue with NM in case ModemManager is unavailable to answer requests; what may happen as a result of devinfo being unavailable but NM continuing without crashing is that icons and pretty device names or signal level might be unavailable.
---
Crash when trying to install the system.
ProblemType: Crash
DistroRelease: Ubuntu 15.04
Package: network-manager-gnome 0.9.10.1-0ubuntu1
ProcVersionSignature: Ubuntu 3.18.0-12.13-generic 3.18.4
Uname: Linux 3.18.0-12-generic x86_64
ApportVersion: 2.15.1-0ubuntu4
Architecture: amd64
CasperVersion: 1.350
CurrentDesktop: Unity
Date: Thu Feb 5 00:14:28 2015
ExecutablePath: /usr/bin/nm-applet
IfupdownConfig:
# interfaces(5) file used by ifup(8) and ifdown(8)
auto lo
iface lo inet loopback
IpRoute:
default via 192.168.179.1 dev wlan0 proto static metric 1024
169.254.0.0/16 dev wlan0 scope link metric 1000
192.168.179.0/24 dev wlan0 proto kernel scope link src 192.168.179.24
LiveMediaBuild: Ubuntu 15.04 "Vivid Vervet" - Alpha amd64 (20150203)
NetworkManager.state:
[main]
NetworkingEnabled=true
WirelessEnabled=true
WWANEnabled=true
WimaxEnabled=true
ProcCmdline: nm-applet
ProcEnviron:
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=de_DE.UTF-8
SHELL=/bin/bash
SegvAnalysis:
Segfault happened at: 0x4327a0: mov 0x18(%r14),%rdi
PC (0x004327a0) ok
source "0x18(%r14)" (0x00000018) not located in a known VMA region (needed readable region)!
destination "%rdi" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: network-manager-applet
StacktraceTop:
?? ()
?? ()
?? ()
?? ()
g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
Title: nm-applet crashed with SIGSEGV in g_main_context_dispatch()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
nmcli-con:
NAME UUID TYPE TIMESTAMP TIMESTAMP-REAL AUTOCONNECT READONLY DBUS-PATH ACTIVE DEVICE STATE ACTIVE-PATH
WiiNET 0fb694d1-9615-4328-9737-80258a84ae02 802-11-wireless 1423095224 Do 05 Feb 2015 00:13:44 UTC yes no /org/freedesktop/NetworkManager/Settings/2 yes wlan0 activated /org/freedesktop/NetworkManager/ActiveConnection/0
Wired connection 1 ee5250e7-00fb-463e-a7a6-9c9259942c9e 802-3-ethernet 1423097919 Do 05 Feb 2015 00:58:39 UTC yes no /org/freedesktop/NetworkManager/Settings/0 no -- -- --
nmcli-dev:
DEVICE TYPE STATE DBUS-PATH CONNECTION CON-UUID CON-PATH
wlan0 wifi connected /org/freedesktop/NetworkManager/Devices/2 WiiNET 0fb694d1-9615-4328-9737-80258a84ae02 /org/freedesktop/NetworkManager/ActiveConnection/0
eth0 ethernet unavailable /org/freedesktop/NetworkManager/Devices/1 -- -- --
ttyACM1 gsm unavailable /org/freedesktop/NetworkManager/Devices/4 -- -- --
lo loopback unmanaged /org/freedesktop/NetworkManager/Devices/0 -- -- --
nmcli-nm: Error: command ['nmcli', '-f', 'all', 'nm'] failed with exit code 2: Error: Object 'nm' is unknown, try 'nmcli help'.
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