Public bug reported:
# cat /etc/os-release
NAME="Ubuntu"
VERSION="15.10 (Wily Werewolf)"
ID=ubuntu
ID_LIKE=debian
PRETTY_NAME="Ubuntu 15.10"
VERSION_ID="15.10"
HOME_URL="http://www.ubuntu.com/";
SUPPORT_URL="http://help.ubuntu.com/";
BUG_REPORT_URL="http://bugs.launchpad.net/ubuntu/";
$ dpkg -l network-manager
Desired=Unknown/Install/Remove/Purge/Hold
| Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend
|/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad)
||/ Name Version
Architecture Description
+++-===============================================-============================-============================-===================================================================================================
ii network-manager 1.0.4-0ubuntu5.2
amd64 network management framework (daemon and
userspace tools)
from: _usr_sbin_NetworkManager.0.crash
SegvReason: reading NULL VMA
SourcePackage: network-manager
Stacktrace:
#0 0x0000000000497b07 in on_bss_proxy_acquired (proxy=0xeefbb0 [GDBusProxy],
result=0x17dfb40, user_data=<optimized out>) at
supplicant-manager/nm-supplicant-interface.c:157
self = 0xf5e0b0 [NMSupplicantInterface]
error = 0x0
properties = 0x0
props = 0x0
builder = {x = {0, 15699024, 15699025, 0, 0, 18446744073709551615,
17780224, 8, 0, 3, 1033660112, 0, 0, 0, 0, 0}}
iter = <optimized out>
__func__ = "on_bss_proxy_acquired"
#1 0x00007fab9c9b85f3 in g_task_return_now (task=0x17dfb40 [GTask]) at
/build/glib2.0-ajuDY6/glib2.0-2.46.1/./gio/gtask.c:1104
#2 0x00007fab9c9b8c7e in g_task_return (task=0x17dfb40 [GTask],
type=<optimized out>) at /build/glib2.0-ajuDY6/glib2.0-2.46.1/./gio/gtask.c:1162
source = 0x7fab8e54a140
#3 0x00007fab9ca10efd in init_second_async_cb (source_object=<optimized out>,
res=<optimized out>, user_data=0x17dfb40) at
/build/glib2.0-ajuDY6/glib2.0-2.46.1/./gio/gdbusproxy.c:1805
task = 0x17dfb40 [GTask]
error = 0x0
#4 0x00007fab9c9b85f3 in g_task_return_now (task=0x17dc8f0 [GTask]) at
/build/glib2.0-ajuDY6/glib2.0-2.46.1/./gio/gtask.c:1104
NetworkManager$ git show 33527341b1e35034a4f1736df4bc98f8ac8418ab
commit 33527341b1e35034a4f1736df4bc98f8ac8418ab
Author: Jiří Klimeš <[email protected]>
Date: Thu May 7 11:27:26 2015 +0200
wifi: fix a crash in on_bss_proxy_acquired()
g_dbus_proxy_get_cached_property_names() function can return NULL.
Program received signal SIGSEGV, Segmentation fault.
on_bss_proxy_acquired (proxy=0x7fffe4003880 [GDBusProxy], result=0x895490,
user_data=<optimized out>) at supplicant-manager/nm-supplicant-interface.c:159
159 while (*iter) {
(gdb) bt
#0 0x000000000048fac7 in on_bss_proxy_acquired (proxy=0x7fffe4003880
[GDBusProxy], result=0x895490, user_data=<optimized out>)
at supplicant-manager/nm-supplicant-interface.c:159
#1 0x0000003bf84728b7 in g_simple_async_result_complete (simple=0x895490
[GSimpleAsyncResult]) at gsimpleasyncresult.c:763
#2 0x0000003bf8472919 in complete_in_idle_cb (data=<optimized out>) at
gsimpleasyncresult.c:775
#3 0x0000003bf5c497fb in g_main_context_dispatch (context=0x7d6420) at
gmain.c:3111
#4 0x0000003bf5c497fb in g_main_context_dispatch
(context=context@entry=0x7d6420) at gmain.c:3710
#5 0x0000003bf5c49b98 in g_main_context_iterate (context=0x7d6420,
block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at
gmain.c:3781
#6 0x0000003bf5c49ec2 in g_main_loop_run (loop=0x7d64e0) at gmain.c:3975
#7 0x00000000004349d6 in main (argc=1, argv=0x7fffffffe598) at main.c:486
diff --git a/src/supplicant-manager/nm-supplicant-interface.c
b/src/supplicant-manager/nm-supplicant-interface.c
index 4731ad7..19795bf 100644
--- a/src/supplicant-manager/nm-supplicant-interface.c
+++ b/src/supplicant-manager/nm-supplicant-interface.c
@@ -156,7 +156,7 @@ on_bss_proxy_acquired (GDBusProxy *proxy, GAsyncResult
*result, gpointer user_da
g_variant_builder_init (&builder, G_VARIANT_TYPE ("a{sv}"));
iter = properties = g_dbus_proxy_get_cached_property_names (proxy);
- while (*iter) {
+ while (iter && *iter) {
GVariant *copy = g_dbus_proxy_get_cached_property (proxy,
*iter);
g_variant_builder_add (&builder, "{sv}", *iter++, copy);
** Affects: network-manager (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1547575
Title:
network manager crashes constantly. FIX IS UPSTREAM
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