Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: wpa (Ubuntu)
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/1502717
Title:
wpa_supplicant crashed with SIGSEGV in dbus_connection_dispatch()
Status in wpa package in Ubuntu:
Confirmed
Bug description:
wpa_supplicant crashed with SIGSEGV when removing kernel module
brcmfmac.
rsalveti@evapro:~$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu Wily Werewolf (development branch)
Release: 15.10
Codename: wily
Linux evapro 4.2.0-14-generic #16-Ubuntu SMP Fri Oct 2 05:14:57 UTC
2015 x86_64 x86_64 x86_64 GNU/Linux
MacBook Pro Retina 13' 12,1
43557 Oct 4 18:02:56 evapro kernel: [ 86.406354] usbcore: deregistering
interface driver brcmfmac
43558 Oct 4 18:02:57 evapro avahi-daemon[950]: Withdrawing workstation
service for wlp3s0.
43559 Oct 4 18:02:57 evapro NetworkManager[936]: <info> devices removed
(path: /sys/devices/pci0000:00/0000:00:1c.2/0000:03:00.0/net/wlp3s0, iface:
wlp3s0)
43560 Oct 4 18:02:57 evapro NetworkManager[936]: <info> (wlp3s0): device
state change: disconnected -> unmanaged (reason 'removed') [30 10 36]
43561 Oct 4 18:02:57 evapro NetworkManager[936]: <warn> (wlp3s0): failed to
disable userspace IPv6LL address handling
43562 Oct 4 18:02:57 evapro gnome-session[2190]: (nm-applet:2346):
GLib-CRITICAL **: Source ID 190 was not found when attempting to remove it
43563 Oct 4 18:02:57 evapro NetworkManager[936]: <info> radio killswitch
/sys/devices/pci0000:00/0000:00:1c.2/0000:03:00.0/ieee80211/phy0/rfkill0
disappeared
43564 Oct 4 18:02:57 evapro kernel: [ 86.947963] show_signal_msg: 39
callbacks suppressed
43565 Oct 4 18:02:57 evapro kernel: [ 86.947968] wpa_supplicant[1330]:
segfault at 0 ip 00007f835170fcba sp 00007fffc00140c8 error 4 in
libc-2.21.so[7f8351670000+1c0000]
43566 Oct 4 18:02:57 evapro NetworkManager[936]: <info> wpa_supplicant
stopped
43567 Oct 4 18:02:57 evapro NetworkManager[936]: <info> (wlx048d38ab601a):
supplicant interface state: completed -> down
43568 Oct 4 18:02:57 evapro NetworkManager[936]: (NetworkManager:936):
GLib-CRITICAL **: Source ID 167 was not found when attempting to remove it
43569 Oct 4 18:02:57 evapro NetworkManager[936]: <warn> Failed to
GDBus.Error:org.freedesktop.DBus.Error.ServiceUnknown: The name :1.30 was not
provided by any .service files: remove network.
43570 Oct 4 18:02:57 evapro dbus[969]: [system] Activating via systemd:
service name='fi.w1.wpa_supplicant1' unit='wpa_supplicant.service'
43571 Oct 4 18:02:57 evapro NetworkManager[936]: <info> (wlx048d38ab601a):
device state change: activated -> unavailable (reason 'supplicant-failed') [100
20 10]
43572 Oct 4 18:02:57 evapro systemd[1]: Started WPA supplicant.
43573 Oct 4 18:02:57 evapro NetworkManager[936]: <info> (wlx048d38ab601a):
canceled DHCP transaction, DHCP client pid 1915
43574 Oct 4 18:02:57 evapro NetworkManager[936]: <info> (wlx048d38ab601a):
DHCPv4 state changed bound -> done
43575 Oct 4 18:02:57 evapro avahi-daemon[950]: Withdrawing address record
for 192.168.1.17 on wlx048d38ab601a.
43576 Oct 4 18:02:57 evapro avahi-daemon[950]: Leaving mDNS multicast group
on interface wlx048d38ab601a.IPv4 with address 192.168.1.17.
43577 Oct 4 18:02:57 evapro avahi-daemon[950]: Interface
wlx048d38ab601a.IPv4 no longer relevant for mDNS.
43578 Oct 4 18:02:57 evapro avahi-daemon[950]: Withdrawing address record
for fe80::68d:38ff:feab:601a on wlx048d38ab601a.
43579 Oct 4 18:02:57 evapro avahi-daemon[950]: Leaving mDNS multicast group
on interface wlx048d38ab601a.IPv6 with address fe80::68d:38ff:feab:601a.
43580 Oct 4 18:02:57 evapro avahi-daemon[950]: Interface
wlx048d38ab601a.IPv6 no longer relevant for mDNS.
43581 Oct 4 18:02:57 evapro NetworkManager[936]: <info> Writing DNS
information to /sbin/resolvconf
43582 Oct 4 18:02:57 evapro dnsmasq[1607]: setting upstream servers from DBus
43583 Oct 4 18:02:57 evapro dnsmasq[1607]: using nameserver
fe80::e6f4:c6ff:fe0b:5c4d#53
43584 Oct 4 18:02:57 evapro whoopsie[994]: [18:02:57] Cannot reach:
https://daisy.ubuntu.com
43585 Oct 4 18:02:57 evapro whoopsie[994]: [18:02:57] offline
43586 Oct 4 18:02:57 evapro whoopsie[994]: [18:02:57] Cannot reach:
https://daisy.ubuntu.com
43587 Oct 4 18:02:57 evapro NetworkManager[936]: <info> Writing DNS
information to /sbin/resolvconf
43588 Oct 4 18:02:57 evapro dnsmasq[1607]: setting upstream servers from DBus
43589 Oct 4 18:02:57 evapro NetworkManager[936]: <info> NetworkManager
state is now CONNECTED_LOCAL
43590 Oct 4 18:02:57 evapro NetworkManager[936]: <info> NetworkManager
state is now DISCONNECTED
43591 Oct 4 18:02:57 evapro nm-dispatcher: Dispatching action 'down' for
wlx048d38ab601a
43592 Oct 4 18:02:57 evapro systemd[1]: wpa_supplicant.service: Main process
exited, code=dumped, status=11/SEGV
43593 Oct 4 18:02:57 evapro systemd[1]: wpa_supplicant.service: Unit entered
failed state.
43594 Oct 4 18:02:57 evapro systemd[1]: wpa_supplicant.service: Failed with
result 'core-dump'.
43595 Oct 4 18:02:58 evapro gnome-session[2190]: Gtk-Message: GtkDialog
mapped without a transient parent. This is discouraged.
43596 Oct 4 18:02:58 evapro org.freedesktop.Notifications[2012]: ** Message:
resizing pixbuf to 44
ProblemType: Crash
DistroRelease: Ubuntu 15.10
Package: wpasupplicant 2.4-0ubuntu2
ProcVersionSignature: Ubuntu 4.2.0-14.16-generic 4.2.2
Uname: Linux 4.2.0-14-generic x86_64
ApportVersion: 2.19-0ubuntu1
Architecture: amd64
Date: Sun Oct 4 18:02:57 2015
ExecutablePath: /sbin/wpa_supplicant
ExecutableTimestamp: 1439920046
InstallationDate: Installed on 2015-09-20 (14 days ago)
InstallationMedia: Ubuntu 15.10 "Wily Werewolf" - Alpha amd64 (20150919)
ProcCmdline: /sbin/wpa_supplicant -u -s -O /run/wpa_supplicant
ProcCwd: /
ProcEnviron:
LANG=en_US.UTF-8
PATH=(custom, no user)
SegvAnalysis:
Segfault happened at: 0x7f835170fcba <__strcmp_sse2_unaligned+26>: movdqu
(%rdi),%xmm1
PC (0x7f835170fcba) 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: No upgrade log present (probably fresh install)
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