New subject: [Bug 888210] NetworkManager exec 'general protection' SEGV with current libnl -- downgrade of libnl fixes

21 Jul 2014

      https://bugzilla.novell.com/show_bug.cgi?id=888210

https://bugzilla.novell.com/show_bug.cgi?id=888210#c0

           Summary: NetworkManager exec 'general protection' SEGV with
                    current libnl -- downgrade of libnl fixes
    Classification: openSUSE
           Product: openSUSE 13.1
           Version: Final
          Platform: All
        OS/Version: openSUSE 13.1
            Status: NEW
          Severity: Critical
          Priority: P5 - None
         Component: Network
        AssignedTo: bnc-team-screening@forge.provo.novell.com
        ReportedBy: grantksupport@operamail.com
         QAContact: qa-bugs@suse.de
          Found By: ---
           Blocker: ---

User-Agent:       Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101
Firefox/31.0

on

    uname -a 
        Linux gklaptop 3.15.6-1.gfdb2dde-desktop #1 SMP PREEMPT Fri Jul 18
07:19:39 UTC 2014 (fdb2dde) x86_64 x86_64 x86_64 GNU/Linux

    rpm -qa | grep -i networkmanager
        NetworkManager-openvpn-0.9.8.4-1.3.x86_64
        NetworkManager-gnome-0.9.8.4-20.3.x86_64
        NetworkManager-0.9.8.8-1.1.x86_64
        NetworkManager-devel-0.9.8.8-1.1.x86_64
        typelib-1_0-NetworkManager-1_0-0.9.8.8-1.1.x86_64
        libNetworkManagerQt0-0.9.8.1-3.2.x86_64
        NetworkManager-debuginfo-0.9.8.8-1.1.x86_64

    kde4-config --version
        Qt: 4.8.6
        KDE Development Platform: 4.13.3
        kde4-config: 1.0

NM exec segfaults

    systemctl start NetworkManager
        Job for NetworkManager.service failed. See 'systemctl status
NetworkManager.service' and 'journalctl -xn' for details.

    systemctl status NetworkManager.service
        NetworkManager.service - Network Manager
           Loaded: loaded (/usr/lib/systemd/system/NetworkManager.service;
disabled)
           Active: failed (Result: signal) since Mon 2014-07-21 10:29:56 PDT;
7s ago
          Process: 3388 ExecStart=/usr/sbin/NetworkManager --no-daemon
(code=killed, signal=SEGV)
         Main PID: 3388 (code=killed, signal=SEGV)

        Jul 21 10:29:56 gklaptop NetworkManager[3388]: <info> NetworkManager
(version 0.9.8.8) is starting...
        Jul 21 10:29:56 gklaptop systemd[1]: NetworkManager.service: main
process exited, code=killed, status=11/SEGV
        Jul 21 10:29:56 gklaptop systemd[1]: Failed to start Network Manager.
        Jul 21 10:29:56 gklaptop systemd[1]: Unit NetworkManager.service
entered failed state.

    /usr/sbin/NetworkManager --no-daemon
        NetworkManager[3426]: <info> NetworkManager (version 0.9.8.8) is
starting...
        NetworkManager[3426]: <info> Read config file
/etc/NetworkManager/NetworkManager.conf
        NetworkManager[3426]: <info> WEXT support is enabled
        Segmentation fault

running a GDB trace

    zypper install NetworkManager-debuginfo
    gdb -q -iex "set auto-load safe-path /usr/lib64" --args
/usr/sbin/NetworkManager --no-daemon
        (gdb) run
        Starting program: /usr/sbin/NetworkManager --no-daemon
        [Thread debugging using libthread_db enabled]
        Using host libthread_db library "/lib64/libthread_db.so.1".
        [New Thread 0x7ffff2e98700 (LWP 3827)]
        NetworkManager[3823]: <info> NetworkManager (version 0.9.8.8) is
starting...
        NetworkManager[3823]: <info> Read config file
/etc/NetworkManager/NetworkManager.conf
        NetworkManager[3823]: <info> WEXT support is enabled

        Program received signal SIGSEGV, Segmentation fault.
        0x000000000046d0de in nm_netlink_monitor_attach (self=0x715560) at
nm-netlink-monitor.c:478
        478     nm-netlink-monitor.c: No such file or directory.
        (gdb) bt
        #0  0x000000000046d0de in nm_netlink_monitor_attach (self=0x715560) at
nm-netlink-monitor.c:478
        #1  0x000000000046dd24 in nm_netlink_monitor_get () at
nm-netlink-monitor.c:841
        #2  0x000000000042a281 in main (argc=1, argv=0x7fffffffd778) at
main.c:525
        (gdb) 

reading

    net-misc/networkmanager-0.9.8.2-r2: NetworkManager segfaults at startup

https://bugs.funtoo.org/browse/FL-1310?page=com.atlassian.jira.plugin.system...

    net-misc/networkmanager with >=dev-libs/libnl-3.2.25_rc1 - segmentation
fault in nm_netlink_monitor_attach ()
     https://bugs.gentoo.org/show_bug.cgi?id=515132

currently

    rpm -qa | grep -i libnl
        ntrack-libnl3_x-016-19.3.x86_64
        libnl3-200-3.2.25-61.1.x86_64
        libnl1-1.1.4-146.1.x86_64
        libnl-config-3.2.25-61.1.noarch

downgrading

    zypper in --oldpackage libnl3-200-3.2.22-2.1.2.x86_64

        ...
        The following package is going to be downgraded:
          libnl3-200 

        The following package is going to change vendor:
          libnl3-200  obs://build.opensuse.org/security -> openSUSE
        ...

re-exec works

    systemctl start NetworkManager
    ps ax | grep Network
        4121 ?        Ssl    0:00 /usr/sbin/NetworkManager --no-daemon

Reproducible: Always

Steps to Reproduce:
1.
2.
3.

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[Bug 888210] New: NetworkManager exec 'general protection' SEGV with current libnl -- downgrade of libnl fixes

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