Re: [PATCH] nm-service-openvpn: prevent segfault

[Dan Williams <dcbw redhat com>]

On Wed, 2008-09-17 at 00:45 +0200, Robert Buchholz wrote:
> Hey,
> 
> r4056 introduced management socket cleanup in the openvpn plugin - and a 
> SIGSEGV for me, when openvpn fails to start (because one needs 2.1_rc 
> now). Backtrace, log and patch follow.

Thanks, sorry for the lag.  r4121.

Dan

> Robert
> 
> 
> Program received signal SIGSEGV, Segmentation fault.
> [Switching to Thread 0x7fd2db7e3740 (LWP 30941)]
> 0x00007fd2daacb961 in g_io_channel_get_buffer_condition () 
> from /usr/lib/libglib-2.0.so.0
> (gdb) bt full
> #0  0x00007fd2daacb961 in g_io_channel_get_buffer_condition () 
> from /usr/lib/libglib-2.0.so.0
> No symbol table info available.
> #1  0x0000000000403014 in openvpn_watch_cb (pid=30948, status=256, 
> user_data=0x6488a0) at nm-openvpn-service.c:459
>         channel = (GIOChannel *) 0x0
>         condition = 32722
>         plugin = (NMVPNPlugin *) 0x6488a0
>         priv = (NMOpenvpnPluginPrivate *) 0x6488f0
>         failure = NM_VPN_PLUGIN_FAILURE_CONNECT_FAILED
>         error = 1
>         good_exit = 0
>         __PRETTY_FUNCTION__ = "openvpn_watch_cb"
> #2  0x00007fd2daad4308 in ?? () from /usr/lib/libglib-2.0.so.0
> No symbol table info available.
> #3  0x00007fd2daad5e98 in g_main_context_dispatch () 
> from /usr/lib/libglib-2.0.so.0
> No symbol table info available.
> #4  0x00007fd2daad9115 in ?? () from /usr/lib/libglib-2.0.so.0
> No symbol table info available.
> #5  0x00007fd2daad95fa in g_main_loop_run () 
> from /usr/lib/libglib-2.0.so.0
> No symbol table info available.
> #6  0x000000000040434b in main (argc=1, argv=0x7fffe381e068) at 
> nm-openvpn-service.c:1045
>         plugin = (NMOpenvpnPlugin *) 0x6488a0
>         main_loop = (GMainLoop *) 0x64a170
> (gdb)
>  
> 
> NetworkManager: <info>  Starting VPN 
> service 'org.freedesktop.NetworkManager.openvpn'...
> NetworkManager: <info>  VPN 
> service 'org.freedesktop.NetworkManager.openvpn' started 
> (org.freedesktop.NetworkManager.openvpn), PID 19510
> NetworkManager: <info>  VPN 
> service 'org.freedesktop.NetworkManager.openvpn' just appeared, 
> activating connections
> NetworkManager: <info>  VPN plugin state changed: 1
> NetworkManager: <info>  VPN plugin state changed: 3
> NetworkManager: <info>  VPN connection 'tubit-o' (Connect) reply 
> received.
> nm-openvpn[19515]: Options error: Unrecognized option or missing 
> parameter(s) in [CMD-LINE]:1: script-security (2.0.7)
> nm-openvpn[19515]: Use --help for more information.
> [29782.335456] nm-openvpn-serv[19510]: segfault at 10 ip 
> 00007f6803114961 sp 00007fff0be688b0 error 4 in 
> libglib-2.0.so.0.1600.5[7f68030e9000+d8000]
> NetworkManager: <WARN>  vpn_service_watch_cb(): VPN 
> service 'org.freedesktop.NetworkManager.openvpn' died with signal 11
> NetworkManager: <WARN>  connection_state_changed(): The name 
> org.freedesktop.NetworkManager.openvpn was not provided by any .service 
> files
> NetworkManager: <info>  VPN 
> service 'org.freedesktop.NetworkManager.openvpn' disappeared, 
> cancelling connections
> 
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