> >> > address@hidden ~]#
> >> >
> >> > Best Regards.
> >> >
> >> > On Wed, Nov 3, 2010 at 12:14 PM, Ralf Lübben <
address@hidden>
> >>
> >> wrote:
> >> > > Hi,
> >> > >
> >> > > very strange why the std::bad_alloc exception is thrown.
> >> > >
> >> > > Can you also check the process limitation with "ulimit -a" and the
> >> > > process memory usage, e.g. with "cat /proc/<PIDs>/status", where
> >> > > PIDs are the OpenVPN
> >> > > processes.
> >> > > Maybe one of the processes allocates to much memory.
> >> > >
> >> > > Or is it possible that there is peak memory usage on your which
> >>
> >> exceeds
> >>
> >> > > the free memory? But about 5GB free memory seems a lot.
> >> > >
> >> > > I will try to catch all std::bad_alloc exceptions in the plugin, so
> >>
> >> that
> >>
> >> > > the
> >> > > error maybe don't cause a crash, or crashes with an appropriate
> >> > > error message. But this will take some days.
> >> > >
> >> > >
> >> > > Regards,
> >> > > Ralf
> >> > >
> >> > > Am Mittwoch, 3. November 2010, um 05:08:24 schrieb Farrukh Ahmed:
> >> > > > Dear Ralf,
> >> > > >
> >> > > > I have seen that there is no memory limitation.
> >> > > >
> >> > > > address@hidden ~]# free -m
> >> > > >
> >> > > > total used free shared buffers
> >> > > > cached
> >> > > >
> >> > > > Mem: 3941 1547 2394 0 361
> >> > > > 915 -/+ buffers/cache: 269 3671
> >> > > > Swap: 2047 0 2047
> >> > > > address@hidden ~]#
> >> > > >
> >> > > > Best Regards.
> >> > > >
> >> > > > On Wed, Nov 3, 2010 at 1:25 AM, Ralf Lübben <
address@hidden>
> >>
> >> wrote:
> >> > > > > Hi,
> >> > > > >
> >> > > > > the most strange message is
> >> > > > >
> >> > > > > terminate called after throwing an instance of 'std::bad_alloc'
> >> > > > > what(): St9bad_alloc
> >> > > > >
> >> > > > > the other messages should not cause a crash.
> >> > > > >
> >> > > > > Is it possible that no memory can be allocated (system memory,
> >> > > > > process memory
> >> > > > > limitation)? Memory is allocated for example when a user
> >> > > > > connects. Can you check the memory for the system/process?
> >> > > > >
> >> > > > > Also I could try to catch all exceptions if memory if allocated,
> >>
> >> that
> >>
> >> > > > > would identify where error occurs and it could be handled.
> >> > > > >
> >> > > > > Regards,
> >> > > > > Ralf
> >> > > > >
> >> > > > > Am Dienstag, 2. November 2010, um 18:43:27 schrieb Farrukh Ahmed:
> >> > > > > > Dear Ralf,
> >> > > > > >
> >> > > > > > Today again this got crashed and found these lines in logs.
> >> > > > > >
> >> > > > > > address@hidden ~]# pstack 6419
> >> > > > > > #0 0x0000003f3f8c6240 in __read_nocancel () from
> >>
> >> /lib64/libc.so.6
> >>
> >> > > > > > #1 0x00002b0a8360723f in IpcSocket::recvInt() () from
> >> > > > > > /etc/openvpn/radiusplugin.so
> >> > > > > > #2 0x00002b0a83610061 in
> >> > > > > > AuthenticationProcess::Authentication(PluginContext*) () from
> >> > > > > > /etc/openvpn/radiusplugin.so
> >> > > > > > #3 0x00002b0a8360e5ec in openvpn_plugin_open_v2 () from
> >> > > > > > /etc/openvpn/radiusplugin.so
> >> > > > > > #4 0x0000000000441971 in ASN1_BIT_STRING_get_bit ()
> >> > > > > > #5 0x0000000000415477 in ASN1_BIT_STRING_get_bit ()
> >> > > > > > #6 0x000000000041834d in ASN1_BIT_STRING_get_bit ()
> >> > > > > > #7 0x0000000000418b9d in ASN1_BIT_STRING_get_bit ()
> >> > > > > > #8 0x0000000000426e07 in ASN1_BIT_STRING_get_bit ()
> >> > > > > > #9 0x000000000042f203 in ASN1_BIT_STRING_get_bit ()
> >> > > > > > #10 0x0000003f3f81d994 in __libc_start_main () from
> >> > > > > > /lib64/libc.so.6 #11 0x00000000004064d9 in
> >>
> >> ASN1_BIT_STRING_get_bit
> >>
> >> > > > > > ()
> >> > > > > > #12 0x00007fff59bc06e8 in ?? ()
> >> > > > > > #13 0x0000000000000000 in ?? ()
> >> > > > > > address@hidden ~]# pstack 861
> >> > > > > > Thread 2 (Thread 0x429f5940 (LWP 867)):
> >> > > > > > #0 0x0000003f4000aee9 in pthread_cond_wait@@GLIBC_2.3.2 ()
> >> > > > > > from /lib64/libpthread.so.0
> >> > > > > > #1 0x00002b0445501fc5 in auth_user_pass_verify(void*) () from
> >> > > > > > /etc/openvpn-ssl/radiusplugin.so
> >> > > > > > #2 0x0000003f4000673d in start_thread () from
> >> > > > > > /lib64/libpthread.so.0 #3 0x0000003f3f8d3f6d in clone () from
> >> > > > > > /lib64/libc.so.6
> >> > > > > > Thread 1 (Thread 0x2b04454ce3c0 (LWP 861)):
> >> > > > > > #0 0x0000003f3f8d4358 in epoll_wait () from /lib64/libc.so.6
> >> > > > > > #1 0x000000000040e0b1 in ASN1_BIT_STRING_get_bit ()
> >> > > > > > #2 0x0000000000425f8a in ASN1_BIT_STRING_get_bit ()
> >> > > > > > #3 0x000000000042f203 in ASN1_BIT_STRING_get_bit ()
> >> > > > > > #4 0x0000003f3f81d994 in __libc_start_main () from
> >>
> >> /lib64/libc.so.6
> >>
> >> > > > > > #5 0x00000000004064d9 in ASN1_BIT_STRING_get_bit ()
> >> > > > > > #6 0x00007fff93e01b08 in ?? ()
> >> > > > > > #7 0x0000000000000000 in ?? ()
> >> > > > > > address@hidden ~]# pstack 855
> >> > > > > > #0 0x0000003f3f8c6240 in __read_nocancel () from
> >>
> >> /lib64/libc.so.6
> >>
> >> > > > > > #1 0x00002b0445500e6b in IpcSocket::recvInt() () from
> >> > > > > > /etc/openvpn-ssl/radiusplugin.so
> >> > > > > > #2 0x00002b044550ac71 in
> >> > > > > > AuthenticationProcess::Authentication(PluginContext*) () from
> >> > > > > > /etc/openvpn-ssl/radiusplugin.so
> >> > > > > > #3 0x00002b04455091fa in openvpn_plugin_open_v2 () from
> >> > > > > > /etc/openvpn-ssl/radiusplugin.so
> >> > > > > > #4 0x0000000000441971 in ASN1_BIT_STRING_get_bit ()
> >> > > > > > #5 0x0000000000415477 in ASN1_BIT_STRING_get_bit ()
> >> > > > > > #6 0x000000000041834d in ASN1_BIT_STRING_get_bit ()
> >> > > > > > #7 0x0000000000418b9d in ASN1_BIT_STRING_get_bit ()
> >> > > > > > #8 0x0000000000425d8c in ASN1_BIT_STRING_get_bit ()
> >> > > > > > #9 0x000000000042f203 in ASN1_BIT_STRING_get_bit ()
> >> > > > > > #10 0x0000003f3f81d994 in __libc_start_main () from
> >> > > > > > /lib64/libc.so.6 #11 0x00000000004064d9 in
> >>
> >> ASN1_BIT_STRING_get_bit
> >>
> >> > > > > > ()
> >> > > > > > #12 0x00007fff93e01b08 in ?? ()
> >> > > > > > #13 0x0000000000000000 in ?? ()
> >> > > > > > address@hidden ~]#
> >> > > > > >
> >> > > > > >
> >> > > > > > Tue Nov 2 16:56:34 2010 RADIUS-PLUGIN: BACKGROUND ACCT: No
> >> > > > > > accounting
> >> > > > >
> >> > > > > data
> >> > > > >
> >> > > > > > was found for
vpn.change-mon-ip.com,
92.141.115.34:60981.
> >> > > > > > terminate called after throwing an instance of
> >> > > > > > 'std::bad_alloc' what(): St9bad_alloc
> >> > > > > > Tue Nov 2 16:57:30 2010 RADIUS-PLUGIN: Client config file was
> >>
> >> not
> >>
> >> > > > > written,
> >> > > > >
> >> > > > > > overwriteccfiles is false
> >> > > > > > .Tue Nov 2 16:59:47 2010 RADIUS-PLUGIN: Client config file was
> >>
> >> not
> >>
> >> > > > > written,
> >> > > > >
> >> > > > > > overwriteccfiles is false
> >> > > > > > .Tue Nov 2 16:59:51 2010 RADIUS-PLUGIN: Client config file was
> >>
> >> not
> >>
> >> > > > > written,
> >> > > > >
> >> > > > > > overwriteccfiles is false
> >> > > > > > .Tue Nov 2 16:59:54 2010 RADIUS-PLUGIN: Client config file was
> >>
> >> not
> >>
> >> > > > > written,
> >> > > > >
> >> > > > > > overwriteccfiles is false
> >> > > > > > .Tue Nov 2 17:00:00 2010 RADIUS-PLUGIN: Client config file was
> >>
> >> not
> >>
> >> > > > > written,
> >> > > > >
> >> > > > > > overwriteccfiles is false
> >> > > > > > .Tue Nov 2 17:00:18 2010 RADIUS-PLUGIN: Client config file was
> >>
> >> not
> >>
> >> > > > > written,
> >> > > > >
> >> > > > > > overwriteccfiles is false
> >> > > > > > .Tue Nov 2 17:00:21 2010 RADIUS-PLUGIN: Client config file was
> >>
> >> not
> >>
> >> > > > > written,
> >> > > > >
> >> > > > > > overwriteccfiles is false
> >> > > > > > .Tue Nov 2 17:00:25 2010 RADIUS-PLUGIN: Client config file was
> >>
> >> not
> >>
> >> > > > > written,
> >> > > > >
> >> > > > > > overwriteccfiles is false
> >> > > > > > .Tue Nov 2 17:01:39 2010 RADIUS-PLUGIN: Client config file was
> >>
> >> not
> >>
> >> > > > > written,
> >> > > > >
> >> > > > > > overwriteccfiles is false
> >> > > > > > .Tue Nov 2 17:01:41 2010 RADIUS-PLUGIN: Client config file was
> >>
> >> not
> >>
> >> > > > > written,
> >> > > > >
> >> > > > > > overwriteccfiles is false
> >> > > > > > .Tue Nov 2 17:01:42 2010 RADIUS-PLUGIN: Client config file was
> >>
> >> not
> >>
> >> > > > > written,
> >> > > > >
> >> > > > > > overwriteccfiles is false
> >> > > > > > .Tue Nov 2 17:01:45 2010 RADIUS-PLUGIN: Client config file was
> >>
> >> not
> >>
> >> > > > > written,
> >> > > > >
> >> > > > > > overwriteccfiles is false
> >> > > > > > .Tue Nov 2 17:01:49 2010 RADIUS-PLUGIN: Client config file was
> >>
> >> not
> >>
> >> > > > > written,
> >> > > > >
> >> > > > > > overwriteccfiles is false
> >> > > > > > .Tue Nov 2 17:01:51 2010 RADIUS-PLUGIN: Client config file was
> >>
> >> not
> >>
> >> > > > > written,
> >> > > > >
> >> > > > > > overwriteccfiles is false
> >> > > > > > .Tue Nov 2 17:02:06 2010 RADIUS-PLUGIN: Client config file was
> >>
> >> not
> >>
> >> > > > > written,
> >> > > > >
> >> > > > > > overwriteccfiles is false
> >> > > > > >
> >> > > > > > Best Regards.
> >> > > > > >
> >> > > > > > On Mon, Nov 1, 2010 at 1:57 AM, Ralf Lübben
> >> > > > > > <
address@hidden
> >> > >
> >> > > wrote:
> >> > > > > > > Hi,
> >> > > > > > >
> >> > > > > > > it seems that the interprocess communication between the
> >>
> >> plugin
> >>
> >> > > > > processes
> >> > > > >
> >> > > > > > > causes the crash. From the past messages it seems that the
> >> > > > > > > process crashes after a read or write to internal sockets.
> >> > > > > > >
> >> > > > > > > So far it's clear to me why.
> >> > > > > > >
> >> > > > > > > If you increase the "verb" option to 7, the plugin will
> >> > > > > > > create some
> >> > > > >
> >> > > > > debug
> >> > > > >
> >> > > > > > > output. I think it is also forwarded to syslog. Can you try
> >>
> >> to
> >>
> >> > > send
> >> > >
> >> > > > > the
> >> > > > >
> >> > > > > > > output to me? The plugin output has always a "RADIUS-PLUGIN"
> >>
> >> as
> >>
> >> > > > > > > prefix.
> >> > > > > > >
> >> > > > > > > Regards
> >> > > > > > > Ralf
> >> > > > > > >
> >> > > > > > > Am Sonntag, 31. Oktober 2010, um 19:09:05 schrieben Sie:
> >> > > > > > > > Dear Ralf,
> >> > > > > > > >
> >> > > > > > > > Same thing happen with Radius Plugin Version 2.1
> >> > > > > > > >
> >> > > > > > > > #0 0x0000003f3f8c6240 in __read_nocancel () from
> >> > >
> >> > > /lib64/libc.so.6
> >> > >
> >> > > > > > > > #1 0x00002ae6c5cbee6b in IpcSocket::recvInt() () from
> >> > > > > > > > /etc/openvpn-ssl/radiusplugin.so
> >> > > > > > > > #2 0x00002ae6c5cc8c71 in
> >> > > > > > > > AuthenticationProcess::Authentication(PluginContext*) ()
> >>
> >> from
> >>
> >> > > > > > > > /etc/openvpn-ssl/radiusplugin.so
> >> > > > > > > > #3 0x00002ae6c5cc71fa in openvpn_plugin_open_v2 () from
> >> > > > > > > > /etc/openvpn-ssl/radiusplugin.so
> >> > > > > > > > #4 0x0000000000441971 in ASN1_BIT_STRING_get_bit ()
> >> > > > > > > > #5 0x0000000000415477 in ASN1_BIT_STRING_get_bit ()
> >> > > > > > > > #6 0x000000000041834d in ASN1_BIT_STRING_get_bit ()
> >> > > > > > > > #7 0x0000000000418b9d in ASN1_BIT_STRING_get_bit ()
> >> > > > > > > > #8 0x0000000000425d8c in ASN1_BIT_STRING_get_bit ()
> >> > > > > > > > #9 0x000000000042f203 in ASN1_BIT_STRING_get_bit ()
> >> > > > > > > > #10 0x0000003f3f81d994 in __libc_start_main () from
> >> > > > > > > > /lib64/libc.so.6 #11 0x00000000004064d9 in
> >> > >
> >> > > ASN1_BIT_STRING_get_bit
> >> > >
> >> > > > > > > > ()
> >> > > > > > > > #12 0x00007fff7207a588 in ?? ()
> >> > > > > > > > #13 0x0000000000000000 in ?? ()
> >> > > > > > > >
> >> > > > > > > > Best Regards.
> >> > > > > > > >
> >> > > > > > > > On Sun, Oct 31, 2010 at 6:17 PM, Farrukh Ahmed <
> >> > >
> >> > >
address@hidden>
> >> > >
> >> > > > > > > wrote:
> >> > > > > > > > > Dear Ralf,
> >> > > > > > > > >
> >> > > > > > > > > I am using syslog logging for OpenVPN and which does not
> >> > > > > > > > > logged Radius Plugin Logs. Today i found that we again
> >> > > > > > > > > got crashed.
> >> > > > > > > > >
> >> > > > > > > > > FYI,
> >> > > > > > > > >
> >> > > > > > > > > #0 0x0000003f3f8c6240 in __read_nocancel () from
> >> > > > > > > > > /lib64/libc.so.6 #1 0x00002b27a7ebce6b in
> >> > > > > > > > > std::_Rb_tree<std::basic_string<char,
> >>
> >> std::char_traits<char>,
> >>
> >> > > > > > > > > std::allocator<char> >,
> >> > > > > > > > > std::pair<std::basic_string<char,
> >> > > > > > > > > std::char_traits<char>, std::allocator<char> > const,
> >> > > > > > > > > UserAcct>,
> >> > > > > > > > > std::_Select1st<std::pair<std::basic_string<char,
> >> > > > > > >
> >> > > > > > > std::char_traits<char>,
> >> > > > > > >
> >> > > > > > > > > std::allocator<char> > const, UserAcct> >,
> >> > > > > > > > > std::less<std::basic_string<char,
> >> > > > > > > > > std::char_traits<char>, std::allocator<char> > >,
> >> > > > > > > > > std::allocator<std::pair<std::basic_string<char,
> >> > > > > > >
> >> > > > > > > std::char_traits<char>,
> >> > > > > > >
> >> > > > > > > > > std::allocator<char> > const, UserAcct> >
> >> > > > > > > > >
> >> > > > > > > > > >::_M_insert(std::_Rb_tree_node_base*,
> >> > >
> >> > > std::_Rb_tree_node_base*,
> >> > >
> >> > > > > > > > > std::pair<std::basic_string<char,
> >> > > > > > > > > std::char_traits<char>, std::allocator<char> > const,
> >> > > > > > > > > UserAcct> const&) () from /etc/openvpn/radiusplugin.so
> >> > > > > > > > > #2 0x00002b27a7ec6c71 in
> >> > > > > > > > > AuthenticationProcess::Authentication(PluginContext*) ()
> >>
> >> from
> >>
> >> > > > > > > > > /etc/openvpn/radiusplugin.so
> >> > > > > > > > > #3 0x00002b27a7ec51fa in User::User(User const&) ()
> >> > > > > > > > > from /etc/openvpn/radiusplugin.so
> >> > > > > > > > > #4 0x0000000000441971 in ASN1_BIT_STRING_get_bit ()
> >> > > > > > > > > #5 0x0000000000415477 in ASN1_BIT_STRING_get_bit ()
> >> > > > > > > > > #6 0x000000000041834d in ASN1_BIT_STRING_get_bit ()
> >> > > > > > > > > #7 0x0000000000418b9d in ASN1_BIT_STRING_get_bit ()
> >> > > > > > > > > #8 0x0000000000426e07 in ASN1_BIT_STRING_get_bit ()
> >> > > > > > > > > #9 0x000000000042f203 in ASN1_BIT_STRING_get_bit ()
> >> > > > > > > > > #10 0x0000003f3f81d994 in __libc_start_main () from
> >> > > > >
> >> > > > > /lib64/libc.so.6
> >> > > > >
> >> > > > > > > > > #11 0x00000000004064d9 in ASN1_BIT_STRING_get_bit ()
> >> > > > > > > > > #12 0x00007fff46ebb6d8 in ?? ()
> >> > > > > > > > > #13 0x0000000000000000 in ?? ()
> >> > > > > > > > >
> >> > > > > > > > > I will try 2.1 and let you know if there will be no
> >> > > > > > > > > issue.
> >> > > > > > > > >
> >> > > > > > > > > Best Regards.
> >> > > > > > > > >
> >> > > > > > > > > On Sun, Oct 31, 2010 at 2:37 PM, Ralf Lübben <
> >> > >
> >> > >
address@hidden>
> >> > >
> >> > > > > > > wrote:
> >> > > > > > > > >> Hello,
> >> > > > > > > > >>
> >> > > > > > > > >> can you also try the version 2.1 from
> >> > > > > > > > >>
http://www.nongnu.org/radiusplugin/?
> >> > > > > > > > >>
> >> > > > > > > > >> The new beta mainly includes a "accounting only
> >> > > > > > > > >> feature"
> >>
> >> and
> >>
> >> > > > > > > > >> "non
> >> > > > > > >
> >> > > > > > > fatal
> >> > > > > > >
> >> > > > > > > > >> accouting" and bugfixes related to BSD.
> >> > > > > > > > >>
> >> > > > > > > > >> Some changes are in the function AccoutingProcess which
> >> > > > > > > > >> seems
> >> > >
> >> > > to
> >> > >
> >> > > > > > > crash,
> >> > > > > > >
> >> > > > > > > > >> to find
> >> > > > > > > > >> the code where the plugin crashes I would need the end
> >>
> >> (~100
> >>
> >> > > > > lines)
> >> > > > >
> >> > > > > > > > >> of the OpenVPN log file, maybe it gives a hint.
> >> > > > > > > > >>
> >> > > > > > > > >> Can you identify the event when the plugin crashes,
> >> > > > > > > > >> e.g.
> >>
> >> a
> >>
> >> > > user
> >> > >
> >> > > > > > > > >> connects, disconnects, etc?
> >> > > > > > > > >>
> >> > > > > > > > >> Regards,
> >> > > > > > > > >> Ralf
> >> > > > > > > > >>
> >> > > > > > > > >> Am Samstag, 30. Oktober 2010, um 14:03:49 schrieb
> >> > > > > > > > >> Farrukh
> >> > >
> >> > > Ahmed:
> >> > > > > > > > >> > Dear Ralf,
> >> > > > > > > > >> >
> >> > > > > > > > >> > can you provide me some more information:
> >> > > > > > > > >> > > - Which version of the plugin do you use?
> >> > > > > > > > >> >
> >> > > > > > > > >> > I have used this v2.1a_beta1 and from CVS head.
> >> > > > > > > > >> >
> >> > > > > > > > >> > > - Which operating system? Is it 64 bit os?
> >> > > > > > > > >> >
> >> > > > > > > > >> > Yes, its CentOS 64 bit os.
> >> > > > > > > > >> >
> >> > > > > > > > >> > > - The plugin configuration.
> >> > > > > > > > >> >
> >> > > > > > > > >> > NAS-Identifier=OpenVPN-NL-01
> >> > > > > > > > >> > Service-Type=5
> >> > > > > > > > >> > Framed-Protocol=1
> >> > > > > > > > >> > NAS-Port-Type=5
> >> > > > > > > > >> > NAS-IP-Address=83.170.87.238
> >> > > > > > > > >> > OpenVPNConfig=/etc/openvpn/server.conf
> >> > > > > > > > >> > subnet=255.255.255.0
> >> > > > > > > > >> > overwriteccfiles=false
> >> > > > > > > > >> >
> >> > > > > > > > >> > server
> >> > > > > > > > >> > {
> >> > > > > > > > >> >
> >> > > > > > > > >> > acctport=1813
> >> > > > > > > > >> > authport=1812
> >> > > > > > > > >> > name=83.170.87.238
> >> > > > > > > > >> > retry=1
> >> > > > > > > > >> > wait=1
> >> > > > > > > > >> > sharedsecret=testing123
> >> > > > > > > > >> >
> >> > > > > > > > >> > }
> >> > > > > > > > >> >
> >> > > > > > > > >> > > - And can you also increase the verbosity in
> >> > > > > > > > >> > > OpenVPN
> >>
> >> to
> >>
> >> > > > > > > > >> > > 7 and send me
> >> > > > > > > > >>
> >> > > > > > > > >> the
> >> > > > > > > > >>
> >> > > > > > > > >> > > OpenVPN log file? The plugin will write some debug
> >> > > > > > > > >> > > information to it.
> >> > > > > > > > >> >
> >> > > > > > > > >> > I have seen log file its very huge i can not send it
> >> > > > > > > > >> > to you
> >> > > > >
> >> > > > > right
> >> > > > >
> >> > > > > > > now.
> >> > > > > > >
> >> > > > > > > > >> > Best Regards.
> >> > > > > > > > >
> >> > > > > > > > > --
> >> > > > > > > > > Färrükh Ähmëd
> >
> > --
> > Färrükh Ähmëd