Package: guacd
Version: 0.8.3-1+b2
Severity: normal
Dear Maintainer,
when trying to start a RDP session, guacd crashes with the following segfault:
guacd[<pid>]: segfault at 0 ip (null) sp 0000xxxxxxxxxxxx error 14 in
guacd[400000+5000]
* What led up to the situation?
I tried to connect to a RDP session.
* What exactly did you do (or not do) that was effective (or
ineffective)?
I added a minimal RDP configuration in an already existing (and working)
<authorize>-Block:
<connection name="Windows-Box">
<protocol>rdp</protocol>
<param name="hostname">192.168.1.200</param>
</connection>
Then I restarted guacd.
* What was the outcome of this action?
On the screen:
"Connected, waiting for first update...", then
"Connection closed"
In syslog:
guacd[<pid>]: segfault at 0 ip (null) sp 0000xxxxxxxxxxxx error 14 in
guacd[400000+5000]
I have 2 amd64 machines. The hardware is completely different, but both show
this behaviour.
gdb shows this:
$ gdb /usr/sbin/guacd
GNU gdb (Debian 7.7.1+dfsg-5) 7.7.1
Copyright (C) 2014 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
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and "show warranty" for details.
This GDB was configured as "x86_64-linux-gnu".
Type "show configuration" for configuration details.
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>.
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For help, type "help".
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Reading symbols from /usr/sbin/guacd...(no debugging symbols found)...done.
(gdb) set follow-fork-mode child
(gdb) run
Starting program: /usr/sbin/guacd
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
guacd[4403]: INFO: Guacamole proxy daemon (guacd) version 0.8.3
guacd[4403]: INFO: Successfully bound socket to host 127.0.0.1, port 4822
[New process 4407]
guacd[4403]: INFO: Exiting and passing control to PID 4407
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[New process 4408]
guacd[4407]: INFO: Exiting and passing control to PID 4408
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[New process 4436]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[tcsetpgrp failed in terminal_inferior: Kein passender Prozess gefunden]
[New Thread 0x7fffef857700 (LWP 4437)]
[New Thread 0x7fffef056700 (LWP 4438)]
[New Thread 0x7fffee1e5700 (LWP 4439)]
[New Thread 0x7fffed9e4700 (LWP 4440)]
Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0x7fffee1e5700 (LWP 4439)]
0x0000000000000000 in ?? ()
(gdb) bt
#0 0x0000000000000000 in ?? ()
#1 0x00007ffff38be32b in ?? () from
/usr/lib/x86_64-linux-gnu/libfreerdp-core.so.1.1
#2 0x00007ffff38be6a3 in fastpath_recv_updates () from
/usr/lib/x86_64-linux-gnu/libfreerdp-core.so.1.1
#3 0x00007ffff38bd44c in ?? () from
/usr/lib/x86_64-linux-gnu/libfreerdp-core.so.1.1
#4 0x00007ffff38c090f in transport_check_fds () from
/usr/lib/x86_64-linux-gnu/libfreerdp-core.so.1.1
#5 0x00007ffff38b0fa7 in freerdp_check_fds () from
/usr/lib/x86_64-linux-gnu/libfreerdp-core.so.1.1
#6 0x00007ffff3cffebd in rdp_guac_client_handle_messages () from
/usr/lib/x86_64-linux-gnu/libguac-client-rdp.so
#7 0x0000000000402be7 in ?? ()
#8 0x00007ffff7bc70a4 in start_thread () from
/lib/x86_64-linux-gnu/libpthread.so.0
#9 0x00007ffff748d04d in clone () from /lib/x86_64-linux-gnu/libc.so.6
(gdb)
* What outcome did you expect instead?
I expected the RDP session to start.
Please let me know if I can help.
Thanks,
Sven
-- System Information:
Debian Release: 8.1
APT prefers stable-updates
APT policy: (500, 'stable-updates'), (500, 'stable')
Architecture: amd64 (x86_64)
Foreign Architectures: i386
Kernel: Linux 3.16.0-4-amd64 (SMP w/4 CPU cores)
Locale: LANG=de_DE.UTF-8, LC_CTYPE=de_DE.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: sysvinit (via /sbin/init)
Versions of packages guacd depends on:
ii libc6 2.19-18
ii libguac5 0.8.3-1+b2
ii libssl1.0.0 1.0.1k-3+deb8u1
ii lsb-base 4.1+Debian13+nmu1
guacd recommends no packages.
guacd suggests no packages.
-- no debconf information
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