marking as triaged, putting debugging info into the description, and setting to "high" importance:
Has a severe impact on a small portion of Ubuntu users (estimated) Has a moderate impact on a large portion of Ubuntu users (estimated) And this is a regression, adding tag "regression-release" ** Description changed: Binary package hint: vino - vino-server will no longer work for me - it crashes within 3 seconds of - starting it. I had been using it in 10.04 without issue and configured - through vino-preferences. apport does not intercept this crash either - so i did a manual backtrace with gdb: + When starting vino-server, the following messages appear: + + $ /usr/lib/vino/vino-server + 14/10/2010 07:47:39 PM Autoprobing TCP port in (all) network interface + 14/10/2010 07:47:39 PM Listening IPv6://[::]:5900 + 14/10/2010 07:47:39 PM Listening IPv4://0.0.0.0:5900 + 14/10/2010 07:47:39 PM Autoprobing selected port 5900 + 14/10/2010 07:47:39 PM Advertising security type: 'TLS' (18) + 14/10/2010 07:47:39 PM Advertising authentication type: 'VNC Authentication' (2) + 14/10/2010 07:47:39 PM Advertising security type: 'VNC Authentication' (2) + ** Message: Received signal 11, exiting... - m...@rounder:~$ gdb /usr/lib/vino/vino-server - GNU gdb (GDB) 7.2-ubuntu - Copyright (C) 2010 Free Software Foundation, Inc. - License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html> - This is free software: you are free to change and redistribute it. - There is NO WARRANTY, to the extent permitted by law. Type "show copying" - and "show warranty" for details. - This GDB was configured as "i686-linux-gnu". - For bug reporting instructions, please see: - <http://www.gnu.org/software/gdb/bugs/>... - Reading symbols from /usr/lib/vino/vino-server...(no debugging symbols found)...done. - (gdb) start - Function "main" not defined. - Make breakpoint pending on future shared library load? (y or [n]) + The packaged worked in 10.04, but 10.10 appears to be buggy. - Starting program: /usr/lib/vino/vino-server - [Thread debugging using libthread_db enabled] - [New Thread 0xb7ddab70 (LWP 12058)] - 30/09/2010 07:31:23 AM Autoprobing TCP port in (all) network interface - 30/09/2010 07:31:23 AM Listening IPv6://[::]:5900 - 30/09/2010 07:31:23 AM Listening IPv4://0.0.0.0:5900 - 30/09/2010 07:31:23 AM Problems in NewSocketListenTCP() - 30/09/2010 07:31:23 AM Listening IPv6://[::]:5901 - 30/09/2010 07:31:23 AM Listening IPv4://0.0.0.0:5901 - 30/09/2010 07:31:23 AM Autoprobing selected port 5901 - 30/09/2010 07:31:23 AM Advertising security type: 'TLS' (18) - 30/09/2010 07:31:23 AM Advertising authentication type: 'VNC Authentication' (2) - 30/09/2010 07:31:23 AM Advertising security type: 'VNC Authentication' (2) + valgrind yields: - Program received signal SIGSEGV, Segmentation fault. - 0x00c81370 in __nss_hostname_digits_dots () from /lib/libc.so.6 - (gdb) bt - #0 0x00c81370 in __nss_hostname_digits_dots () from /lib/libc.so.6 - #1 0x00c85cca in gethostbyname () from /lib/libc.so.6 - #2 0x0807a5c2 in ?? () - #3 0x0807a9b1 in ?? () - #4 0x08079c53 in ?? () - #5 0x0805ce1d in ?? () - #6 0x0805d0b7 in ?? () - #7 0x08056d63 in ?? () - #8 0x08058208 in ?? () - #9 0x00a686f5 in ?? () from /usr/lib/libgobject-2.0.so.0 - #10 0x00a669fa in g_object_newv () from /usr/lib/libgobject-2.0.so.0 - #11 0x00a6755c in g_object_new_valist () from /usr/lib/libgobject-2.0.so.0 - #12 0x00a67677 in g_object_new () from /usr/lib/libgobject-2.0.so.0 - #13 0x08055dbf in ?? () - #14 0x08054557 in ?? () - #15 0x00bb4ce7 in __libc_start_main () from /lib/libc.so.6 - #16 0x08050bb1 in ?? () + ==5334== Invalid read of size 1 + ==5334== at 0x4B47370: __nss_hostname_digits_dots (digits_dots.c:58) + ==5334== by 0x4B4BCC9: gethostbyname (getXXbyYY.c:109) + ==5334== by 0x807A5C1: miniwget2 (miniwget.c:45) + ==5334== by 0x807A9B0: miniwget_getaddr (miniwget.c:223) + ==5334== by 0x8079C52: UPNP_GetValidIGD (miniupnpc.c:676) + ==5334== by 0x805CE1C: update_upnp_status (vino-upnp.c:96) + ==5334== by 0x805D0B6: vino_upnp_add_port (vino-upnp.c:229) + ==5334== by 0x8056D62: vino_server_control_upnp (vino-server.c:254) + ==5334== by 0x8058207: vino_server_set_use_upnp (vino-server.c:275) + ==5334== by 0x4930994: ??? (in /usr/lib/libgobject-2.0.so.0.2600.0) + ==5334== by 0x492E869: g_object_newv (in /usr/lib/libgobject-2.0.so.0.2600.0) + ==5334== by 0x492F3CB: g_object_new_valist (in /usr/lib/libgobject-2.0.so.0.2600.0) + ==5334== by 0x492F4E6: g_object_new (in /usr/lib/libgobject-2.0.so.0.2600.0) + ==5334== by 0x8055DBE: vino_prefs_create_server (vino-prefs.c:517) + ==5334== by 0x8054556: main (vino-main.c:117) + ==5334== Address 0x0 is not stack'd, malloc'd or (recently) free'd - not sure where to get any more debugging symbols from. Since this is somehow related to hostnames lemme just quote my /etc/hosts here: + gdb yields: + Thread 1 (Thread 0xb7fdba70 (LWP 5169)): + #0 0x00c34370 in __nss_hostname_digits_dots () from /lib/libc.so.6 + #1 0x00c38cca in gethostbyname () from /lib/libc.so.6 + #2 0x0807a5c2 in miniwget2 (url=<value optimized out>, host=0x0, port=2555, path=0x811f18b "/upnp/6c352473-8521-319e-8757-639e9dca9979/desc.xml", size=0xbfffefac, addr_str=0x80c0c58 "", addr_str_len=16) at miniwget.c:45 + #3 0x0807a9b1 in miniwget_getaddr (url=0x811f174 "http://192.168.1.1:2555/upnp/6c352473-8521-319e-8757-639e9dca9979/desc.xml";, size=0xbfffefac, addr=0x80c0c58 "", addrlen=16) at miniwget.c:223 + #4 0x08079c53 in UPNP_GetValidIGD (devlist=0x811f168, urls=0x81104a8, data=0x811f1f8, lanaddr=0x80c0c58 "", lanaddrlen=16) at miniupnpc.c:676 + #5 0x0805ce1d in update_upnp_status (upnp=0x80c0c40) at vino-upnp.c:96 + #6 0x0805d0b7 in vino_upnp_add_port (upnp=0x80c0c40, port=5900) at vino-upnp.c:229 + #7 0x08056d63 in vino_server_control_upnp (server=0x8108600) at vino-server.c:254 + #8 0x08058208 in vino_server_set_use_upnp (server=0x8108600, use_upnp=1) at vino-server.c:275 + #9 0x00a1d995 in ?? () from /usr/lib/libgobject-2.0.so.0 + #10 0x00a1b86a in g_object_newv () from /usr/lib/libgobject-2.0.so.0 + #11 0x00a1c3cc in g_object_new_valist () from /usr/lib/libgobject-2.0.so.0 + #12 0x00a1c4e7 in g_object_new () from /usr/lib/libgobject-2.0.so.0 + #13 0x08055dbf in vino_prefs_create_server (screen=0x80be0c8) at vino-prefs.c:517 + #14 0x08054557 in main (argc=1, argv=0xbffff4a4) at vino-main.c:117 - m...@rounder:~$ cat /etc/hosts - 192.168.1.3 rounder # Added by NetworkManager - 127.0.0.1 localhost.localdomain localhost - ::1 rounder localhost6.localdomain6 localhost6 - 127.0.1.1 rounder + the appearance of upnp functions, and the fact the bug disappears when + upnp is disabled at the router, points to a UPnP bug in vino-server. - # The following lines are desirable for IPv6 capable hosts - ::1 localhost ip6-localhost ip6-loopback - fe00::0 ip6-localnet - ff00::0 ip6-mcastprefix - ff02::1 ip6-allnodes - ff02::2 ip6-allrouters - ff02::3 ip6-allhosts - - - Further information: - - m...@rounder:~$ lsb_release -rd - Description: Ubuntu maverick (development branch) - Release: 10.10 - - - m...@rounder:~$ apt-cache policy vino - vino: - Installed: 2.31.91-0ubuntu2 - Candidate: 2.31.91-0ubuntu2 - Version table: - *** 2.31.91-0ubuntu2 0 - 500 http://us.archive.ubuntu.com/ubuntu/ maverick/main i386 Packages - 100 /var/lib/dpkg/status ProblemType: Bug DistroRelease: Ubuntu 10.10 Package: vino 2.31.91-0ubuntu2 ProcVersionSignature: Ubuntu 2.6.35-22.33-generic 2.6.35.4 Uname: Linux 2.6.35-22-generic i686 Architecture: i386 Date: Fri Oct 1 08:28:54 2010 InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Alpha i386 (20100602.2) ProcEnviron: - LANG=en_US.utf8 - SHELL=/bin/bash + LANG=en_US.utf8 + SHELL=/bin/bash SourcePackage: vino ** Changed in: vino (Ubuntu) Status: Confirmed => Triaged ** Changed in: vino (Ubuntu) Importance: Undecided => High ** Tags added: amd64 regression-release -- vino-server won't start (SIGSEGV) when UPnP is enabled https://bugs.launchpad.net/bugs/652961 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
