[Bug 402219] New: Xvnc crashes on client connect
https://bugzilla.novell.com/show_bug.cgi?id=402219 User f+novell@congenio.de added comment https://bugzilla.novell.com/show_bug.cgi?id=402219#c358865 Summary: Xvnc crashes on client connect Product: openSUSE 11.0 Version: Final Platform: i386 OS/Version: openSUSE 11.0 Status: NEW Severity: Major Priority: P5 - None Component: X.Org AssignedTo: sndirsch@novell.com ReportedBy: f+novell@congenio.de QAContact: xorg-maintainer-bugs@forge.provo.novell.com Found By: Customer This bug seems similar to #358865. I am using Tightvnc (tried both 1.29 and 1.39) under WinXP to connect to an Xvnc instance started with: /usr/bin/Xvnc :42 -geometry 1024x768 -query localhost When I connect, Xvnc immediately terminates with these messages: _XSERVTransSocketOpenCOTSServer: Unable to open socket for inet6 _XSERVTransOpen: transport open failed for inet6/blob:42 _XSERVTransMakeAllCOTSServerListeners: failed to open listener for inet6 XDMCP warning: INET6 UDP socket creation failed 20/06/2008 18:47:09 Xvnc version X.org/xf4vnc custom version 20/06/2008 18:47:09 Copyright (C) 2001-2004 Alan Hourihane. 20/06/2008 18:47:09 Copyright (C) 2000-2004 Constantin Kaplinsky 20/06/2008 18:47:09 Copyright (C) 1999 AT&T Laboratories Cambridge 20/06/2008 18:47:09 All Rights Reserved. 20/06/2008 18:47:09 See http://www.tightvnc.com/ for information on TightVNC 20/06/2008 18:47:09 See http://xf4vnc.sf.net for xf4vnc-specific information 20/06/2008 18:47:09 Desktop name 'x11' (blob:42) 20/06/2008 18:47:09 Protocol versions supported: 3.7, 3.3 20/06/2008 18:47:09 Listening for VNC connections on TCP port 5942 Could not init font path element /usr/share/fonts/TTF/, removing from list! Could not init font path element /usr/share/fonts/OTF, removing from list! 20/06/2008 18:47:48 20/06/2008 18:47:48 Got VNC connection from client 192.168.10.97 20/06/2008 18:47:48 Using protocol version 3.7 20/06/2008 18:47:48 Enabling TightVNC protocol extensions 20/06/2008 18:47:48 Pixel format for client 192.168.10.97: 20/06/2008 18:47:48 8 bpp, depth 8 20/06/2008 18:47:48 true colour: max r 7 g 7 b 3, shift r 0 g 3 b 6 20/06/2008 18:47:48 no translation needed 20/06/2008 18:47:48 Using hextile encoding for client 192.168.10.97 20/06/2008 18:47:48 rfbProcessClientNormalMessage: ignoring unknown encoding 8 20/06/2008 18:47:48 Enabling X-style cursor updates for client 192.168.10.97 20/06/2008 18:47:48 Enabling cursor position updates for client 192.168.10.97 20/06/2008 18:47:48 Using image quality level 6 for client 192.168.10.97 20/06/2008 18:47:48 Enabling LastRect protocol extension for client 192.168.10.97 20/06/2008 18:47:48 rfbProcessClientNormalMessage: ignoring unknown encoding -223 *** glibc detected *** /usr/bin/Xvnc: free(): invalid next size (fast): 0x084a6690 *** ======= Backtrace: ========= /lib/libc.so.6[0xb7c5ffc4] /lib/libc.so.6(cfree+0x9c)[0xb7c6195c] /usr/bin/Xvnc[0x8089658] /usr/bin/Xvnc(rfbSendRectEncodingHextile+0x13f)[0x808af6f] /usr/bin/Xvnc(rfbSendFramebufferUpdate+0x796)[0x808fd76] /usr/bin/Xvnc(rfbProcessClientMessage+0x592)[0x8091892] /usr/bin/Xvnc(rfbCheckFds+0x150)[0x8098c50] /usr/bin/Xvnc[0x808cf50] /usr/bin/Xvnc(WakeupHandler+0x98)[0x80b6338] /usr/bin/Xvnc(WaitForSomething+0x1ab)[0x8389f5b] /usr/bin/Xvnc(Dispatch+0x8e)[0x80b207e] /usr/bin/Xvnc(main+0x4b5)[0x80c6005] /lib/libc.so.6(__libc_start_main+0xe5)[0xb7c0a5f5] /usr/bin/Xvnc[0x807fea1] Disabling GLIBC checking via MALLOC_CHECK_=0 does not solve the problem. When i set that, there is a segmentation fault instead of the glibc message. This worked with openSUSE 10.3, where Xvnc seems to be another version: _XSERVTransSocketOpenCOTSServer: Unable to open socket for inet6 _XSERVTransOpen: transport open failed for inet6/blob:42 _XSERVTransMakeAllCOTSServerListeners: failed to open listener for inet6 XDMCP warning: INET6 UDP socket creation failed Xvnc Free Edition 4.1.2 Copyright (C) 2002-2005 RealVNC Ltd. See http://www.realvnc.com for information on VNC. Underlying X server release 70100000, The X.Org Foundation -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.
https://bugzilla.novell.com/show_bug.cgi?id=402219
User sndirsch@novell.com added comment
https://bugzilla.novell.com/show_bug.cgi?id=402219#c1
Stefan Dirsch
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