Your message dated Tue, 23 Jun 2009 14:12:24 -0500
with message-id <[email protected]>
and subject line Re: Bug#473010: fvwm: FVWM crashes when started in 
tightvncserver
has caused the Debian Bug report #473010,
regarding fvwm: FVWM crashes when started in tightvncserver
to be marked as done.

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Bug report if necessary, and/or fix the problem forthwith.

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-- 
473010: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=473010
Debian Bug Tracking System
Contact [email protected] with problems
--- Begin Message ---
Package: fvwm
Version: 1:2.5.25-1
Severity: normal

Hi,

while debugging another issue with FVWM in a tightvncserver instance, I came
accross a SIGSEGV of FVWM when starting. It happens to the 2.5.25 debian
package, but not the the latest CVS HEAD.

Here is the gdb bt of a self compiled apt-get source fvwm:

Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0xb7ba88c0 (LWP 23041)]
AddWindow (exc=0x889c2a8, ReuseWin=0x0, win_opts=0xbfbbd390)
    at add_window.c:842
842             if (format->type==PictTypeDirect &&
(gdb) bt
#0  AddWindow (exc=0x889c2a8, ReuseWin=0x0, win_opts=0xbfbbd390)
    at add_window.c:842
#1  0x0806d6db in HandleMapRequestKeepRaised (ea=0xbfbbd424, KeepRaised=0, 
    ReuseWin=0x0, win_opts=0xbfbbd390) at events.c:2943
#2  0x0806da40 in HandleMapRequest (ea=0x0) at events.c:2866
#3  0x0806bf7e in dispatch_event (e=0xbfbbd454) at events.c:4041
#4  0x0806c68f in HandleEvents () at events.c:4084
#5  0x0808ceaf in main (argc=1, argv=0xbfbbdf04) at fvwm.c:2570

I hope someone can tell me why this happens.

thanks
Philipp

-- System Information:
Debian Release: lenny/sid
  APT prefers unstable
  APT policy: (500, 'unstable')
Architecture: i386 (i686)

Kernel: Linux 2.6.24-1-686-bigmem (SMP w/4 CPU cores)
Locale: LANG=C, LC_CTYPE=C (charmap=ANSI_X3.4-1968)
Shell: /bin/sh linked to /bin/bash

Versions of packages fvwm depends on:
ii  libc6                  2.7-9             GNU C Library: Shared libraries
ii  libcairo2              1.4.14-1          The Cairo 2D vector graphics libra
ii  libfontconfig1         2.5.0-2           generic font configuration library
ii  libfreetype6           2.3.5-1+b1        FreeType 2 font engine, shared lib
ii  libfribidi0            0.10.9-1          Free Implementation of the Unicode
ii  libglib1.2ldbl         1.2.10-19         The GLib library of C routines
ii  libglib2.0-0           2.16.1-2          The GLib library of C routines
ii  libgtk1.2              1.2.10-18.1       The GIMP Toolkit set of widgets fo
ii  libgtk2.0-0            2.12.9-2          The GTK+ graphical user interface 
ii  libice6                2:1.0.4-1         X11 Inter-Client Exchange library
ii  libncurses5            5.6+20080308-1    Shared libraries for terminal hand
ii  libpng12-0             1.2.15~beta5-3    PNG library - runtime
ii  libreadline5           5.2-3             GNU readline and history libraries
ii  librplay3              3.3.2-11          Shared libraries for the rplay net
ii  librsvg2-2             2.22.2-2          SAX-based renderer library for SVG
ii  libsm6                 2:1.0.3-1+b1      X11 Session Management library
ii  libstroke0             0.5.1-6           mouse strokes library -- runtime f
ii  libx11-6               2:1.0.3-7         X11 client-side library
ii  libxcursor1            1:1.1.9-1         X cursor management library
ii  libxext6               2:1.0.4-1         X11 miscellaneous extension librar
ii  libxft2                2.1.12-2          FreeType-based font drawing librar
ii  libxi6                 2:1.1.3-1         X11 Input extension library
ii  libxinerama1           2:1.0.3-1         X11 Xinerama extension library
ii  libxpm4                1:3.5.7-1         X11 pixmap library
ii  libxrender1            1:0.9.4-1         X Rendering Extension client libra
ii  zlib1g                 1:1.2.3.3.dfsg-11 compression library - runtime

Versions of packages fvwm recommends:
ii  fvwm-icons                  2001.08.13-6 XPMs icons from fvwm development s

-- debconf information:
* fvwm/upgrade/pre_2.5.8: true



--- End Message ---
--- Begin Message ---
Hi,

        This as been fixed since FVWM 2.5.26.

Thomas Adam said:
> Since you asked, the reason it crashed was because format == NULL, and
> as you might realise, you can't dereference NULL; that will cause a
> SEGFAULT.

        manoj
-- 
Just about every computer on the market today runs Unix, except the Mac
(and nobody cares about it).  -- Bill Joy 6/21/85
Manoj Srivastava <[email protected]> <http://www.golden-gryphon.com/>  
1024D/BF24424C print 4966 F272 D093 B493 410B  924B 21BA DABB BF24 424C


--- End Message ---

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