[Freeciv-Dev] (PR#14188) Crash in hash or tileset code

["Guest" <rt-guest@xxxxxxxxxxx>]

<URL: http://bugs.freeciv.org/Ticket/Display.html?id=14188 >

> [jdorje - Mar. Oct. 04 23:08:29 2005]:
> 
> sprite_hash must be allocated by the time tiles are loaded.
> 
> Ignoring tilespec_reread, sprite_hash is:
> 
> - NULL on program start.
> - Allocated in tilespec_read_toplevel, iff the function returns TRUE.
>   * Called from main.
> - Used in tilespec_load_tiles.
>   * Called from ui_main.
>     * Called from main, after tilespec_read_toplevel is called.
> - Deallocated in tilespec_free_tiles.
>   * Called from ui_main, only on program exit.
> 
> The most likely error you'd think would be a problem in
> tilespec_read_toplevel allowing it to return TRUE without allocating the
> sprite hash.  But this doesn't seem to happen.  I can find no flaw in
> the logic of the code.  Of course it's possible there's a buffer overrun
> or something.
> 
> To the original reporter: can you get a backtrace?  On linux run:
> 
>   > ulimit -c unlimited
>   > civclient
>   > gdb civclient core
>   gdb> bt full
> 
> and send the output.  (Lines 2 or 3 may differ slightly if your client
> is in a different place or if the crash leaves a file called core.3455
> or something).
> 
> -jason
> 

Hi, I  re-compile the client with the -g option.

aymeric@veckman ~ $ ulimit
unlimited
aymeric@veckman ~ $ civclient
civclient: tilespec.c:1227: tilespec_lookup_sprite_tags:  l'assertion «
sprite_hash != ((void *)0) » a échoué.
Abandon (core dumped)
aymeric@veckman ~ $ gdb civclient core.21918
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This GDB was configured as "powerpc-unknown-linux-gnu"...
(no debugging symbols found)...
Core was generated by `civclient'.
Program terminated with signal 6, Aborted.
Reading symbols from /usr/lib/libgtk-x11-2.0.so.0...
(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libgtk-x11-2.0.so.0
Reading symbols from /usr/lib/libgdk-x11-2.0.so.0...
(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libgdk-x11-2.0.so.0
Reading symbols from /usr/lib/libatk-1.0.so.0...(no debugging symbols
found)...
done.
Loaded symbols for /usr/lib/libatk-1.0.so.0
Reading symbols from /usr/lib/libgdk_pixbuf-2.0.so.0...
(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libgdk_pixbuf-2.0.so.0
Reading symbols from /lib/libm.so.6...(no debugging symbols found)...done.
Loaded symbols for /lib/libm.so.6
Reading symbols from /usr/lib/libpangoxft-1.0.so.0...
(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libpangoxft-1.0.so.0
Reading symbols from /usr/lib/libpangox-1.0.so.0...
(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libpangox-1.0.so.0
---Type <return> to continue, or q <return> to quit---
Reading symbols from /usr/lib/libpango-1.0.so.0...
(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libpango-1.0.so.0
Reading symbols from /usr/lib/libgobject-2.0.so.0...
(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libgobject-2.0.so.0
Reading symbols from /usr/lib/libgmodule-2.0.so.0...
(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libgmodule-2.0.so.0
Reading symbols from /lib/libdl.so.2...(no debugging symbols found)...done.
Loaded symbols for /lib/libdl.so.2
Reading symbols from /usr/lib/libglib-2.0.so.0...
(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libglib-2.0.so.0
Reading symbols from /usr/lib/libSDL-1.2.so.0...(no debugging symbols
found)...
done.
Loaded symbols for /usr/lib/libSDL-1.2.so.0
Reading symbols from /lib/libpthread.so.0...done.
Loaded symbols for /lib/libpthread.so.0
Reading symbols from /usr/lib/libSDL_mixer-1.2.so.0...done.
Loaded symbols for /usr/lib/libSDL_mixer-1.2.so.0
Reading symbols from /usr/lib/libaudiofile.so.0...done.
Loaded symbols for /usr/lib/libaudiofile.so.0
Reading symbols from /usr/lib/libasound.so.2...done.
Loaded symbols for /usr/lib/libasound.so.2
Reading symbols from /lib/libz.so.1...done.
Loaded symbols for /lib/libz.so.1
Reading symbols from /lib/libc.so.6...done.
Loaded symbols for /lib/libc.so.6
Reading symbols from /usr/lib/libX11.so.6...done.
Loaded symbols for /usr/lib/libX11.so.6
Reading symbols from /usr/lib/libXrandr.so.2...done.
Loaded symbols for /usr/lib/libXrandr.so.2
Reading symbols from /usr/lib/libXi.so.6...done.
Loaded symbols for /usr/lib/libXi.so.6
Reading symbols from /usr/lib/libXinerama.so.1...done.
Loaded symbols for /usr/lib/libXinerama.so.1
Reading symbols from /usr/lib/libXft.so.2...done.
Loaded symbols for /usr/lib/libXft.so.2
Reading symbols from /usr/lib/libfreetype.so.6...done.
Loaded symbols for /usr/lib/libfreetype.so.6
---Type <return> to continue, or q <return> to quit---
Reading symbols from /usr/lib/libfontconfig.so.1...done.
Loaded symbols for /usr/lib/libfontconfig.so.1
Reading symbols from /usr/lib/libXfixes.so.3...done.
Loaded symbols for /usr/lib/libXfixes.so.3
Reading symbols from /usr/lib/libXcursor.so.1...done.
Loaded symbols for /usr/lib/libXcursor.so.1
Reading symbols from /usr/lib/libXrender.so.1...done.
Loaded symbols for /usr/lib/libXrender.so.1
Reading symbols from /usr/lib/libXext.so.6...done.
Loaded symbols for /usr/lib/libXext.so.6
Reading symbols from /lib/ld.so.1...done.
Loaded symbols for /lib/ld.so.1
Reading symbols from /usr/lib/libpangoft2-1.0.so.0...done.
Loaded symbols for /usr/lib/libpangoft2-1.0.so.0
Reading symbols from /usr/lib/libdirectfb-0.9.so.20...done.
Loaded symbols for /usr/lib/libdirectfb-0.9.so.20
Reading symbols from
/usr/lib/gcc/powerpc-unknown-linux-gnu/3.4.4/libstdc++.so.6...done.
Loaded symbols for
/usr/lib/gcc/powerpc-unknown-linux-gnu/3.4.4/libstdc++.so.6
Reading symbols from
/usr/lib/gcc/powerpc-unknown-linux-gnu/3.4.4/libgcc_s.so.1...done.
Loaded symbols for
/usr/lib/gcc/powerpc-unknown-linux-gnu/3.4.4/libgcc_s.so.1
Reading symbols from /usr/lib/libaa.so.1...done.
Loaded symbols for /usr/lib/libaa.so.1
Reading symbols from /usr/lib/libvorbisfile.so.3...done.
Loaded symbols for /usr/lib/libvorbisfile.so.3
Reading symbols from /usr/lib/libvorbis.so.0...done.
Loaded symbols for /usr/lib/libvorbis.so.0
Reading symbols from /usr/lib/libogg.so.0...done.
Loaded symbols for /usr/lib/libogg.so.0
Reading symbols from /usr/lib/libsmpeg-0.4.so.0...done.
Loaded symbols for /usr/lib/libsmpeg-0.4.so.0
Reading symbols from /usr/lib/libexpat.so.0...done.
Loaded symbols for /usr/lib/libexpat.so.0
Reading symbols from /usr/lib/libstdc++-v3/libstdc++.so.5...done.
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Reading symbols from /usr/lib/libslang.so.1...done.
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Reading symbols from /usr/lib/gconv/ISO8859-1.so...done.
Loaded symbols for /usr/lib/gconv/ISO8859-1.so
Reading symbols from /usr/lib/X11/locale/lib/common/xlcUTF8Load.so.2...done.
Loaded symbols for /usr/lib/X11/locale/lib/common/xlcUTF8Load.so.2
---Type <return> to continue, or q <return> to quit---
Reading symbols from /lib/libnss_compat.so.2...done.
Loaded symbols for /lib/libnss_compat.so.2
Reading symbols from /lib/libnsl.so.1...done.
Loaded symbols for /lib/libnsl.so.1
Reading symbols from /lib/libnss_nis.so.2...done.
Loaded symbols for /lib/libnss_nis.so.2
Reading symbols from /lib/libnss_files.so.2...done.
Loaded symbols for /lib/libnss_files.so.2
Reading symbols from /usr/lib/gtk-2.0/2.4.0/engines/libpixmap.so...done.
Loaded symbols for /usr/lib/gtk-2.0/2.4.0/engines/libpixmap.so
Reading symbols from
/usr/lib/gtk-2.0/2.4.0/loaders/libpixbufloader-png.so...
done.
Loaded symbols for /usr/lib/gtk-2.0/2.4.0/loaders/libpixbufloader-png.so
Reading symbols from /usr/lib/libpng12.so.0...done.
Loaded symbols for /usr/lib/libpng12.so.0
#0  0x0f506048 in raise () from /lib/libc.so.6
(gdb) bt full
#0  0x0f506048 in raise () from /lib/libc.so.6
No symbol table info available.
#1  0x0f507a78 in abort () from /lib/libc.so.6
No symbol table info available.
#2  0x0f4fecc0 in __assert_fail () from /lib/libc.so.6
No symbol table info available.
#3  0x1003a67c in _init ()
No symbol table info available.
#4  0x100c076c in _init ()
No symbol table info available.
#5  0x1000fa54 in _init ()
No symbol table info available.
#6  0x0f4f08a4 in __libc_init_first () from /lib/libc.so.6
No symbol table info available.
#7  0x0f4f09ec in __libc_start_main () from /lib/libc.so.6
No symbol table info available.
(gdb)