[Freeciv-Dev] Re: civserver crash (PR#1005)

[Raimar Falke <hawk@xxxxxxxxxxxxxxxxxxxxxxx>]

On Thu, Oct 11, 2001 at 03:13:16PM -0700, jdorje@xxxxxxxxxxxxxxxxxxxxx wrote:
> I had patched civclient slightly, but nothing outside of the client/
> directory was changed.  civserver crashed upon game start.  Could be
> that the client sent some bad information to the server, but this
> shouldn't cause a server crash.  It appears to be reproducable, with or
> without the modifications to the client.
> 
> 
> 
> [jshort@jason freeciv]$ ./civ -t engels & ./ser -p 5556
> [2] 15148
> This is the server for Freeciv version 1.12.1-devel
> You can learn a lot about Freeciv at http://www.freeciv.org/
> 2: Now accepting new client connections.
> 
> For introductory help, type 'help'.
> > 
> 2: Connection request from jshort from localhost.localdomain
> 2: jshort has client version 1.12.1-devel
> 2: jshort has joined as player jshort.
> > set aifill 2
> Option: aifill has been set to 2.
> > hard
> Setting game.skill_level to 7.
> > aitoggle jshort
> jshort is now under AI control.
> jshort is now hard.
> > start
> Starting game.
> 2: Loading rulesets
> 2: AI is controlling the Irish ruled by jshort.
> 2: Tancredo Neves has been added as an AI-controlled player.
> 2: AI is controlling the Brazilians ruled by Tancredo Neves.
> Tancredo Neves is now hard.
> [1]   Done                    xemacs topology/therest.diff
> Segmentation fault (core dumped)
> [jshort@jason freeciv]$ 2: lost connection to server

I can't reproduce this.

> [jshort@jason freeciv]$ gdb server/civserver core
> GNU gdb 5.0rh-5 Red Hat Linux 7.1
> Copyright 2001 Free Software Foundation, Inc.
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> There is absolutely no warranty for GDB.  Type "show warranty" for
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> This GDB was configured as "i386-redhat-linux"...
> Core was generated by `./server/civserver -p 5556'.
> Program terminated with signal 11, Segmentation fault.
> Reading symbols from /lib/i686/libm.so.6...done.
> Loaded symbols for /lib/i686/libm.so.6
> Reading symbols from /usr/lib/libz.so.1...done.
> Loaded symbols for /usr/lib/libz.so.1
> Reading symbols from /lib/i686/libc.so.6...done.
> Loaded symbols for /lib/i686/libc.so.6
> Reading symbols from /lib/ld-linux.so.2...done.
> Loaded symbols for /lib/ld-linux.so.2
> Reading symbols from /lib/libnss_files.so.2...done.
> Loaded symbols for /lib/libnss_files.so.2
> #0  0x08070837 in map_get_known_and_seen (x=12, y=15, pplayer=0x812845c)
> at maphand.c:780
> 780     return ((map.tiles + offset)->known) & (1u << playerid) &&
> (gdb) bt
> #0  0x08070837 in map_get_known_and_seen (x=12, y=15, pplayer=0x812845c)
> at maphand.c:780
> #1  0x080704ed in really_show_area (pplayer=0x812845c, x=12, y=15) at
> maphand.c:700
> #2  0x080706f3 in show_area (pplayer=0x812845c, x=13, y=16, len=1) at
> maphand.c:745
> #3  0x080670b1 in init_new_game () at gamehand.c:136
> #4  0x0804ef52 in srv_main () at srv_main.c:1963
> #5  0x08049b79 in main (argc=3, argv=0xbffff954) at civserver.c:147
> #6  0x40076177 in __libc_start_main (main=0x8049660 <main>, argc=3,
> ubp_av=0xbffff954, init=0x8049060 <_init>, fini=0x80b33b0 <_fini>,
> rtld_fini=0x4000e184 <_dl_fini>, stack_end=0xbffff94c)
>     at ../sysdeps/generic/libc-start.c:129
> (gdb) quit

Can you give extra information? For example the offset would be
interesting.

        Raimar

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