[Freeciv-Dev] (PR#13595) pubserver crash: MAP_NCONT is overrun
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<URL: http://bugs.freeciv.org/Ticket/Display.html?id=13595 >
(gdb) p map.num_continents
$1 = 600
the assertion triggers because there are more than 600 continents! This
patch changes the max to be 1024. However the settings that created
this bizarre map should be investigated.
-jason
-------- Original Message --------
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Date: Tue, 2 Aug 2005 17:14:58 -0700
From: freeciv@xxxxxxxxxxxxxxxxxxxxx
To: freeciv-dev@xxxxxxxxxxx
Subject: [Freeciv-Dev] civserver crashed:
http://pubserver.freeciv.org/games/459314
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# examining core.27933 in /games/459314/. ...
# using $FREECIV_PATH
:/home/freeciv/.freeciv/code/installed/cvs/S2_0/2005-08-02_09.00+mintimeout+original_gamelog/share/freeciv
# running: (echo bt full; echo quit; exec yes '') | gdb
/home/freeciv/.freeciv/code/installed/cvs/S2_0/2005-08-02_09.00+mintimeout+original_gamelog/share/freeciv/../../bin/civserver
core.27933
GNU gdb Red Hat Linux (5.2-2)
Copyright 2002 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and you are
welcome to change it and/or distribute copies of it under certain conditions.
Type "show copying" to see the conditions.
There is absolutely no warranty for GDB. Type "show warranty" for details.
This GDB was configured as "i386-redhat-linux"...
Core was generated by
`/home/freeciv/.freeciv/code/installed/cvs/S2_0/2005-08-02_09.00+mintimeout+orig'.
Program terminated with signal 6, Aborted.
Reading symbols from /lib/libm.so.6...done.
Loaded symbols for /lib/libm.so.6
Reading symbols from /usr/lib/libz.so.1...done.
Loaded symbols for /usr/lib/libz.so.1
Reading symbols from /lib/libc.so.6...done.
Loaded symbols for /lib/libc.so.6
Reading symbols from /lib/ld-linux.so.2...done.
Loaded symbols for /lib/ld-linux.so.2
Reading symbols from /usr/lib/gconv/ISO8859-1.so...done.
Loaded symbols for /usr/lib/gconv/ISO8859-1.so
Reading symbols from /lib/libnss_files.so.2...done.
Loaded symbols for /lib/libnss_files.so.2
Reading symbols from /lib/libnss_nisplus.so.2...done.
Loaded symbols for /lib/libnss_nisplus.so.2
Reading symbols from /lib/libnsl.so.1...done.
Loaded symbols for /lib/libnsl.so.1
Reading symbols from /lib/libnss_dns.so.2...done.
Loaded symbols for /lib/libnss_dns.so.2
Reading symbols from /lib/libresolv.so.2...done.
Loaded symbols for /lib/libresolv.so.2
#0 0x400760a1 in kill () from /lib/libc.so.6
(gdb) #0 0x400760a1 in kill () from /lib/libc.so.6
No symbol table info available.
#1 0x40075e99 in raise () from /lib/libc.so.6
No symbol table info available.
#2 0x40077364 in abort () from /lib/libc.so.6
No symbol table info available.
#3 0x4007015d in __assert_fail () from /lib/libc.so.6
No symbol table info available.
#4 0x0806b30c in assign_continent_numbers (skip_unsafe=true) at maphand.c:164
ter = 6
ptile = (struct tile *) 0x40450d98
_index = 26821
i = 138493824
#5 0x0810061d in create_start_positions (mode=MT_DEFAULT) at startpos.c:195
ptile = (struct tile *) 0x0
k = 0
sum = -1073746352
data = {count = -1314621513, min_value = -2129691826,
value = 0x3b1328a7}
tile_value_aux = (int (*)[0]) 0xbffe2b90
tile_value = (int (*)[0]) 0xbffc6990
min_goodies_per_player = 2000
total_goodies = 0
efactor = 0
#6 0x080fcbba in map_fractal_generate (autosize=true) at mapgen.c:1121
rstate = {v = {3006373574, 2400477171, 3516280782, 2466987667,
3885061098, 1819280179, 2842272625, 1659933131, 3405455040, 1719973051,
2774695670, 192727861, 3598788370, 3447646632, 1612274025, 911326670,
1164138078, 2763110538, 934089668, 3540265416, 1914619070, 219383678,
811538075, 2341122844, 2302461489, 1011750715, 1733008931, 3160327490,
2374275519, 1849991835, 3358341863, 1750448832, 3540497665, 2571293958,
52868002, 582003532, 130162260, 3183422323, 122074653, 152615239,
1953389555, 4247166092, 1832189703, 1035103676, 2980345783, 2165275470,
991111335, 3488959992, 4246304385, 3683104668, 3211689967, 1660782175,
2073033745, 2561217108, 1362857904, 157105088}, j = 10, k = 41, x = 9,
is_init = true}
#7 0x0804fdf7 in srv_loop () at srv_main.c:1827
i = 138493824
start_nations = 6
#8 0x0804fa8d in srv_main () at srv_main.c:1674
No locals.
#9 0x0804a5f0 in main (argc=14, argv=0xbffff054) at civserver.c:200
argc = 14
argv = (char **) 0xbffff054
inx = 14
showhelp = false
showvers = false
option = 0x0
#10 0x400651c4 in __libc_start_main () from /lib/libc.so.6
No symbol table info available.
(gdb) [... 0 lines skipped ...]
Index: server/maphand.h
===================================================================
RCS file: /home/freeciv/CVS/freeciv/server/maphand.h,v
retrieving revision 1.48.2.3
diff -p -u -r1.48.2.3 maphand.h
--- server/maphand.h 15 Feb 2005 17:41:58 -0000 1.48.2.3
+++ server/maphand.h 3 Aug 2005 00:32:19 -0000
@@ -50,7 +50,7 @@ struct player_tile {
};
/* The maximum number of continents and oceans. */
-#define MAP_NCONT 600
+#define MAP_NCONT 1024
void assign_continent_numbers(bool skip_unsafe);
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