Bug#691107: Crash update

[Mark Purcell]

On Mon, 22 Oct 2012 12:37:24 Jesse Smith wrote:
> Since this bug only appears when the game is built with a specific
> version of a specific compiler (gcc), I think that indicates there may
> be a bug in the 4.7.x branch of the GNU C++ compiler.

Jess, 

Generally issues which are identified with later versions of gcc identify 
hidden issues which earlier compliers fail to identify, hence they are early 
warnings of issues that will become mainstream.

I have loaded symbols and can reproduce and attach the backtrace.

Mark


$ gdb atanks
GNU gdb (GDB) 7.4.1-debian
Copyright (C) 2012 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.  Type "show copying"
and "show warranty" for details.
This GDB was configured as "x86_64-linux-gnu".
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>...
Reading symbols from /usr/games/atanks...Reading symbols from 
/usr/lib/debug/usr/games/atanks...(no debugging symbols found)...done.
(no debugging symbols found)...done.
(gdb) r
Starting program: /usr/games/atanks 
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
Atomic Tanks Version 5.5 (-h for help)
Authors:        Tom Hudson (rewrite, additions, improvements)
                Stevante Software (original design)
                Kota543 Software (fixes and updates)
                Jesse Smith (additions, fixes and updates)
                Sven Eden (ai rewrite, additions, fixes and updates)

[New Thread 0x7ffff48c9700 (LWP 7658)]
[New Thread 0x7ffff3df5700 (LWP 7659)]
[New Thread 0x7fffec2b5700 (LWP 7660)]
[Thread 0x7fffec2b5700 (LWP 7660) exited]
[New Thread 0x7fffec2b5700 (LWP 7661)]
[New Thread 0x7fffe78ad700 (LWP 7662)]
[New Thread 0x7fffe65db700 (LWP 7663)]
[Thread 0x7fffe65db700 (LWP 7663) exited]

Program received signal SIGSEGV, Segmentation fault.
0x00007ffff6dc9aba in _IO_vfprintf_internal (s=0x7fffffffb0d0, format=0x460494 "-> 
%s", ap=0x7fffffffb1f0) at vfprintf.c:1623
1623    vfprintf.c: No such file or directory.
(gdb) bt
#0  0x00007ffff6dc9aba in _IO_vfprintf_internal (s=0x7fffffffb0d0, format=0x460494 
"-> %s", ap=0x7fffffffb1f0) at vfprintf.c:1623
#1  0x00007ffff6dee929 in __IO_vsprintf (string=0x7fffffffc980 "-> nguage:", 
format=0x460494 "-> %s", args=0x7fffffffb1f0) at iovsprintf.c:43
#2  0x00007ffff6dd23a8 in __sprintf (s=0x3520 <Address 0x3520 out of bounds>, 
format=0x460498 "s") at sprintf.c:34
#3  0x000000000041622b in options(GLOBALDATA*, ENVIRONMENT*, MENUDESC*) ()
#4  0x00000000004248a1 in main ()
(gdb) 
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