Sorry, I forgot to attach the patch.

Andrew Stubbs wrote:
> Andrew Stubbs wrote:
>> I have discovered a problem in the GDB command line reading code.
>>
>> command_line_input() uses a static buffer to hold the current command. 
>> This means that it is not properly re-entrant - commands that contain 
>> other commands, such as user defined commands, are not handled safely.
> 
> See http://sources.redhat.com/ml/gdb-patches/2006-03/msg00356.html
> 
> The attached patch should fix the problem.
> 
> I tried to fix the problem in command_line_input, but there were too 
> many ways for the string to leak, so I have opted for the simpler fix, 
> even though it feels like treating the symptoms, not the problem.
> 
> Anyway, with this patch it no longer attempts to read data that has been 
> overwritten, so everything works fine. Valgrind reports no problems with
> the test case I posted before.
> 
> Andrew Stubbs
>