Re: CVS: cvs.openbsd.org: src

[Marco Peereboom]

How old was this bug again?

On Tue, Jul 08, 2008 at 09:06:50AM -0600, Otto Moerbeek wrote:
> CVSROOT:      /cvs
> Module name:  src
> Changes by:   [EMAIL PROTECTED]       2008/07/08 09:06:50
> 
> Modified files:
>       usr.bin/yacc   : skeleton.c 
> 
> Log message:
> Fix an venerable bug: if we're reducing a rule that has an empty
> right hand side and the yacc stackpointer is pointing at the very
> end of the allocated stack, we end up accessing the stack out of
> bounds by the implicit $$ = $1 action.  Detected by my new malloc,
> experienced by sturm@ on sparc64; ok deraadt@