[Bug 2863] base64 help broken in "make menuconfig"

[bugzilla at busybox.net]

https://bugs.busybox.net/show_bug.cgi?id=2863

Denys Vlasenko <vda.linux at googlemail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|REOPENED                    |RESOLVED
         Resolution|                            |FIXED

--- Comment #6 from Denys Vlasenko <vda.linux at googlemail.com>  ---
(In reply to comment #5)
> This problem seems to be caused by buf[4096] (file scripts/kconfig/mconf.c)
> overflow. Function cprint() seems to write past end of buf - overwriting, for
> example, do_resize variable, thus causing the dialog to fail.
> 
> Changing to buf[8192] seems to help for now,

Committing to git, thanks!


> though I'm not exactly sure it's
> the best way to fix it. Perhaps some improvements can be imported from Linux'
> kconfig.

Yes, just porting to newer kernel machinery is the proper fix.

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