linux-kernel - Re: [PATCH v1 2/3] mm: Fix benign off-by-one bugs

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Message-ID: <6vzrgu2gei2g2445cuwod37gmxz3zejnhegrqseymb6gofydum@agw3bgic3v52>
Date: Mon, 10 Nov 2025 23:06:08 +0100
From: Alejandro Colomar <alx@...nel.org>
To: kernel test robot <lkp@...el.com>
Cc: linux-kernel@...r.kernel.org, llvm@...ts.linux.dev, 
	oe-kbuild-all@...ts.linux.dev, Marco Elver <elver@...gle.com>, Kees Cook <kees@...nel.org>, 
	Christopher Bazley <chris.bazley.wg14@...il.com>, Alexander Potapenko <glider@...gle.com>, 
	Dmitry Vyukov <dvyukov@...gle.com>, Jann Horn <jannh@...gle.com>, 
	Andrew Morton <akpm@...ux-foundation.org>, Linux Memory Management List <linux-mm@...ck.org>, 
	Rasmus Villemoes <linux@...musvillemoes.dk>, Michal Hocko <mhocko@...e.com>, 
	Al Viro <viro@...iv.linux.org.uk>
Subject: Re: [PATCH v1 2/3] mm: Fix benign off-by-one bugs

Hi,

On Tue, Nov 11, 2025 at 01:47:19AM +0800, kernel test robot wrote:
> kernel test robot noticed the following build errors:

[...]

> >> mm/kfence/kfence_test.c:113:8: error: call to undeclared function 'ENDOF'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
>      113 |         end = ENDOF(expect[0]);
>          |               ^
> >> mm/kfence/kfence_test.c:113:6: error: incompatible integer to pointer conversion assigning to 'const char *' from 'int' [-Wint-conversion]
>      113 |         end = ENDOF(expect[0]);
>          |             ^ ~~~~~~~~~~~~~~~~
>    mm/kfence/kfence_test.c:143:6: error: incompatible integer to pointer conversion assigning to 'const char *' from 'int' [-Wint-conversion]
>      143 |         end = ENDOF(expect[1]);
>          |             ^ ~~~~~~~~~~~~~~~~
>    3 errors generated.

I'm pretty sure I tested this some months ago.  I'll test again...


Have a lovely night!
Alex

-- 
<https://www.alejandro-colomar.es>
Use port 80 (that is, <...:80/>).

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