linux-kernel - Re: linux-next: Tree for May 16 (security/landlock/ruleset.c)

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Message-ID: <e3754f69-1dea-4542-8de0-a567a14fb95b@infradead.org>
Date: Fri, 16 May 2025 19:54:14 -0700
From: Randy Dunlap <rdunlap@...radead.org>
To: Stephen Rothwell <sfr@...b.auug.org.au>,
 Linux Next Mailing List <linux-next@...r.kernel.org>
Cc: Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
 Mickaël Salaün <mic@...ikod.net>,
 linux-security-module@...r.kernel.org, Kees Cook <kees@...nel.org>
Subject: Re: linux-next: Tree for May 16 (security/landlock/ruleset.c)



On 5/16/25 3:24 AM, Stephen Rothwell wrote:
> Hi all,
> 
> Changes since 20250515:
> 

on i386:

In file included from ../arch/x86/include/asm/string.h:3,
                 from ../include/linux/string.h:65,
                 from ../include/linux/bitmap.h:13,
                 from ../include/linux/cpumask.h:12,
                 from ../include/linux/smp.h:13,
                 from ../include/linux/lockdep.h:14,
                 from ../security/landlock/ruleset.c:16:
../security/landlock/ruleset.c: In function 'create_rule':
../arch/x86/include/asm/string_32.h:150:25: warning: '__builtin_memcpy' accessing 4294967295 bytes at offsets 20 and 0 overlaps 6442450943 bytes at offset -2147483648 [-Wrestrict]
  150 | #define memcpy(t, f, n) __builtin_memcpy(t, f, n)
      |                         ^~~~~~~~~~~~~~~~~~~~~~~~~
../security/landlock/ruleset.c:137:9: note: in expansion of macro 'memcpy'
  137 |         memcpy(new_rule->layers, layers,
      |         ^~~~~~


Full randconfig file is attached.

-- 
~Randy

Download attachment "config-r9208.gz" of type "application/gzip" (28788 bytes)