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Message-ID: <685c8157bd45fa7dbdadd8583d882489.paul@paul-moore.com>
Date: Wed, 09 Aug 2023 19:07:40 -0400
From: Paul Moore <paul@...l-moore.com>
To: Christian Göttsche <cgzones@...glemail.com>,
selinux@...r.kernel.org
Cc: Stephen Smalley <stephen.smalley.work@...il.com>,
Eric Paris <eparis@...isplace.org>,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 1/7] selinux: avoid implicit conversions in avtab code
On Aug 7, 2023 =?UTF-8?q?Christian=20G=C3=B6ttsche?= <cgzones@...glemail.com> wrote:
>
> Return u32 from avtab_hash() instead of int, since the hashing is done
> on u32 and the result is used as an index on the hash array.
>
> Use the type of the limit in for loops.
>
> Avoid signed to unsigned conversion of multiplication result in
> avtab_hash_eval() and perform multiplication in destination type.
>
> Use unsigned loop iterator for index operations, to avoid sign
> extension.
>
> Signed-off-by: Christian Göttsche <cgzones@...glemail.com>
> ---
> v3:
> - use fixed sized counters in avtab_hash_eval()
> - perform multiplication in avtab_hash_eval() in destination type
> v2: avoid declarations in init-clauses of for loops
> ---
> security/selinux/ss/avtab.c | 24 ++++++++++++------------
> 1 file changed, 12 insertions(+), 12 deletions(-)
Merged into selinux/next, thanks.
--
paul-moore.com
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