From: "Martin K. Petersen" <martin.petersen@oracle.com>
To: Len Baker <len.baker@gmx.com>,
James Smart <james.smart@broadcom.com>,
Ram Vegesna <ram.vegesna@broadcom.com>,
"James E.J. Bottomley" <jejb@linux.ibm.com>
Cc: "Martin K . Petersen" <martin.petersen@oracle.com>,
linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org,
Kees Cook <keescook@chromium.org>,
target-devel@vger.kernel.org, linux-hardening@vger.kernel.org,
Hannes Reinecke <hare@suse.de>
Subject: Re: [PATCH] scsi: elx: libefc: Prefer kcalloc over open coded arithmetic
Date: Wed, 22 Sep 2021 00:45:21 -0400 [thread overview]
Message-ID: <163228527480.25516.16772825174305781427.b4-ty@oracle.com> (raw)
In-Reply-To: <20210905062448.6587-1-len.baker@gmx.com>
On Sun, 5 Sep 2021 08:24:48 +0200, Len Baker wrote:
> As noted in the "Deprecated Interfaces, Language Features, Attributes,
> and Conventions" documentation [1], size calculations (especially
> multiplication) should not be performed in memory allocator (or similar)
> function arguments due to the risk of them overflowing. This could lead
> to values wrapping around and a smaller allocation being made than the
> caller was expecting. Using those allocations could lead to linear
> overflows of heap memory and other misbehaviors.
>
> [...]
Applied to 5.16/scsi-queue, thanks!
[1/1] scsi: elx: libefc: Prefer kcalloc over open coded arithmetic
https://git.kernel.org/mkp/scsi/c/0a5e20fc8ca7
--
Martin K. Petersen Oracle Linux Engineering
prev parent reply other threads:[~2021-09-22 4:46 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-09-05 6:24 [PATCH] scsi: elx: libefc: Prefer kcalloc over open coded arithmetic Len Baker
2021-09-07 16:55 ` James Smart
2021-09-22 4:45 ` Martin K. Petersen [this message]
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