linux-hardening - Re: [PATCH][next] rsxx: Use struct

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Message-ID: <fb567b7b-5ea4-fe8b-52cc-f148ff6a61b7@kernel.dk>
Date:   Fri, 14 May 2021 09:00:56 -0600
From:   Jens Axboe <axboe@...nel.dk>
To:     "Gustavo A. R. Silva" <gustavoars@...nel.org>,
        Joshua Morris <josh.h.morris@...ibm.com>,
        Philip Kelleher <pjk1939@...ux.ibm.com>
Cc:     linux-block@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-hardening@...r.kernel.org
Subject: Re: [PATCH][next] rsxx: Use struct_size() in vmalloc()

On 5/13/21 2:37 PM, Gustavo A. R. Silva wrote:
> Make use of the struct_size() helper instead of an open-coded version,
> in order to avoid any potential type mistakes or integer overflows
> that, in the worst scenario, could lead to heap overflows.
> 
> This code was detected with the help of Coccinelle and, audited and
> fixed manually.

Applied, thanks.

-- 
Jens Axboe