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Date: Mon, 13 Mar 2023 13:57:05 +0200 From: Leon Romanovsky <leon@...nel.org> To: Dennis Dalessandro <dennis.dalessandro@...nelisnetworks.com>, Kees Cook <keescook@...omium.org> Cc: Zhang Yi <yizhan@...hat.com>, Jason Gunthorpe <jgg@...pe.ca>, linux-rdma@...r.kernel.org, linux-kernel@...r.kernel.org, linux-hardening@...r.kernel.org Subject: Re: [PATCH] IB/rdmavt: Fix target union member for rvt_post_one_wr() On Sat, 18 Feb 2023 10:57:05 -0800, Kees Cook wrote: > The "cplen" result used by the memcpy() into struct rvt_swqe "wqe" may > be sized to 80 for struct rvt_ud_wr (which is member "ud_wr", not "wr" > which is only 40 bytes in size). Change the destination union member so > the compiler can use the correct bounds check. > > struct rvt_swqe { > union { > struct ib_send_wr wr; /* don't use wr.sg_list */ > struct rvt_ud_wr ud_wr; > ... > }; > ... > }; > > [...] Applied, thanks! [1/1] IB/rdmavt: Fix target union member for rvt_post_one_wr() https://git.kernel.org/rdma/rdma/c/f2f6e1661d38fb Best regards, -- Leon Romanovsky <leon@...nel.org>
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