linux-kernel - Re: [PATCH] ipmi: fix oob access due to uninit smi

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Date:   Thu, 25 Nov 2021 07:05:43 -0800
From:   Jakub Kicinski <kuba@...nel.org>
To:     Corey Minyard <minyard@....org>
Cc:     andrew.manley@...lingtech.com,
        openipmi-developer@...ts.sourceforge.net,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] ipmi: fix oob access due to uninit smi_msg type

On Thu, 25 Nov 2021 08:21:40 -0600 Corey Minyard wrote:
> On Wed, Nov 24, 2021 at 01:03:23PM -0800, Jakub Kicinski wrote:
> > We're hitting OOB accesses in handle_ipmb_direct_rcv_rsp() (memcpy of
> > size -1) after user space generates a message. Looks like the message
> > is incorrectly assumed to be of the new IPMB type, because type is never
> > set and message is allocated with kmalloc() not kzalloc().
> > 
> > Fixes: 059747c245f0 ("ipmi: Add support for IPMB direct messages")
> > Signed-off-by: Jakub Kicinski <kuba@...nel.org>  
> 
> This is correct, and in my queue.  Thanks for the fix.

Where is your queue, BTW? I see not T entry in MAINTAINERS and nothing
of note in the github tree from which you send PRs.