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From: Jakub Kicinski <kuba@kernel.org>
To: Corey Minyard <minyard@acm.org>
Cc: andrew.manley@sealingtech.com,
	openipmi-developer@lists.sourceforge.net,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH] ipmi: fix oob access due to uninit smi_msg type
Date: Thu, 25 Nov 2021 07:05:43 -0800	[thread overview]
Message-ID: <20211125070543.7d3225af@kicinski-fedora-pc1c0hjn.dhcp.thefacebook.com> (raw)
In-Reply-To: <20211125142140.GV15676@minyard.net>

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@kernel.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.

  reply	other threads:[~2021-11-25 15:07 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-11-24 21:03 Jakub Kicinski
2021-11-25 14:21 ` Corey Minyard
2021-11-25 15:05   ` Jakub Kicinski [this message]
2021-11-26  3:28     ` Corey Minyard

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