From: Bart Van Assche <bart.vanassche-XdAiOPVOjttBDgjK7y7TUQ@public.gmane.org>
To: Hal Rosenstock
<hal-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>,
Doug Ledford <dledford-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
"Hefty,
Sean" <sean.hefty-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
Cc: "linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
<linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
Sagi Grimberg <sagig-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
Subject: Re: [PATCH] IB/mad: In validate_mad, validate CM method and attribute
Date: Thu, 12 Nov 2015 10:03:20 -0800 [thread overview]
Message-ID: <5644D468.3060507@sandisk.com> (raw)
In-Reply-To: <56447CA2.1070802-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>
On 11/12/2015 03:48 AM, Hal Rosenstock wrote:
> A new SRP target has been observed to respond to Send CM REQ
> with GetResp of CM REQ with bad status. This is non conformant
> with IBA spec but exposes a vulnerability in the current MAD/CM
> code which will respond to the incoming GetResp of CM REQ as if
> it was a valid incoming Send of CM REQ rather than tossing
> this on the floor. It also causes the MAD layer not to
> retransmit the original REQ even though it has not received a REP.
Hello Hal,
With which SRP target has this behavior been observed ? Has this patch
been tested with the LIO SRP target ?
Thanks,
Bart.
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next prev parent reply other threads:[~2015-11-12 18:03 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-11-12 11:48 [PATCH] IB/mad: In validate_mad, validate CM method and attribute Hal Rosenstock
[not found] ` <56447CA2.1070802-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>
2015-11-12 17:52 ` Hefty, Sean
2015-11-12 18:03 ` Bart Van Assche [this message]
[not found] ` <5644D468.3060507-XdAiOPVOjttBDgjK7y7TUQ@public.gmane.org>
2015-11-15 8:36 ` Sagi Grimberg
2015-11-12 18:13 ` ira.weiny
[not found] ` <20151112181339.GA16488-W4f6Xiosr+yv7QzWx2u06xL4W9x8LtSr@public.gmane.org>
2015-11-12 20:30 ` Hefty, Sean
[not found] ` <1828884A29C6694DAF28B7E6B8A82373A9BACD7D-8oqHQFITsIHTXloPLtfHfbfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2015-11-12 22:13 ` Jason Gunthorpe
[not found] ` <20151112221300.GA12250-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2015-11-12 22:57 ` Hefty, Sean
[not found] ` <1828884A29C6694DAF28B7E6B8A82373A9BACE42-8oqHQFITsIHTXloPLtfHfbfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2015-11-13 19:14 ` Hal Rosenstock
2015-11-13 19:12 ` Hal Rosenstock
2015-11-13 20:07 ` Hal Rosenstock
2015-11-13 19:09 ` Hal Rosenstock
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