From: "bfields@fieldses.org" <bfields@fieldses.org>
To: Trond Myklebust <trondmy@hammerspace.com>
Cc: "vvs@virtuozzo.com" <vvs@virtuozzo.com>,
"anna.schumaker@netapp.com" <anna.schumaker@netapp.com>,
"khorenko@virtuozzo.com" <khorenko@virtuozzo.com>,
"linux-nfs@vger.kernel.org" <linux-nfs@vger.kernel.org>,
"eshatokhin@virtuozzo.com" <eshatokhin@virtuozzo.com>,
"chuck.lever@oracle.com" <chuck.lever@oracle.com>,
"jlayton@kernel.org" <jlayton@kernel.org>
Subject: Re: [PATCH 1/4] nfs: use-after-free in svc_process_common()
Date: Thu, 20 Dec 2018 20:00:07 -0500 [thread overview]
Message-ID: <20181221010007.GA10196@fieldses.org> (raw)
In-Reply-To: <068f1741afc54367853a2e4501fd95c2ab12a989.camel@hammerspace.com>
On Tue, Dec 18, 2018 at 02:55:15PM +0000, Trond Myklebust wrote:
> No. We don't care about xpt_flags for the back channel because there is
> no "server transport". The actual transport is stored in the 'struct
> rpc_rqst', and is the struct rpc_xprt corresponding to the client
> socket or RDMA channel.
>
> IOW: All we really need in svc_process_common() is to be able to run
> rqstp->rq_xprt->xpt_ops->xpo_prep_reply_hdr(), and that can be passed
> either as a pointer to the struct svc_xprt_ops itself.
For what it's worth, I'd rather get rid of that op--it's an awfully
roundabout way just to do "svc_putnl(resv, 0);" in the tcp case.
--b.
next prev parent reply other threads:[~2018-12-21 1:00 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-12-17 16:23 [PATCH 1/4] nfs: use-after-free in svc_process_common() Vasily Averin
2018-12-17 17:49 ` Jeff Layton
2018-12-17 21:50 ` J. Bruce Fields
2018-12-18 6:45 ` Vasily Averin
2018-12-18 12:49 ` Trond Myklebust
2018-12-18 14:35 ` Vasily Averin
2018-12-18 14:55 ` Trond Myklebust
2018-12-18 20:02 ` Vasily Averin
2018-12-18 20:43 ` Trond Myklebust
2018-12-19 11:25 ` Vasily Averin
2018-12-20 1:39 ` Vasily Averin
2018-12-20 1:58 ` Trond Myklebust
2018-12-20 9:30 ` Vasily Averin
2018-12-20 11:58 ` Trond Myklebust
2018-12-21 1:00 ` bfields [this message]
2018-12-21 11:30 ` Vasily Averin
2018-12-21 17:39 ` Vasily Averin
2018-12-22 17:46 ` Vasily Averin
2018-12-23 20:52 ` bfields
2018-12-23 21:03 ` Vasily Averin
2018-12-23 23:56 ` Trond Myklebust
2018-12-24 5:51 ` Vasily Averin
2018-12-24 6:05 ` Vasily Averin
2018-12-24 8:21 ` Trond Myklebust
2018-12-24 8:59 ` Vasily Averin
2018-12-24 9:53 ` Trond Myklebust
2018-12-24 11:48 ` Vasily Averin
2018-12-18 21:31 ` Vladis Dronov
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