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From: Sowmini Varadhan <sowmini.varadhan@oracle.com>
To: Dmitry Vyukov <dvyukov@google.com>
Cc: santosh.shilimkar@oracle.com, David Miller <davem@davemloft.net>,
	netdev <netdev@vger.kernel.org>,
	linux-rdma@vger.kernel.org, rds-devel@oss.oracle.com,
	LKML <linux-kernel@vger.kernel.org>,
	Eric Dumazet <edumazet@google.com>,
	syzkaller <syzkaller@googlegroups.com>
Subject: Re: net/rds: use-after-free in inet_create
Date: Tue, 28 Feb 2017 11:38:33 -0500	[thread overview]
Message-ID: <20170228163833.GI31155@oracle.com> (raw)
In-Reply-To: <CACT4Y+bWWAiMYQN_Fvxs7CKR9hRAA+r0t_YZhja3B5xGcZ4vcQ@mail.gmail.com>

On (02/28/17 17:32), Dmitry Vyukov wrote:
> Not reproducible so far.
> 
> rds is compiled into kernel (no modules):
> CONFIG_RDS=y
> CONFIG_RDS_TCP=y

I see. So if it never gets unloaded, the rds_connections "should"
be around forever.. let me inspect code and see if I spot some 
race-window.. 

> Also fuzzer actively creates and destroys namespaces.
> Yes, I don't see socket(0x15) in the log. Probably it was truncated.

I see. May be useful if we coudl get a crash dump to see what
other threads were going on (might give a hint about which threads
were racing). I'll try reproducing this at my end too.

--Sowmini

  reply	other threads:[~2017-02-28 16:38 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-02-28 14:22 net/rds: use-after-free in inet_create Dmitry Vyukov
     [not found] ` <CACT4Y+bi=rZr9yrajA0o0iUeR4N0q-sXYudBVsOeOiHbuApBeA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2017-02-28 15:37   ` Sowmini Varadhan
2017-02-28 15:37     ` Sowmini Varadhan
2017-02-28 15:49     ` Dmitry Vyukov
2017-02-28 16:15       ` Sowmini Varadhan
2017-02-28 16:32         ` Dmitry Vyukov
2017-02-28 16:38           ` Sowmini Varadhan [this message]
     [not found]             ` <20170228163833.GI31155-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>
2017-02-28 16:51               ` Dmitry Vyukov
2017-02-28 16:51                 ` Dmitry Vyukov
     [not found]                 ` <CACT4Y+Y5eM8hKQ7BgA4hEN7ozkhRGgvGJRU6Smrths6noC-PMw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2017-02-28 17:33                   ` Sowmini Varadhan
2017-02-28 17:33                     ` Sowmini Varadhan
     [not found]                     ` <20170228173328.GL31155-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>
2017-02-28 17:45                       ` Dmitry Vyukov
2017-02-28 17:45                         ` Dmitry Vyukov
2017-02-28 17:48                         ` Sowmini Varadhan
2017-02-28 22:24                   ` Sowmini Varadhan
2017-02-28 22:24                     ` Sowmini Varadhan
2017-03-01  9:47                     ` Dmitry Vyukov
2017-02-28 21:06       ` Sowmini Varadhan
2017-02-28 21:14         ` Dmitry Vyukov
2017-02-28 21:37           ` Sowmini Varadhan

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