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From: Sowmini Varadhan <sowmini.varadhan@oracle.com>
To: Dmitry Vyukov <dvyukov@google.com>
Cc: syzbot <syzbot+80c06fb3aabfa386bc06@syzkaller.appspotmail.com>,
	David Miller <davem@davemloft.net>,
	LKML <linux-kernel@vger.kernel.org>,
	linux-rdma@vger.kernel.org, netdev <netdev@vger.kernel.org>,
	rds-devel@oss.oracle.com,
	Santosh Shilimkar <santosh.shilimkar@oracle.com>,
	syzkaller-bugs@googlegroups.com
Subject: Re: KASAN: slab-out-of-bounds Read in rds_cong_queue_updates
Date: Mon, 19 Mar 2018 02:37:08 -0400	[thread overview]
Message-ID: <20180319063708.GB20345@oracle.com> (raw)
In-Reply-To: <CACT4Y+Y_K_GQq0ZgwMNEWuHx6k3BWQZKCoNT8BOWsB-mxL2Szw@mail.gmail.com>

On (03/19/18 09:29), Dmitry Vyukov wrote:
> 
> This looks the same as:
> 
> #syz dup: KASAN: use-after-free Read in rds_cong_queue_updates

correct, seems like the rds_destroy_pending() fixes did not seal
this race condition. I need to look at this more carefully to see
what race I missed.. no easy answer here, I am afraid.

--Sowmini

  reply	other threads:[~2018-03-19  6:37 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <001a114aacf82781120565c9f4fe@google.com>
2018-03-19  6:29 ` KASAN: slab-out-of-bounds Read in rds_cong_queue_updates Dmitry Vyukov
2018-03-19  6:37   ` Sowmini Varadhan [this message]
2018-03-19  6:47     ` Dmitry Vyukov

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