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From: David Miller <davem@davemloft.net>
To: manivannan.sadhasivam@linaro.org
Cc: kuba@kernel.org, bjorn.andersson@linaro.org,
	netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
	sboyd@kernel.org
Subject: Re: [PATCH] net: qrtr: ns: Protect radix_tree_deref_slot() using rcu read locks
Date: Mon, 28 Sep 2020 15:56:03 -0700 (PDT)	[thread overview]
Message-ID: <20200928.155603.134441435973191115.davem@davemloft.net> (raw)
In-Reply-To: <20200926165625.11660-1-manivannan.sadhasivam@linaro.org>

From: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Date: Sat, 26 Sep 2020 22:26:25 +0530

> The rcu read locks are needed to avoid potential race condition while
> dereferencing radix tree from multiple threads. The issue was identified
> by syzbot. Below is the crash report:
 ...
> Fixes: 0c2204a4ad71 ("net: qrtr: Migrate nameservice to kernel from userspace")
> Reported-and-tested-by: syzbot+0f84f6eed90503da72fc@syzkaller.appspotmail.com
> Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>

Applied and queued up for -stable, thank you.

  reply	other threads:[~2020-09-28 23:15 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-09-26 16:56 [PATCH] net: qrtr: ns: Protect radix_tree_deref_slot() using rcu read locks Manivannan Sadhasivam
2020-09-28 22:56 ` David Miller [this message]
2020-10-01 22:53   ` Doug Anderson
2020-10-02  7:10     ` Manivannan Sadhasivam

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