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Date: Mon, 28 Sep 2020 15:56:03 -0700 (PDT) From: David Miller <davem@...emloft.net> To: manivannan.sadhasivam@...aro.org Cc: kuba@...nel.org, bjorn.andersson@...aro.org, netdev@...r.kernel.org, linux-kernel@...r.kernel.org, sboyd@...nel.org Subject: Re: [PATCH] net: qrtr: ns: Protect radix_tree_deref_slot() using rcu read locks From: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.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@...kaller.appspotmail.com > Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org> Applied and queued up for -stable, thank you.
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