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Message-ID: <75ccacc3-a4b4-21ac-aae4-2c8968215738@simon.arlott.org.uk> Date: Mon, 21 Nov 2016 21:12:15 +0000 From: Simon Arlott <simon@...e.lp0.eu> To: netdev <netdev@...r.kernel.org> Subject: [stable 4.4.y] ppp: defer netns reference release for ppp channel Please apply the following patch to linux-stable 4.4.y: commit 205e1e255c479f3fd77446415706463b282f94e4 ppp: defer netns reference release for ppp channel This is already present in 4.8.y and fixes an issue with ppp channels that would otherwise cause a BUG() in ppp_pernet while a global ppp mutex is held, preventing further ppp connections from being established. The issue is reproducible by having pppd use a PPPoE server that closes new connections immediately (e.g. rp-pppoe "pppoe-server -q /bin/true"). -- Simon Arlott
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