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Date: Wed, 18 Apr 2012 14:04:50 -0500 From: Jonathan Nieder <jrnieder@...il.com> To: "Peter Huang (Peng)" <peter.huangpeng@...wei.com> Cc: shemminger@...tta.com, "'David S. Miller'" <davem@...emloft.net>, netdev@...r.kernel.org, eric.dumazet@...il.com, linux-kernel@...r.kernel.org, ctrix+debianbugs@...ynet.it, peter.huangpeng@...il.com, harry.majun@...wei.com Subject: Re: [PATCH] set fake_rtable's dst to NULL to avoid kernel Oops. Hi, Peter Huang (Peng) wrote: > When bridge is deleted before tap/vif device's delete, kernel may > encounter an oops because of NULL reference to fake_rtable's dst. > > Set fake_rtable's dst to NULL before sending packets out can solve > this problem. > > Acked-by: Eric Dumazet <eric.dumazet@...il.com> > Signed-off-by: Peter Huang <peter.huangpeng@...wei.com> > --- > include/linux/netfilter_bridge.h | 8 ++++++++ > net/bridge/br_forward.c | 1 + > net/bridge/br_netfilter.c | 6 +----- > 3 files changed, 10 insertions(+), 5 deletions(-) Massimo Cetra (cc-ed) tested the patch against a 3.2.y kernel and wrote[1]: > The patch i applied yesterday to the debian kernel has been installed > and the kernel is not panic-ing anymore. > > I'll try to keep this bug up to date. So it seems to work. Dave, please consider queuing this for stable@ when the final patch is ready. Thanks, Jonathan [1] http://bugs.debian.org/668511#37 -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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