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Date: Tue, 10 Jul 2012 10:33:23 +0800 From: Gao feng <gaofeng@...fujitsu.com> To: David Miller <davem@...emloft.net> CC: eric.dumazet@...il.com, nhorman@...driver.com, linux-kernel@...r.kernel.org, netdev@...r.kernel.org, lizefan@...wei.com, tj@...nel.org Subject: Re: [PATCH] net: cgroup: fix out of bounds accesses 于 2012年07月10日 05:51, David Miller 写道: > From: Gao feng <gaofeng@...fujitsu.com> > Date: Mon, 09 Jul 2012 16:15:29 +0800 > >> 于 2012年07月09日 15:45, Eric Dumazet 写道: >>> From: Eric Dumazet <edumazet@...gle.com> >>> >>> dev->priomap is allocated by extend_netdev_table() called from >>> update_netdev_tables(). >>> And this is only called if write_priomap() is called. >>> >>> But if write_priomap() is not called, it seems we can have out of bounds >>> accesses in cgrp_destroy(), read_priomap() & skb_update_prio() >>> >>> With help from Gao Feng >>> >>> Signed-off-by: Eric Dumazet <edumazet@...gle.com> >>> Cc: Neil Horman <nhorman@...driver.com> >>> Cc: Gao feng <gaofeng@...fujitsu.com> >>> --- >>> net/core/dev.c | 8 ++++++-- >>> net/core/netprio_cgroup.c | 4 ++-- >>> 2 files changed, 8 insertions(+), 4 deletions(-) >> >> Acked-by: Gao feng <gaofeng@...fujitsu.com> > > Applied. > Hi David Please see my patch in this thread, I think it's a better way to fix this bug. Thanks. -- 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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