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Message-Id: <20110130.011525.39175277.davem@davemloft.net> Date: Sun, 30 Jan 2011 01:15:25 -0800 (PST) From: David Miller <davem@...emloft.net> To: ebiederm@...ssion.com Cc: netdev@...r.kernel.org, eswierk@...switch.com, stable@...nel.org Subject: Re: [PATCH] net: Fix ip link add netns oops From: ebiederm@...ssion.com (Eric W. Biederman) Date: Sat, 29 Jan 2011 16:57:22 -0800 > > Ed Swierk <eswierk@...switch.com> writes: >> On 2.6.35.7 >> ip link add link eth0 netns 9999 type macvlan >> where 9999 is a nonexistent PID triggers an oops and causes all network functions to hang: >> [10663.821898] BUG: unable to handle kernel NULL pointer dereference at 000000000000006d >> [10663.821917] IP: [<ffffffff8149c2fa>] __dev_alloc_name+0x9a/0x170 ... > This bug was introduced in: > commit 81adee47dfb608df3ad0b91d230fb3cef75f0060 > Author: Eric W. Biederman <ebiederm@...stanetworks.com> > Date: Sun Nov 8 00:53:51 2009 -0800 > > net: Support specifying the network namespace upon device creation. ... > Where apparently I forgot to add error handling to the path where we create > a new network device in a new network namespace, and pass in an invalid pid. > > Cc: stable@...nel.org > Reported-by: Ed Swierk <eswierk@...switch.com> > Signed-off-by: "Eric W. Biederman" <ebiederm@...ssion.com> Applied, thanks Eric. -- 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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