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Message-Id: <20130405.004731.151872753500597206.davem@davemloft.net> Date: Fri, 05 Apr 2013 00:47:31 -0400 (EDT) From: David Miller <davem@...emloft.net> To: ebiederm@...ssion.com Cc: svenjoac@....de, gregkh@...uxfoundation.org, linux-kernel@...r.kernel.org, stable@...r.kernel.org, dingtianhong@...wei.com, edumazet@...gle.com, luto@...capital.net, ksrot@...hat.com, netdev@...r.kernel.org, eric.dumazet@...il.com Subject: Re: [PATCH 1/2] Revert "af_unix: dont send SCM_CREDENTIAL when dest socket is NULL" From: ebiederm@...ssion.com (Eric W. Biederman) Date: Wed, 03 Apr 2013 19:13:35 -0700 > > This reverts commit 14134f6584212d585b310ce95428014b653dfaf6. > > The problem that the above patch was meant to address is that af_unix > messages are not being coallesced because we are sending unnecesarry > credentials. Not sending credentials in maybe_add_creds totally > breaks unconnected unix domain sockets that wish to send credentails > to other sockets. > > In practice this break some versions of udev because they receive a > message and the sending uid is bogus so they drop the message. > > Cc: stable@...r.kernel.org > Reported-by: Sven Joachim <svenjoac@....de> > Signed-off-by: "Eric W. Biederman" <ebiederm@...ssion.com> Applied. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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