Re: [ 105/124] af_unix: dont send SCM_CREDENTIAL when dest socketis NULL

From: Eric Dumazet
Date: Wed Apr 03 2013 - 10:00:44 EST


On Wed, 2013-04-03 at 13:41 +0200, Sven Joachim wrote:
> On 2013-04-03 00:11 +0200, Greg Kroah-Hartman wrote:
>
> > 3.8-stable review patch. If anyone has any objections, please let me know.
>
> I'm seeing several complaints from udevd at boot in both 3.8.6-rc1 and
> 3.9-rc5: "udevd[56]: sender uid=65534, message ignored". Reverting the
> patch below on top of 3.8.6-rc1 fixes that. I'm using udev version 175
> here, and 65534 is the uid of user "nobody".

And if you use a 3.1 kernel (before commit
16e5726269611b71c930054ffe9b858c1cea88eb) are you seeing this message ?

It might be a wrong sender (application bug or bad identity), and udevd
correctly discards the incoming message.



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