Re: 2.6.9-rc2-mm4-VP-S7 - ksoftirq and selinux oddity

From: Luke Kenneth Casson Leighton
Date: Fri Oct 08 2004 - 06:38:39 EST


On Fri, Oct 08, 2004 at 07:18:42AM -0400, Stephen Smalley wrote:
> On Fri, 2004-10-08 at 05:31, Luke Kenneth Casson Leighton wrote:
> > an alternative possible solution is to get the packet _out_ from
> > the interrupt context and have the aux pid comm exe information added.
>
> No, the network permission checks are intentionally layered to match the
> network protocol implementation. There is a process-to-socket check
> performed in process context when the data is received from the socket
> by an actual process, but there is also the socket-to-netif/node/port
> check performed in softirq context when the packet is received on the
> socket from the network.

ah. oh well!

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