Messages in this thread |  | | Date | Tue, 27 Aug 2002 00:54:26 -0700 | From | Chris Wedgwood <> | Subject | Re: problems with changing UID/GID |
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On Mon, Aug 26, 2002 at 06:16:59PM +0100, Alan Cox wrote:
It changes the whole semantics of every security test in Linux, and breaks most of them totally. Our syscalls know the uid is constant during the call
Could we not (eventually) have CLONE_CREDs and then lock using task->cred->lock or whatever? Or might there be cases where this will deadlock? It does mean set[eu]id will have to wait of other threads and IO to complete... no matter how long that takes, but other than might it be reasonable?
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