Messages in this thread | | | Date | Mon, 29 Aug 2005 11:54:54 +0800 | From | qiyong <> | Subject | Re: syscall: sys_promote |
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Alan Cox wrote:
>On Gwe, 2005-08-26 at 19:02 +0800, Coywolf Qi Hunt wrote: > > >>>3) admins can `promote' a suspect process instead of killing it. >>> >>>Is it also generally useful in practice? Thoughts? >>> >>> > >The locking is wrong. At the moment the entire kernel assumes that a >process uid is not changed by anyone else. After you've implemented uid >locking/refcounting for tasks you can add the syscall but until then its >not a good idea. I don't think its a good idea anyway - selinux can do >far more useful things. >
Indeed. "Also it's not obvious that locking can be done right (or that anybody cares). " We can ignore it safely. sys_promote is a different approach from selinux. sys_promote is to let sysadmin manually manipulate a running process, - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.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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