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SubjectRe: syscall: sys_promote
Alan Cox wrote:

>On Llu, 2005-08-29 at 11:54 +0800, qiyong wrote:
>>We can ignore it safely. sys_promote is a different approach from
>>selinux. sys_promote is to let sysadmin manually manipulate a running
>You can ignore the patch easily enough. Ignoring the locking doesn't
>work because functionality like fork process counting, exec, and setuid
>all make definite assumptions that are not safe to tamper without unless
>you fix the uid locking.

Will this be helpful?

kill -STOP $pid
promote $pid
kill -CONT $pid

>Fixing it might be useful in some obscure cases anyway - POSIX threads
>might benefit from it too, providing the functionality of changing all
>thread uids at once isnt triggered for sensible threaded app behaviour.

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