Re: Q: check_unsafe_exec() races (Was: [PATCH 2/4] fix setuidsometimes doesn't)

From: Al Viro
Date: Sun Mar 29 2009 - 00:15:32 EST


On Sun, Mar 29, 2009 at 05:10:22AM +0100, Al Viro wrote:

> Frankly, I don't think we really care. Note that having several sub-threads
> and doing execve() in one of them will kill the rest, so you really want
> to do some kind of synchronization

in userland, that is

> to get something similar to reasonable
> behaviour anyway.
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