Re: [RFC PATCH v1 1/5] fs: Add support for an O_MAYEXEC flag on sys_open()

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* Steve Grubb:

> This flag that is being proposed means that you would have to patch all 
> interpreters to use it. If you are sure that upstreams will accept that, why 
> not just change the policy to interpreters shouldn't execute anything unless 
> the execute bit is set? That is simpler and doesn't need a kernel change. And 
> setting the execute bit is an auditable event.

I think we need something like O_MAYEXEC so that security policies can
be enforced and noexec mounts can be detected.  I don't think it's a
good idea to do this in userspace, especially the latter.

Thanks,
Florian



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