Re: [PATCH] mq_open() honor leading slash

[Chris Wright]

* Manfred Spraul (manfred@xxxxxxxxxxxxxxxx) wrote:
> Chris Wright wrote:
> >Patch below simply eats all leading slashes before passing name to
> >lookup_one_len() in mq_open() and mq_unlink().
> >
> Why should we do that in kernel space?
> The kernel interface is "no slash at all". User space can add a SuS 
> compatible layer on top of the kernel interface (i.e. fail with -EINVAL 
> if the first character is not a /, then skip the slash and pass "name+1" 
> to sys_mq_open()).

Jakub said similar, and I missed the fact that glibc was sanitizing
before calling kernel.  I agree, it's fine as is.

thanks,
-chris
-- 
Linux Security Modules     http://lsm.immunix.org     http://lsm.bkbits.net
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