Messages in this thread | | | Date | Thu, 15 Apr 2004 13:38:45 -0700 | From | Chris Wright <> | Subject | Re: [PATCH] mq_open() honor leading slash |
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* Manfred Spraul (manfred@colorfullife.com) 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 - 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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