Messages in this thread | | | From | Mike Frysinger <> | Date | Fri, 16 Oct 2009 11:43:20 -0400 | Subject | Re: [Uclinux-dist-devel] [PATCH] mm/nommu.c: Fix improperly call of security API in mmap |
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On Fri, Oct 16, 2009 at 11:14, David Howells wrote: > Eric Paris <eparis@parisplace.org> wrote: >> I really don't like seeing such irrelevant (that's not the right word, >> but I can't think what is) ifdefs creeping down into the security >> layer as LSM authors are likely to mess them up in the future. I'd >> probably rather see the addr_only argument changed into a flags field. >> One for addr_only and one flag for not_addr. The nommu case could >> just set the not_addr flag and it's obvious how the LSMs (or >> capabilities if !CONFIG_SECURITY) should handle it, also works if some >> other future need arises... > > A better way still, might be to deny the possibility of CONFIG_SECURITY if > CONFIG_MMU=n. After all, security is sort of pointless when a userspace > program can just edit the kernel at a whim.
except for MPU users, and arent some security restrictions useful when talking about networked daemons ? -mike -- 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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