Messages in this thread | | | Date | Tue, 6 Oct 2015 16:49:37 +0200 | From | Ingo Molnar <> | Subject | Re: [tip:x86/mm] x86/mm: Warn on W^X mappings |
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* Arjan van de Ven <arjan@linux.intel.com> wrote:
> On 10/6/2015 2:54 AM, tip-bot for Stephen Smalley wrote: > >Commit-ID: e1a58320a38dfa72be48a0f1a3a92273663ba6db > >Gitweb: http://git.kernel.org/tip/e1a58320a38dfa72be48a0f1a3a92273663ba6db > >Author: Stephen Smalley <sds@tycho.nsa.gov> > >AuthorDate: Mon, 5 Oct 2015 12:55:20 -0400 > >Committer: Ingo Molnar <mingo@kernel.org> > >CommitDate: Tue, 6 Oct 2015 11:11:48 +0200 > > > >x86/mm: Warn on W^X mappings > > > >Warn on any residual W+X mappings after setting NX > >if DEBUG_WX is enabled. Introduce a separate > >X86_PTDUMP_CORE config that enables the code for > >dumping the page tables without enabling the debugfs > >interface, so that DEBUG_WX can be enabled without > >exposing the debugfs interface. Switch EFI_PGT_DUMP > >to using X86_PTDUMP_CORE so that it also does not require > >enabling the debugfs interface. > > I like it, so Acked-by: Arjan van de Ven <arjan@Linux.intel.com> > > I also have/had an old userland script to do similar checks but using the > debugfs interface... ... would that be useful to have somewhere more central? > > http://git.fenrus.org/tmp/i386-check-pagetables.pl
Sure, I think it could be put into tools/testing/selftests/x86/.
Thanks,
Ingo
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