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SubjectRe: [PATCH v7 0/6] evm: Do HMAC of multiple per LSM xattrs for new inodes
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On Thu, 2023-01-12 at 12:15 -0500, Paul Moore wrote:
> On Thu, Dec 1, 2022 at 5:42 AM Roberto Sassu
> <roberto.sassu@huaweicloud.com> wrote:
> > From: Roberto Sassu <roberto.sassu@huawei.com>
> >
> > One of the major goals of LSM stacking is to run multiple LSMs side by side
> > without interfering with each other. The ultimate decision will depend on
> > individual LSM decision.
> >
> > Several changes need to be made to the LSM infrastructure to be able to
> > support that. This patch set tackles one of them: gives to each LSM the
> > ability to specify one or multiple xattrs to be set at inode creation
> > time and, at the same time, gives to EVM the ability to access all those
> > xattrs and calculate the HMAC on them.
>
> ...
>
> > The patch set has been tested with both the SElinux and Smack test suites.
> > Below, there is the summary of the test results:
> >
> > SELinux Test Suite result (without patches):
> > Files=73, Tests=1346, 225 wallclock secs ( 0.43 usr 0.23 sys + 6.11 cusr 58.70 csys = 65.47 CPU)
> > Result: FAIL
> > Failed 4/73 test programs. 13/1346 subtests failed.
> >
> > SELinux Test Suite result (with patches):
> > Files=73, Tests=1346, 225 wallclock secs ( 0.44 usr 0.22 sys + 6.15 cusr 59.94 csys = 66.75 CPU)
> > Result: FAIL
> > Failed 4/73 test programs. 13/1346 subtests failed.
>
> Can you provide some more information on which of the
> selinux-testsuite tests failed? That shouldn't be happening and I'm a
> little concerned that these test failures, even if unrelated to your
> work here, could be masking failures which are related.

Uhm, my virtual machine has been used for many tests and was not clean.
This time, I installed a fresh Fedora 37 and compiled the kernel with
the same configuration as the shipped kernel.

Everything works now:

All tests successful.
Files=74, Tests=1363, 210 wallclock secs ( 0.42 usr 0.11 sys + 6.66
cusr 22.33 csys = 29.52 CPU)
Result: PASS

Roberto

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