Re: [PATCH v7 0/6] evm: Do HMAC of multiple per LSM xattrs for new inodes

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On Thu, Dec 1, 2022 at 5:42 AM Roberto Sassu
<roberto.sassu@xxxxxxxxxxxxxxx> wrote:
>
> From: Roberto Sassu <roberto.sassu@xxxxxxxxxx>
>
> 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.

-- 
paul-moore.com



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