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Message-ID: <CAHC9VhS0SnEb46-FBpn2JpC2dJ7OnkeJ2EtLBvVvkOLdfFmcbg@mail.gmail.com>
Date: Thu, 12 Jan 2023 12:15:51 -0500
From: Paul Moore <paul@...l-moore.com>
To: Roberto Sassu <roberto.sassu@...weicloud.com>
Cc: mark@...heh.com, jlbec@...lplan.org, joseph.qi@...ux.alibaba.com,
zohar@...ux.ibm.com, dmitry.kasatkin@...il.com, jmorris@...ei.org,
serge@...lyn.com, stephen.smalley.work@...il.com,
eparis@...isplace.org, casey@...aufler-ca.com,
ocfs2-devel@....oracle.com, reiserfs-devel@...r.kernel.org,
linux-integrity@...r.kernel.org,
linux-security-module@...r.kernel.org, selinux@...r.kernel.org,
linux-kernel@...r.kernel.org, keescook@...omium.org,
nicolas.bouchinet@...p-os.org,
Roberto Sassu <roberto.sassu@...wei.com>
Subject: Re: [PATCH v7 0/6] evm: Do HMAC of multiple per LSM xattrs for new inodes
On Thu, Dec 1, 2022 at 5:42 AM Roberto Sassu
<roberto.sassu@...weicloud.com> wrote:
>
> From: Roberto Sassu <roberto.sassu@...wei.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.
--
paul-moore.com
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