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From: Stefan Berger <stefanb@linux.ibm.com>
To: linux-integrity@vger.kernel.org, linux-unionfs@vger.kernel.org
Cc: linux-kernel@vger.kernel.org, zohar@linux.ibm.com,
	roberto.sassu@huawei.com, amir73il@gmail.com, miklos@szeredi.hu,
	brauner@kernel.org, Stefan Berger <stefanb@linux.ibm.com>
Subject: [RFC PATCH v2 0/2] ima: Fix detection of read/write violations on stacked filesystems
Date: Mon, 22 Apr 2024 11:06:49 -0400	[thread overview]
Message-ID: <20240422150651.2908169-1-stefanb@linux.ibm.com> (raw)

This series fixes the detection of read/write violations on stacked
filesystems. To be able to access the relevant dentries necessary to
detect files opened for writing on a stacked filesystem a new d_real_type
D_REAL_FILEDATA is introduced that allows callers to access all relevant
files involved in a stacked filesystem while traversing the layers.

  Stefan

v2:
 - Simplified 2nd patch
 - Improvements on patch description on 1st patch

Stefan Berger (2):
  ovl: Define D_REAL_FILEDATA for d_real to return dentry with data
  ima: Fix detection of read/write violations on stacked filesystems

 fs/overlayfs/super.c              |  6 ++++++
 include/linux/dcache.h            |  1 +
 security/integrity/ima/ima_main.c | 21 ++++++++++++++++-----
 3 files changed, 23 insertions(+), 5 deletions(-)

-- 
2.43.0


             reply	other threads:[~2024-04-22 15:07 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-04-22 15:06 Stefan Berger [this message]
2024-04-22 15:06 ` [RFC PATCH v2 1/2] ovl: Define D_REAL_FILEDATA for d_real to return dentry with data Stefan Berger
2024-04-23  5:54   ` Amir Goldstein
2024-04-22 15:06 ` [RFC PATCH v2 2/2] ima: Fix detection of read/write violations on stacked filesystems Stefan Berger
2024-04-22 16:15   ` Roberto Sassu
2024-04-23  6:02 ` [RFC PATCH v2 0/2] " Amir Goldstein
2024-04-23 10:53   ` Stefan Berger
2024-04-23 13:20   ` Roberto Sassu
2024-04-23 14:30     ` Amir Goldstein
2024-04-26  9:51       ` Christian Brauner
2024-04-25 11:30   ` Roberto Sassu
2024-04-25 12:37     ` Amir Goldstein
2024-04-26  7:34       ` Roberto Sassu
2024-04-27  9:03         ` Amir Goldstein
2024-05-06 12:34           ` Roberto Sassu

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