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From: ashwin-h <ashwinh@vmware.com>
To: <tytso@mit.edu>, <adilger.kernel@dilger.ca>
Cc: <linux-ext4@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
	<stable@kernel.org>, <srivatsab@vmware.com>,
	<srivatsa@csail.mit.edu>, <rostedt@goodmis.org>,
	<srostedt@vmware.com>, <gregkh@linuxfoundation.org>,
	<ashwin.hiranniah@gmail.com>, ashwin-h <ashwinh@vmware.com>
Subject: [PATCH 0/5] Backport to 4.14 - ext4: protect journal inode's blocks using block_validity
Date: Thu, 30 Apr 2020 09:52:02 +0530	[thread overview]
Message-ID: <cover.1588189373.git.ashwinh@vmware.com> (raw)

[PATCH 1/5] ext4: avoid declaring fs inconsistent due to invalid file
handles
This patch is backported as functionality in this commit is used by
Patch 2 in this patchset.

[PATCH 2/5] ext4: protect journal inode's blocks using block_validity
Backport to 4.14

[PATCH 3/5] ext4: don't perform block validity checks on the journal
[PATCH 4/5] ext4: fix block validity checks for journal inodes using
[PATCH 5/5] ext4: unsigned int compared against zero
Fixes issues found in Patch 2 in this patchset.


These patches addresses CVE-2019-19319


Colin Ian King (1):
  ext4: unsigned int compared against zero

Theodore Ts'o (4):
  ext4: avoid declaring fs inconsistent due to invalid file handles
  ext4: protect journal inode's blocks using block_validity
  ext4: don't perform block validity checks on the journal inode
  ext4: fix block validity checks for journal inodes using indirect
    blocks

 fs/ext4/block_validity.c | 54 ++++++++++++++++++++++++++++++++++++++++++++++++
 fs/ext4/ext4.h           | 15 ++++++++++++--
 fs/ext4/extents.c        | 12 +++++++----
 fs/ext4/ialloc.c         |  2 +-
 fs/ext4/inode.c          | 53 +++++++++++++++++++++++++++++++++--------------
 fs/ext4/ioctl.c          |  2 +-
 fs/ext4/namei.c          |  4 ++--
 fs/ext4/resize.c         |  5 +++--
 fs/ext4/super.c          | 19 +++++------------
 fs/ext4/xattr.c          |  5 +++--
 10 files changed, 128 insertions(+), 43 deletions(-)

-- 
2.7.4


             reply	other threads:[~2020-04-29 20:33 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-04-30  4:22 ashwin-h [this message]
2020-04-30  4:22 ` [PATCH 1/5] ext4: avoid declaring fs inconsistent due to invalid file handles ashwin-h
2020-04-30  4:22 ` [PATCH 2/5] ext4: protect journal inode's blocks using block_validity ashwin-h
2020-04-30  4:22 ` [PATCH 3/5] ext4: don't perform block validity checks on the journal inode ashwin-h
2020-04-30  4:22 ` [PATCH 4/5] ext4: fix block validity checks for journal inodes using indirect blocks ashwin-h
2020-04-30  4:22 ` [PATCH 5/5] ext4: unsigned int compared against zero ashwin-h

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