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Message-Id: <1348489434-22778-1-git-send-email-dmonakhov@openvz.org>
Date: Mon, 24 Sep 2012 16:23:50 +0400
From: Dmitry Monakhov <dmonakhov@...nvz.org>
To: linux-ext4@...r.kernel.org
Cc: tytso@....edu, a-fujita@...jp.nec.com,
Dmitry Monakhov <dmonakhov@...nvz.org>
Subject: [PATCH 0/4] ext4: ioc_move_ext fixes
Currenty EXT4_IOC_MOVE_EXT is very dangerous call because anyone who
has write perm is able to call it and trigger kernel panic. Even more
all kernel since v2.6.30-6558-g748de67 are affected, so current
Debian and Redhat server solutions are dangerous.
Tests are available here:
http://www.spinics.net/lists/linux-fsdevel/msg58316.html
Or here:
https://github.com/dmonakhov/xfstests/tree/ce8e3adab629b2a9be8ba2e73db7dad49eb46614
288'th test
This patchset attempt to close all known bugs, so it survived after
all tests i know.
TOC:
ext4: move_extent code cleanup
ext4: online defrag is not supported for journaled files
ext4: basic bug shield for move_extent_per_page V2
ext4: reimplement uninit extent optimization for move_extent_per_page V2
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