| To: | stable@xxxxxxxxxxxxxxx |
|---|---|
| Subject: | XFS hole punch races |
| From: | Jan Kara <jack@xxxxxxx> |
| Date: | Tue, 22 Mar 2016 16:57:40 +0100 |
| Cc: | xfs@xxxxxxxxxxx, Dave Chinner <david@xxxxxxxxxxxxx> |
| Delivered-to: | xfs@xxxxxxxxxxx |
| User-agent: | Mutt/1.5.24 (2015-08-30) |
Hi,
similarly to ext4 also XFS had races between hole punching and page faults
which could result in data corruption. The fixes were merged in 4.1-rc1 but
it might make sense to backport them to older stable releases given the
nature of the issue.
Relevant fixes are:
de0e8c20ba3a65b0f15040aabbefdc1999876e6b
075a924d45cc69c75a35f20b4912b85aa98b180a
e8e9ad42c1f1e1bfbe0e8c32c8cac02e9ebfb7ef
0f9160b444e4de33b65dfcd3b901358a3129461a
723cac48473358939759885a18e8df113ea96138
ec56b1f1fdc69599963574ce94cc5693d535dd64
Honza
--
Jan Kara <jack@xxxxxxxx>
SUSE Labs, CR
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