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xfs: fix scrub stats file permissions

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commit e610e856b938a1fc86e7ee83ad2f39716082bca7 upstream.

When the kernel is in lockdown mode, debugfs will only show files that
are world-readable and cannot be written, mmaped, or used with ioctl.
That more or less describes the scrub stats file, except that the
permissions are wrong -- they should be 0444, not 0644.  You can't write
the stats file, so the 0200 makes no sense.

Meanwhile, the clear_stats file is only writable, but it got mode 0400
instead of 0200, which would make more sense.

Fix both files so that they make sense.

Fixes: d7a74cad8f451 ("xfs: track usage statistics of online fsck")
Signed-off-by: "Darrick J. Wong" <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Chandan Babu R <chandanbabu@kernel.org>
Signed-off-by: Catherine Hoang <catherine.hoang@oracle.com>
Acked-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Darrick J. Wong 2024-06-17 16:03:49 -07:00 committed by Greg Kroah-Hartman
parent 20bccdb03a
commit 7f0e5af269
1 changed files with 2 additions and 2 deletions
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4
fs/xfs/scrub/stats.c
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@ -329,9 +329,9 @@ xchk_stats_register(
if (!cs->cs_debugfs)
return;
debugfs_create_file("stats", 0644, cs->cs_debugfs, cs,
debugfs_create_file("stats", 0444, cs->cs_debugfs, cs,
&scrub_stats_fops);
debugfs_create_file("clear_stats", 0400, cs->cs_debugfs, cs,
debugfs_create_file("clear_stats", 0200, cs->cs_debugfs, cs,
&clear_scrub_stats_fops);
}