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xfs: mark nonzero sb_gquotino as corrupt on metadir filesystems

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On a metadir filesystem, the superblock gquotino field is always zero
because we find the quota inodes through the metadata directory tree.
A nonzero value is therefore a corruption (as pointed out by LOLLM) so
mark the failure as such.

Cc: stable@vger.kernel.org # v6.13
Fixes: 06b20ef09b ("xfs: check pre-metadir fields correctly")
Signed-off-by: "Darrick J. Wong" <djwong@kernel.org>
Assisted-by: LOLLM # finding obvious bugs
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Carlos Maiolino <cem@kernel.org>
This commit is contained in:
Darrick J. Wong 2026-07-20 20:24:48 -07:00 committed by Carlos Maiolino
parent 49933254ba
commit b28d23c516
1 changed files with 1 additions and 1 deletions
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2
fs/xfs/scrub/agheader.c
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@ -266,7 +266,7 @@ xchk_superblock(
xchk_block_set_corrupt(sc, bp);
if (sb->sb_gquotino != cpu_to_be64(0))
xchk_block_set_preen(sc, bp);
xchk_block_set_corrupt(sc, bp);
} else {
if (sb->sb_uquotino != cpu_to_be64(mp->m_sb.sb_uquotino))
xchk_block_set_preen(sc, bp);