xfs: don't spin forever on zero-length dirents when salvaging them

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LOLLM noticed that xrep_dir_recover_data can spin forever if it
encounters an unused dirent that claims to have length zero.  Fix that,
and prevent the same thing from happening with a zero-length entry.

Cc: stable@vger.kernel.org # v6.10
Fixes: b1991ee3e7 ("xfs: online repair of directories")
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>

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Darrick J. Wong 2026-08-26 22:31:10 -07:00 • committed by Carlos Maiolino

parent 0fe77e5758

commit 9f84792b40

1 changed files with 7 additions and 1 deletions

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fs/xfs/scrub/dir_repair.c

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