xfs: fix bounds check in xfs_defer_agfl_block()

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Need to happen before we allocate and then leak the xefi. Found by
coverity via an xfsprogs libxfs scan.

[djwong: This also fixes the type of the @agbno argument.]

Fixes: 7dfee17b13 ("xfs: validate block number being freed before adding to xefi")
Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Darrick J. Wong <djwong@kernel.org>

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Dave Chinner 2023-06-28 11:04:34 -07:00 • committed by Darrick J. Wong

parent edd8276dd7

commit 2bed0d82c2

1 changed files with 6 additions and 5 deletions

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fs/xfs/libxfs/xfs_alloc.c

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