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(parent: edd8276) | patch
xfs: fix bounds check in xfs_defer_agfl_block()
authorDave Chinner <dchinner@redhat.com>
Wed, 28 Jun 2023 18:04:34 +0000 (11:04 -0700)
committerDarrick J. Wong <djwong@kernel.org>
Thu, 29 Jun 2023 16:28:24 +0000 (09:28 -0700)
commit2bed0d82c2f78b91a0a9a5a73da57ee883a0c070
treeb716d96226cb2c8463128b6d6b88e637ea635a3atree | snapshot
parentedd8276dd70279c29d412d99b99c2c0cac1b2cddcommit | diff
xfs: fix bounds check in xfs_defer_agfl_block()

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: 7dfee17b13e5 ("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>
fs/xfs/libxfs/xfs_alloc.c diff | blob | history
Domain: System / Kernel;