xfs: check padding field in xfs_ioc_commit_range

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LOLLM points out that we don't check the ioctl padding field here, so
let's do that.  I don't think there are many users yet since exchrange
requires a new feature flag, so it's a good time to try to plug this
hole.

Cc: stable@vger.kernel.org # v6.12
Fixes: 398597c3ef ("xfs: introduce new file range commit ioctls")
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 2026-09-10 22:53:39 -07:00 • committed by Carlos Maiolino

parent 984aab2d90

commit 3083ba8dde

1 changed files with 1 additions and 1 deletions

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fs/xfs/xfs_exchrange.c

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