From: Darrick J. Wong <djwong@kernel.org>
Date: Fri, 30 Aug 2024 22:36:48 +0000 (-0700)
Subject: xfs: validate inumber in xfs_iget
X-Git-Tag: xfs-zoned-2024-21-07~522^2~25^2~2
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=05aba1953f4a6e2b48e13c610e8a4545ba4ef509;p=users%2Fhch%2Fxfs.git

xfs: validate inumber in xfs_iget

Actually use the inumber validator to check the argument passed in here.

Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
---

diff --git a/fs/xfs/xfs_icache.c b/fs/xfs/xfs_icache.c
index cf629302d48e..887d2a01161e 100644
--- a/fs/xfs/xfs_icache.c
+++ b/fs/xfs/xfs_icache.c
@@ -755,7 +755,7 @@ xfs_iget(
 	ASSERT((lock_flags & (XFS_IOLOCK_EXCL | XFS_IOLOCK_SHARED)) == 0);
 
 	/* reject inode numbers outside existing AGs */
-	if (!ino || XFS_INO_TO_AGNO(mp, ino) >= mp->m_sb.sb_agcount)
+	if (!xfs_verify_ino(mp, ino))
 		return -EINVAL;
 
 	XFS_STATS_INC(mp, xs_ig_attempts);