From: Darrick J. Wong <darrick.wong@oracle.com>
Date: Thu, 24 May 2018 15:54:59 +0000 (-0700)
Subject: xfs: fix inobt magic number check
X-Git-Tag: v5.15~8615^2~61
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=2e050e648ad6c74a2f0a28f645155128be0626ca;p=platform%2Fkernel%2Flinux-starfive.git

xfs: fix inobt magic number check

In commit a6a781a58befcbd467c ("xfs: have buffer verifier functions
report failing address") the bad magic number return was ported
incorrectly.

Fixes: a6a781a58befcbd467ce843af4eaca3906aa1f08
Reported-by: syzbot+08ab33be0178b76851c8@syzkaller.appspotmail.com
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Eric Sandeen <sandeen@redhat.com>
---

diff --git a/fs/xfs/libxfs/xfs_ialloc_btree.c b/fs/xfs/libxfs/xfs_ialloc_btree.c
index ba053a4..b04c555 100644
--- a/fs/xfs/libxfs/xfs_ialloc_btree.c
+++ b/fs/xfs/libxfs/xfs_ialloc_btree.c
@@ -296,7 +296,7 @@ xfs_inobt_verify(
 	case cpu_to_be32(XFS_FIBT_MAGIC):
 		break;
 	default:
-		return NULL;
+		return __this_address;
 	}
 
 	/* level verification */