summaryrefslogtreecommitdiffstats
path: root/fs/xfs/libxfs/xfs_bmap.c
diff options
context:
space:
mode:
Diffstat (limited to 'fs/xfs/libxfs/xfs_bmap.c')
-rw-r--r--fs/xfs/libxfs/xfs_bmap.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/fs/xfs/libxfs/xfs_bmap.c b/fs/xfs/libxfs/xfs_bmap.c
index d9a692484eae..de9c27ef68d8 100644
--- a/fs/xfs/libxfs/xfs_bmap.c
+++ b/fs/xfs/libxfs/xfs_bmap.c
@@ -6229,6 +6229,11 @@ xfs_bmap_validate_extent(
xfs_fsblock_t endfsb;
bool isrt;
+ if (irec->br_startblock + irec->br_blockcount <= irec->br_startblock)
+ return __this_address;
+ if (irec->br_startoff + irec->br_blockcount <= irec->br_startoff)
+ return __this_address;
+
isrt = XFS_IS_REALTIME_INODE(ip);
endfsb = irec->br_startblock + irec->br_blockcount - 1;
if (isrt && whichfork == XFS_DATA_FORK) {