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-rw-r--r--fs/btrfs/qgroup.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/fs/btrfs/qgroup.c b/fs/btrfs/qgroup.c
index 17881ad8..4ec86b3 100644
--- a/fs/btrfs/qgroup.c
+++ b/fs/btrfs/qgroup.c
@@ -2230,6 +2230,11 @@ int btrfs_qgroup_inherit(struct btrfs_trans_handle *trans,
ret = -EINVAL;
goto out;
}
+
+ if ((srcgroup->qgroupid >> 48) <= (objectid >> 48)) {
+ ret = -EINVAL;
+ goto out;
+ }
++i_qgroups;
}
}
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