1 files changed, 3 insertions, 0 deletions

diff --git a/fs/xfs/linux-2.6/xfs_ioctl32.c b/fs/xfs/linux-2.6/xfs_ioctl32.c
index 0046bdd5b7f1..bf2a956b63c2 100644
--- a/fs/xfs/linux-2.6/xfs_ioctl32.c
+++ b/fs/xfs/linux-2.6/xfs_ioctl32.c
@@ -291,6 +291,9 @@ xfs_ioc_bulkstat_compat(
         if ((count = bulkreq.icount) <= 0)
                 return -XFS_ERROR(EINVAL);
 
+        if (bulkreq.ubuffer == NULL)
+                return -XFS_ERROR(EINVAL);
+
         if (cmd == XFS_IOC_FSINUMBERS)
                 error = xfs_inumbers(mp, &inlast, &count,
                                 bulkreq.ubuffer, xfs_inumbers_fmt_compat);