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path: root/fs/xfs/xfs_ioctl.c
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Diffstat (limited to 'fs/xfs/xfs_ioctl.c')
-rw-r--r--fs/xfs/xfs_ioctl.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/fs/xfs/xfs_ioctl.c b/fs/xfs/xfs_ioctl.c
index 9a7c87809d3b..cf46658392ce 100644
--- a/fs/xfs/xfs_ioctl.c
+++ b/fs/xfs/xfs_ioctl.c
@@ -387,6 +387,7 @@ xfs_attrlist_by_handle(
{
int error = -ENOMEM;
attrlist_cursor_kern_t *cursor;
+ struct xfs_fsop_attrlist_handlereq __user *p = arg;
xfs_fsop_attrlist_handlereq_t al_hreq;
struct dentry *dentry;
char *kbuf;
@@ -419,6 +420,11 @@ xfs_attrlist_by_handle(
if (error)
goto out_kfree;
+ if (copy_to_user(&p->pos, cursor, sizeof(attrlist_cursor_kern_t))) {
+ error = -EFAULT;
+ goto out_kfree;
+ }
+
if (copy_to_user(al_hreq.buffer, kbuf, al_hreq.buflen))
error = -EFAULT;