[CRIU] [PATCH 5/6] util: extend check_uid() to check criu user

[Ruslan Kuprieiev]

If real UID != task UID, don't dump/restore task.

Signed-off-by: Ruslan Kuprieiev <kupruser at gmail.com>
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---
diff --git a/util.c b/util.c
index e8d1d92..2927e97 100644
--- a/util.c
+++ b/util.c
@@ -610,5 +610,11 @@ int check_uid(uid)
 			return -1;
 		}
 
+	if (opts.uid != uid && opts.uid != 0) {
+		pr_err("UID(%d) != user's UID(%d)\n",
+			uid, opts.uid);
+		return -1;
+	}
+
 	return 0;
 }