1 files changed, 3 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/progs/tailcall_bpf2bpf6.c b/tools/testing/selftests/bpf/progs/tailcall_bpf2bpf6.c
index 41ce83da78e8..4a9f63bea66c 100644
--- a/tools/testing/selftests/bpf/progs/tailcall_bpf2bpf6.c
+++ b/tools/testing/selftests/bpf/progs/tailcall_bpf2bpf6.c
@@ -1,6 +1,7 @@
 // SPDX-License-Identifier: GPL-2.0
 #include <linux/bpf.h>
 #include <bpf/bpf_helpers.h>
+#include "bpf_misc.h"
 
 #define __unused __attribute__((unused))
 
@@ -36,6 +37,8 @@ int entry(struct __sk_buff *skb)
 	/* Have data on stack which size is not a multiple of 8 */
 	volatile char arr[1] = {};
 
+	__sink(arr[0]);
+
 	return subprog_tail(skb);
 }