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Diffstat (limited to 'tools/testing/selftests/bpf/progs/test_global_func17.c')
-rw-r--r--tools/testing/selftests/bpf/progs/test_global_func17.c19
1 files changed, 19 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/progs/test_global_func17.c b/tools/testing/selftests/bpf/progs/test_global_func17.c
new file mode 100644
index 000000000000..5de44b09e8ec
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_global_func17.c
@@ -0,0 +1,19 @@
+// SPDX-License-Identifier: GPL-2.0-only
+#include <vmlinux.h>
+#include <bpf/bpf_helpers.h>
+#include "bpf_misc.h"
+
+__noinline int foo(int *p)
+{
+ barrier_var(p);
+ return p ? (*p = 42) : 0;
+}
+
+const volatile int i;
+
+SEC("tc")
+__failure __msg("Caller passes invalid args into func#1")
+int global_func17(struct __sk_buff *skb)
+{
+ return foo((int *)&i);
+}