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path: root/tools/testing/selftests/bpf/bpf_testmod/bpf_testmod.c
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Diffstat (limited to 'tools/testing/selftests/bpf/bpf_testmod/bpf_testmod.c')
-rw-r--r--tools/testing/selftests/bpf/bpf_testmod/bpf_testmod.c20
1 files changed, 20 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/bpf_testmod/bpf_testmod.c b/tools/testing/selftests/bpf/bpf_testmod/bpf_testmod.c
index fe847ebfb731..52785ba671e6 100644
--- a/tools/testing/selftests/bpf/bpf_testmod/bpf_testmod.c
+++ b/tools/testing/selftests/bpf/bpf_testmod/bpf_testmod.c
@@ -28,6 +28,11 @@ struct bpf_testmod_struct_arg_2 {
long b;
};
+struct bpf_testmod_struct_arg_3 {
+ int a;
+ int b[];
+};
+
__diag_push();
__diag_ignore_all("-Wmissing-prototypes",
"Global functions as their definitions will be in bpf_testmod.ko BTF");
@@ -63,6 +68,12 @@ bpf_testmod_test_struct_arg_5(void) {
return bpf_testmod_test_struct_arg_result;
}
+noinline int
+bpf_testmod_test_struct_arg_6(struct bpf_testmod_struct_arg_3 *a) {
+ bpf_testmod_test_struct_arg_result = a->b[0];
+ return bpf_testmod_test_struct_arg_result;
+}
+
__bpf_kfunc void
bpf_testmod_test_mod_kfunc(int i)
{
@@ -195,6 +206,7 @@ bpf_testmod_test_read(struct file *file, struct kobject *kobj,
};
struct bpf_testmod_struct_arg_1 struct_arg1 = {10};
struct bpf_testmod_struct_arg_2 struct_arg2 = {2, 3};
+ struct bpf_testmod_struct_arg_3 *struct_arg3;
int i = 1;
while (bpf_testmod_return_ptr(i))
@@ -206,6 +218,14 @@ bpf_testmod_test_read(struct file *file, struct kobject *kobj,
(void)bpf_testmod_test_struct_arg_4(struct_arg1, 1, 2, 3, struct_arg2);
(void)bpf_testmod_test_struct_arg_5();
+ struct_arg3 = kmalloc((sizeof(struct bpf_testmod_struct_arg_3) +
+ sizeof(int)), GFP_KERNEL);
+ if (struct_arg3 != NULL) {
+ struct_arg3->b[0] = 1;
+ (void)bpf_testmod_test_struct_arg_6(struct_arg3);
+ kfree(struct_arg3);
+ }
+
/* This is always true. Use the check to make sure the compiler
* doesn't remove bpf_testmod_loop_test.
*/