1// SPDX-License-Identifier: GPL-2.0
2/* Converted from tools/testing/selftests/bpf/verifier/cgroup_inv_retcode.c */
3
4#include <linux/bpf.h>
5#include <bpf/bpf_helpers.h>
6#include "bpf_misc.h"
7
8SEC("cgroup/sock")
9__description("bpf_exit with invalid return code. test1")
10__failure __msg("smin=0 smax=4294967295 should have been in [0, 1]")
11__naked void with_invalid_return_code_test1(void)
12{
13	asm volatile ("					\
14	r0 = *(u32*)(r1 + 0);				\
15	exit;						\
16"	::: __clobber_all);
17}
18
19SEC("cgroup/sock")
20__description("bpf_exit with invalid return code. test2")
21__success
22__naked void with_invalid_return_code_test2(void)
23{
24	asm volatile ("					\
25	r0 = *(u32*)(r1 + 0);				\
26	r0 &= 1;					\
27	exit;						\
28"	::: __clobber_all);
29}
30
31SEC("cgroup/sock")
32__description("bpf_exit with invalid return code. test3")
33__failure __msg("smin=0 smax=3 should have been in [0, 1]")
34__naked void with_invalid_return_code_test3(void)
35{
36	asm volatile ("					\
37	r0 = *(u32*)(r1 + 0);				\
38	r0 &= 3;					\
39	exit;						\
40"	::: __clobber_all);
41}
42
43SEC("cgroup/sock")
44__description("bpf_exit with invalid return code. test4")
45__success
46__naked void with_invalid_return_code_test4(void)
47{
48	asm volatile ("					\
49	r0 = 1;						\
50	exit;						\
51"	::: __clobber_all);
52}
53
54SEC("cgroup/sock")
55__description("bpf_exit with invalid return code. test5")
56__failure __msg("smin=2 smax=2 should have been in [0, 1]")
57__naked void with_invalid_return_code_test5(void)
58{
59	asm volatile ("					\
60	r0 = 2;						\
61	exit;						\
62"	::: __clobber_all);
63}
64
65SEC("cgroup/sock")
66__description("bpf_exit with invalid return code. test6")
67__failure __msg("R0 is not a known value (ctx)")
68__naked void with_invalid_return_code_test6(void)
69{
70	asm volatile ("					\
71	r0 = r1;					\
72	exit;						\
73"	::: __clobber_all);
74}
75
76SEC("cgroup/sock")
77__description("bpf_exit with invalid return code. test7")
78__failure __msg("R0 has unknown scalar value should have been in [0, 1]")
79__naked void with_invalid_return_code_test7(void)
80{
81	asm volatile ("					\
82	r0 = *(u32*)(r1 + 0);				\
83	r2 = *(u32*)(r1 + 4);				\
84	r0 *= r2;					\
85	exit;						\
86"	::: __clobber_all);
87}
88
89char _license[] SEC("license") = "GPL";
90