| // SPDX-License-Identifier: GPL-2.0 |
| /* Converted from tools/testing/selftests/bpf/verifier/cgroup_inv_retcode.c */ |
| |
| #include <linux/bpf.h> |
| #include <bpf/bpf_helpers.h> |
| #include "bpf_misc.h" |
| |
| SEC("cgroup/sock") |
| __description("bpf_exit with invalid return code. test1") |
| __failure __msg("smin=0 smax=4294967295 should have been in [0, 1]") |
| __naked void with_invalid_return_code_test1(void) |
| { |
| asm volatile (" \ |
| r0 = *(u32*)(r1 + 0); \ |
| exit; \ |
| " ::: __clobber_all); |
| } |
| |
| SEC("cgroup/sock") |
| __description("bpf_exit with invalid return code. test2") |
| __success |
| __naked void with_invalid_return_code_test2(void) |
| { |
| asm volatile (" \ |
| r0 = *(u32*)(r1 + 0); \ |
| r0 &= 1; \ |
| exit; \ |
| " ::: __clobber_all); |
| } |
| |
| SEC("cgroup/sock") |
| __description("bpf_exit with invalid return code. test3") |
| __failure __msg("smin=0 smax=3 should have been in [0, 1]") |
| __naked void with_invalid_return_code_test3(void) |
| { |
| asm volatile (" \ |
| r0 = *(u32*)(r1 + 0); \ |
| r0 &= 3; \ |
| exit; \ |
| " ::: __clobber_all); |
| } |
| |
| SEC("cgroup/sock") |
| __description("bpf_exit with invalid return code. test4") |
| __success |
| __naked void with_invalid_return_code_test4(void) |
| { |
| asm volatile (" \ |
| r0 = 1; \ |
| exit; \ |
| " ::: __clobber_all); |
| } |
| |
| SEC("cgroup/sock") |
| __description("bpf_exit with invalid return code. test5") |
| __failure __msg("smin=2 smax=2 should have been in [0, 1]") |
| __naked void with_invalid_return_code_test5(void) |
| { |
| asm volatile (" \ |
| r0 = 2; \ |
| exit; \ |
| " ::: __clobber_all); |
| } |
| |
| SEC("cgroup/sock") |
| __description("bpf_exit with invalid return code. test6") |
| __failure __msg("R0 is not a known value (ctx)") |
| __naked void with_invalid_return_code_test6(void) |
| { |
| asm volatile (" \ |
| r0 = r1; \ |
| exit; \ |
| " ::: __clobber_all); |
| } |
| |
| SEC("cgroup/sock") |
| __description("bpf_exit with invalid return code. test7") |
| __failure __msg("R0 has unknown scalar value should have been in [0, 1]") |
| __naked void with_invalid_return_code_test7(void) |
| { |
| asm volatile (" \ |
| r0 = *(u32*)(r1 + 0); \ |
| r2 = *(u32*)(r1 + 4); \ |
| r0 *= r2; \ |
| exit; \ |
| " ::: __clobber_all); |
| } |
| |
| char _license[] SEC("license") = "GPL"; |