1047687a7SEduard Zingerman // SPDX-License-Identifier: GPL-2.0 2047687a7SEduard Zingerman /* Converted from tools/testing/selftests/bpf/verifier/cgroup_inv_retcode.c */ 3047687a7SEduard Zingerman 4047687a7SEduard Zingerman #include <linux/bpf.h> 5047687a7SEduard Zingerman #include <bpf/bpf_helpers.h> 6047687a7SEduard Zingerman #include "bpf_misc.h" 7047687a7SEduard Zingerman 8047687a7SEduard Zingerman SEC("cgroup/sock") 9047687a7SEduard Zingerman __description("bpf_exit with invalid return code. test1") 10*c871d0e0SAndrii Nakryiko __failure __msg("smin=0 smax=4294967295 should have been in [0, 1]") with_invalid_return_code_test1(void)11047687a7SEduard Zingerman__naked void with_invalid_return_code_test1(void) 12047687a7SEduard Zingerman { 13047687a7SEduard Zingerman asm volatile (" \ 14047687a7SEduard Zingerman r0 = *(u32*)(r1 + 0); \ 15047687a7SEduard Zingerman exit; \ 16047687a7SEduard Zingerman " ::: __clobber_all); 17047687a7SEduard Zingerman } 18047687a7SEduard Zingerman 19047687a7SEduard Zingerman SEC("cgroup/sock") 20047687a7SEduard Zingerman __description("bpf_exit with invalid return code. test2") 21047687a7SEduard Zingerman __success with_invalid_return_code_test2(void)22047687a7SEduard Zingerman__naked void with_invalid_return_code_test2(void) 23047687a7SEduard Zingerman { 24047687a7SEduard Zingerman asm volatile (" \ 25047687a7SEduard Zingerman r0 = *(u32*)(r1 + 0); \ 26047687a7SEduard Zingerman r0 &= 1; \ 27047687a7SEduard Zingerman exit; \ 28047687a7SEduard Zingerman " ::: __clobber_all); 29047687a7SEduard Zingerman } 30047687a7SEduard Zingerman 31047687a7SEduard Zingerman SEC("cgroup/sock") 32047687a7SEduard Zingerman __description("bpf_exit with invalid return code. test3") 33*c871d0e0SAndrii Nakryiko __failure __msg("smin=0 smax=3 should have been in [0, 1]") with_invalid_return_code_test3(void)34047687a7SEduard Zingerman__naked void with_invalid_return_code_test3(void) 35047687a7SEduard Zingerman { 36047687a7SEduard Zingerman asm volatile (" \ 37047687a7SEduard Zingerman r0 = *(u32*)(r1 + 0); \ 38047687a7SEduard Zingerman r0 &= 3; \ 39047687a7SEduard Zingerman exit; \ 40047687a7SEduard Zingerman " ::: __clobber_all); 41047687a7SEduard Zingerman } 42047687a7SEduard Zingerman 43047687a7SEduard Zingerman SEC("cgroup/sock") 44047687a7SEduard Zingerman __description("bpf_exit with invalid return code. test4") 45047687a7SEduard Zingerman __success with_invalid_return_code_test4(void)46047687a7SEduard Zingerman__naked void with_invalid_return_code_test4(void) 47047687a7SEduard Zingerman { 48047687a7SEduard Zingerman asm volatile (" \ 49047687a7SEduard Zingerman r0 = 1; \ 50047687a7SEduard Zingerman exit; \ 51047687a7SEduard Zingerman " ::: __clobber_all); 52047687a7SEduard Zingerman } 53047687a7SEduard Zingerman 54047687a7SEduard Zingerman SEC("cgroup/sock") 55047687a7SEduard Zingerman __description("bpf_exit with invalid return code. test5") 56*c871d0e0SAndrii Nakryiko __failure __msg("smin=2 smax=2 should have been in [0, 1]") with_invalid_return_code_test5(void)57047687a7SEduard Zingerman__naked void with_invalid_return_code_test5(void) 58047687a7SEduard Zingerman { 59047687a7SEduard Zingerman asm volatile (" \ 60047687a7SEduard Zingerman r0 = 2; \ 61047687a7SEduard Zingerman exit; \ 62047687a7SEduard Zingerman " ::: __clobber_all); 63047687a7SEduard Zingerman } 64047687a7SEduard Zingerman 65047687a7SEduard Zingerman SEC("cgroup/sock") 66047687a7SEduard Zingerman __description("bpf_exit with invalid return code. test6") 67047687a7SEduard Zingerman __failure __msg("R0 is not a known value (ctx)") with_invalid_return_code_test6(void)68047687a7SEduard Zingerman__naked void with_invalid_return_code_test6(void) 69047687a7SEduard Zingerman { 70047687a7SEduard Zingerman asm volatile (" \ 71047687a7SEduard Zingerman r0 = r1; \ 72047687a7SEduard Zingerman exit; \ 73047687a7SEduard Zingerman " ::: __clobber_all); 74047687a7SEduard Zingerman } 75047687a7SEduard Zingerman 76047687a7SEduard Zingerman SEC("cgroup/sock") 77047687a7SEduard Zingerman __description("bpf_exit with invalid return code. test7") 78*c871d0e0SAndrii Nakryiko __failure __msg("R0 has unknown scalar value should have been in [0, 1]") with_invalid_return_code_test7(void)79047687a7SEduard Zingerman__naked void with_invalid_return_code_test7(void) 80047687a7SEduard Zingerman { 81047687a7SEduard Zingerman asm volatile (" \ 82047687a7SEduard Zingerman r0 = *(u32*)(r1 + 0); \ 83047687a7SEduard Zingerman r2 = *(u32*)(r1 + 4); \ 84047687a7SEduard Zingerman r0 *= r2; \ 85047687a7SEduard Zingerman exit; \ 86047687a7SEduard Zingerman " ::: __clobber_all); 87047687a7SEduard Zingerman } 88047687a7SEduard Zingerman 89047687a7SEduard Zingerman char _license[] SEC("license") = "GPL"; 90