From: Eduard Zingerman <eddyz87@gmail.com>
To: bpf@vger.kernel.org, ast@kernel.org
Cc: andrii@kernel.org, daniel@iogearbox.net, martin.lau@linux.dev,
kernel-team@fb.com, yhs@fb.com,
Eduard Zingerman <eddyz87@gmail.com>
Subject: [PATCH bpf-next 12/43] selftests/bpf: verifier/cgroup_inv_retcode.c converted to inline assembly
Date: Sat, 25 Mar 2023 04:54:53 +0200 [thread overview]
Message-ID: <20230325025524.144043-13-eddyz87@gmail.com> (raw)
In-Reply-To: <20230325025524.144043-1-eddyz87@gmail.com>
Test verifier/cgroup_inv_retcode.c automatically converted to use inline assembly.
Signed-off-by: Eduard Zingerman <eddyz87@gmail.com>
---
.../selftests/bpf/prog_tests/verifier.c | 2 +
.../bpf/progs/verifier_cgroup_inv_retcode.c | 89 +++++++++++++++++++
.../bpf/verifier/cgroup_inv_retcode.c | 72 ---------------
3 files changed, 91 insertions(+), 72 deletions(-)
create mode 100644 tools/testing/selftests/bpf/progs/verifier_cgroup_inv_retcode.c
delete mode 100644 tools/testing/selftests/bpf/verifier/cgroup_inv_retcode.c
diff --git a/tools/testing/selftests/bpf/prog_tests/verifier.c b/tools/testing/selftests/bpf/prog_tests/verifier.c
index 46182abecabb..b138c9894abb 100644
--- a/tools/testing/selftests/bpf/prog_tests/verifier.c
+++ b/tools/testing/selftests/bpf/prog_tests/verifier.c
@@ -9,6 +9,7 @@
#include "verifier_bounds_deduction.skel.h"
#include "verifier_bounds_mix_sign_unsign.skel.h"
#include "verifier_cfg.skel.h"
+#include "verifier_cgroup_inv_retcode.skel.h"
__maybe_unused
static void run_tests_aux(const char *skel_name, skel_elf_bytes_fn elf_bytes_factory)
@@ -40,3 +41,4 @@ void test_verifier_basic_stack(void) { RUN(verifier_basic_stack); }
void test_verifier_bounds_deduction(void) { RUN(verifier_bounds_deduction); }
void test_verifier_bounds_mix_sign_unsign(void) { RUN(verifier_bounds_mix_sign_unsign); }
void test_verifier_cfg(void) { RUN(verifier_cfg); }
+void test_verifier_cgroup_inv_retcode(void) { RUN(verifier_cgroup_inv_retcode); }
diff --git a/tools/testing/selftests/bpf/progs/verifier_cgroup_inv_retcode.c b/tools/testing/selftests/bpf/progs/verifier_cgroup_inv_retcode.c
new file mode 100644
index 000000000000..d6c4a7f3f790
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/verifier_cgroup_inv_retcode.c
@@ -0,0 +1,89 @@
+// 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("R0 has value (0x0; 0xffffffff)")
+__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("R0 has value (0x0; 0x3)")
+__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("R0 has value (0x2; 0x0)")
+__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")
+__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";
diff --git a/tools/testing/selftests/bpf/verifier/cgroup_inv_retcode.c b/tools/testing/selftests/bpf/verifier/cgroup_inv_retcode.c
deleted file mode 100644
index 6d65fe3e7321..000000000000
--- a/tools/testing/selftests/bpf/verifier/cgroup_inv_retcode.c
+++ /dev/null
@@ -1,72 +0,0 @@
-{
- "bpf_exit with invalid return code. test1",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, 0),
- BPF_EXIT_INSN(),
- },
- .errstr = "R0 has value (0x0; 0xffffffff)",
- .result = REJECT,
- .prog_type = BPF_PROG_TYPE_CGROUP_SOCK,
-},
-{
- "bpf_exit with invalid return code. test2",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, 0),
- BPF_ALU64_IMM(BPF_AND, BPF_REG_0, 1),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_CGROUP_SOCK,
-},
-{
- "bpf_exit with invalid return code. test3",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, 0),
- BPF_ALU64_IMM(BPF_AND, BPF_REG_0, 3),
- BPF_EXIT_INSN(),
- },
- .errstr = "R0 has value (0x0; 0x3)",
- .result = REJECT,
- .prog_type = BPF_PROG_TYPE_CGROUP_SOCK,
-},
-{
- "bpf_exit with invalid return code. test4",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_0, 1),
- BPF_EXIT_INSN(),
- },
- .result = ACCEPT,
- .prog_type = BPF_PROG_TYPE_CGROUP_SOCK,
-},
-{
- "bpf_exit with invalid return code. test5",
- .insns = {
- BPF_MOV64_IMM(BPF_REG_0, 2),
- BPF_EXIT_INSN(),
- },
- .errstr = "R0 has value (0x2; 0x0)",
- .result = REJECT,
- .prog_type = BPF_PROG_TYPE_CGROUP_SOCK,
-},
-{
- "bpf_exit with invalid return code. test6",
- .insns = {
- BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
- BPF_EXIT_INSN(),
- },
- .errstr = "R0 is not a known value (ctx)",
- .result = REJECT,
- .prog_type = BPF_PROG_TYPE_CGROUP_SOCK,
-},
-{
- "bpf_exit with invalid return code. test7",
- .insns = {
- BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, 0),
- BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, 4),
- BPF_ALU64_REG(BPF_MUL, BPF_REG_0, BPF_REG_2),
- BPF_EXIT_INSN(),
- },
- .errstr = "R0 has unknown scalar value",
- .result = REJECT,
- .prog_type = BPF_PROG_TYPE_CGROUP_SOCK,
-},
--
2.40.0
next prev parent reply other threads:[~2023-03-25 2:56 UTC|newest]
Thread overview: 60+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-03-25 2:54 [PATCH bpf-next 00/43] First set of verifier/*.c migrated to inline assembly Eduard Zingerman
2023-03-25 2:54 ` [PATCH bpf-next 01/43] selftests/bpf: Report program name on parse_test_spec error Eduard Zingerman
2023-03-25 2:54 ` [PATCH bpf-next 02/43] selftests/bpf: __imm_insn & __imm_const macro for bpf_misc.h Eduard Zingerman
2023-03-25 2:54 ` [PATCH bpf-next 03/43] selftests/bpf: Unprivileged tests for test_loader.c Eduard Zingerman
2023-03-25 2:54 ` [PATCH bpf-next 04/43] selftests/bpf: Tests execution support " Eduard Zingerman
2023-03-25 2:54 ` [PATCH bpf-next 05/43] selftests/bpf: prog_tests entry point for migrated test_verifier tests Eduard Zingerman
2023-03-25 2:54 ` [PATCH bpf-next 06/43] selftests/bpf: verifier/and.c converted to inline assembly Eduard Zingerman
2023-03-25 2:54 ` [PATCH bpf-next 07/43] selftests/bpf: verifier/array_access.c " Eduard Zingerman
2023-03-25 2:54 ` [PATCH bpf-next 08/43] selftests/bpf: verifier/basic_stack.c " Eduard Zingerman
2023-03-25 2:54 ` [PATCH bpf-next 09/43] selftests/bpf: verifier/bounds_deduction.c " Eduard Zingerman
2023-03-25 2:54 ` [PATCH bpf-next 10/43] selftests/bpf: verifier/bounds_mix_sign_unsign.c " Eduard Zingerman
2023-03-25 2:54 ` [PATCH bpf-next 11/43] selftests/bpf: verifier/cfg.c " Eduard Zingerman
2023-03-25 2:54 ` Eduard Zingerman [this message]
2023-03-25 2:54 ` [PATCH bpf-next 13/43] selftests/bpf: verifier/cgroup_skb.c " Eduard Zingerman
2023-03-25 2:54 ` [PATCH bpf-next 14/43] selftests/bpf: verifier/cgroup_storage.c " Eduard Zingerman
2023-03-25 2:54 ` [PATCH bpf-next 15/43] selftests/bpf: verifier/const_or.c " Eduard Zingerman
2023-03-25 2:54 ` [PATCH bpf-next 16/43] selftests/bpf: verifier/ctx_sk_msg.c " Eduard Zingerman
2023-03-25 2:54 ` [PATCH bpf-next 17/43] selftests/bpf: verifier/direct_stack_access_wraparound.c " Eduard Zingerman
2023-03-25 2:54 ` [PATCH bpf-next 18/43] selftests/bpf: verifier/div0.c " Eduard Zingerman
2023-03-25 2:55 ` [PATCH bpf-next 19/43] selftests/bpf: verifier/div_overflow.c " Eduard Zingerman
2023-03-25 2:55 ` [PATCH bpf-next 20/43] selftests/bpf: verifier/helper_access_var_len.c " Eduard Zingerman
2023-03-25 2:55 ` [PATCH bpf-next 21/43] selftests/bpf: verifier/helper_packet_access.c " Eduard Zingerman
2023-03-25 2:55 ` [PATCH bpf-next 22/43] selftests/bpf: verifier/helper_restricted.c " Eduard Zingerman
2023-03-25 2:55 ` [PATCH bpf-next 23/43] selftests/bpf: verifier/helper_value_access.c " Eduard Zingerman
2023-03-25 2:55 ` [PATCH bpf-next 24/43] selftests/bpf: verifier/int_ptr.c " Eduard Zingerman
2023-03-25 2:55 ` [PATCH bpf-next 25/43] selftests/bpf: verifier/ld_ind.c " Eduard Zingerman
2023-03-25 2:55 ` [PATCH bpf-next 26/43] selftests/bpf: verifier/leak_ptr.c " Eduard Zingerman
2023-03-25 2:55 ` [PATCH bpf-next 27/43] selftests/bpf: verifier/map_ptr.c " Eduard Zingerman
2023-03-25 2:55 ` [PATCH bpf-next 28/43] selftests/bpf: verifier/map_ret_val.c " Eduard Zingerman
2023-03-25 2:55 ` [PATCH bpf-next 29/43] selftests/bpf: verifier/masking.c " Eduard Zingerman
2023-03-25 2:55 ` [PATCH bpf-next 30/43] selftests/bpf: verifier/meta_access.c " Eduard Zingerman
2023-03-25 2:55 ` [PATCH bpf-next 31/43] selftests/bpf: verifier/raw_stack.c " Eduard Zingerman
2023-03-25 2:55 ` [PATCH bpf-next 32/43] selftests/bpf: verifier/raw_tp_writable.c " Eduard Zingerman
2023-03-25 2:55 ` [PATCH bpf-next 33/43] selftests/bpf: verifier/ringbuf.c " Eduard Zingerman
2023-03-25 2:55 ` [PATCH bpf-next 34/43] selftests/bpf: verifier/spill_fill.c " Eduard Zingerman
2023-03-25 2:55 ` [PATCH bpf-next 35/43] selftests/bpf: verifier/stack_ptr.c " Eduard Zingerman
2023-03-25 2:55 ` [PATCH bpf-next 36/43] selftests/bpf: verifier/uninit.c " Eduard Zingerman
2023-03-25 2:55 ` [PATCH bpf-next 37/43] selftests/bpf: verifier/value_adj_spill.c " Eduard Zingerman
2023-03-25 2:55 ` [PATCH bpf-next 38/43] selftests/bpf: verifier/value.c " Eduard Zingerman
2023-03-25 2:55 ` [PATCH bpf-next 39/43] selftests/bpf: verifier/value_or_null.c " Eduard Zingerman
2023-03-25 2:55 ` [PATCH bpf-next 40/43] selftests/bpf: verifier/var_off.c " Eduard Zingerman
2023-03-25 2:55 ` [PATCH bpf-next 41/43] selftests/bpf: verifier/xadd.c " Eduard Zingerman
2023-03-25 2:55 ` [PATCH bpf-next 42/43] selftests/bpf: verifier/xdp.c " Eduard Zingerman
2023-03-25 3:23 ` [PATCH bpf-next 00/43] First set of verifier/*.c migrated " Stanislav Fomichev
2023-03-25 12:20 ` Eduard Zingerman
2023-03-25 16:16 ` Stanislav Fomichev
2023-03-26 1:19 ` Alexei Starovoitov
2023-03-27 3:15 ` Andrii Nakryiko
2023-03-27 3:57 ` Alexei Starovoitov
2023-03-27 11:26 ` Eduard Zingerman
2023-03-27 16:35 ` Andrii Nakryiko
2023-03-27 16:37 ` Andrii Nakryiko
2023-03-26 1:32 ` patchwork-bot+netdevbpf
2023-03-28 3:48 ` Daniel Borkmann
2023-03-28 21:52 ` Eduard Zingerman
2023-03-28 22:24 ` Andrii Nakryiko
2023-03-28 22:38 ` Eduard Zingerman
2023-03-28 23:31 ` Alexei Starovoitov
2023-03-29 0:11 ` Andrii Nakryiko
2023-03-29 0:07 ` Andrii Nakryiko
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