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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 29/43] selftests/bpf: verifier/masking.c converted to inline assembly
Date: Sat, 25 Mar 2023 04:55:10 +0200	[thread overview]
Message-ID: <20230325025524.144043-30-eddyz87@gmail.com> (raw)
In-Reply-To: <20230325025524.144043-1-eddyz87@gmail.com>

Test verifier/masking.c automatically converted to use inline assembly.

Signed-off-by: Eduard Zingerman <eddyz87@gmail.com>
---
 .../selftests/bpf/prog_tests/verifier.c       |   2 +
 .../selftests/bpf/progs/verifier_masking.c    | 410 ++++++++++++++++++
 .../testing/selftests/bpf/verifier/masking.c  | 322 --------------
 3 files changed, 412 insertions(+), 322 deletions(-)
 create mode 100644 tools/testing/selftests/bpf/progs/verifier_masking.c
 delete mode 100644 tools/testing/selftests/bpf/verifier/masking.c

diff --git a/tools/testing/selftests/bpf/prog_tests/verifier.c b/tools/testing/selftests/bpf/prog_tests/verifier.c
index 5131a73fd225..b23fcbe4f83b 100644
--- a/tools/testing/selftests/bpf/prog_tests/verifier.c
+++ b/tools/testing/selftests/bpf/prog_tests/verifier.c
@@ -26,6 +26,7 @@
 #include "verifier_leak_ptr.skel.h"
 #include "verifier_map_ptr.skel.h"
 #include "verifier_map_ret_val.skel.h"
+#include "verifier_masking.skel.h"
 
 __maybe_unused
 static void run_tests_aux(const char *skel_name, skel_elf_bytes_fn elf_bytes_factory)
@@ -74,3 +75,4 @@ void test_verifier_ld_ind(void)               { RUN(verifier_ld_ind); }
 void test_verifier_leak_ptr(void)             { RUN(verifier_leak_ptr); }
 void test_verifier_map_ptr(void)              { RUN(verifier_map_ptr); }
 void test_verifier_map_ret_val(void)          { RUN(verifier_map_ret_val); }
+void test_verifier_masking(void)              { RUN(verifier_masking); }
diff --git a/tools/testing/selftests/bpf/progs/verifier_masking.c b/tools/testing/selftests/bpf/progs/verifier_masking.c
new file mode 100644
index 000000000000..5732cc1b4c47
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/verifier_masking.c
@@ -0,0 +1,410 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Converted from tools/testing/selftests/bpf/verifier/masking.c */
+
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+#include "bpf_misc.h"
+
+SEC("socket")
+__description("masking, test out of bounds 1")
+__success __success_unpriv __retval(0)
+__naked void test_out_of_bounds_1(void)
+{
+	asm volatile ("					\
+	w1 = 5;						\
+	w2 = %[__imm_0];				\
+	r2 -= r1;					\
+	r2 |= r1;					\
+	r2 = -r2;					\
+	r2 s>>= 63;					\
+	r1 &= r2;					\
+	r0 = r1;					\
+	exit;						\
+"	:
+	: __imm_const(__imm_0, 5 - 1)
+	: __clobber_all);
+}
+
+SEC("socket")
+__description("masking, test out of bounds 2")
+__success __success_unpriv __retval(0)
+__naked void test_out_of_bounds_2(void)
+{
+	asm volatile ("					\
+	w1 = 1;						\
+	w2 = %[__imm_0];				\
+	r2 -= r1;					\
+	r2 |= r1;					\
+	r2 = -r2;					\
+	r2 s>>= 63;					\
+	r1 &= r2;					\
+	r0 = r1;					\
+	exit;						\
+"	:
+	: __imm_const(__imm_0, 1 - 1)
+	: __clobber_all);
+}
+
+SEC("socket")
+__description("masking, test out of bounds 3")
+__success __success_unpriv __retval(0)
+__naked void test_out_of_bounds_3(void)
+{
+	asm volatile ("					\
+	w1 = 0xffffffff;				\
+	w2 = %[__imm_0];				\
+	r2 -= r1;					\
+	r2 |= r1;					\
+	r2 = -r2;					\
+	r2 s>>= 63;					\
+	r1 &= r2;					\
+	r0 = r1;					\
+	exit;						\
+"	:
+	: __imm_const(__imm_0, 0xffffffff - 1)
+	: __clobber_all);
+}
+
+SEC("socket")
+__description("masking, test out of bounds 4")
+__success __success_unpriv __retval(0)
+__naked void test_out_of_bounds_4(void)
+{
+	asm volatile ("					\
+	w1 = 0xffffffff;				\
+	w2 = %[__imm_0];				\
+	r2 -= r1;					\
+	r2 |= r1;					\
+	r2 = -r2;					\
+	r2 s>>= 63;					\
+	r1 &= r2;					\
+	r0 = r1;					\
+	exit;						\
+"	:
+	: __imm_const(__imm_0, 1 - 1)
+	: __clobber_all);
+}
+
+SEC("socket")
+__description("masking, test out of bounds 5")
+__success __success_unpriv __retval(0)
+__naked void test_out_of_bounds_5(void)
+{
+	asm volatile ("					\
+	w1 = -1;					\
+	w2 = %[__imm_0];				\
+	r2 -= r1;					\
+	r2 |= r1;					\
+	r2 = -r2;					\
+	r2 s>>= 63;					\
+	r1 &= r2;					\
+	r0 = r1;					\
+	exit;						\
+"	:
+	: __imm_const(__imm_0, 1 - 1)
+	: __clobber_all);
+}
+
+SEC("socket")
+__description("masking, test out of bounds 6")
+__success __success_unpriv __retval(0)
+__naked void test_out_of_bounds_6(void)
+{
+	asm volatile ("					\
+	w1 = -1;					\
+	w2 = %[__imm_0];				\
+	r2 -= r1;					\
+	r2 |= r1;					\
+	r2 = -r2;					\
+	r2 s>>= 63;					\
+	r1 &= r2;					\
+	r0 = r1;					\
+	exit;						\
+"	:
+	: __imm_const(__imm_0, 0xffffffff - 1)
+	: __clobber_all);
+}
+
+SEC("socket")
+__description("masking, test out of bounds 7")
+__success __success_unpriv __retval(0)
+__naked void test_out_of_bounds_7(void)
+{
+	asm volatile ("					\
+	r1 = 5;						\
+	w2 = %[__imm_0];				\
+	r2 -= r1;					\
+	r2 |= r1;					\
+	r2 = -r2;					\
+	r2 s>>= 63;					\
+	r1 &= r2;					\
+	r0 = r1;					\
+	exit;						\
+"	:
+	: __imm_const(__imm_0, 5 - 1)
+	: __clobber_all);
+}
+
+SEC("socket")
+__description("masking, test out of bounds 8")
+__success __success_unpriv __retval(0)
+__naked void test_out_of_bounds_8(void)
+{
+	asm volatile ("					\
+	r1 = 1;						\
+	w2 = %[__imm_0];				\
+	r2 -= r1;					\
+	r2 |= r1;					\
+	r2 = -r2;					\
+	r2 s>>= 63;					\
+	r1 &= r2;					\
+	r0 = r1;					\
+	exit;						\
+"	:
+	: __imm_const(__imm_0, 1 - 1)
+	: __clobber_all);
+}
+
+SEC("socket")
+__description("masking, test out of bounds 9")
+__success __success_unpriv __retval(0)
+__naked void test_out_of_bounds_9(void)
+{
+	asm volatile ("					\
+	r1 = 0xffffffff;				\
+	w2 = %[__imm_0];				\
+	r2 -= r1;					\
+	r2 |= r1;					\
+	r2 = -r2;					\
+	r2 s>>= 63;					\
+	r1 &= r2;					\
+	r0 = r1;					\
+	exit;						\
+"	:
+	: __imm_const(__imm_0, 0xffffffff - 1)
+	: __clobber_all);
+}
+
+SEC("socket")
+__description("masking, test out of bounds 10")
+__success __success_unpriv __retval(0)
+__naked void test_out_of_bounds_10(void)
+{
+	asm volatile ("					\
+	r1 = 0xffffffff;				\
+	w2 = %[__imm_0];				\
+	r2 -= r1;					\
+	r2 |= r1;					\
+	r2 = -r2;					\
+	r2 s>>= 63;					\
+	r1 &= r2;					\
+	r0 = r1;					\
+	exit;						\
+"	:
+	: __imm_const(__imm_0, 1 - 1)
+	: __clobber_all);
+}
+
+SEC("socket")
+__description("masking, test out of bounds 11")
+__success __success_unpriv __retval(0)
+__naked void test_out_of_bounds_11(void)
+{
+	asm volatile ("					\
+	r1 = -1;					\
+	w2 = %[__imm_0];				\
+	r2 -= r1;					\
+	r2 |= r1;					\
+	r2 = -r2;					\
+	r2 s>>= 63;					\
+	r1 &= r2;					\
+	r0 = r1;					\
+	exit;						\
+"	:
+	: __imm_const(__imm_0, 1 - 1)
+	: __clobber_all);
+}
+
+SEC("socket")
+__description("masking, test out of bounds 12")
+__success __success_unpriv __retval(0)
+__naked void test_out_of_bounds_12(void)
+{
+	asm volatile ("					\
+	r1 = -1;					\
+	w2 = %[__imm_0];				\
+	r2 -= r1;					\
+	r2 |= r1;					\
+	r2 = -r2;					\
+	r2 s>>= 63;					\
+	r1 &= r2;					\
+	r0 = r1;					\
+	exit;						\
+"	:
+	: __imm_const(__imm_0, 0xffffffff - 1)
+	: __clobber_all);
+}
+
+SEC("socket")
+__description("masking, test in bounds 1")
+__success __success_unpriv __retval(4)
+__naked void masking_test_in_bounds_1(void)
+{
+	asm volatile ("					\
+	w1 = 4;						\
+	w2 = %[__imm_0];				\
+	r2 -= r1;					\
+	r2 |= r1;					\
+	r2 = -r2;					\
+	r2 s>>= 63;					\
+	r1 &= r2;					\
+	r0 = r1;					\
+	exit;						\
+"	:
+	: __imm_const(__imm_0, 5 - 1)
+	: __clobber_all);
+}
+
+SEC("socket")
+__description("masking, test in bounds 2")
+__success __success_unpriv __retval(0)
+__naked void masking_test_in_bounds_2(void)
+{
+	asm volatile ("					\
+	w1 = 0;						\
+	w2 = %[__imm_0];				\
+	r2 -= r1;					\
+	r2 |= r1;					\
+	r2 = -r2;					\
+	r2 s>>= 63;					\
+	r1 &= r2;					\
+	r0 = r1;					\
+	exit;						\
+"	:
+	: __imm_const(__imm_0, 0xffffffff - 1)
+	: __clobber_all);
+}
+
+SEC("socket")
+__description("masking, test in bounds 3")
+__success __success_unpriv __retval(0xfffffffe)
+__naked void masking_test_in_bounds_3(void)
+{
+	asm volatile ("					\
+	w1 = 0xfffffffe;				\
+	w2 = %[__imm_0];				\
+	r2 -= r1;					\
+	r2 |= r1;					\
+	r2 = -r2;					\
+	r2 s>>= 63;					\
+	r1 &= r2;					\
+	r0 = r1;					\
+	exit;						\
+"	:
+	: __imm_const(__imm_0, 0xffffffff - 1)
+	: __clobber_all);
+}
+
+SEC("socket")
+__description("masking, test in bounds 4")
+__success __success_unpriv __retval(0xabcde)
+__naked void masking_test_in_bounds_4(void)
+{
+	asm volatile ("					\
+	w1 = 0xabcde;					\
+	w2 = %[__imm_0];				\
+	r2 -= r1;					\
+	r2 |= r1;					\
+	r2 = -r2;					\
+	r2 s>>= 63;					\
+	r1 &= r2;					\
+	r0 = r1;					\
+	exit;						\
+"	:
+	: __imm_const(__imm_0, 0xabcdef - 1)
+	: __clobber_all);
+}
+
+SEC("socket")
+__description("masking, test in bounds 5")
+__success __success_unpriv __retval(0)
+__naked void masking_test_in_bounds_5(void)
+{
+	asm volatile ("					\
+	w1 = 0;						\
+	w2 = %[__imm_0];				\
+	r2 -= r1;					\
+	r2 |= r1;					\
+	r2 = -r2;					\
+	r2 s>>= 63;					\
+	r1 &= r2;					\
+	r0 = r1;					\
+	exit;						\
+"	:
+	: __imm_const(__imm_0, 1 - 1)
+	: __clobber_all);
+}
+
+SEC("socket")
+__description("masking, test in bounds 6")
+__success __success_unpriv __retval(46)
+__naked void masking_test_in_bounds_6(void)
+{
+	asm volatile ("					\
+	w1 = 46;					\
+	w2 = %[__imm_0];				\
+	r2 -= r1;					\
+	r2 |= r1;					\
+	r2 = -r2;					\
+	r2 s>>= 63;					\
+	r1 &= r2;					\
+	r0 = r1;					\
+	exit;						\
+"	:
+	: __imm_const(__imm_0, 47 - 1)
+	: __clobber_all);
+}
+
+SEC("socket")
+__description("masking, test in bounds 7")
+__success __success_unpriv __retval(46)
+__naked void masking_test_in_bounds_7(void)
+{
+	asm volatile ("					\
+	r3 = -46;					\
+	r3 *= -1;					\
+	w2 = %[__imm_0];				\
+	r2 -= r3;					\
+	r2 |= r3;					\
+	r2 = -r2;					\
+	r2 s>>= 63;					\
+	r3 &= r2;					\
+	r0 = r3;					\
+	exit;						\
+"	:
+	: __imm_const(__imm_0, 47 - 1)
+	: __clobber_all);
+}
+
+SEC("socket")
+__description("masking, test in bounds 8")
+__success __success_unpriv __retval(0)
+__naked void masking_test_in_bounds_8(void)
+{
+	asm volatile ("					\
+	r3 = -47;					\
+	r3 *= -1;					\
+	w2 = %[__imm_0];				\
+	r2 -= r3;					\
+	r2 |= r3;					\
+	r2 = -r2;					\
+	r2 s>>= 63;					\
+	r3 &= r2;					\
+	r0 = r3;					\
+	exit;						\
+"	:
+	: __imm_const(__imm_0, 47 - 1)
+	: __clobber_all);
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/verifier/masking.c b/tools/testing/selftests/bpf/verifier/masking.c
deleted file mode 100644
index 6e1358c544fd..000000000000
--- a/tools/testing/selftests/bpf/verifier/masking.c
+++ /dev/null
@@ -1,322 +0,0 @@
-{
-	"masking, test out of bounds 1",
-	.insns = {
-	BPF_MOV32_IMM(BPF_REG_1, 5),
-	BPF_MOV32_IMM(BPF_REG_2, 5 - 1),
-	BPF_ALU64_REG(BPF_SUB, BPF_REG_2, BPF_REG_1),
-	BPF_ALU64_REG(BPF_OR, BPF_REG_2, BPF_REG_1),
-	BPF_ALU64_IMM(BPF_NEG, BPF_REG_2, 0),
-	BPF_ALU64_IMM(BPF_ARSH, BPF_REG_2, 63),
-	BPF_ALU64_REG(BPF_AND, BPF_REG_1, BPF_REG_2),
-	BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
-	BPF_EXIT_INSN(),
-	},
-	.result = ACCEPT,
-	.retval = 0,
-},
-{
-	"masking, test out of bounds 2",
-	.insns = {
-	BPF_MOV32_IMM(BPF_REG_1, 1),
-	BPF_MOV32_IMM(BPF_REG_2, 1 - 1),
-	BPF_ALU64_REG(BPF_SUB, BPF_REG_2, BPF_REG_1),
-	BPF_ALU64_REG(BPF_OR, BPF_REG_2, BPF_REG_1),
-	BPF_ALU64_IMM(BPF_NEG, BPF_REG_2, 0),
-	BPF_ALU64_IMM(BPF_ARSH, BPF_REG_2, 63),
-	BPF_ALU64_REG(BPF_AND, BPF_REG_1, BPF_REG_2),
-	BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
-	BPF_EXIT_INSN(),
-	},
-	.result = ACCEPT,
-	.retval = 0,
-},
-{
-	"masking, test out of bounds 3",
-	.insns = {
-	BPF_MOV32_IMM(BPF_REG_1, 0xffffffff),
-	BPF_MOV32_IMM(BPF_REG_2, 0xffffffff - 1),
-	BPF_ALU64_REG(BPF_SUB, BPF_REG_2, BPF_REG_1),
-	BPF_ALU64_REG(BPF_OR, BPF_REG_2, BPF_REG_1),
-	BPF_ALU64_IMM(BPF_NEG, BPF_REG_2, 0),
-	BPF_ALU64_IMM(BPF_ARSH, BPF_REG_2, 63),
-	BPF_ALU64_REG(BPF_AND, BPF_REG_1, BPF_REG_2),
-	BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
-	BPF_EXIT_INSN(),
-	},
-	.result = ACCEPT,
-	.retval = 0,
-},
-{
-	"masking, test out of bounds 4",
-	.insns = {
-	BPF_MOV32_IMM(BPF_REG_1, 0xffffffff),
-	BPF_MOV32_IMM(BPF_REG_2, 1 - 1),
-	BPF_ALU64_REG(BPF_SUB, BPF_REG_2, BPF_REG_1),
-	BPF_ALU64_REG(BPF_OR, BPF_REG_2, BPF_REG_1),
-	BPF_ALU64_IMM(BPF_NEG, BPF_REG_2, 0),
-	BPF_ALU64_IMM(BPF_ARSH, BPF_REG_2, 63),
-	BPF_ALU64_REG(BPF_AND, BPF_REG_1, BPF_REG_2),
-	BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
-	BPF_EXIT_INSN(),
-	},
-	.result = ACCEPT,
-	.retval = 0,
-},
-{
-	"masking, test out of bounds 5",
-	.insns = {
-	BPF_MOV32_IMM(BPF_REG_1, -1),
-	BPF_MOV32_IMM(BPF_REG_2, 1 - 1),
-	BPF_ALU64_REG(BPF_SUB, BPF_REG_2, BPF_REG_1),
-	BPF_ALU64_REG(BPF_OR, BPF_REG_2, BPF_REG_1),
-	BPF_ALU64_IMM(BPF_NEG, BPF_REG_2, 0),
-	BPF_ALU64_IMM(BPF_ARSH, BPF_REG_2, 63),
-	BPF_ALU64_REG(BPF_AND, BPF_REG_1, BPF_REG_2),
-	BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
-	BPF_EXIT_INSN(),
-	},
-	.result = ACCEPT,
-	.retval = 0,
-},
-{
-	"masking, test out of bounds 6",
-	.insns = {
-	BPF_MOV32_IMM(BPF_REG_1, -1),
-	BPF_MOV32_IMM(BPF_REG_2, 0xffffffff - 1),
-	BPF_ALU64_REG(BPF_SUB, BPF_REG_2, BPF_REG_1),
-	BPF_ALU64_REG(BPF_OR, BPF_REG_2, BPF_REG_1),
-	BPF_ALU64_IMM(BPF_NEG, BPF_REG_2, 0),
-	BPF_ALU64_IMM(BPF_ARSH, BPF_REG_2, 63),
-	BPF_ALU64_REG(BPF_AND, BPF_REG_1, BPF_REG_2),
-	BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
-	BPF_EXIT_INSN(),
-	},
-	.result = ACCEPT,
-	.retval = 0,
-},
-{
-	"masking, test out of bounds 7",
-	.insns = {
-	BPF_MOV64_IMM(BPF_REG_1, 5),
-	BPF_MOV32_IMM(BPF_REG_2, 5 - 1),
-	BPF_ALU64_REG(BPF_SUB, BPF_REG_2, BPF_REG_1),
-	BPF_ALU64_REG(BPF_OR, BPF_REG_2, BPF_REG_1),
-	BPF_ALU64_IMM(BPF_NEG, BPF_REG_2, 0),
-	BPF_ALU64_IMM(BPF_ARSH, BPF_REG_2, 63),
-	BPF_ALU64_REG(BPF_AND, BPF_REG_1, BPF_REG_2),
-	BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
-	BPF_EXIT_INSN(),
-	},
-	.result = ACCEPT,
-	.retval = 0,
-},
-{
-	"masking, test out of bounds 8",
-	.insns = {
-	BPF_MOV64_IMM(BPF_REG_1, 1),
-	BPF_MOV32_IMM(BPF_REG_2, 1 - 1),
-	BPF_ALU64_REG(BPF_SUB, BPF_REG_2, BPF_REG_1),
-	BPF_ALU64_REG(BPF_OR, BPF_REG_2, BPF_REG_1),
-	BPF_ALU64_IMM(BPF_NEG, BPF_REG_2, 0),
-	BPF_ALU64_IMM(BPF_ARSH, BPF_REG_2, 63),
-	BPF_ALU64_REG(BPF_AND, BPF_REG_1, BPF_REG_2),
-	BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
-	BPF_EXIT_INSN(),
-	},
-	.result = ACCEPT,
-	.retval = 0,
-},
-{
-	"masking, test out of bounds 9",
-	.insns = {
-	BPF_MOV64_IMM(BPF_REG_1, 0xffffffff),
-	BPF_MOV32_IMM(BPF_REG_2, 0xffffffff - 1),
-	BPF_ALU64_REG(BPF_SUB, BPF_REG_2, BPF_REG_1),
-	BPF_ALU64_REG(BPF_OR, BPF_REG_2, BPF_REG_1),
-	BPF_ALU64_IMM(BPF_NEG, BPF_REG_2, 0),
-	BPF_ALU64_IMM(BPF_ARSH, BPF_REG_2, 63),
-	BPF_ALU64_REG(BPF_AND, BPF_REG_1, BPF_REG_2),
-	BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
-	BPF_EXIT_INSN(),
-	},
-	.result = ACCEPT,
-	.retval = 0,
-},
-{
-	"masking, test out of bounds 10",
-	.insns = {
-	BPF_MOV64_IMM(BPF_REG_1, 0xffffffff),
-	BPF_MOV32_IMM(BPF_REG_2, 1 - 1),
-	BPF_ALU64_REG(BPF_SUB, BPF_REG_2, BPF_REG_1),
-	BPF_ALU64_REG(BPF_OR, BPF_REG_2, BPF_REG_1),
-	BPF_ALU64_IMM(BPF_NEG, BPF_REG_2, 0),
-	BPF_ALU64_IMM(BPF_ARSH, BPF_REG_2, 63),
-	BPF_ALU64_REG(BPF_AND, BPF_REG_1, BPF_REG_2),
-	BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
-	BPF_EXIT_INSN(),
-	},
-	.result = ACCEPT,
-	.retval = 0,
-},
-{
-	"masking, test out of bounds 11",
-	.insns = {
-	BPF_MOV64_IMM(BPF_REG_1, -1),
-	BPF_MOV32_IMM(BPF_REG_2, 1 - 1),
-	BPF_ALU64_REG(BPF_SUB, BPF_REG_2, BPF_REG_1),
-	BPF_ALU64_REG(BPF_OR, BPF_REG_2, BPF_REG_1),
-	BPF_ALU64_IMM(BPF_NEG, BPF_REG_2, 0),
-	BPF_ALU64_IMM(BPF_ARSH, BPF_REG_2, 63),
-	BPF_ALU64_REG(BPF_AND, BPF_REG_1, BPF_REG_2),
-	BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
-	BPF_EXIT_INSN(),
-	},
-	.result = ACCEPT,
-	.retval = 0,
-},
-{
-	"masking, test out of bounds 12",
-	.insns = {
-	BPF_MOV64_IMM(BPF_REG_1, -1),
-	BPF_MOV32_IMM(BPF_REG_2, 0xffffffff - 1),
-	BPF_ALU64_REG(BPF_SUB, BPF_REG_2, BPF_REG_1),
-	BPF_ALU64_REG(BPF_OR, BPF_REG_2, BPF_REG_1),
-	BPF_ALU64_IMM(BPF_NEG, BPF_REG_2, 0),
-	BPF_ALU64_IMM(BPF_ARSH, BPF_REG_2, 63),
-	BPF_ALU64_REG(BPF_AND, BPF_REG_1, BPF_REG_2),
-	BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
-	BPF_EXIT_INSN(),
-	},
-	.result = ACCEPT,
-	.retval = 0,
-},
-{
-	"masking, test in bounds 1",
-	.insns = {
-	BPF_MOV32_IMM(BPF_REG_1, 4),
-	BPF_MOV32_IMM(BPF_REG_2, 5 - 1),
-	BPF_ALU64_REG(BPF_SUB, BPF_REG_2, BPF_REG_1),
-	BPF_ALU64_REG(BPF_OR, BPF_REG_2, BPF_REG_1),
-	BPF_ALU64_IMM(BPF_NEG, BPF_REG_2, 0),
-	BPF_ALU64_IMM(BPF_ARSH, BPF_REG_2, 63),
-	BPF_ALU64_REG(BPF_AND, BPF_REG_1, BPF_REG_2),
-	BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
-	BPF_EXIT_INSN(),
-	},
-	.result = ACCEPT,
-	.retval = 4,
-},
-{
-	"masking, test in bounds 2",
-	.insns = {
-	BPF_MOV32_IMM(BPF_REG_1, 0),
-	BPF_MOV32_IMM(BPF_REG_2, 0xffffffff - 1),
-	BPF_ALU64_REG(BPF_SUB, BPF_REG_2, BPF_REG_1),
-	BPF_ALU64_REG(BPF_OR, BPF_REG_2, BPF_REG_1),
-	BPF_ALU64_IMM(BPF_NEG, BPF_REG_2, 0),
-	BPF_ALU64_IMM(BPF_ARSH, BPF_REG_2, 63),
-	BPF_ALU64_REG(BPF_AND, BPF_REG_1, BPF_REG_2),
-	BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
-	BPF_EXIT_INSN(),
-	},
-	.result = ACCEPT,
-	.retval = 0,
-},
-{
-	"masking, test in bounds 3",
-	.insns = {
-	BPF_MOV32_IMM(BPF_REG_1, 0xfffffffe),
-	BPF_MOV32_IMM(BPF_REG_2, 0xffffffff - 1),
-	BPF_ALU64_REG(BPF_SUB, BPF_REG_2, BPF_REG_1),
-	BPF_ALU64_REG(BPF_OR, BPF_REG_2, BPF_REG_1),
-	BPF_ALU64_IMM(BPF_NEG, BPF_REG_2, 0),
-	BPF_ALU64_IMM(BPF_ARSH, BPF_REG_2, 63),
-	BPF_ALU64_REG(BPF_AND, BPF_REG_1, BPF_REG_2),
-	BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
-	BPF_EXIT_INSN(),
-	},
-	.result = ACCEPT,
-	.retval = 0xfffffffe,
-},
-{
-	"masking, test in bounds 4",
-	.insns = {
-	BPF_MOV32_IMM(BPF_REG_1, 0xabcde),
-	BPF_MOV32_IMM(BPF_REG_2, 0xabcdef - 1),
-	BPF_ALU64_REG(BPF_SUB, BPF_REG_2, BPF_REG_1),
-	BPF_ALU64_REG(BPF_OR, BPF_REG_2, BPF_REG_1),
-	BPF_ALU64_IMM(BPF_NEG, BPF_REG_2, 0),
-	BPF_ALU64_IMM(BPF_ARSH, BPF_REG_2, 63),
-	BPF_ALU64_REG(BPF_AND, BPF_REG_1, BPF_REG_2),
-	BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
-	BPF_EXIT_INSN(),
-	},
-	.result = ACCEPT,
-	.retval = 0xabcde,
-},
-{
-	"masking, test in bounds 5",
-	.insns = {
-	BPF_MOV32_IMM(BPF_REG_1, 0),
-	BPF_MOV32_IMM(BPF_REG_2, 1 - 1),
-	BPF_ALU64_REG(BPF_SUB, BPF_REG_2, BPF_REG_1),
-	BPF_ALU64_REG(BPF_OR, BPF_REG_2, BPF_REG_1),
-	BPF_ALU64_IMM(BPF_NEG, BPF_REG_2, 0),
-	BPF_ALU64_IMM(BPF_ARSH, BPF_REG_2, 63),
-	BPF_ALU64_REG(BPF_AND, BPF_REG_1, BPF_REG_2),
-	BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
-	BPF_EXIT_INSN(),
-	},
-	.result = ACCEPT,
-	.retval = 0,
-},
-{
-	"masking, test in bounds 6",
-	.insns = {
-	BPF_MOV32_IMM(BPF_REG_1, 46),
-	BPF_MOV32_IMM(BPF_REG_2, 47 - 1),
-	BPF_ALU64_REG(BPF_SUB, BPF_REG_2, BPF_REG_1),
-	BPF_ALU64_REG(BPF_OR, BPF_REG_2, BPF_REG_1),
-	BPF_ALU64_IMM(BPF_NEG, BPF_REG_2, 0),
-	BPF_ALU64_IMM(BPF_ARSH, BPF_REG_2, 63),
-	BPF_ALU64_REG(BPF_AND, BPF_REG_1, BPF_REG_2),
-	BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
-	BPF_EXIT_INSN(),
-	},
-	.result = ACCEPT,
-	.retval = 46,
-},
-{
-	"masking, test in bounds 7",
-	.insns = {
-	BPF_MOV64_IMM(BPF_REG_3, -46),
-	BPF_ALU64_IMM(BPF_MUL, BPF_REG_3, -1),
-	BPF_MOV32_IMM(BPF_REG_2, 47 - 1),
-	BPF_ALU64_REG(BPF_SUB, BPF_REG_2, BPF_REG_3),
-	BPF_ALU64_REG(BPF_OR, BPF_REG_2, BPF_REG_3),
-	BPF_ALU64_IMM(BPF_NEG, BPF_REG_2, 0),
-	BPF_ALU64_IMM(BPF_ARSH, BPF_REG_2, 63),
-	BPF_ALU64_REG(BPF_AND, BPF_REG_3, BPF_REG_2),
-	BPF_MOV64_REG(BPF_REG_0, BPF_REG_3),
-	BPF_EXIT_INSN(),
-	},
-	.result = ACCEPT,
-	.retval = 46,
-},
-{
-	"masking, test in bounds 8",
-	.insns = {
-	BPF_MOV64_IMM(BPF_REG_3, -47),
-	BPF_ALU64_IMM(BPF_MUL, BPF_REG_3, -1),
-	BPF_MOV32_IMM(BPF_REG_2, 47 - 1),
-	BPF_ALU64_REG(BPF_SUB, BPF_REG_2, BPF_REG_3),
-	BPF_ALU64_REG(BPF_OR, BPF_REG_2, BPF_REG_3),
-	BPF_ALU64_IMM(BPF_NEG, BPF_REG_2, 0),
-	BPF_ALU64_IMM(BPF_ARSH, BPF_REG_2, 63),
-	BPF_ALU64_REG(BPF_AND, BPF_REG_3, BPF_REG_2),
-	BPF_MOV64_REG(BPF_REG_0, BPF_REG_3),
-	BPF_EXIT_INSN(),
-	},
-	.result = ACCEPT,
-	.retval = 0,
-},
-- 
2.40.0


  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 ` [PATCH bpf-next 12/43] selftests/bpf: verifier/cgroup_inv_retcode.c " Eduard Zingerman
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 ` Eduard Zingerman [this message]
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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