selftests/bpf: verifier/masking.c converted to inline assembly

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

Signed-off-by: Eduard Zingerman <eddyz87@gmail.com>
Link: https://lore.kernel.org/r/20230325025524.144043-30-eddyz87@gmail.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>

diff --git a/tools/testing/selftests/bpf/prog_tests/verifier.c b/tools/testing/selftests/bpf/prog_tests/verifier.c
index 5131a73..b23fcbe 100644 (file)
--- 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 (file)
index 0000000..5732cc1
--- /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 (file)
index 6e1358c..0000000
--- 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,
-},