1 files changed, 92 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/verifier/basic_instr.c b/tools/testing/selftests/bpf/verifier/basic_instr.c
new file mode 100644
index 000000000000..a18686a4bd75
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/basic_instr.c
@@ -0,0 +1,92 @@
+{
+	"add+sub+mul",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_1, 1),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 2),
+	BPF_MOV64_IMM(BPF_REG_2, 3),
+	BPF_ALU64_REG(BPF_SUB, BPF_REG_1, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -1),
+	BPF_ALU64_IMM(BPF_MUL, BPF_REG_1, 3),
+	BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.retval = -3,
+},
+{
+	"xor32 zero extend check",
+	.insns = {
+	BPF_MOV32_IMM(BPF_REG_2, -1),
+	BPF_ALU64_IMM(BPF_LSH, BPF_REG_2, 32),
+	BPF_ALU64_IMM(BPF_OR, BPF_REG_2, 0xffff),
+	BPF_ALU32_REG(BPF_XOR, BPF_REG_2, BPF_REG_2),
+	BPF_MOV32_IMM(BPF_REG_0, 2),
+	BPF_JMP_IMM(BPF_JNE, BPF_REG_2, 0, 1),
+	BPF_MOV32_IMM(BPF_REG_0, 1),
+	BPF_EXIT_INSN(),
+	},
+	.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+	.result = ACCEPT,
+	.retval = 1,
+},
+{
+	"arsh32 on imm",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_ALU32_IMM(BPF_ARSH, BPF_REG_0, 5),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.retval = 0,
+},
+{
+	"arsh32 on imm 2",
+	.insns = {
+	BPF_LD_IMM64(BPF_REG_0, 0x1122334485667788),
+	BPF_ALU32_IMM(BPF_ARSH, BPF_REG_0, 7),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.retval = -16069393,
+},
+{
+	"arsh32 on reg",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_MOV64_IMM(BPF_REG_1, 5),
+	BPF_ALU32_REG(BPF_ARSH, BPF_REG_0, BPF_REG_1),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.retval = 0,
+},
+{
+	"arsh32 on reg 2",
+	.insns = {
+	BPF_LD_IMM64(BPF_REG_0, 0xffff55667788),
+	BPF_MOV64_IMM(BPF_REG_1, 15),
+	BPF_ALU32_REG(BPF_ARSH, BPF_REG_0, BPF_REG_1),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.retval = 43724,
+},
+{
+	"arsh64 on imm",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_ALU64_IMM(BPF_ARSH, BPF_REG_0, 5),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+},
+{
+	"arsh64 on reg",
+	.insns = {
+	BPF_MOV64_IMM(BPF_REG_0, 1),
+	BPF_MOV64_IMM(BPF_REG_1, 5),
+	BPF_ALU64_REG(BPF_ARSH, BPF_REG_0, BPF_REG_1),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+},