tools/testing/selftests/bpf/verifier/ld_imm64.c

Source file repositories/reference/linux-study-clean/tools/testing/selftests/bpf/verifier/ld_imm64.c

File Facts

System
Linux kernel
Corpus path
tools/testing/selftests/bpf/verifier/ld_imm64.c
Extension
.c
Size
3191 bytes
Lines
147
Domain
Support Tooling And Documentation
Bucket
tools
Inferred role
Support Tooling And Documentation: implementation source
Status
source implementation candidate

Why This File Exists

Repository support layer: documentation, build tooling, samples, user-space helper tools, generated initramfs support, licenses, and validation utilities.

Dependency Surface

Detected Declarations

Annotated Snippet

{
	"test1 ld_imm64",
	.insns = {
	BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0, 1),
	BPF_LD_IMM64(BPF_REG_0, 0),
	BPF_LD_IMM64(BPF_REG_0, 0),
	BPF_LD_IMM64(BPF_REG_0, 1),
	BPF_LD_IMM64(BPF_REG_0, 1),
	BPF_MOV64_IMM(BPF_REG_0, 2),
	BPF_EXIT_INSN(),
	},
	.errstr = "jump into the middle of ldimm64 insn 1",
	.errstr_unpriv = "jump into the middle of ldimm64 insn 1",
	.result = REJECT,
},
{
	"test2 ld_imm64",
	.insns = {
	BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0, 1),
	BPF_LD_IMM64(BPF_REG_0, 0),
	BPF_LD_IMM64(BPF_REG_0, 0),
	BPF_LD_IMM64(BPF_REG_0, 1),
	BPF_LD_IMM64(BPF_REG_0, 1),
	BPF_EXIT_INSN(),
	},
	.errstr = "jump into the middle of ldimm64 insn 1",
	.errstr_unpriv = "jump into the middle of ldimm64 insn 1",
	.result = REJECT,
},
{
	"test3 ld_imm64",
	.insns = {
	BPF_JMP_IMM(BPF_JEQ, BPF_REG_1, 0, 1),
	BPF_RAW_INSN(BPF_LD | BPF_IMM | BPF_DW, 0, 0, 0, 0),
	BPF_LD_IMM64(BPF_REG_0, 0),
	BPF_LD_IMM64(BPF_REG_0, 0),
	BPF_LD_IMM64(BPF_REG_0, 1),
	BPF_LD_IMM64(BPF_REG_0, 1),
	BPF_EXIT_INSN(),
	},
	.errstr = "invalid bpf_ld_imm64 insn",
	.result = REJECT,
},
{
	"test4 ld_imm64",
	.insns = {
	BPF_RAW_INSN(BPF_LD | BPF_IMM | BPF_DW, 0, 0, 0, 0),
	BPF_EXIT_INSN(),
	},
	.errstr = "invalid bpf_ld_imm64 insn",
	.result = REJECT,
},
{
	"test6 ld_imm64",
	.insns = {
	BPF_RAW_INSN(BPF_LD | BPF_IMM | BPF_DW, 0, 0, 0, 0),
	BPF_RAW_INSN(0, 0, 0, 0, 0),
	BPF_EXIT_INSN(),
	},
	.result = ACCEPT,
},
{
	"test7 ld_imm64",
	.insns = {
	BPF_RAW_INSN(BPF_LD | BPF_IMM | BPF_DW, 0, 0, 0, 1),
	BPF_RAW_INSN(0, 0, 0, 0, 1),
	BPF_EXIT_INSN(),
	},
	.result = ACCEPT,
	.retval = 1,
},
{
	"test8 ld_imm64",
	.insns = {
	BPF_RAW_INSN(BPF_LD | BPF_IMM | BPF_DW, 0, 0, 1, 1),
	BPF_RAW_INSN(0, 0, 0, 0, 1),
	BPF_EXIT_INSN(),
	},
	.errstr = "uses reserved fields",
	.result = REJECT,
},
{
	"test9 ld_imm64",
	.insns = {
	BPF_RAW_INSN(BPF_LD | BPF_IMM | BPF_DW, 0, 0, 0, 1),
	BPF_RAW_INSN(0, 0, 0, 1, 1),
	BPF_EXIT_INSN(),
	},
	.errstr = "invalid bpf_ld_imm64 insn",
	.result = REJECT,

Annotation

Implementation Notes