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

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

File Facts

System
Linux kernel
Corpus path
tools/testing/selftests/bpf/verifier/basic_stx_ldx.c
Extension
.c
Size
786 bytes
Lines
46
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

{
	"invalid src register in STX",
	.insns = {
	BPF_STX_MEM(BPF_B, BPF_REG_10, -1, -1),
	BPF_EXIT_INSN(),
	},
	.errstr = "R15 is invalid",
	.result = REJECT,
},
{
	"invalid dst register in STX",
	.insns = {
	BPF_STX_MEM(BPF_B, 14, BPF_REG_10, -1),
	BPF_EXIT_INSN(),
	},
	.errstr = "R14 is invalid",
	.result = REJECT,
},
{
	"invalid dst register in ST",
	.insns = {
	BPF_ST_MEM(BPF_B, 14, -1, -1),
	BPF_EXIT_INSN(),
	},
	.errstr = "R14 is invalid",
	.result = REJECT,
},
{
	"invalid src register in LDX",
	.insns = {
	BPF_LDX_MEM(BPF_B, BPF_REG_0, 12, 0),
	BPF_EXIT_INSN(),
	},
	.errstr = "R12 is invalid",
	.result = REJECT,
},
{
	"invalid dst register in LDX",
	.insns = {
	BPF_LDX_MEM(BPF_B, 11, BPF_REG_1, 0),
	BPF_EXIT_INSN(),
	},
	.errstr = "R11 is invalid",
	.result = REJECT,
},

Annotation

Implementation Notes