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| {
| "stack out of bounds",
| .insns = {
| BPF_ST_MEM(BPF_DW, BPF_REG_10, 8, 0),
| BPF_EXIT_INSN(),
| },
| .errstr = "invalid write to stack",
| .result = REJECT,
| },
| {
| "uninitialized stack1",
| .insns = {
| BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
| BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
| BPF_LD_MAP_FD(BPF_REG_1, 0),
| BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
| BPF_EXIT_INSN(),
| },
| .fixup_map_hash_8b = { 2 },
| .errstr = "invalid indirect read from stack",
| .result = REJECT,
| },
| {
| "uninitialized stack2",
| .insns = {
| BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
| BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_2, -8),
| BPF_EXIT_INSN(),
| },
| .errstr = "invalid read from stack",
| .result = REJECT,
| },
| {
| "invalid fp arithmetic",
| /* If this gets ever changed, make sure JITs can deal with it. */
| .insns = {
| BPF_MOV64_IMM(BPF_REG_0, 0),
| BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
| BPF_ALU64_IMM(BPF_SUB, BPF_REG_1, 8),
| BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_0, 0),
| BPF_EXIT_INSN(),
| },
| .errstr = "R1 subtraction from stack pointer",
| .result = REJECT,
| },
| {
| "non-invalid fp arithmetic",
| .insns = {
| BPF_MOV64_IMM(BPF_REG_0, 0),
| BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_0, -8),
| BPF_EXIT_INSN(),
| },
| .result = ACCEPT,
| },
| {
| "misaligned read from stack",
| .insns = {
| BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
| BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_2, -4),
| BPF_EXIT_INSN(),
| },
| .errstr = "misaligned stack access",
| .result = REJECT,
| },
|
|
