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| {
| "constant register |= constant should keep constant type",
| .insns = {
| BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
| BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -48),
| BPF_MOV64_IMM(BPF_REG_2, 34),
| BPF_ALU64_IMM(BPF_OR, BPF_REG_2, 13),
| BPF_MOV64_IMM(BPF_REG_3, 0),
| BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
| BPF_EXIT_INSN(),
| },
| .result = ACCEPT,
| .prog_type = BPF_PROG_TYPE_TRACEPOINT,
| },
| {
| "constant register |= constant should not bypass stack boundary checks",
| .insns = {
| BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
| BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -48),
| BPF_MOV64_IMM(BPF_REG_2, 34),
| BPF_ALU64_IMM(BPF_OR, BPF_REG_2, 24),
| BPF_MOV64_IMM(BPF_REG_3, 0),
| BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
| BPF_EXIT_INSN(),
| },
| .errstr = "invalid indirect access to stack R1 off=-48 size=58",
| .result = REJECT,
| .prog_type = BPF_PROG_TYPE_TRACEPOINT,
| },
| {
| "constant register |= constant register should keep constant type",
| .insns = {
| BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
| BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -48),
| BPF_MOV64_IMM(BPF_REG_2, 34),
| BPF_MOV64_IMM(BPF_REG_4, 13),
| BPF_ALU64_REG(BPF_OR, BPF_REG_2, BPF_REG_4),
| BPF_MOV64_IMM(BPF_REG_3, 0),
| BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
| BPF_EXIT_INSN(),
| },
| .result = ACCEPT,
| .prog_type = BPF_PROG_TYPE_TRACEPOINT,
| },
| {
| "constant register |= constant register should not bypass stack boundary checks",
| .insns = {
| BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
| BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -48),
| BPF_MOV64_IMM(BPF_REG_2, 34),
| BPF_MOV64_IMM(BPF_REG_4, 24),
| BPF_ALU64_REG(BPF_OR, BPF_REG_2, BPF_REG_4),
| BPF_MOV64_IMM(BPF_REG_3, 0),
| BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
| BPF_EXIT_INSN(),
| },
| .errstr = "invalid indirect access to stack R1 off=-48 size=58",
| .result = REJECT,
| .prog_type = BPF_PROG_TYPE_TRACEPOINT,
| },
|
|
