| { |
| "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, |
| }, |
