| { |
| "map element value illegal alu op, 1", |
| .insns = { |
| BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), |
| BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), |
| BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0), |
| BPF_LD_MAP_FD(BPF_REG_1, 0), |
| BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem), |
| BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 2), |
| BPF_ALU64_IMM(BPF_AND, BPF_REG_0, 8), |
| BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, 22), |
| BPF_EXIT_INSN(), |
| }, |
| .fixup_map_hash_48b = { 3 }, |
| .errstr = "R0 bitwise operator &= on pointer", |
| .result = REJECT, |
| }, |
| { |
| "map element value illegal alu op, 2", |
| .insns = { |
| BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), |
| BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), |
| BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0), |
| BPF_LD_MAP_FD(BPF_REG_1, 0), |
| BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem), |
| BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 2), |
| BPF_ALU32_IMM(BPF_ADD, BPF_REG_0, 0), |
| BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, 22), |
| BPF_EXIT_INSN(), |
| }, |
| .fixup_map_hash_48b = { 3 }, |
| .errstr = "R0 32-bit pointer arithmetic prohibited", |
| .result = REJECT, |
| }, |
| { |
| "map element value illegal alu op, 3", |
| .insns = { |
| BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), |
| BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), |
| BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0), |
| BPF_LD_MAP_FD(BPF_REG_1, 0), |
| BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem), |
| BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 2), |
| BPF_ALU64_IMM(BPF_DIV, BPF_REG_0, 42), |
| BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, 22), |
| BPF_EXIT_INSN(), |
| }, |
| .fixup_map_hash_48b = { 3 }, |
| .errstr = "R0 pointer arithmetic with /= operator", |
| .result = REJECT, |
| }, |
| { |
| "map element value illegal alu op, 4", |
| .insns = { |
| BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), |
| BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), |
| BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0), |
| BPF_LD_MAP_FD(BPF_REG_1, 0), |
| BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem), |
| BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 2), |
| BPF_ENDIAN(BPF_FROM_BE, BPF_REG_0, 64), |
| BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, 22), |
| BPF_EXIT_INSN(), |
| }, |
| .fixup_map_hash_48b = { 3 }, |
| .errstr_unpriv = "R0 pointer arithmetic prohibited", |
| .errstr = "invalid mem access 'inv'", |
| .result = REJECT, |
| .result_unpriv = REJECT, |
| .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, |
| }, |
| { |
| "map element value illegal alu op, 5", |
| .insns = { |
| BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), |
| BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), |
| BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0), |
| BPF_LD_MAP_FD(BPF_REG_1, 0), |
| BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem), |
| BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 7), |
| BPF_MOV64_IMM(BPF_REG_3, 4096), |
| BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), |
| BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), |
| BPF_STX_MEM(BPF_DW, BPF_REG_2, BPF_REG_0, 0), |
| BPF_STX_XADD(BPF_DW, BPF_REG_2, BPF_REG_3, 0), |
| BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_2, 0), |
| BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, 22), |
| BPF_EXIT_INSN(), |
| }, |
| .fixup_map_hash_48b = { 3 }, |
| .errstr_unpriv = "leaking pointer from stack off -8", |
| .errstr = "R0 invalid mem access 'inv'", |
| .result = REJECT, |
| .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, |
| }, |
