{ "map element value is preserved across register spilling", .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, 6), BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, 42), BPF_MOV64_REG(BPF_REG_1, BPF_REG_10), BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -184), BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_0, 0), BPF_LDX_MEM(BPF_DW, BPF_REG_3, BPF_REG_1, 0), BPF_ST_MEM(BPF_DW, BPF_REG_3, 0, 42), BPF_EXIT_INSN(), }, .fixup_map_hash_48b = { 3 }, .errstr_unpriv = "R0 leaks addr", .result = ACCEPT, .result_unpriv = REJECT, }, { "map element value or null is marked on register spilling", .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_MOV64_REG(BPF_REG_1, BPF_REG_10), BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -152), BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_0, 0), BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 2), BPF_LDX_MEM(BPF_DW, BPF_REG_3, BPF_REG_1, 0), BPF_ST_MEM(BPF_DW, BPF_REG_3, 0, 42), BPF_EXIT_INSN(), }, .fixup_map_hash_48b = { 3 }, .errstr_unpriv = "R0 leaks addr", .result = ACCEPT, .result_unpriv = REJECT, },