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| {
| "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,
| },
|
|
