96 lines
2.8 KiB
C
96 lines
2.8 KiB
C
|
{
|
||
|
"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 'scalar'",
|
||
|
.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_ATOMIC_OP(BPF_DW, BPF_ADD, 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 'scalar'",
|
||
|
.result = REJECT,
|
||
|
.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
|
||
|
},
|