| { |
| "bounds checks mixing signed and unsigned, positive bounds", |
| .insns = { |
| BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0), |
| BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), |
| BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), |
| BPF_LD_MAP_FD(BPF_REG_1, 0), |
| BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem), |
| BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 7), |
| BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, -8), |
| BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16), |
| BPF_MOV64_IMM(BPF_REG_2, 2), |
| BPF_JMP_REG(BPF_JGE, BPF_REG_2, BPF_REG_1, 3), |
| BPF_JMP_IMM(BPF_JSGT, BPF_REG_1, 4, 2), |
| BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1), |
| BPF_ST_MEM(BPF_B, BPF_REG_0, 0, 0), |
| BPF_MOV64_IMM(BPF_REG_0, 0), |
| BPF_EXIT_INSN(), |
| }, |
| .fixup_map_hash_8b = { 3 }, |
| .errstr = "unbounded min value", |
| .errstr_unpriv = "R1 has unknown scalar with mixed signed bounds", |
| .result = REJECT, |
| }, |
| { |
| "bounds checks mixing signed and unsigned", |
| .insns = { |
| BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0), |
| BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), |
| BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), |
| BPF_LD_MAP_FD(BPF_REG_1, 0), |
| BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem), |
| BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 7), |
| BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, -8), |
| BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16), |
| BPF_MOV64_IMM(BPF_REG_2, -1), |
| BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_2, 3), |
| BPF_JMP_IMM(BPF_JSGT, BPF_REG_1, 1, 2), |
| BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1), |
| BPF_ST_MEM(BPF_B, BPF_REG_0, 0, 0), |
| BPF_MOV64_IMM(BPF_REG_0, 0), |
| BPF_EXIT_INSN(), |
| }, |
| .fixup_map_hash_8b = { 3 }, |
| .errstr = "unbounded min value", |
| .errstr_unpriv = "R1 has unknown scalar with mixed signed bounds", |
| .result = REJECT, |
| }, |
| { |
| "bounds checks mixing signed and unsigned, variant 2", |
| .insns = { |
| BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0), |
| BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), |
| BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), |
| BPF_LD_MAP_FD(BPF_REG_1, 0), |
| BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem), |
| BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 9), |
| BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, -8), |
| BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16), |
| BPF_MOV64_IMM(BPF_REG_2, -1), |
| BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_2, 5), |
| BPF_MOV64_IMM(BPF_REG_8, 0), |
| BPF_ALU64_REG(BPF_ADD, BPF_REG_8, BPF_REG_1), |
| BPF_JMP_IMM(BPF_JSGT, BPF_REG_8, 1, 2), |
| BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_8), |
| BPF_ST_MEM(BPF_B, BPF_REG_8, 0, 0), |
| BPF_MOV64_IMM(BPF_REG_0, 0), |
| BPF_EXIT_INSN(), |
| }, |
| .fixup_map_hash_8b = { 3 }, |
| .errstr = "unbounded min value", |
| .errstr_unpriv = "R8 has unknown scalar with mixed signed bounds", |
| .result = REJECT, |
| }, |
| { |
| "bounds checks mixing signed and unsigned, variant 3", |
| .insns = { |
| BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0), |
| BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), |
| BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), |
| BPF_LD_MAP_FD(BPF_REG_1, 0), |
| BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem), |
| BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 8), |
| BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, -8), |
| BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16), |
| BPF_MOV64_IMM(BPF_REG_2, -1), |
| BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_2, 4), |
| BPF_MOV64_REG(BPF_REG_8, BPF_REG_1), |
| BPF_JMP_IMM(BPF_JSGT, BPF_REG_8, 1, 2), |
| BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_8), |
| BPF_ST_MEM(BPF_B, BPF_REG_8, 0, 0), |
| BPF_MOV64_IMM(BPF_REG_0, 0), |
| BPF_EXIT_INSN(), |
| }, |
| .fixup_map_hash_8b = { 3 }, |
| .errstr = "unbounded min value", |
| .errstr_unpriv = "R8 has unknown scalar with mixed signed bounds", |
| .result = REJECT, |
| }, |
| { |
| "bounds checks mixing signed and unsigned, variant 4", |
| .insns = { |
| BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0), |
| BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), |
| BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), |
| BPF_LD_MAP_FD(BPF_REG_1, 0), |
| BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem), |
| BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 7), |
| BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, -8), |
| BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16), |
| BPF_MOV64_IMM(BPF_REG_2, 1), |
| BPF_ALU64_REG(BPF_AND, BPF_REG_1, BPF_REG_2), |
| BPF_JMP_IMM(BPF_JSGT, BPF_REG_1, 1, 2), |
| BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1), |
| BPF_ST_MEM(BPF_B, BPF_REG_0, 0, 0), |
| BPF_MOV64_IMM(BPF_REG_0, 0), |
| BPF_EXIT_INSN(), |
| }, |
| .fixup_map_hash_8b = { 3 }, |
| .result = ACCEPT, |
| }, |
| { |
| "bounds checks mixing signed and unsigned, variant 5", |
| .insns = { |
| BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0), |
| BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), |
| BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), |
| BPF_LD_MAP_FD(BPF_REG_1, 0), |
| BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem), |
| BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 9), |
| BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, -8), |
| BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16), |
| BPF_MOV64_IMM(BPF_REG_2, -1), |
| BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_2, 5), |
| BPF_JMP_IMM(BPF_JSGT, BPF_REG_1, 1, 4), |
| BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 4), |
| BPF_ALU64_REG(BPF_SUB, BPF_REG_0, BPF_REG_1), |
| BPF_ST_MEM(BPF_B, BPF_REG_0, 0, 0), |
| BPF_MOV64_IMM(BPF_REG_0, 0), |
| BPF_EXIT_INSN(), |
| }, |
| .fixup_map_hash_8b = { 3 }, |
| .errstr = "unbounded min value", |
| .errstr_unpriv = "R1 has unknown scalar with mixed signed bounds", |
| .result = REJECT, |
| }, |
| { |
| "bounds checks mixing signed and unsigned, variant 6", |
| .insns = { |
| BPF_MOV64_IMM(BPF_REG_2, 0), |
| BPF_MOV64_REG(BPF_REG_3, BPF_REG_10), |
| BPF_ALU64_IMM(BPF_ADD, BPF_REG_3, -512), |
| BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, -8), |
| BPF_LDX_MEM(BPF_DW, BPF_REG_4, BPF_REG_10, -16), |
| BPF_MOV64_IMM(BPF_REG_6, -1), |
| BPF_JMP_REG(BPF_JGT, BPF_REG_4, BPF_REG_6, 5), |
| BPF_JMP_IMM(BPF_JSGT, BPF_REG_4, 1, 4), |
| BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, 1), |
| BPF_MOV64_IMM(BPF_REG_5, 0), |
| BPF_ST_MEM(BPF_H, BPF_REG_10, -512, 0), |
| BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_skb_load_bytes), |
| BPF_MOV64_IMM(BPF_REG_0, 0), |
| BPF_EXIT_INSN(), |
| }, |
| .errstr = "R4 min value is negative, either use unsigned", |
| .result = REJECT, |
| }, |
| { |
| "bounds checks mixing signed and unsigned, variant 7", |
| .insns = { |
| BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0), |
| BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), |
| BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), |
| BPF_LD_MAP_FD(BPF_REG_1, 0), |
| BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem), |
| BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 7), |
| BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, -8), |
| BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16), |
| BPF_MOV64_IMM(BPF_REG_2, 1024 * 1024 * 1024), |
| BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_2, 3), |
| BPF_JMP_IMM(BPF_JSGT, BPF_REG_1, 1, 2), |
| BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1), |
| BPF_ST_MEM(BPF_B, BPF_REG_0, 0, 0), |
| BPF_MOV64_IMM(BPF_REG_0, 0), |
| BPF_EXIT_INSN(), |
| }, |
| .fixup_map_hash_8b = { 3 }, |
| .result = ACCEPT, |
| }, |
| { |
| "bounds checks mixing signed and unsigned, variant 8", |
| .insns = { |
| BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0), |
| BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), |
| BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), |
| BPF_LD_MAP_FD(BPF_REG_1, 0), |
| BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem), |
| BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 9), |
| BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, -8), |
| BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16), |
| BPF_MOV64_IMM(BPF_REG_2, -1), |
| BPF_JMP_REG(BPF_JGT, BPF_REG_2, BPF_REG_1, 2), |
| BPF_MOV64_IMM(BPF_REG_0, 0), |
| BPF_EXIT_INSN(), |
| BPF_JMP_IMM(BPF_JSGT, BPF_REG_1, 1, 2), |
| BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1), |
| BPF_ST_MEM(BPF_B, BPF_REG_0, 0, 0), |
| BPF_MOV64_IMM(BPF_REG_0, 0), |
| BPF_EXIT_INSN(), |
| }, |
| .fixup_map_hash_8b = { 3 }, |
| .errstr = "unbounded min value", |
| .errstr_unpriv = "R1 has unknown scalar with mixed signed bounds", |
| .result = REJECT, |
| }, |
| { |
| "bounds checks mixing signed and unsigned, variant 9", |
| .insns = { |
| BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0), |
| BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), |
| BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), |
| BPF_LD_MAP_FD(BPF_REG_1, 0), |
| BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem), |
| BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 10), |
| BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, -8), |
| BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16), |
| BPF_LD_IMM64(BPF_REG_2, -9223372036854775808ULL), |
| BPF_JMP_REG(BPF_JGT, BPF_REG_2, BPF_REG_1, 2), |
| BPF_MOV64_IMM(BPF_REG_0, 0), |
| BPF_EXIT_INSN(), |
| BPF_JMP_IMM(BPF_JSGT, BPF_REG_1, 1, 2), |
| BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1), |
| BPF_ST_MEM(BPF_B, BPF_REG_0, 0, 0), |
| BPF_MOV64_IMM(BPF_REG_0, 0), |
| BPF_EXIT_INSN(), |
| }, |
| .fixup_map_hash_8b = { 3 }, |
| .result = ACCEPT, |
| }, |
| { |
| "bounds checks mixing signed and unsigned, variant 10", |
| .insns = { |
| BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0), |
| BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), |
| BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), |
| BPF_LD_MAP_FD(BPF_REG_1, 0), |
| BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem), |
| BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 9), |
| BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, -8), |
| BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16), |
| BPF_MOV64_IMM(BPF_REG_2, 0), |
| BPF_JMP_REG(BPF_JGT, BPF_REG_2, BPF_REG_1, 2), |
| BPF_MOV64_IMM(BPF_REG_0, 0), |
| BPF_EXIT_INSN(), |
| BPF_JMP_IMM(BPF_JSGT, BPF_REG_1, 1, 2), |
| BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1), |
| BPF_ST_MEM(BPF_B, BPF_REG_0, 0, 0), |
| BPF_MOV64_IMM(BPF_REG_0, 0), |
| BPF_EXIT_INSN(), |
| }, |
| .fixup_map_hash_8b = { 3 }, |
| .errstr = "unbounded min value", |
| .errstr_unpriv = "R1 has unknown scalar with mixed signed bounds", |
| .result = REJECT, |
| }, |
| { |
| "bounds checks mixing signed and unsigned, variant 11", |
| .insns = { |
| BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0), |
| BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), |
| BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), |
| BPF_LD_MAP_FD(BPF_REG_1, 0), |
| BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem), |
| BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 9), |
| BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, -8), |
| BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16), |
| BPF_MOV64_IMM(BPF_REG_2, -1), |
| BPF_JMP_REG(BPF_JGE, BPF_REG_2, BPF_REG_1, 2), |
| /* Dead branch. */ |
| BPF_MOV64_IMM(BPF_REG_0, 0), |
| BPF_EXIT_INSN(), |
| BPF_JMP_IMM(BPF_JSGT, BPF_REG_1, 1, 2), |
| BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1), |
| BPF_ST_MEM(BPF_B, BPF_REG_0, 0, 0), |
| BPF_MOV64_IMM(BPF_REG_0, 0), |
| BPF_EXIT_INSN(), |
| }, |
| .fixup_map_hash_8b = { 3 }, |
| .errstr = "unbounded min value", |
| .errstr_unpriv = "R1 has unknown scalar with mixed signed bounds", |
| .result = REJECT, |
| }, |
| { |
| "bounds checks mixing signed and unsigned, variant 12", |
| .insns = { |
| BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0), |
| BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), |
| BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), |
| BPF_LD_MAP_FD(BPF_REG_1, 0), |
| BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem), |
| BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 9), |
| BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, -8), |
| BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16), |
| BPF_MOV64_IMM(BPF_REG_2, -6), |
| BPF_JMP_REG(BPF_JGE, BPF_REG_2, BPF_REG_1, 2), |
| BPF_MOV64_IMM(BPF_REG_0, 0), |
| BPF_EXIT_INSN(), |
| BPF_JMP_IMM(BPF_JSGT, BPF_REG_1, 1, 2), |
| BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1), |
| BPF_ST_MEM(BPF_B, BPF_REG_0, 0, 0), |
| BPF_MOV64_IMM(BPF_REG_0, 0), |
| BPF_EXIT_INSN(), |
| }, |
| .fixup_map_hash_8b = { 3 }, |
| .errstr = "unbounded min value", |
| .errstr_unpriv = "R1 has unknown scalar with mixed signed bounds", |
| .result = REJECT, |
| }, |
| { |
| "bounds checks mixing signed and unsigned, variant 13", |
| .insns = { |
| BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0), |
| BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), |
| BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), |
| BPF_LD_MAP_FD(BPF_REG_1, 0), |
| BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem), |
| BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 6), |
| BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, -8), |
| BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16), |
| BPF_MOV64_IMM(BPF_REG_2, 2), |
| BPF_JMP_REG(BPF_JGE, BPF_REG_2, BPF_REG_1, 2), |
| BPF_MOV64_IMM(BPF_REG_7, 1), |
| BPF_JMP_IMM(BPF_JSGT, BPF_REG_7, 0, 2), |
| BPF_MOV64_IMM(BPF_REG_0, 0), |
| BPF_EXIT_INSN(), |
| BPF_ALU64_REG(BPF_ADD, BPF_REG_7, BPF_REG_1), |
| BPF_JMP_IMM(BPF_JSGT, BPF_REG_7, 4, 2), |
| BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_7), |
| BPF_ST_MEM(BPF_B, BPF_REG_0, 0, 0), |
| BPF_MOV64_IMM(BPF_REG_0, 0), |
| BPF_EXIT_INSN(), |
| }, |
| .fixup_map_hash_8b = { 3 }, |
| .errstr = "unbounded min value", |
| .errstr_unpriv = "R7 has unknown scalar with mixed signed bounds", |
| .result = REJECT, |
| }, |
| { |
| "bounds checks mixing signed and unsigned, variant 14", |
| .insns = { |
| BPF_LDX_MEM(BPF_W, BPF_REG_9, BPF_REG_1, |
| offsetof(struct __sk_buff, mark)), |
| BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0), |
| BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), |
| BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), |
| BPF_LD_MAP_FD(BPF_REG_1, 0), |
| BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem), |
| BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 8), |
| BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, -8), |
| BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16), |
| BPF_MOV64_IMM(BPF_REG_2, -1), |
| BPF_MOV64_IMM(BPF_REG_8, 2), |
| BPF_JMP_IMM(BPF_JEQ, BPF_REG_9, 42, 6), |
| BPF_JMP_REG(BPF_JSGT, BPF_REG_8, BPF_REG_1, 3), |
| BPF_JMP_IMM(BPF_JSGT, BPF_REG_1, 1, 2), |
| BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1), |
| BPF_ST_MEM(BPF_B, BPF_REG_0, 0, 0), |
| BPF_MOV64_IMM(BPF_REG_0, 0), |
| BPF_EXIT_INSN(), |
| BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_2, -3), |
| BPF_JMP_IMM(BPF_JA, 0, 0, -7), |
| }, |
| .fixup_map_hash_8b = { 4 }, |
| .errstr = "unbounded min value", |
| .errstr_unpriv = "R1 has unknown scalar with mixed signed bounds", |
| .result = REJECT, |
| }, |
| { |
| "bounds checks mixing signed and unsigned, variant 15", |
| .insns = { |
| BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0), |
| BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), |
| BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), |
| BPF_LD_MAP_FD(BPF_REG_1, 0), |
| BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem), |
| BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 4), |
| BPF_ST_MEM(BPF_DW, BPF_REG_10, -16, -8), |
| BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16), |
| BPF_MOV64_IMM(BPF_REG_2, -6), |
| BPF_JMP_REG(BPF_JGE, BPF_REG_2, BPF_REG_1, 2), |
| BPF_MOV64_IMM(BPF_REG_0, 0), |
| BPF_EXIT_INSN(), |
| BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1), |
| BPF_JMP_IMM(BPF_JGT, BPF_REG_0, 1, 2), |
| BPF_MOV64_IMM(BPF_REG_0, 0), |
| BPF_EXIT_INSN(), |
| BPF_ST_MEM(BPF_B, BPF_REG_0, 0, 0), |
| BPF_MOV64_IMM(BPF_REG_0, 0), |
| BPF_EXIT_INSN(), |
| }, |
| .fixup_map_hash_8b = { 3 }, |
| .errstr = "unbounded min value", |
| .errstr_unpriv = "R1 has unknown scalar with mixed signed bounds", |
| .result = REJECT, |
| .result_unpriv = REJECT, |
| }, |
