| { | |
| "valid cgroup storage access", | |
| .insns = { | |
| BPF_MOV64_IMM(BPF_REG_2, 0), | |
| BPF_LD_MAP_FD(BPF_REG_1, 0), | |
| BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_local_storage), | |
| BPF_LDX_MEM(BPF_W, BPF_REG_1, BPF_REG_0, 0), | |
| BPF_MOV64_REG(BPF_REG_0, BPF_REG_1), | |
| BPF_ALU64_IMM(BPF_AND, BPF_REG_0, 1), | |
| BPF_EXIT_INSN(), | |
| }, | |
| .fixup_cgroup_storage = { 1 }, | |
| .result = ACCEPT, | |
| .prog_type = BPF_PROG_TYPE_CGROUP_SKB, | |
| }, | |
| { | |
| "invalid cgroup storage access 1", | |
| .insns = { | |
| BPF_MOV64_IMM(BPF_REG_2, 0), | |
| BPF_LD_MAP_FD(BPF_REG_1, 0), | |
| BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_local_storage), | |
| BPF_LDX_MEM(BPF_W, BPF_REG_1, BPF_REG_0, 0), | |
| BPF_MOV64_REG(BPF_REG_0, BPF_REG_1), | |
| BPF_ALU64_IMM(BPF_AND, BPF_REG_0, 1), | |
| BPF_EXIT_INSN(), | |
| }, | |
| .fixup_map_hash_8b = { 1 }, | |
| .result = REJECT, | |
| .errstr = "cannot pass map_type 1 into func bpf_get_local_storage", | |
| .prog_type = BPF_PROG_TYPE_CGROUP_SKB, | |
| }, | |
| { | |
| "invalid cgroup storage access 2", | |
| .insns = { | |
| BPF_MOV64_IMM(BPF_REG_2, 0), | |
| BPF_LD_MAP_FD(BPF_REG_1, 1), | |
| BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_local_storage), | |
| BPF_ALU64_IMM(BPF_AND, BPF_REG_0, 1), | |
| BPF_EXIT_INSN(), | |
| }, | |
| .result = REJECT, | |
| .errstr = "fd 1 is not pointing to valid bpf_map", | |
| .prog_type = BPF_PROG_TYPE_CGROUP_SKB, | |
| }, | |
| { | |
| "invalid cgroup storage access 3", | |
| .insns = { | |
| BPF_MOV64_IMM(BPF_REG_2, 0), | |
| BPF_LD_MAP_FD(BPF_REG_1, 0), | |
| BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_local_storage), | |
| BPF_LDX_MEM(BPF_W, BPF_REG_1, BPF_REG_0, 256), | |
| BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 1), | |
| BPF_MOV64_IMM(BPF_REG_0, 0), | |
| BPF_EXIT_INSN(), | |
| }, | |
| .fixup_cgroup_storage = { 1 }, | |
| .result = REJECT, | |
| .errstr = "invalid access to map value, value_size=64 off=256 size=4", | |
| .prog_type = BPF_PROG_TYPE_CGROUP_SKB, | |
| }, | |
| { | |
| "invalid cgroup storage access 4", | |
| .insns = { | |
| BPF_MOV64_IMM(BPF_REG_2, 0), | |
| BPF_LD_MAP_FD(BPF_REG_1, 0), | |
| BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_local_storage), | |
| BPF_LDX_MEM(BPF_W, BPF_REG_1, BPF_REG_0, -2), | |
| BPF_MOV64_REG(BPF_REG_0, BPF_REG_1), | |
| BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 1), | |
| BPF_EXIT_INSN(), | |
| }, | |
| .fixup_cgroup_storage = { 1 }, | |
| .result = REJECT, | |
| .errstr = "invalid access to map value, value_size=64 off=-2 size=4", | |
| .prog_type = BPF_PROG_TYPE_CGROUP_SKB, | |
| .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, | |
| }, | |
| { | |
| "invalid cgroup storage access 5", | |
| .insns = { | |
| BPF_MOV64_IMM(BPF_REG_2, 7), | |
| BPF_LD_MAP_FD(BPF_REG_1, 0), | |
| BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_local_storage), | |
| BPF_LDX_MEM(BPF_W, BPF_REG_1, BPF_REG_0, 0), | |
| BPF_MOV64_REG(BPF_REG_0, BPF_REG_1), | |
| BPF_ALU64_IMM(BPF_AND, BPF_REG_0, 1), | |
| BPF_EXIT_INSN(), | |
| }, | |
| .fixup_cgroup_storage = { 1 }, | |
| .result = REJECT, | |
| .errstr = "get_local_storage() doesn't support non-zero flags", | |
| .prog_type = BPF_PROG_TYPE_CGROUP_SKB, | |
| }, | |
| { | |
| "invalid cgroup storage access 6", | |
| .insns = { | |
| BPF_MOV64_REG(BPF_REG_2, BPF_REG_1), | |
| BPF_LD_MAP_FD(BPF_REG_1, 0), | |
| BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_local_storage), | |
| BPF_LDX_MEM(BPF_W, BPF_REG_1, BPF_REG_0, 0), | |
| BPF_MOV64_REG(BPF_REG_0, BPF_REG_1), | |
| BPF_ALU64_IMM(BPF_AND, BPF_REG_0, 1), | |
| BPF_EXIT_INSN(), | |
| }, | |
| .fixup_cgroup_storage = { 1 }, | |
| .result = REJECT, | |
| .errstr = "get_local_storage() doesn't support non-zero flags", | |
| .errstr_unpriv = "R2 leaks addr into helper function", | |
| .prog_type = BPF_PROG_TYPE_CGROUP_SKB, | |
| }, | |
| { | |
| "valid per-cpu cgroup storage access", | |
| .insns = { | |
| BPF_MOV64_IMM(BPF_REG_2, 0), | |
| BPF_LD_MAP_FD(BPF_REG_1, 0), | |
| BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_local_storage), | |
| BPF_LDX_MEM(BPF_W, BPF_REG_1, BPF_REG_0, 0), | |
| BPF_MOV64_REG(BPF_REG_0, BPF_REG_1), | |
| BPF_ALU64_IMM(BPF_AND, BPF_REG_0, 1), | |
| BPF_EXIT_INSN(), | |
| }, | |
| .fixup_percpu_cgroup_storage = { 1 }, | |
| .result = ACCEPT, | |
| .prog_type = BPF_PROG_TYPE_CGROUP_SKB, | |
| }, | |
| { | |
| "invalid per-cpu cgroup storage access 1", | |
| .insns = { | |
| BPF_MOV64_IMM(BPF_REG_2, 0), | |
| BPF_LD_MAP_FD(BPF_REG_1, 0), | |
| BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_local_storage), | |
| BPF_LDX_MEM(BPF_W, BPF_REG_1, BPF_REG_0, 0), | |
| BPF_MOV64_REG(BPF_REG_0, BPF_REG_1), | |
| BPF_ALU64_IMM(BPF_AND, BPF_REG_0, 1), | |
| BPF_EXIT_INSN(), | |
| }, | |
| .fixup_map_hash_8b = { 1 }, | |
| .result = REJECT, | |
| .errstr = "cannot pass map_type 1 into func bpf_get_local_storage", | |
| .prog_type = BPF_PROG_TYPE_CGROUP_SKB, | |
| }, | |
| { | |
| "invalid per-cpu cgroup storage access 2", | |
| .insns = { | |
| BPF_MOV64_IMM(BPF_REG_2, 0), | |
| BPF_LD_MAP_FD(BPF_REG_1, 1), | |
| BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_local_storage), | |
| BPF_ALU64_IMM(BPF_AND, BPF_REG_0, 1), | |
| BPF_EXIT_INSN(), | |
| }, | |
| .result = REJECT, | |
| .errstr = "fd 1 is not pointing to valid bpf_map", | |
| .prog_type = BPF_PROG_TYPE_CGROUP_SKB, | |
| }, | |
| { | |
| "invalid per-cpu cgroup storage access 3", | |
| .insns = { | |
| BPF_MOV64_IMM(BPF_REG_2, 0), | |
| BPF_LD_MAP_FD(BPF_REG_1, 0), | |
| BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_local_storage), | |
| BPF_LDX_MEM(BPF_W, BPF_REG_1, BPF_REG_0, 256), | |
| BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 1), | |
| BPF_MOV64_IMM(BPF_REG_0, 0), | |
| BPF_EXIT_INSN(), | |
| }, | |
| .fixup_percpu_cgroup_storage = { 1 }, | |
| .result = REJECT, | |
| .errstr = "invalid access to map value, value_size=64 off=256 size=4", | |
| .prog_type = BPF_PROG_TYPE_CGROUP_SKB, | |
| }, | |
| { | |
| "invalid per-cpu cgroup storage access 4", | |
| .insns = { | |
| BPF_MOV64_IMM(BPF_REG_2, 0), | |
| BPF_LD_MAP_FD(BPF_REG_1, 0), | |
| BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_local_storage), | |
| BPF_LDX_MEM(BPF_W, BPF_REG_1, BPF_REG_0, -2), | |
| BPF_MOV64_REG(BPF_REG_0, BPF_REG_1), | |
| BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 1), | |
| BPF_EXIT_INSN(), | |
| }, | |
| .fixup_cgroup_storage = { 1 }, | |
| .result = REJECT, | |
| .errstr = "invalid access to map value, value_size=64 off=-2 size=4", | |
| .prog_type = BPF_PROG_TYPE_CGROUP_SKB, | |
| .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, | |
| }, | |
| { | |
| "invalid per-cpu cgroup storage access 5", | |
| .insns = { | |
| BPF_MOV64_IMM(BPF_REG_2, 7), | |
| BPF_LD_MAP_FD(BPF_REG_1, 0), | |
| BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_local_storage), | |
| BPF_LDX_MEM(BPF_W, BPF_REG_1, BPF_REG_0, 0), | |
| BPF_MOV64_REG(BPF_REG_0, BPF_REG_1), | |
| BPF_ALU64_IMM(BPF_AND, BPF_REG_0, 1), | |
| BPF_EXIT_INSN(), | |
| }, | |
| .fixup_percpu_cgroup_storage = { 1 }, | |
| .result = REJECT, | |
| .errstr = "get_local_storage() doesn't support non-zero flags", | |
| .prog_type = BPF_PROG_TYPE_CGROUP_SKB, | |
| }, | |
| { | |
| "invalid per-cpu cgroup storage access 6", | |
| .insns = { | |
| BPF_MOV64_REG(BPF_REG_2, BPF_REG_1), | |
| BPF_LD_MAP_FD(BPF_REG_1, 0), | |
| BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_local_storage), | |
| BPF_LDX_MEM(BPF_W, BPF_REG_1, BPF_REG_0, 0), | |
| BPF_MOV64_REG(BPF_REG_0, BPF_REG_1), | |
| BPF_ALU64_IMM(BPF_AND, BPF_REG_0, 1), | |
| BPF_EXIT_INSN(), | |
| }, | |
| .fixup_percpu_cgroup_storage = { 1 }, | |
| .result = REJECT, | |
| .errstr = "get_local_storage() doesn't support non-zero flags", | |
| .errstr_unpriv = "R2 leaks addr into helper function", | |
| .prog_type = BPF_PROG_TYPE_CGROUP_SKB, | |
| }, |