{ "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, },