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