| { |
| "spin_lock: test1 success", |
| .insns = { |
| BPF_ST_MEM(BPF_W, BPF_REG_10, -4, 0), |
| BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), |
| BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -4), |
| 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_JNE, BPF_REG_0, 0, 1), |
| BPF_EXIT_INSN(), |
| BPF_MOV64_REG(BPF_REG_6, BPF_REG_0), |
| BPF_MOV64_REG(BPF_REG_1, BPF_REG_0), |
| BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 4), |
| BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_spin_lock), |
| BPF_MOV64_REG(BPF_REG_1, BPF_REG_6), |
| BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 4), |
| BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_6, 0), |
| BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_spin_unlock), |
| BPF_MOV64_IMM(BPF_REG_0, 0), |
| BPF_EXIT_INSN(), |
| }, |
| .fixup_map_spin_lock = { 3 }, |
| .result = ACCEPT, |
| .result_unpriv = REJECT, |
| .errstr_unpriv = "", |
| .prog_type = BPF_PROG_TYPE_CGROUP_SKB, |
| }, |
| { |
| "spin_lock: test2 direct ld/st", |
| .insns = { |
| BPF_ST_MEM(BPF_W, BPF_REG_10, -4, 0), |
| BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), |
| BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -4), |
| 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_JNE, BPF_REG_0, 0, 1), |
| BPF_EXIT_INSN(), |
| BPF_MOV64_REG(BPF_REG_6, BPF_REG_0), |
| BPF_MOV64_REG(BPF_REG_1, BPF_REG_0), |
| BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 4), |
| BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_spin_lock), |
| BPF_MOV64_REG(BPF_REG_1, BPF_REG_6), |
| BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 4), |
| BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, 0), |
| BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_spin_unlock), |
| BPF_MOV64_IMM(BPF_REG_0, 0), |
| BPF_EXIT_INSN(), |
| }, |
| .fixup_map_spin_lock = { 3 }, |
| .result = REJECT, |
| .errstr = "cannot be accessed directly", |
| .result_unpriv = REJECT, |
| .errstr_unpriv = "", |
| .prog_type = BPF_PROG_TYPE_CGROUP_SKB, |
| }, |
| { |
| "spin_lock: test3 direct ld/st", |
| .insns = { |
| BPF_ST_MEM(BPF_W, BPF_REG_10, -4, 0), |
| BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), |
| BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -4), |
| 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_JNE, BPF_REG_0, 0, 1), |
| BPF_EXIT_INSN(), |
| BPF_MOV64_REG(BPF_REG_6, BPF_REG_0), |
| BPF_MOV64_REG(BPF_REG_1, BPF_REG_0), |
| BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 4), |
| BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_spin_lock), |
| BPF_MOV64_REG(BPF_REG_1, BPF_REG_6), |
| BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 4), |
| BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_6, 1), |
| BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_spin_unlock), |
| BPF_MOV64_IMM(BPF_REG_0, 0), |
| BPF_EXIT_INSN(), |
| }, |
| .fixup_map_spin_lock = { 3 }, |
| .result = REJECT, |
| .errstr = "cannot be accessed directly", |
| .result_unpriv = REJECT, |
| .errstr_unpriv = "", |
| .prog_type = BPF_PROG_TYPE_CGROUP_SKB, |
| .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, |
| }, |
| { |
| "spin_lock: test4 direct ld/st", |
| .insns = { |
| BPF_ST_MEM(BPF_W, BPF_REG_10, -4, 0), |
| BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), |
| BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -4), |
| 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_JNE, BPF_REG_0, 0, 1), |
| BPF_EXIT_INSN(), |
| BPF_MOV64_REG(BPF_REG_6, BPF_REG_0), |
| BPF_MOV64_REG(BPF_REG_1, BPF_REG_0), |
| BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 4), |
| BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_spin_lock), |
| BPF_MOV64_REG(BPF_REG_1, BPF_REG_6), |
| BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 4), |
| BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_6, 3), |
| BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_spin_unlock), |
| BPF_MOV64_IMM(BPF_REG_0, 0), |
| BPF_EXIT_INSN(), |
| }, |
| .fixup_map_spin_lock = { 3 }, |
| .result = REJECT, |
| .errstr = "cannot be accessed directly", |
| .result_unpriv = REJECT, |
| .errstr_unpriv = "", |
| .prog_type = BPF_PROG_TYPE_CGROUP_SKB, |
| .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, |
| }, |
| { |
| "spin_lock: test5 call within a locked region", |
| .insns = { |
| BPF_ST_MEM(BPF_W, BPF_REG_10, -4, 0), |
| BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), |
| BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -4), |
| 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_JNE, BPF_REG_0, 0, 1), |
| BPF_EXIT_INSN(), |
| BPF_MOV64_REG(BPF_REG_6, BPF_REG_0), |
| BPF_MOV64_REG(BPF_REG_1, BPF_REG_0), |
| BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 4), |
| BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_spin_lock), |
| BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_prandom_u32), |
| BPF_MOV64_REG(BPF_REG_1, BPF_REG_6), |
| BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 4), |
| BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_spin_unlock), |
| BPF_MOV64_IMM(BPF_REG_0, 0), |
| BPF_EXIT_INSN(), |
| }, |
| .fixup_map_spin_lock = { 3 }, |
| .result = REJECT, |
| .errstr = "calls are not allowed", |
| .result_unpriv = REJECT, |
| .errstr_unpriv = "", |
| .prog_type = BPF_PROG_TYPE_CGROUP_SKB, |
| }, |
| { |
| "spin_lock: test6 missing unlock", |
| .insns = { |
| BPF_ST_MEM(BPF_W, BPF_REG_10, -4, 0), |
| BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), |
| BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -4), |
| 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_JNE, BPF_REG_0, 0, 1), |
| BPF_EXIT_INSN(), |
| BPF_MOV64_REG(BPF_REG_6, BPF_REG_0), |
| BPF_MOV64_REG(BPF_REG_1, BPF_REG_0), |
| BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 4), |
| BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_spin_lock), |
| BPF_MOV64_REG(BPF_REG_1, BPF_REG_6), |
| BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 4), |
| BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_6, 0), |
| BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1), |
| BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_spin_unlock), |
| BPF_MOV64_IMM(BPF_REG_0, 0), |
| BPF_EXIT_INSN(), |
| }, |
| .fixup_map_spin_lock = { 3 }, |
| .result = REJECT, |
| .errstr = "unlock is missing", |
| .result_unpriv = REJECT, |
| .errstr_unpriv = "", |
| .prog_type = BPF_PROG_TYPE_CGROUP_SKB, |
| }, |
| { |
| "spin_lock: test7 unlock without lock", |
| .insns = { |
| BPF_ST_MEM(BPF_W, BPF_REG_10, -4, 0), |
| BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), |
| BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -4), |
| 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_JNE, BPF_REG_0, 0, 1), |
| BPF_EXIT_INSN(), |
| BPF_MOV64_REG(BPF_REG_6, BPF_REG_0), |
| BPF_MOV64_REG(BPF_REG_1, BPF_REG_0), |
| BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 4), |
| BPF_JMP_IMM(BPF_JNE, BPF_REG_1, 0, 1), |
| BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_spin_lock), |
| BPF_MOV64_REG(BPF_REG_1, BPF_REG_6), |
| BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 4), |
| BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_6, 0), |
| BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_spin_unlock), |
| BPF_MOV64_IMM(BPF_REG_0, 0), |
| BPF_EXIT_INSN(), |
| }, |
| .fixup_map_spin_lock = { 3 }, |
| .result = REJECT, |
| .errstr = "without taking a lock", |
| .result_unpriv = REJECT, |
| .errstr_unpriv = "", |
| .prog_type = BPF_PROG_TYPE_CGROUP_SKB, |
| }, |
| { |
| "spin_lock: test8 double lock", |
| .insns = { |
| BPF_ST_MEM(BPF_W, BPF_REG_10, -4, 0), |
| BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), |
| BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -4), |
| 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_JNE, BPF_REG_0, 0, 1), |
| BPF_EXIT_INSN(), |
| BPF_MOV64_REG(BPF_REG_6, BPF_REG_0), |
| BPF_MOV64_REG(BPF_REG_1, BPF_REG_0), |
| BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 4), |
| BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_spin_lock), |
| BPF_MOV64_REG(BPF_REG_1, BPF_REG_6), |
| BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 4), |
| BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_spin_lock), |
| BPF_MOV64_REG(BPF_REG_1, BPF_REG_6), |
| BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 4), |
| BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_6, 0), |
| BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_spin_unlock), |
| BPF_MOV64_IMM(BPF_REG_0, 0), |
| BPF_EXIT_INSN(), |
| }, |
| .fixup_map_spin_lock = { 3 }, |
| .result = REJECT, |
| .errstr = "calls are not allowed", |
| .result_unpriv = REJECT, |
| .errstr_unpriv = "", |
| .prog_type = BPF_PROG_TYPE_CGROUP_SKB, |
| }, |
| { |
| "spin_lock: test9 different lock", |
| .insns = { |
| BPF_ST_MEM(BPF_W, BPF_REG_10, -4, 0), |
| BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), |
| BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -4), |
| 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_JNE, BPF_REG_0, 0, 1), |
| BPF_EXIT_INSN(), |
| BPF_MOV64_REG(BPF_REG_6, BPF_REG_0), |
| BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), |
| BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -4), |
| 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_JNE, BPF_REG_0, 0, 1), |
| BPF_EXIT_INSN(), |
| BPF_MOV64_REG(BPF_REG_7, BPF_REG_0), |
| BPF_MOV64_REG(BPF_REG_1, BPF_REG_6), |
| BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 4), |
| BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_spin_lock), |
| BPF_MOV64_REG(BPF_REG_1, BPF_REG_7), |
| BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 4), |
| BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_spin_unlock), |
| BPF_MOV64_IMM(BPF_REG_0, 0), |
| BPF_EXIT_INSN(), |
| }, |
| .fixup_map_spin_lock = { 3, 11 }, |
| .result = REJECT, |
| .errstr = "unlock of different lock", |
| .result_unpriv = REJECT, |
| .errstr_unpriv = "", |
| .prog_type = BPF_PROG_TYPE_CGROUP_SKB, |
| }, |
| { |
| "spin_lock: test10 lock in subprog without unlock", |
| .insns = { |
| BPF_ST_MEM(BPF_W, BPF_REG_10, -4, 0), |
| BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), |
| BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -4), |
| 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_JNE, BPF_REG_0, 0, 1), |
| BPF_EXIT_INSN(), |
| BPF_MOV64_REG(BPF_REG_6, BPF_REG_0), |
| BPF_MOV64_REG(BPF_REG_1, BPF_REG_0), |
| BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 4), |
| BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 5), |
| BPF_MOV64_REG(BPF_REG_1, BPF_REG_6), |
| BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 4), |
| BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_spin_unlock), |
| BPF_MOV64_IMM(BPF_REG_0, 1), |
| BPF_EXIT_INSN(), |
| BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_spin_lock), |
| BPF_MOV64_IMM(BPF_REG_0, 0), |
| BPF_EXIT_INSN(), |
| }, |
| .fixup_map_spin_lock = { 3 }, |
| .result = REJECT, |
| .errstr = "unlock is missing", |
| .result_unpriv = REJECT, |
| .errstr_unpriv = "", |
| .prog_type = BPF_PROG_TYPE_CGROUP_SKB, |
| }, |
| { |
| "spin_lock: test11 ld_abs under lock", |
| .insns = { |
| BPF_MOV64_REG(BPF_REG_6, BPF_REG_1), |
| BPF_ST_MEM(BPF_W, BPF_REG_10, -4, 0), |
| BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), |
| BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -4), |
| 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_JNE, BPF_REG_0, 0, 1), |
| BPF_EXIT_INSN(), |
| BPF_MOV64_REG(BPF_REG_7, BPF_REG_0), |
| BPF_MOV64_REG(BPF_REG_1, BPF_REG_0), |
| BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 4), |
| BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_spin_lock), |
| BPF_LD_ABS(BPF_B, 0), |
| BPF_MOV64_REG(BPF_REG_1, BPF_REG_7), |
| BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 4), |
| BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_spin_unlock), |
| BPF_MOV64_IMM(BPF_REG_0, 0), |
| BPF_EXIT_INSN(), |
| }, |
| .fixup_map_spin_lock = { 4 }, |
| .result = REJECT, |
| .errstr = "inside bpf_spin_lock", |
| .prog_type = BPF_PROG_TYPE_SCHED_CLS, |
| }, |
