334 lines
11 KiB
C
334 lines
11 KiB
C
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{
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"spin_lock: test1 success",
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.insns = {
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BPF_ST_MEM(BPF_W, BPF_REG_10, -4, 0),
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BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
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BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -4),
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BPF_LD_MAP_FD(BPF_REG_1,
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0),
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BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
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BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
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BPF_EXIT_INSN(),
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BPF_MOV64_REG(BPF_REG_6, BPF_REG_0),
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BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
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BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 4),
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BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_spin_lock),
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BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
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BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 4),
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BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_6, 0),
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BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_spin_unlock),
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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_map_spin_lock = { 3 },
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.result = ACCEPT,
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.result_unpriv = REJECT,
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.errstr_unpriv = "",
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.prog_type = BPF_PROG_TYPE_CGROUP_SKB,
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},
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{
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"spin_lock: test2 direct ld/st",
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.insns = {
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BPF_ST_MEM(BPF_W, BPF_REG_10, -4, 0),
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BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
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BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -4),
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BPF_LD_MAP_FD(BPF_REG_1,
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0),
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BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
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BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
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BPF_EXIT_INSN(),
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BPF_MOV64_REG(BPF_REG_6, BPF_REG_0),
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BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
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BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 4),
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BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_spin_lock),
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BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
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BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 4),
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BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, 0),
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BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_spin_unlock),
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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_map_spin_lock = { 3 },
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.result = REJECT,
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.errstr = "cannot be accessed directly",
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.result_unpriv = REJECT,
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.errstr_unpriv = "",
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.prog_type = BPF_PROG_TYPE_CGROUP_SKB,
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},
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{
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"spin_lock: test3 direct ld/st",
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.insns = {
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BPF_ST_MEM(BPF_W, BPF_REG_10, -4, 0),
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BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
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BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -4),
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BPF_LD_MAP_FD(BPF_REG_1,
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0),
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BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
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BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
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BPF_EXIT_INSN(),
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BPF_MOV64_REG(BPF_REG_6, BPF_REG_0),
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BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
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BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 4),
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BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_spin_lock),
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BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
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BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 4),
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BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_6, 1),
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BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_spin_unlock),
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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_map_spin_lock = { 3 },
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.result = REJECT,
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.errstr = "cannot be accessed directly",
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.result_unpriv = REJECT,
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.errstr_unpriv = "",
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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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"spin_lock: test4 direct ld/st",
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.insns = {
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BPF_ST_MEM(BPF_W, BPF_REG_10, -4, 0),
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BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
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BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -4),
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BPF_LD_MAP_FD(BPF_REG_1,
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0),
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BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
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BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
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BPF_EXIT_INSN(),
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BPF_MOV64_REG(BPF_REG_6, BPF_REG_0),
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BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
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BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 4),
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BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_spin_lock),
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BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
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BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 4),
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BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_6, 3),
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BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_spin_unlock),
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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_map_spin_lock = { 3 },
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.result = REJECT,
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.errstr = "cannot be accessed directly",
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.result_unpriv = REJECT,
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.errstr_unpriv = "",
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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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"spin_lock: test5 call within a locked region",
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.insns = {
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BPF_ST_MEM(BPF_W, BPF_REG_10, -4, 0),
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BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
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BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -4),
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BPF_LD_MAP_FD(BPF_REG_1,
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0),
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BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
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BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
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BPF_EXIT_INSN(),
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BPF_MOV64_REG(BPF_REG_6, BPF_REG_0),
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BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
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BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 4),
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BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_spin_lock),
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BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_prandom_u32),
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BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
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BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 4),
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BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_spin_unlock),
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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_map_spin_lock = { 3 },
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.result = REJECT,
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.errstr = "calls are not allowed",
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.result_unpriv = REJECT,
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.errstr_unpriv = "",
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.prog_type = BPF_PROG_TYPE_CGROUP_SKB,
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},
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{
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"spin_lock: test6 missing unlock",
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.insns = {
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BPF_ST_MEM(BPF_W, BPF_REG_10, -4, 0),
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BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
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BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -4),
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BPF_LD_MAP_FD(BPF_REG_1,
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0),
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BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
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BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
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BPF_EXIT_INSN(),
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BPF_MOV64_REG(BPF_REG_6, BPF_REG_0),
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BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
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BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 4),
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BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_spin_lock),
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BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
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BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 4),
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BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_6, 0),
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BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
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BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_spin_unlock),
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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_map_spin_lock = { 3 },
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.result = REJECT,
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.errstr = "unlock is missing",
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.result_unpriv = REJECT,
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.errstr_unpriv = "",
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.prog_type = BPF_PROG_TYPE_CGROUP_SKB,
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},
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{
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"spin_lock: test7 unlock without lock",
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.insns = {
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BPF_ST_MEM(BPF_W, BPF_REG_10, -4, 0),
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BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
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BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -4),
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BPF_LD_MAP_FD(BPF_REG_1,
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0),
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BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
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BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
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BPF_EXIT_INSN(),
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BPF_MOV64_REG(BPF_REG_6, BPF_REG_0),
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BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
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BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 4),
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BPF_JMP_IMM(BPF_JNE, BPF_REG_1, 0, 1),
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BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_spin_lock),
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BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
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BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 4),
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BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_6, 0),
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BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_spin_unlock),
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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_map_spin_lock = { 3 },
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.result = REJECT,
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.errstr = "without taking a lock",
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.result_unpriv = REJECT,
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.errstr_unpriv = "",
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.prog_type = BPF_PROG_TYPE_CGROUP_SKB,
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},
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{
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"spin_lock: test8 double lock",
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.insns = {
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BPF_ST_MEM(BPF_W, BPF_REG_10, -4, 0),
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BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
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BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -4),
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BPF_LD_MAP_FD(BPF_REG_1,
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0),
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BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
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BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
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BPF_EXIT_INSN(),
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BPF_MOV64_REG(BPF_REG_6, BPF_REG_0),
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BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
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BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 4),
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BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_spin_lock),
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BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
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BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 4),
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BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_spin_lock),
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BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
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BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 4),
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BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_6, 0),
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BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_spin_unlock),
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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_map_spin_lock = { 3 },
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.result = REJECT,
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.errstr = "calls are not allowed",
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.result_unpriv = REJECT,
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.errstr_unpriv = "",
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.prog_type = BPF_PROG_TYPE_CGROUP_SKB,
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},
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{
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"spin_lock: test9 different lock",
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.insns = {
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BPF_ST_MEM(BPF_W, BPF_REG_10, -4, 0),
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BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
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BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -4),
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BPF_LD_MAP_FD(BPF_REG_1,
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0),
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BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
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BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
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BPF_EXIT_INSN(),
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BPF_MOV64_REG(BPF_REG_6, BPF_REG_0),
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BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
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BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -4),
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BPF_LD_MAP_FD(BPF_REG_1,
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0),
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BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
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BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
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BPF_EXIT_INSN(),
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BPF_MOV64_REG(BPF_REG_7, BPF_REG_0),
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BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
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BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 4),
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BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_spin_lock),
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BPF_MOV64_REG(BPF_REG_1, BPF_REG_7),
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BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 4),
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BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_spin_unlock),
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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_map_spin_lock = { 3, 11 },
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.result = REJECT,
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.errstr = "unlock of different lock",
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.result_unpriv = REJECT,
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.errstr_unpriv = "",
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.prog_type = BPF_PROG_TYPE_CGROUP_SKB,
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},
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|
|
{
|
||
|
|
"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,
|
||
|
|
},
|