45 lines
1.6 KiB
C
45 lines
1.6 KiB
C
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{
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"bpf_get_stack return R0 within range",
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.insns = {
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BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
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BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 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, -8),
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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_map_lookup_elem),
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BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 28),
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BPF_MOV64_REG(BPF_REG_7, BPF_REG_0),
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BPF_MOV64_IMM(BPF_REG_9, sizeof(struct test_val)),
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BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
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BPF_MOV64_REG(BPF_REG_2, BPF_REG_7),
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BPF_MOV64_IMM(BPF_REG_3, sizeof(struct test_val)),
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BPF_MOV64_IMM(BPF_REG_4, 256),
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BPF_EMIT_CALL(BPF_FUNC_get_stack),
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BPF_MOV64_IMM(BPF_REG_1, 0),
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BPF_MOV64_REG(BPF_REG_8, BPF_REG_0),
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BPF_ALU64_IMM(BPF_LSH, BPF_REG_8, 32),
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BPF_ALU64_IMM(BPF_ARSH, BPF_REG_8, 32),
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BPF_JMP_REG(BPF_JSLT, BPF_REG_1, BPF_REG_8, 16),
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BPF_ALU64_REG(BPF_SUB, BPF_REG_9, BPF_REG_8),
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BPF_MOV64_REG(BPF_REG_2, BPF_REG_7),
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BPF_ALU64_REG(BPF_ADD, BPF_REG_2, BPF_REG_8),
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BPF_MOV64_REG(BPF_REG_1, BPF_REG_9),
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BPF_ALU64_IMM(BPF_LSH, BPF_REG_1, 32),
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BPF_ALU64_IMM(BPF_ARSH, BPF_REG_1, 32),
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BPF_MOV64_REG(BPF_REG_3, BPF_REG_2),
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BPF_ALU64_REG(BPF_ADD, BPF_REG_3, BPF_REG_1),
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BPF_MOV64_REG(BPF_REG_1, BPF_REG_7),
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BPF_MOV64_IMM(BPF_REG_5, sizeof(struct test_val)),
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BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_5),
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BPF_JMP_REG(BPF_JGE, BPF_REG_3, BPF_REG_1, 4),
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BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
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BPF_MOV64_REG(BPF_REG_3, BPF_REG_9),
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BPF_MOV64_IMM(BPF_REG_4, 0),
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BPF_EMIT_CALL(BPF_FUNC_get_stack),
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BPF_EXIT_INSN(),
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},
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.fixup_map_hash_48b = { 4 },
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.result = ACCEPT,
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.prog_type = BPF_PROG_TYPE_TRACEPOINT,
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},
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