41 lines
1.1 KiB
C
41 lines
1.1 KiB
C
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{
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"direct stack access with 32-bit wraparound. test1",
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.insns = {
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BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
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BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 0x7fffffff),
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BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 0x7fffffff),
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BPF_MOV32_IMM(BPF_REG_0, 0),
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BPF_STX_MEM(BPF_B, BPF_REG_1, BPF_REG_0, 0),
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BPF_EXIT_INSN(),
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},
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.errstr = "fp pointer and 2147483647",
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.result = REJECT
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},
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{
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"direct stack access with 32-bit wraparound. test2",
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.insns = {
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BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
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BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 0x3fffffff),
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BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 0x3fffffff),
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BPF_MOV32_IMM(BPF_REG_0, 0),
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BPF_STX_MEM(BPF_B, BPF_REG_1, BPF_REG_0, 0),
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BPF_EXIT_INSN(),
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},
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.errstr = "fp pointer and 1073741823",
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.result = REJECT
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},
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{
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"direct stack access with 32-bit wraparound. test3",
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.insns = {
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BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
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BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 0x1fffffff),
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BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 0x1fffffff),
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BPF_MOV32_IMM(BPF_REG_0, 0),
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BPF_STX_MEM(BPF_B, BPF_REG_1, BPF_REG_0, 0),
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BPF_EXIT_INSN(),
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},
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.errstr = "fp pointer offset 1073741822",
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.errstr_unpriv = "R1 stack pointer arithmetic goes out of range",
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.result = REJECT
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},
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