2021-10-27 18:46:41 +05:00
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{
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"check bpf_perf_event_data->sample_period byte load permitted",
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.insns = {
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BPF_MOV64_IMM(BPF_REG_0, 0),
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2022-03-15 21:16:25 +05:00
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#if __BYTE_ORDER == __LITTLE_ENDIAN
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2021-10-27 18:46:41 +05:00
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BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
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offsetof(struct bpf_perf_event_data, sample_period)),
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#else
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BPF_LDX_MEM(BPF_B, BPF_REG_0, BPF_REG_1,
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offsetof(struct bpf_perf_event_data, sample_period) + 7),
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#endif
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BPF_EXIT_INSN(),
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},
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.result = ACCEPT,
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.prog_type = BPF_PROG_TYPE_PERF_EVENT,
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},
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{
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"check bpf_perf_event_data->sample_period half load permitted",
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.insns = {
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BPF_MOV64_IMM(BPF_REG_0, 0),
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2022-03-15 21:16:25 +05:00
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#if __BYTE_ORDER == __LITTLE_ENDIAN
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2021-10-27 18:46:41 +05:00
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BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
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offsetof(struct bpf_perf_event_data, sample_period)),
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#else
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BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_1,
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offsetof(struct bpf_perf_event_data, sample_period) + 6),
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#endif
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BPF_EXIT_INSN(),
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},
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.result = ACCEPT,
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.prog_type = BPF_PROG_TYPE_PERF_EVENT,
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},
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{
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"check bpf_perf_event_data->sample_period word load permitted",
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.insns = {
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BPF_MOV64_IMM(BPF_REG_0, 0),
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2022-03-15 21:16:25 +05:00
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#if __BYTE_ORDER == __LITTLE_ENDIAN
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2021-10-27 18:46:41 +05:00
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BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
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offsetof(struct bpf_perf_event_data, sample_period)),
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#else
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BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1,
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offsetof(struct bpf_perf_event_data, sample_period) + 4),
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#endif
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BPF_EXIT_INSN(),
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},
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.result = ACCEPT,
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.prog_type = BPF_PROG_TYPE_PERF_EVENT,
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},
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{
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"check bpf_perf_event_data->sample_period dword load permitted",
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.insns = {
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BPF_MOV64_IMM(BPF_REG_0, 0),
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BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1,
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offsetof(struct bpf_perf_event_data, sample_period)),
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BPF_EXIT_INSN(),
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},
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.result = ACCEPT,
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.prog_type = BPF_PROG_TYPE_PERF_EVENT,
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},
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