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字段 | 内容 |
---|---|
缺陷编号 | 2108303213624 |
缺陷描述 | Out-of-bounds read - Overrunning array "__per_cpu_offset" of 1024 8-byte elements at element index 1024 (byte offset 8199) using index "cpu" (which evaluates to 1024) |
缺陷类型 | Memory - illegal accesses |
影响程度 | High |
处理结果 | Unclassfied |
EntryPoint | cacheinfo_shared_cpu_map_search |
FileName | drivers/base/cacheinfo.c:242 |
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变量cpu来源于for_each_online_cpu(cpu)
#define for_each_online_cpu(cpu) for_each_cpu((cpu), cpu_online_mask)
#define for_each_cpu(cpu, mask)
for ((cpu) = 0; (cpu) < 1; (cpu)++, (void)mask)
可以看出变量CPU不会大于1024
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