Peppa Pig

Fri May 22 02:40:01 2020 kern.info kernel: [ 20.024000] potentially unexpected fatal signal 11. Fri May 22 02:40:01 2020 kern.warn kernel: [ 20.036000] CPU: 0 PID: 1142 Comm: check_forver Tainted: G O 3.10.14 #10 Fri May 22 02:40:01 2020 kern...

Description: Severity: Very High Technical Impact: Execute unauthorized code CWE 119: Improper Restriction of Operations within the Bounds of a Memory Buffer Summary: The software performs operations on a memory buffer, but it can read from or write

Q：Large stack use Severity:High Techniacl Impact:Denial of service, unreliable execution Explain: 栈：在Windows下,栈是向低地址扩展的数据结构，是一块连续的内存的区域。这句话的意思是栈顶的地址和栈的最大容量是系统预先规定好的，在WINDOWS下，栈的大小是2M（也有的说是1M，总之是一个编译时就确定的常数），如果申请的空间超过栈的剩余空间时，将提示overflow。因此，能从栈获得的空间较小。 堆.