Valid solution for level 2 with target rtarget Ouch!: You caused a segmentation fault! Better luck next time FAIL: Would have posted the following: user id bovik course 15213-f15 lab attacklab result 1:FAIL:0xffffffff:rtarget:0:00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0...
It marks the section of memory holding the stack as nonexecutable, so even if you could set the program counter to the start of your injected code, the program would fail with a segmentation fault. 解决方法: The strategy with ROP is to identify byte sequences within an existing program tha...