How to debug stack-overwriting errors with Valgrind?
问题 I just spent some time chasing down a bug that boiled down to the following. Code was erroneously overwriting the stack, and I think it wrote over the return address of the function call. Following the return, the program would crash and stack would be corrupted. Running the program in valgrind would return an error such as: vex x86->IR: unhandled instruction bytes: 0xEA 0x3 0x0 0x0 ==9222== valgrind: Unrecognised instruction at address 0x4e925a8. I figure this is because the return jumped to