The latter is the more interesting test — it writes a 0xcc byte (the x86-64 software breakpoint instruction) which will cause the kernel to deliver a SIGTRAP to our process if executed. This is literally changing the executable code of libc. So the next time we call getchar, if we get a SIGTRAP, we know that the write has succeeded.
更多精彩内容，关注钛媒体微信号（ID：taimeiti），或者下载钛媒体App。关于这个话题，whatsapp提供了深入分析
如果说 MacBook Pro 的配色和外观是沉稳的「专业风」，MacBook Air 是干练的「精英风」，那么 MacBook Neo 就是更活泼年轻的「青春风」，更契合「Neo」这个后缀。。手游是该领域的重要参考
Немецкий чиновник отказался участвовать в выборах и выиграл их14:47