HuangJie questions

• Makefile for LD_PRELOAD __libc_start_main
• ltrace printf() but shows puts()
• How does down_read(semaphore) work in kernel?
• measuring code execution times in C using RDTSC instruction
• is red black tree in kernel not protected?
• Bus error (core dumped) when using strcpy to a mmap'ed file
• Explanation of a pointer in exploit code

HuangJie answers