Race Condition Hackviser [top] -

This paper presents:

Example scenario from Hackviser:

: Ensuring the check and the update happen as one single, uninterruptible unit. race condition hackviser

# Wait for the malicious thread to complete malicious_thread.join() This paper presents: Example scenario from Hackviser: :

if (access("/etc/passwd.lock", W_OK) == 0) sleep(1); // Artificial delay! fd = open("/etc/passwd.lock", O_WRONLY); write(fd, attacker_data, len); W_OK) == 0) sleep(1)