如果程序使用ptrace来检测它是否在调试器中运行,我发现了下面的技巧:
catch syscall ptrace
commands 1
set ($eax) = 0
continue
end
有人能解释一下它是怎么工作的吗?我试图在i r eax之后插入commands 1,但是我不理解我得到的负值:
Catchpoint 1 (call to syscall ptrace), 0x00007ffff778af1e in ptrace (request=PTRACE_TRACEME) at ../sysdeps/unix/sysv/linux/ptrace.c:45
45 ../sysde
尝试将公开可用的AWS DL AMI应用于EMR集群时,我遇到以下错误(emr-6.2.0,spark 3.0.1) 在应用程序阶段的puppet.log文件中: ERROR: An NVIDIA kernel module 'nvidia' appears to already be loaded in your kernel. This may be because it is in use (for example, by an X server, a CUDA program, or the NVIDIA Persistence Daemon), but this m