Step 4. If any updates are available, click on "Download and install" to start the download and installation process. Depending on the size of the update, this process may take some time. Step 5. Once the update is installed, you will be prompted to restart your computer to complete the...
PC机上引导程序一般由BIOS开始执行,然后读取硬盘中位于MBR(Main Boot Record,主引导记录)中的Bootloader(例如LILO或GRUB),并进一步引导操作系统的启动。 嵌入式系统中通常没有像BIOS那样的固件程序,因此整个系统的加载启动就完全由bootloader来完成,它主要的功能是加载与引导内核映像。 一个嵌入式的存储设备通过通常包括四...
Loaded: loaded (/usr/lib/systemd/system/abrt-oops.service; enabled; vendor preset: enabled) Active: failed (Result: exit-code) since Tue 2022-08-30 00:42:38 PDT; 14min ago Process: 2241 ExecStart=/usr/bin/abrt-dump-journal-oops -fxtD (code=exited, status=1/FAILURE) Main PID: 2241...
The focus will be mainly on WinDbg, a kernel-mode and user-mode debugger with a graphical interface. KD is more useful for scripts and automated debugging and enjoys the reputation of being the tool of choice of the most serious programmers, but this tutorial will focus on WinDbg and will ...
1typedef void (*crypto_completion_t)(struct crypto_async_request *req, int err); 2 3struct crypto_async_request { 4 struct list_head list; 5 crypto_completion_t complete; 6 void *data; 7 struct crypto_tfm *tfm; 8 9 u32 flags; 10}; 另外,struct crypto_async_request则是包含一个call...
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然后在complete_signal()里因为SIGTERM是sig_fatal信号,所以会遍历这个进程里的所有线程,将每个线程的的pending信号集上置上SIGKILL,并且将这个进程的task_struct的signal_struct的flag值设置为SIGNAL_GROUP_EXIT 然后是这个进程里的每个线程均去处理这个SIGKILL信号,在get_signal()里,因为进程的task_struct.signal_struct...
openGauss installation complete. 编译后的软件安装路径为: $GAUSSHOME。 编译后的二进制文件存放路径为:$GAUSSHOME/bin。 cmake编译方式: 1.获取对应的开源三方库二进制文件 2.配置环境变量 ### 选择版本、平台信息 export DEBUG_TYPE=release export BUILD_TUPLE=aarch64 export GCC_VERSION=10.3.1 ### 导入...
2021: "How a simple Linux kernel memory corruption bug can lead to complete system compromise" by Jann Horn [article] [CVE-TBD]2021: "SuDump: Exploiting suid binaries through the kernel" by Itai Greenhut [article] [CVE-TBD]2021: "CVE-2021-34866 Writeup" by HexRabbit [article] [CVE-...