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kernel利用pt regs劫持seq operations的遷移過程詳解_C 語言_腳本之家
劫持seq_operations進行棧遷移 seq_operations是一個大小為0x20的結(jié)構(gòu)體,在打開/proc/self/stat會申請出來。里面定義了四個函數(shù)指針,通過他們可以泄露出內(nèi)核基地址。 1 2 3 4 5 6 struct seq_operations { void * (*start) (struct seq_file *m, loff_t *pos); void (*sto
www.dbjr.com.cn/article/2481...htm 2025-5-28
5. 數(shù)據(jù)結(jié)構(gòu) Data Structures
5.3 元組(Tuples)和序列(Sequences )Tuples and Sequences We saw that lists and strings have many common properties, such as indexing and slicing operations. They are two examples ofsequencedata types. Since Python is an evolving language, other sequence data types may be added. There is also ...
www.dbjr.com.cn/shouce/python/python_cn... 2025-6-8
SysBench系統(tǒng)性能基準測試工具_主機測評網(wǎng)
--file-test-mode=STRING 文件測試模式{seqwr(順序?qū)?, seqrewr(順序讀寫), seqrd(順序讀), rndrd(隨機讀), rndwr(隨機寫), rndrw(隨機讀寫)} --file-io-mode=STRING 文件操作模式{sync(同步),async(異步),fastmmap(快速map映射),slowmmap(慢map映射)}。默認是sync --file-extra-flags=STRING 使用...
zhuji.jb51.net/yunwei/82...html 2025-6-11
SDO XML Data Access Service Functions
$seq->insert(12345); $seq->insert(" has been dispatched today. Thanks for your business with us."); $type = $do->getType(); print($xmldas->saveDataObjectToString($do, $type[0], $type[1])); } catch (SDO_Exception $e) { print($e); }} catch (SDO_TypeNotFoundException $e)...
www.dbjr.com.cn/shouce/php5/zh/ref.sdo-... 2025-6-10
python中l(wèi)ist列表的高級函數(shù)_python_腳本之家
seq = range(8) #定義一個列表 > def add(x, y): return x+y #自定義函數(shù),有兩個形參 ... > map(add, seq, seq) #使用map函數(shù),后兩個參數(shù)為函數(shù)add對應(yīng)的操作數(shù),如果列表長度不一致會出現(xiàn)錯誤 [0, 2, 4, 6, 8, 10, 12, 14] 3)、reduce(function, sequence): reduce函數(shù)功能是將sequenc...
www.dbjr.com.cn/article/844...htm 2025-5-30
再談遠程控制linux下_unix linux_腳本之家
; Favor correctness over speed in some graphics operations "PerfectGraphics" = "N" ; Color depth to use on multi-depth screens ;;"ScreenDepth" = "16" ; Name of X11 display to use ;;"Display" = ":0.0" ; Allow the window manager to manage created windows ...
www.dbjr.com.cn/article/34...htm 2025-6-9
利用kernel提供的接口打印進程號(pid)_linux shell_腳本之家
我們知道linux是模塊化的內(nèi)核。實現(xiàn)模塊、利用kernel提供的接口,首先了解寫模塊的基本框架。下面的c文件就是最基本的框架,當然還有怎樣添加一些符號變量,利用的module_param,沒用上 GPT4.0+Midjourney繪畫+國內(nèi)大模型 會員永久免費使用! 【如果你想靠AI翻身,你先需要一個靠譜的工具!】 ...
www.dbjr.com.cn/article/432...htm 2025-5-21
Oracle和Mysql的主要區(qū)別_oracle_腳本之家
id NUMBER DEFAULT seq_name.NEXTVAL ); MySQL:使用 AUTO_INCREMENT 來定義自增列。 1 2 3 CREATE TABLE test_table ( id INT AUTO_INCREMENT PRIMARY KEY ); 3. 字符串連接 Oracle:使用 || 來連接字符串。 1 SELECT 'Hello ' || 'World' FROM dual; MySQL:使用 CONCAT() 函數(shù)來連接字符串。 1 SEL...
www.dbjr.com.cn/database/341088v...htm 2025-6-7
Linux中計算特定CPU使用率案例詳解_LINUX_操作系統(tǒng)_腳本之家
.read = seq_read, .llseek = seq_lseek, .release = single_release, }; static int __init proc_stat_init(void) { proc_create("stat", 0, NULL, &proc_stat_operations); return 0; } fs_initcall(proc_stat_init); 參考 http://man7.org/linux/man-pages/man5/proc.5.html https://gith...
www.dbjr.com.cn/linuxjishu/7884...html 2025-5-29