kmemleak实现方法是一个插桩加扫描过程, 它提供一个kmemleak_alloc桩函数,这个函数会在内核slab、vmalloc、alloc_bootmem、pcpu_alloc等函数分配接口中被调用,每次调用时该函数均会创建一个kmemleak object记录分配内存的相关信息比如内存地址,大小,调用栈等,并将这个object加入到一个rbtree里面;当内核释放内存时,也会...
clear: clear list of current memory leak suspects, done by marking all current reported unreferenced objects grey, or free all kmemleak objects if kmemleak has been disabled. dump=<addr>: dump information about the object found at<addr> Kmemleak can also be disabled at boot-time by passingk...
BUG kmalloc-128 (Tainted: G B O ): Object already free---在64位系统,32字节的kmalloc变成了kmalloc-128,问题类型是:Object already free,也即重复释放。 --- INFO: Allocated in create_slub_error+0x20/0x80 [slub2] age=0 cpu=1 pid=791---...
unreferencedobject0xede22dc0(size128):---第一处可疑泄露128字节 comm"insmod", pid765, jiffies4294941257(age104.920s)---相关进程信息 hex dump (first32bytes):---二进制打印 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b ...
10. marking all current reported unreferenced objects grey 11. dump=<addr> - dump information about the object found at <addr> 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 如果要是测试内核模块,正确的操作步骤应为: 1、 清除kmemleak的历史信息,以便记录新数据: ...
Use object_cache instead of kmemleak_initialized to check in set_track_prepare(), so that memory leaks after kmemleak_init() can be recorded and Rename kmemleak_initialized to kmemleak_late_initialized unreferenced object 0xc674ca80 (size 64): comm "swapper/0", pid 1, jiffies 4294938337 ...
Add a per-CPU memory leak, which will be reported like: unreferenced object 0x3efa840195f8 (size 64): comm "modprobe", pid 4667, jiffies 4294688677 hex dump (first 32 bytes on cpu 0): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ... 00 00 00 00 00 00 00 00 00 00...
* kmemleak_not_leak - mark an allocated object as false positive * @ptr: pointer to beginning of the object * * Calling this function on an object will cause the memory block to no longer * be reported as leak and always be scanned. ...
一：获取数据 使用命令 netstat -anp | less //命令介绍： netstat ： linux中查看网络状态的...
unreferenced object 0xede22dc0 (size 128):---第一处可疑泄露128字节 comm "insmod", pid 765, jiffies 4294941257 (age 104.920s)---相关进程信息 hex dump (first 32 bytes):---二进制打印 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk 6b 6b 6b 6b 6b 6b 6b 6b...