From what I understand, a typical buffer overflow attack occurs when an attack overflows a buffer of memory on the stack, thus allowing the attacker to inject m
Below is excerpted from linux kernel: /* * "id" is the POSIX thread ID. We use the * files pointer for this.. */ int filp_close(struct file *filp, fl_owner_
I am writing a kernel module and in it I have the following piece of code: dma_dev->coherent_dma_mask = DMA_BIT_MASK(64); I do not always want 64 in there
I recently wrote a module implementing these functions. What is the difference between the two? From my understanding, the copy_..._user functions are more sec
I've got a problem about creating a directory within a linux kernel module. What I want: Creating a directory within a kernel module. Here is my actual code:
I am writing a custom block driver in the Linux kernel and in my make_request routine, on writes I need to read the data of the bio's specified sector (from the
It's strange that struct cdev has struct kobject member, do any body knows the reason?