i am debugging a corrupt packet content inside Network driver. I want to dump a packet content inside network driver for debugging. Before that i want to check whether its address is accessible and valid inside kernel address space . Any API is available for the same other that NULL check??
How to check a memory address is valid inside Linux kernel?
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I guess, virt_addr_valid() might come in handy. As far as I understand, this is merely a validity check with respect to the kernel address space.