On Tue, Sep 13, 2016 at 02:29:29PM -0700, Andy Lutomirski wrote: > This will prevent a crash if get_wchan() runs after the task stack > is freed.
I think I found some more stuff. Have a look at KSTK_EIP() and KSTK_ESP(), I think they read from the saved userspace registers area at the top of the kernel stack? Used on remote processes in: vma_is_stack_for_task() (via /proc/$pid/maps) do_task_stat() (/proc/$pid/stat)
Description: Digital signature