Re: [PATCH -tip tracing/kprobes 3/6] kprobes/x86: Fix to add __kprobes to in-kernel fault handing functions

Frederic Weisbecker
2009-08-30T00:53:58Z

On Thu, Aug 27, 2009 at 01:23:11PM -0400, Masami Hiramatsu wrote:
> Add __kprobes to the functions which handles in-kernel fixable page faults.
> Since kprobes can cause those in-kernel page faults by accessing kprobe data
> structures, probing those fault functions will cause fault-int3-loop
> (do_page_fault has already been marked as __kprobes).

BTW, is it possible to assert a struct kprobe (and its pointer members)
haven't been allocated through vmalloc() ?