Messages in this thread | | | From | Linus Torvalds <> | Date | Tue, 10 Jul 2018 13:15:02 -0700 | Subject | Re: general protection fault in in_aton |
| |
On Tue, Jul 10, 2018 at 12:57 PM Dmitry Vyukov <dvyukov@google.com> wrote: > > Is it really hard to get fault address? I know that userspace > generally receives fault address in siginfo.
For an actual page fault it's trivial.
However, for invalid addresses (aka "non-canonical"), you don't even get a page fault, you get a GP like in this case. And then the actual address is not available.
Linus
| |