On Fri, Jul 6, 2018 at 9:11 AM, Linus Torvalds <[email protected]> wrote: > On Fri, Jul 6, 2018 at 3:07 AM Tetsuo Handa > <[email protected]> wrote: >> >> I noticed that makedumpfile utility is failing to check kernel version, for >> it depends on offset of "struct uts_namespace"->name being sizeof(int). > > For something like this, we fix makedumpfile instead. This is not a > "user program" using system calls etc, this is something that delves > into the kernel dump and tries to make sense of it. > > Where is the makedumpfile source code? What is it trying to do, and why? > > One option is to just say "hey, you can't make much sense of a > randomized kernel dump anyway, so don't even try".
I would second this -- trying to deal with a randomized layout kernel dump is going to be much worse than just looking at uts_namespace. :) -Kees -- Kees Cook Pixel Security
