Messages in this thread | | | From | Kees Cook <> | Date | Mon, 15 May 2017 15:57:00 -0700 | Subject | Re: next-20170515: WARNING: CPU: 0 PID: 1 at arch/x86/mm/dump_pagetables.c:236 note_page+0x630/0x7e0 |
| |
On Mon, May 15, 2017 at 3:15 PM, Luis R. Rodriguez <mcgrof@kernel.org> wrote: > On Tue, May 16, 2017 at 12:06:50AM +0200, Luis R. Rodriguez wrote: >> Using QEMU emulator version 2.7.94 (v2.8.0-rc4-dirty) >> >> I will try updating my distro package for qemu and see if perhaps its this >> and for the other odd fork issue I reported [0]. >> >> [0] https://lkml.kernel.org/r/CAB=NE6VZXq3y-3pfouYTBUco2Cq2xqoLZrgDFdVx+_=_=SwG_Q@mail.gmail.com > > Yeah nope, using my distribution latest: > > QEMU emulator version 2.8.0(openSUSE Tumbleweed) > > And still both issues are present. > > Luis
Can you enable CONFIG_X86_PTDUMP=y and then find out what is located at ffffffffc0288000 via /sys/kernel/debug/kernel_page_tables ?
-Kees
-- Kees Cook Pixel Security
| |