On Mon, Jun 25, 2018 at 12:10:08PM +0530, Naresh Kamboju wrote: > On 24 June 2018 at 20:51, Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> wrote: > > This is the start of the stable review cycle for the 4.17.3 release. > > There are 70 patches in this series, all will be posted as a response > > to this one. If anyone has any issues with these being applied, please > > let me know. > > > > Responses should be made by Tue Jun 26 14:27:20 UTC 2018. > > Anything received after that time might be too late. > > > > The whole patch series can be found in one patch at: > > https://www.kernel.org/pub/linux/kernel/v4.x/stable-review/patch-4.17.3-rc1.gz > > or in the git tree and branch at: > > git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-4.17.y > > and the diffstat can be found below. > > > > thanks, > > > > greg k-h > > Results from Linaro’s test farm. > No regressions on arm64 and arm. > > Kselftest test case mov_ss_trap_64 is causing kernel panic on > qemu-system-x86_64 and PASS on real x86_64 hardware. > > [RUN] MOV SS; CSx14 INT3 > [ 762.263790] PANIC: double fault, error_code: 0x0 > [ 762.265169] CPU: 2 PID: 3380 Comm: mov_ss_trap_64 Not tainted 4.17.3-rc1 #1 > [ 762.267588] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), > BIOS 1.10.2-1 04/01/2014 > [ 762.273190] RIP: 0010:error_entry+0x12/0x100 > > Test code snippet, > main() { > <> > printf("[RUN]\tMOV SS; CS CS INT3\n"); > asm volatile ("mov %[ss], %%ss; .byte 0x2e, 0x2e; int3" :: [ss] "m" (ss)); > <> > } > > Reported upstream, > https://lkml.org/lkml/2018/6/25/19 Nit, there is a better way to refer to lkml emails, see the bottom of this page as lots of time lkml.org does not work for people: https://www.kernel.org/lore.html This looks like a quemu bug, not a kernel issue, so did you tell the qemu developers about this? In looking at the full headers: https://lore.kernel.org/lkml/CA+G9fYu0E0fM+WaFim1WKup5BZvjtGZ_4ii5FhTUjNZEqaAuwA@xxxxxxxxxxxxxx/ it doesn't look like you did :( thanks, greg k-h