Re: [x86/uaccess] 9c5743dff4: WARNING:at_arch/x86/mm/extable.c:#ex_handler_fprestore

[Borislav Petkov]

On Fri, May 13, 2022 at 09:52:08AM -0700, Linus Torvalds wrote:
> On Fri, May 13, 2022 at 1:55 AM kernel test robot <oliver.sang@xxxxxxxxx> wrote:
> >
> > FYI, we noticed the following commit (built with gcc-11): commit
> > 9c5743dff415 ("x86/uaccess: fix code generation in put_user()")
> > https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master

Err, is this seriously a report for a 5.9-something kernel?

[  266.828722][    T1] CPU: 0 PID: 1 Comm: init Not tainted 5.9.0-13419-g9c5743dff415 #1

> >
> > in testcase: boot
> >
> > on test machine: qemu-system-x86_64 -enable-kvm -cpu SandyBridge -smp 2 -m 16G
> >
> > caused below changes (please refer to attached dmesg/kmsg for entire log/backtrace):

Can you reproduce the same with the latest Linus master or tip/master or
something current...?

Thx.

-- 
Regards/Gruss,
    Boris.

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