On Sat, Jan 9, 2021 at 6:08 PM Rafael J. Wysocki wrote:
>
> On Saturday, January 9, 2021 10:37:41 AM CET Dexuan Cui wrote:
> > > From: Andy Shevchenko
> > > Sent: Saturday, January 9, 2021 12:52 AM
> > >>
> > >> Hi Rafael, Len, and all,
> > >> Can you please take a look at the v2 patch?
> > >>
>
On Sat, Jan 9, 2021 at 7:08 PM Rafael J. Wysocki wrote:
> On Saturday, January 9, 2021 10:37:41 AM CET Dexuan Cui wrote:
...
> > Do you want a simple strlen() check like the below, or a full
> > check of the AAA or format?
>
> It would be good to check the format too while at it.
On Saturday, January 9, 2021 10:37:41 AM CET Dexuan Cui wrote:
> > From: Andy Shevchenko
> > Sent: Saturday, January 9, 2021 12:52 AM
> >>
> >> Hi Rafael, Len, and all,
> >> Can you please take a look at the v2 patch?
> >>
> >> The Linux mainline has been broken for several weeks when it
> >>
> From: Andy Shevchenko
> Sent: Saturday, January 9, 2021 12:52 AM
>>
>> Hi Rafael, Len, and all,
>> Can you please take a look at the v2 patch?
>>
>> The Linux mainline has been broken for several weeks when it
>> runs as a guest on Hyper-V, so we'd like this to be fixed ASAP,
>> as more
> From: Rafael J. Wysocki
> Sent: Thursday, January 7, 2021 5:48 AM
> > > > Linux VM on Hyper-V crashes with the latest mainline:
> > > > ...
> The root cause is a VM issue AFAICS, though.
Yes.
> It doesn't look like the right fix to me, though.
>
> The problem appears to be that the string
On Tue, Jan 5, 2021 at 11:02 PM Dexuan Cui wrote:
>
> > From: Michael Kelley
> > Sent: Tuesday, December 22, 2020 5:56 AM
> > From: Dexuan Cui
> > Sent: Thursday, December 17, 2020
> > 8:08 PM
> > >
> > > Linux VM on Hyper-V crashes with the latest mainline:
> > > ...
> > > ---
On 18/12/20 9:38 am, Dexuan Cui wrote:
Linux VM on Hyper-V crashes with the latest mainline:
[4.069624] detected buffer overflow in strcpy
[4.077733] kernel BUG at lib/string.c:1149!
..
[4.085819] RIP: 0010:fortify_panic+0xf/0x11
...
[4.085819] Call Trace:
[4.085819]
> From: Michael Kelley
> Sent: Tuesday, December 22, 2020 5:56 AM
> From: Dexuan Cui
> Sent: Thursday, December 17, 2020
> 8:08 PM
> >
> > Linux VM on Hyper-V crashes with the latest mainline:
> > ...
> > --- a/drivers/acpi/scan.c
> > +++ b/drivers/acpi/scan.c
> > @@ -674,7 +674,8 @@ int
From: Dexuan Cui Sent: Thursday, December 17, 2020 8:08 PM
>
> Linux VM on Hyper-V crashes with the latest mainline:
>
> [4.069624] detected buffer overflow in strcpy
> [4.077733] kernel BUG at lib/string.c:1149!
> ..
> [4.085819] RIP: 0010:fortify_panic+0xf/0x11
> ...
> [
> From: Dexuan Cui
> Sent: Thursday, December 17, 2020 8:08 PM
>
> Linux VM on Hyper-V crashes with the latest mainline:
> ...
> This is because of the recent buffer overflow detection in the
> commit 6a39e62abbaf ("lib: string.h: detect intra-object overflow in fortified
> string functions")
>
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