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Groups > linux.kernel > #1739106 > unrolled thread
| Started by | Ingo Molnar <mingo@kernel.org> |
|---|---|
| First post | 2017-09-25 17:00 +0200 |
| Last post | 2017-09-26 08:30 +0200 |
| Articles | 3 — 2 participants |
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Re: 9f4835fb96 ("x86/fpu: Tighten validation of user-supplied .."): Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b Ingo Molnar <mingo@kernel.org> - 2017-09-25 17:00 +0200
Re: 9f4835fb96 ("x86/fpu: Tighten validation of user-supplied .."): Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b Fengguang Wu <wfg@linux.intel.com> - 2017-09-26 02:30 +0200
Re: 9f4835fb96 ("x86/fpu: Tighten validation of user-supplied .."): Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b Ingo Molnar <mingo@kernel.org> - 2017-09-26 08:30 +0200
| From | Ingo Molnar <mingo@kernel.org> |
|---|---|
| Date | 2017-09-25 17:00 +0200 |
| Subject | Re: 9f4835fb96 ("x86/fpu: Tighten validation of user-supplied .."): Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b |
| Message-ID | <utD1v-7Jk-15@gated-at.bofh.it> |
* Fengguang Wu <wfg@linux.intel.com> wrote:
> On Mon, Sep 25, 2017 at 10:20:13AM +0800, kernel test robot wrote:
> > Hi Ingo,
> >
> > On your request I'm resending the report here, with attached dmesg,
> > kconfig and reproduce script.
> >
> > I'll go on to test your split up commits, too.
> >
> > https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git WIP.x86/fpu
>
> It looks 6fc19a42 ("x86/fpu: Use validate_xstate_header() to validate
> the xstate_header in sanitize_restored_xstate()") is the first bad commit.
Thank you! Could you check that the latest tip:master or tip:WIP.x86/fpu
(9cff7344187e) fixes this crash?
Thanks,
Ingo
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| From | Fengguang Wu <wfg@linux.intel.com> |
|---|---|
| Date | 2017-09-26 02:30 +0200 |
| Message-ID | <utLV8-5su-3@gated-at.bofh.it> |
| In reply to | #1739106 |
On Mon, Sep 25, 2017 at 04:55:09PM +0200, Ingo Molnar wrote:
>
>* Fengguang Wu <wfg@linux.intel.com> wrote:
>
>> On Mon, Sep 25, 2017 at 10:20:13AM +0800, kernel test robot wrote:
>> > Hi Ingo,
>> >
>> > On your request I'm resending the report here, with attached dmesg,
>> > kconfig and reproduce script.
>> >
>> > I'll go on to test your split up commits, too.
>> >
>> > https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git WIP.x86/fpu
>>
>> It looks 6fc19a42 ("x86/fpu: Use validate_xstate_header() to validate
>> the xstate_header in sanitize_restored_xstate()") is the first bad commit.
>
>Thank you! Could you check that the latest tip:master or tip:WIP.x86/fpu
>(9cff7344187e) fixes this crash?
Yes, both of them are free from that crash. :)
Regards,
Fengguang
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| From | Ingo Molnar <mingo@kernel.org> |
|---|---|
| Date | 2017-09-26 08:30 +0200 |
| Message-ID | <utRxw-X7-7@gated-at.bofh.it> |
| In reply to | #1739403 |
* Fengguang Wu <wfg@linux.intel.com> wrote:
> On Mon, Sep 25, 2017 at 04:55:09PM +0200, Ingo Molnar wrote:
> >
> > * Fengguang Wu <wfg@linux.intel.com> wrote:
> >
> > > On Mon, Sep 25, 2017 at 10:20:13AM +0800, kernel test robot wrote:
> > > > Hi Ingo,
> > > >
> > > > On your request I'm resending the report here, with attached dmesg,
> > > > kconfig and reproduce script.
> > > >
> > > > I'll go on to test your split up commits, too.
> > > >
> > > > https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git WIP.x86/fpu
> > >
> > > It looks 6fc19a42 ("x86/fpu: Use validate_xstate_header() to validate
> > > the xstate_header in sanitize_restored_xstate()") is the first bad commit.
> >
> > Thank you! Could you check that the latest tip:master or tip:WIP.x86/fpu
> > (9cff7344187e) fixes this crash?
>
> Yes, both of them are free from that crash. :)
Great, thanks!
Ingo
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