On Wed, 27 Mar 2024 13:37:19 -0700, Dixit, Ashutosh wrote:
>
> On Wed, 27 Mar 2024 02:15:27 -0700, Krzysztofik, Janusz wrote:
> >
>
> Hi Janusz,
>
> > For me, that still doesn't explain why you think that i915->hwmon reset to
> > NULL on i915 driver unregister can be the root cause of the reported
Hi Ashutosh,
On Wednesday, 27 March 2024 21:37:19 CET Dixit, Ashutosh wrote:
> On Wed, 27 Mar 2024 02:15:27 -0700, Krzysztofik, Janusz wrote:
> >
>
> Hi Janusz,
>
> > For me, that still doesn't explain why you think that i915->hwmon reset to
> > NULL on i915 driver unregister can be the root
On Wed, 27 Mar 2024 02:15:27 -0700, Krzysztofik, Janusz wrote:
>
Hi Janusz,
> For me, that still doesn't explain why you think that i915->hwmon reset to
> NULL on i915 driver unregister can be the root cause of the reported UAF in
> hwmon sysfs and this patch is going to fix that UAF issue. I
On Tue, 26 Mar 2024 05:48:38 -0700, Badal Nilawar wrote:
>
Hi Badal,
> i915_hwmon and its resources are managed resources of i915 dev.
> During i915 driver unregister flow the function i915_hwmon_unregister()
> explicitly makes i915_hwmon resource NULL. This happen before
> hwmon is actually
Hi Badal,
On Wednesday, 27 March 2024 05:30:17 CET Nilawar, Badal wrote:
>
> On 27-03-2024 02:58, Krzysztofik, Janusz wrote:
> > On Tuesday, 26 March 2024 13:48:38 CET Badal Nilawar wrote:
> >> i915_hwmon and its resources are managed resources of i915 dev.
> >> During i915 driver unregister
On 27-03-2024 02:58, Krzysztofik, Janusz wrote:
On Tuesday, 26 March 2024 13:48:38 CET Badal Nilawar wrote:
i915_hwmon and its resources are managed resources of i915 dev.
During i915 driver unregister flow the function i915_hwmon_unregister()
explicitly makes i915_hwmon resource NULL. This
On Tuesday, 26 March 2024 13:48:38 CET Badal Nilawar wrote:
> i915_hwmon and its resources are managed resources of i915 dev.
> During i915 driver unregister flow the function i915_hwmon_unregister()
> explicitly makes i915_hwmon resource NULL. This happen before
> hwmon is actually unregistered.
i915_hwmon and its resources are managed resources of i915 dev.
During i915 driver unregister flow the function i915_hwmon_unregister()
explicitly makes i915_hwmon resource NULL. This happen before
hwmon is actually unregistered. Doing so may cause UAF if hwmon
sysfs is being accessed:
<7>
