Messages in this thread | | | Date | Wed, 24 Mar 2021 19:02:27 +0200 | From | Andy Shevchenko <> | Subject | Re: [PATCH v2 2/2] intel/pinctrl: check capability offset is between MMIO region |
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On Wed, Mar 24, 2021 at 04:43:12PM +0100, Roger Pau Monne wrote: > When parsing the capability list make sure the offset is between the > MMIO region mapped in 'regs', or else the kernel hits a page fault. > > Adding the check is harmless, and prevents buggy or broken systems > from crashing the kernel if the capability linked list is somehow > broken.
I don't think we need a dead code in the kernel. If you have a hardware to show this issue, I eagerly want to know this!
-- With Best Regards, Andy Shevchenko
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