Hi Jay,
On Tue, Oct 13, 2015 at 04:52:43AM -0500, Jay Cornwall wrote:
> handle_mm_fault indirectly triggers a BUG in do_numa_page when given
> a VMA without read/write/execute access. Check this condition in do_fault.
>
> do_fault -> handle_mm_fault -> handle_pte_fault -> do_numa_page
>
> mm/memory.c
> 3147 static int do_numa_page(struct mm_struct *mm, struct vm_area_st...
> ....
> 3159 /* A PROT_NONE fault should not end up here */
> 3160 BUG_ON(!(vma->vm_flags & (VM_READ | VM_EXEC | VM_WRITE)));
Thanks for the fix! Next time please Cc me directly on patches for AMD
IOMMU code, so I see your patches earlier.
Also this looks relevant for stable, can you find out which stable
kernels need this fix too?
Thanks,
Joerg
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