On Wed, Oct 14, 2015 at 11:56:00AM -0500, Jay Cornwall wrote: > On 2015-10-14 04:10, Joerg Roedel wrote: > >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? > > Sure. > > Cc: <[email protected]> # v4.1+
Applied, thanks. _______________________________________________ iommu mailing list [email protected] https://lists.linuxfoundation.org/mailman/listinfo/iommu
