On 20/12/2019 20:57, Jan Kara wrote:
> On Fri 20-12-19 16:06:05, Alexey Kardashevskiy wrote:
>>
>>
>> On 11/12/2019 21:42, Jan Kara wrote:
>>> The last jump to free_exit in mm_iommu_do_alloc() happens after page
>>> pointers in struct mm_iommu_table_group_mem_t were already converted to
>>> phys
On Fri 20-12-19 16:06:05, Alexey Kardashevskiy wrote:
>
>
> On 11/12/2019 21:42, Jan Kara wrote:
> > The last jump to free_exit in mm_iommu_do_alloc() happens after page
> > pointers in struct mm_iommu_table_group_mem_t were already converted to
> > physical addresses. Thus calling put_page() on
On 11/12/2019 21:42, Jan Kara wrote:
> The last jump to free_exit in mm_iommu_do_alloc() happens after page
> pointers in struct mm_iommu_table_group_mem_t were already converted to
> physical addresses. Thus calling put_page() on these physical addresses
> will likely crash. Convert physical ad
The last jump to free_exit in mm_iommu_do_alloc() happens after page
pointers in struct mm_iommu_table_group_mem_t were already converted to
physical addresses. Thus calling put_page() on these physical addresses
will likely crash. Convert physical addresses back to page pointers
during the error c
