On 01/07/2016 03:13 PM, Andrew Morton wrote: > On Thu, 7 Jan 2016 14:35:37 -0800 Mike Kravetz <mike.kravetz@xxxxxxxxxx> wrote: > >> Hillf Danton noticed bugs in the hugetlb_vmtruncate_list routine. >> The argument end is of type pgoff_t. It was being converted to a >> vaddr offset and passed to unmap_hugepage_range. However, end >> was also being used as an argument to the vma_interval_tree_foreach >> controlling loop. In addition, the conversion of end to vaddr offset >> was incorrect. > > Could we please have a description of the user-visible effects of the > bug? It's always needed for -stable things. And for all bugfixes, really. > > (stable@xxxxxxxxxxxxxxx[4.3] isn't an email address btw - my client barfed) Will do. As I stare at the code to come up with user visible effects, I am not convinced the fix is correct. An update will come after more study. -- Mike Kravetz -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>