On Mon, May 25, 2026 at 12:11:11PM +0000, [email protected] wrote: > Thank you for your contribution! Sashiko AI review found 1 potential issue(s) > to consider: > > Pre-existing issues: > - [High] Page tables are accessed and modified under mmap_write_lock > without first draining per-VMA lock holders via vma_start_write(), > risking races with concurrent per-VMA readers.
Confirmed and pre-existing -- the pre-patch path called uffd_wp_range() which has the same gap (no vma_start_write() before change_protection() either). Will address in a follow-up that audits the userfaultfd register/unregister paths together. > -- > Sashiko AI review ยท > https://sashiko.dev/#/patchset/[email protected]?part=8 -- Kiryl Shutsemau / Kirill A. Shutemov
