On Fri, Apr 22, 2022 at 12:45 PM Matthew Wilcox <willy@xxxxxxxxxxxxx> wrote: > > Syzbot found a nasty race between large page splitting and page lookup. > Details in the commit log, but fortunately it has a reliable reproducer. The commit message does mention it ("I have not added a new test for this bug."), but I'll echo it anyway, since you say it can be reliably reproduced - getting that repro into the testsuite would be lovely. Linus