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To: Matthew Wilcox Cc: Andrew Morton , syzbot , LKML , Linux-MM , syzkaller-bugs , Thomas Gleixner Content-Type: text/plain; charset="UTF-8" X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Tue, Nov 24, 2020 at 5:14 AM Matthew Wilcox wrote: > > On Mon, Nov 23, 2020 at 07:42:30PM -0800, Andrew Morton wrote: > > Matthew's series "Overhaul multi-page lookups for THP" chnages the > > shmem code quite a bit, and in the area of truncate. Matthew, could > > you please fire up that reproducer? > > Almost certainly my fault. I was trying to get the shmem truncate code > in better shape before posting my series of fixes. I'll send you a batch > of four which fix problems noticed by Hugh. There's at least one more > to come. #syz fix: mm: support THPs in zero_user_segments