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[99.254.121.117]) by smtp.gmail.com with ESMTPSA id d75a77b69052e-44064755da4sm34321341cf.14.2024.06.12.12.47.20 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 12 Jun 2024 12:47:20 -0700 (PDT) Date: Wed, 12 Jun 2024 15:47:19 -0400 From: Peter Xu To: Andrew Morton Cc: syzbot , linux-kernel@vger.kernel.org, linux-mm@kvack.org, pasha.tatashin@soleen.com, syzkaller-bugs@googlegroups.com Subject: Re: [syzbot] [mm?] WARNING in __page_table_check_ptes_set (2) Message-ID: References: <000000000000b7b11a061ab49122@google.com> <20240612104735.ee6405d2096236bf18c51a41@linux-foundation.org> <20240612123005.d5872e92a8f60e8dd459cdee@linux-foundation.org> MIME-Version: 1.0 In-Reply-To: <20240612123005.d5872e92a8f60e8dd459cdee@linux-foundation.org> X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=utf-8 Content-Disposition: inline X-Stat-Signature: j6yuf71b7ebzexae4ptaygbs9padfmnf X-Rspam-User: X-Rspamd-Queue-Id: E4AA1C000D X-Rspamd-Server: rspam01 X-HE-Tag: 1718221644-726587 X-HE-Meta: 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 vNC5EUXB 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 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: List-Subscribe: List-Unsubscribe: On Wed, Jun 12, 2024 at 12:30:05PM -0700, Andrew Morton wrote: > > Looks like this is the same issue that the other patch wanted to fix: > > > > [PATCH] mm/debug_vm_pgtable: Drop RANDOM_ORVALUE trick > > https://lore.kernel.org/r/20240523132139.289719-1-peterx@redhat.com > > > > I had a look, and indeed that patch hasn't reached arm64/for-kernelci > > branch. > > Thanks. > > I currently have that patch queued for 6.11-rc1. I'm thinking it > should have Fixes: 8430557fc5846 ("mm/page_table_check: support > userfault wr-protect entries") and that it should be moved to hotfixes > for 6.10-rcX, yes? It looks like I kept forgetting the tags in a few patches.. And yes, that looks all sane to me, thanks. -- Peter Xu