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Thu, 06 Nov 2025 03:06:03 -0800 (PST) Date: Thu, 06 Nov 2025 03:06:03 -0800 In-Reply-To: <6774bf44.050a0220.25abdd.098a.GAE@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <690c811b.050a0220.3d0d33.014d.GAE@google.com> Subject: Re: [syzbot] [mm?] KASAN: slab-use-after-free Read in filemap_map_pages From: syzbot To: akpm@linux-foundation.org, chandan.babu@oracle.com, david@redhat.com, hdanton@sina.com, jgg@ziepe.ca, jhubbard@nvidia.com, kas@kernel.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-xfs@vger.kernel.org, peterx@redhat.com, syzkaller-bugs@googlegroups.com, willy@infradead.org Content-Type: text/plain; charset="UTF-8" X-Rspamd-Server: rspam05 X-Rspamd-Queue-Id: 0F6C5100003 X-Stat-Signature: nzs5gkurb1t1pr4i7hty5g3y1nyudwyi X-Rspam-User: X-HE-Tag: 1762427163-1113 X-HE-Meta: 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 FMkW4KIw 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 eU+PcT6u vuWJ/cKR1GnXgK4vg88M5VBTuXb+ut/jU6Gnm6KstabL+OnzEWv3pH3eGj9vT3uGRVfasZ55XOclYqFYai5tFxUyWZvMbPApc7oqFKS4ZVurbuO++HusJp/Eg9ozNnY+gNASd1mXz8YN88AnEKhJT0Zrhp6rBAeJSPoD2dFgqXE= 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: syzbot suspects this issue was fixed by commit: commit 357b92761d942432c90aeeb965f9eb0c94466921 Author: Kiryl Shutsemau Date: Tue Sep 23 11:07:10 2025 +0000 mm/filemap: map entire large folio faultaround bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=12658532580000 start commit: b19a97d57c15 Merge tag 'pull-fixes' of git://git.kernel.or.. git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=292f3bc9f654adeb dashboard link: https://syzkaller.appspot.com/bug?extid=14d047423f40dc1dac89 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=12399442580000 If the result looks correct, please mark the issue as fixed by replying with: #syz fix: mm/filemap: map entire large folio faultaround For information about bisection process see: https://goo.gl/tpsmEJ#bisection