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Tue, 25 Aug 2026 05:32:43 -0700 (PDT) Date: Tue, 25 Aug 2026 05:32:43 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6a8d8b6b.a5a502ce.31d34.0065.GAE@google.com> Subject: [syzbot] Monthly mm report (Aug 2026) From: syzbot To: linux-kernel@vger.kernel.org, linux-mm@kvack.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" X-Stat-Signature: u11sh4x46sgqmugfjufmge1hn91mrxst X-Rspamd-Queue-Id: 63B75C0010 X-Rspam-User: X-Rspamd-Server: rspam12 X-HE-Tag: 1787661164-38204 X-HE-Meta: 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 MtLW3JD3 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 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Hello mm maintainers/developers, This is a 31-day syzbot report for the mm subsystem. All related reports/information can be found at: https://syzkaller.appspot.com/upstream/s/mm During the period, 6 new issues were detected and 1 were fixed. In total, 79 issues are still open and 377 have already been fixed. There are also 46 low-priority issues. Some of the still happening issues: Ref Crashes Repro Title <1> 34965 Yes KASAN: use-after-free Read in copy_folio_from_iter_atomic (2) https://syzkaller.appspot.com/bug?extid=6cc93ec9a4035badb85f <2> 3901 Yes WARNING in trace_suspend_resume https://syzkaller.appspot.com/bug?extid=99d4fec338b62b703891 <3> 3119 Yes possible deadlock in filemap_fault https://syzkaller.appspot.com/bug?extid=7736960b837908f3a81d <4> 622 Yes INFO: rcu detected stall in sys_newfstatat (4) https://syzkaller.appspot.com/bug?extid=1c02a56102605204445c <5> 527 Yes kernel BUG in filemap_unaccount_folio https://syzkaller.appspot.com/bug?extid=17a207d226b8a5fb0fd9 <6> 302 No kernel BUG in __page_table_check_zero (3) https://syzkaller.appspot.com/bug?extid=2b5fe617654be3d8848b <7> 290 No INFO: task hung in migrate_pages_batch (4) https://syzkaller.appspot.com/bug?extid=f523acb98cd782b4872e <8> 234 Yes kernel panic: System is deadlocked on memory (2) https://syzkaller.appspot.com/bug?extid=c61d6962d0b7e698439e <9> 109 Yes INFO: rcu detected stall in sys_setsockopt (4) https://syzkaller.appspot.com/bug?extid=6e61d59e9d2150c8492b <10> 79 Yes KASAN: slab-use-after-free Read in folio_evictable (3) https://syzkaller.appspot.com/bug?extid=4c7590f1cee06597e43a --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@googlegroups.com. To disable reminders for individual bugs, reply with the following command: #syz set no-reminders To change bug's subsystems, reply with: #syz set subsystems: new-subsystem You may send multiple commands in a single email message.