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Fri, 25 Sep 2026 05:33:38 -0700 (PDT) Date: Fri, 25 Sep 2026 05:33:38 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6ab66a22.80e1c6cc.1e8e5f.0031.GAE@google.com> Subject: [syzbot] Monthly mm report (Sep 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-Rspam-User: X-Stat-Signature: bajychpperfe575f4khspad86zs93b1i X-Rspamd-Server: rspam11 X-Rspamd-Queue-Id: 15E821C0008 X-HE-Tag: 1790339618-730845 X-HE-Meta: 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 j1RMQJMw 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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, 2 new issues were detected and 1 were fixed. In total, 76 issues are still open and 382 have already been fixed. There are also 39 low-priority issues. Some of the still happening issues: Ref Crashes Repro Title <1> 3955 Yes WARNING in trace_suspend_resume https://syzkaller.appspot.com/bug?extid=99d4fec338b62b703891 <2> 3805 Yes possible deadlock in attr_data_get_block (2) https://syzkaller.appspot.com/bug?extid=262a71e9d2faf8747085 <3> 3136 Yes possible deadlock in filemap_fault https://syzkaller.appspot.com/bug?extid=7736960b837908f3a81d <4> 638 Yes INFO: rcu detected stall in sys_newfstatat (4) https://syzkaller.appspot.com/bug?extid=1c02a56102605204445c <5> 528 Yes kernel BUG in filemap_unaccount_folio https://syzkaller.appspot.com/bug?extid=17a207d226b8a5fb0fd9 <6> 329 No kernel BUG in __page_table_check_zero (3) https://syzkaller.appspot.com/bug?extid=2b5fe617654be3d8848b <7> 308 No INFO: task hung in migrate_pages_batch (4) https://syzkaller.appspot.com/bug?extid=f523acb98cd782b4872e <8> 185 Yes INFO: rcu detected stall in sys_unshare (9) https://syzkaller.appspot.com/bug?extid=872bccd9a68c6ba47718 <9> 166 Yes WARNING in ext4_mb_load_buddy_gfp https://syzkaller.appspot.com/bug?extid=fd3f70a4509fca8c265d <10> 115 Yes INFO: rcu detected stall in sys_setsockopt (4) https://syzkaller.appspot.com/bug?extid=6e61d59e9d2150c8492b --- 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.