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Sun, 14 Sep 2025 23:54:26 -0700 (PDT) Date: Sun, 14 Sep 2025 23:54:26 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <68c7b822.050a0220.2ff435.038d.GAE@google.com> Subject: [syzbot] Monthly mm report (Sep 2025) 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-Rspamd-Server: rspam06 X-Rspamd-Queue-Id: 8975F100004 X-Stat-Signature: gzgjxok1y1yjc6rebg9cq6j7fkaaz5ig X-HE-Tag: 1757919267-61776 X-HE-Meta: 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 qOBN/n/a 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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000001, version=1.2.4 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, 7 new issues were detected and 2 were fixed. In total, 117 issues are still open and 340 have already been fixed. Some of the still happening issues: Ref Crashes Repro Title <1> 7424 Yes WARNING in ext4_dirty_folio https://syzkaller.appspot.com/bug?extid=ecab51a4a5b9f26eeaa1 <2> 5478 Yes WARNING in v9fs_fid_get_acl https://syzkaller.appspot.com/bug?extid=a83dc51a78f0f4cf20da <3> 3643 Yes INFO: task hung in page_cache_ra_unbounded (2) https://syzkaller.appspot.com/bug?extid=265e1cae90f8fa08f14d <4> 2919 Yes possible deadlock in filemap_fault https://syzkaller.appspot.com/bug?extid=7736960b837908f3a81d <5> 822 Yes WARNING in trace_suspend_resume https://syzkaller.appspot.com/bug?extid=99d4fec338b62b703891 <6> 708 No KCSAN: data-race in __filemap_remove_folio / folio_mapping (2) https://syzkaller.appspot.com/bug?extid=606f94dfeaaa45124c90 <7> 580 Yes INFO: task hung in _vm_unmap_aliases (3) https://syzkaller.appspot.com/bug?extid=fe8f8efd070d727de971 <8> 556 Yes INFO: rcu detected stall in addrconf_rs_timer (6) https://syzkaller.appspot.com/bug?extid=fecf8bd19c1f78edb255 <9> 464 Yes kernel BUG in filemap_unaccount_folio https://syzkaller.appspot.com/bug?extid=17a207d226b8a5fb0fd9 <10> 457 Yes INFO: rcu detected stall in sys_newfstatat (4) https://syzkaller.appspot.com/bug?extid=1c02a56102605204445c --- 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.