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Thu, 18 Dec 2025 02:06:26 -0800 (PST) Date: Thu, 18 Dec 2025 02:06:26 -0800 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6943d222.a70a0220.207337.00db.GAE@google.com> Subject: [syzbot] Monthly mm report (Dec 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-Queue-Id: 259AA20011 X-Rspamd-Server: rspam04 X-Stat-Signature: 1hqkzc7bd3w9ng1qzpjui3z7ydycro8m X-HE-Tag: 1766052386-850958 X-HE-Meta: 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 r5BNEozm 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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: 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 0 were fixed. In total, 118 issues are still open and 354 have already been fixed. Some of the still happening issues: Ref Crashes Repro Title <1> 10935 Yes WARNING in path_noexec (2) https://syzkaller.appspot.com/bug?extid=a9391462075ffb9f77c6 <2> 7436 Yes WARNING in ext4_dirty_folio https://syzkaller.appspot.com/bug?extid=ecab51a4a5b9f26eeaa1 <3> 4691 Yes INFO: rcu detected stall in worker_thread (9) https://syzkaller.appspot.com/bug?extid=225bfad78b079744fd5e <4> 3650 Yes INFO: task hung in page_cache_ra_unbounded (2) https://syzkaller.appspot.com/bug?extid=265e1cae90f8fa08f14d <5> 2970 Yes possible deadlock in filemap_fault https://syzkaller.appspot.com/bug?extid=7736960b837908f3a81d <6> 828 No KCSAN: data-race in __filemap_remove_folio / folio_mapping (2) https://syzkaller.appspot.com/bug?extid=606f94dfeaaa45124c90 <7> 656 Yes INFO: task hung in _vm_unmap_aliases (3) https://syzkaller.appspot.com/bug?extid=fe8f8efd070d727de971 <8> 622 Yes INFO: rcu detected stall in addrconf_rs_timer (6) https://syzkaller.appspot.com/bug?extid=fecf8bd19c1f78edb255 <9> 498 Yes INFO: rcu detected stall in sys_newfstatat (4) https://syzkaller.appspot.com/bug?extid=1c02a56102605204445c <10> 495 Yes INFO: rcu detected stall in sys_openat (3) https://syzkaller.appspot.com/bug?extid=23d96fb466ad56cbb5e5 --- 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.