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Mon, 19 Jan 2026 00:18:25 -0800 (PST) Date: Mon, 19 Jan 2026 00:18:25 -0800 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <696de8d1.050a0220.3390f1.003e.GAE@google.com> Subject: [syzbot] Monthly mm report (Jan 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-Rspamd-Queue-Id: 0D0F5140006 X-Rspamd-Server: rspam06 X-Stat-Signature: yhsy5hjkd9jrrh4d9w1abesmu7onudi3 X-Rspam-User: X-HE-Tag: 1768810705-81936 X-HE-Meta: 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 6tbSjG/T 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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, 4 new issues were detected and 0 were fixed. In total, 117 issues are still open and 355 have already been fixed. Some of the still happening issues: Ref Crashes Repro Title <1> 13965 Yes WARNING in path_noexec (2) https://syzkaller.appspot.com/bug?extid=a9391462075ffb9f77c6 <2> 7446 Yes WARNING in ext4_dirty_folio https://syzkaller.appspot.com/bug?extid=ecab51a4a5b9f26eeaa1 <3> 3650 Yes INFO: task hung in page_cache_ra_unbounded (2) https://syzkaller.appspot.com/bug?extid=265e1cae90f8fa08f14d <4> 3012 Yes possible deadlock in filemap_fault https://syzkaller.appspot.com/bug?extid=7736960b837908f3a81d <5> 2188 Yes WARNING in trace_suspend_resume https://syzkaller.appspot.com/bug?extid=99d4fec338b62b703891 <6> 1539 Yes kernel BUG in __filemap_add_folio https://syzkaller.appspot.com/bug?extid=4d3cc33ef7a77041efa6 <7> 864 No KCSAN: data-race in __filemap_remove_folio / folio_mapping (2) https://syzkaller.appspot.com/bug?extid=606f94dfeaaa45124c90 <8> 673 Yes INFO: task hung in _vm_unmap_aliases (3) https://syzkaller.appspot.com/bug?extid=fe8f8efd070d727de971 <9> 646 Yes INFO: rcu detected stall in addrconf_rs_timer (6) https://syzkaller.appspot.com/bug?extid=fecf8bd19c1f78edb255 <10> 526 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.