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Mon, 14 Jul 2025 00:23:34 -0700 (PDT) Date: Mon, 14 Jul 2025 00:23:34 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6874b076.a70a0220.3b380f.004f.GAE@google.com> Subject: [syzbot] Monthly mm report (Jul 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-Rspamd-Server: rspam12 X-Rspamd-Queue-Id: 4587618000A X-Stat-Signature: msxnhge7dg38i9xjzk3dtupz45uicfd8 X-Rspam-User: X-HE-Tag: 1752477815-332154 X-HE-Meta: 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 WUNXVQn+ 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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 2 were fixed. In total, 117 issues are still open and 299 have already been fixed. Some of the still happening issues: Ref Crashes Repro Title <1> 7412 Yes WARNING in ext4_dirty_folio https://syzkaller.appspot.com/bug?extid=ecab51a4a5b9f26eeaa1 <2> 3828 Yes INFO: rcu detected stall in worker_thread (9) https://syzkaller.appspot.com/bug?extid=225bfad78b079744fd5e <3> 3641 Yes INFO: task hung in page_cache_ra_unbounded (2) https://syzkaller.appspot.com/bug?extid=265e1cae90f8fa08f14d <4> 2879 Yes possible deadlock in filemap_fault https://syzkaller.appspot.com/bug?extid=7736960b837908f3a81d <5> 2554 Yes possible deadlock in gup_fast_fallback https://syzkaller.appspot.com/bug?extid=63ba90b81c16b86379bd <6> 2365 Yes BUG: Bad rss-counter state (5) https://syzkaller.appspot.com/bug?extid=f2bbbb592debc978d46d <7> 2135 Yes WARNING in kunmap_local_indexed https://syzkaller.appspot.com/bug?extid=691cb37358791bebebe6 <8> 607 No KCSAN: data-race in __filemap_remove_folio / folio_mapping (2) https://syzkaller.appspot.com/bug?extid=606f94dfeaaa45124c90 <9> 570 Yes INFO: task hung in _vm_unmap_aliases (3) https://syzkaller.appspot.com/bug?extid=fe8f8efd070d727de971 <10> 430 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.