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Mon, 23 Mar 2026 01:58:22 -0700 (PDT) Date: Mon, 23 Mar 2026 01:58:22 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <69c100ae.050a0220.3bf4de.0095.GAE@google.com> Subject: [syzbot] Monthly mm report (Mar 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-Stat-Signature: 8zq7comzywajg5ya6hr1iaeupfxhgzsh X-Rspamd-Server: rspam09 X-Rspam-User: X-Rspamd-Queue-Id: 1E6E9140003 X-HE-Tag: 1774256302-913490 X-HE-Meta: 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 813Zlf1U 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 TuEm4dQ2 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, 9 new issues were detected and 0 were fixed. In total, 129 issues are still open and 364 have already been fixed. Some of the still happening issues: Ref Crashes Repro Title <1> 20661 Yes WARNING in path_noexec (2) https://syzkaller.appspot.com/bug?extid=a9391462075ffb9f77c6 <2> 17139 Yes kernel BUG in hpage_collapse_scan_file (2) https://syzkaller.appspot.com/bug?extid=bf6e6a6ca143afea5ca2 <3> 7455 Yes WARNING in ext4_dirty_folio https://syzkaller.appspot.com/bug?extid=ecab51a4a5b9f26eeaa1 <4> 3032 Yes possible deadlock in filemap_fault https://syzkaller.appspot.com/bug?extid=7736960b837908f3a81d <5> 1717 Yes kernel BUG in __filemap_add_folio https://syzkaller.appspot.com/bug?extid=4d3cc33ef7a77041efa6 <6> 946 No KCSAN: data-race in __filemap_remove_folio / folio_mapping (2) https://syzkaller.appspot.com/bug?extid=606f94dfeaaa45124c90 <7> 687 Yes INFO: task hung in _vm_unmap_aliases (3) https://syzkaller.appspot.com/bug?extid=fe8f8efd070d727de971 <8> 686 Yes INFO: rcu detected stall in addrconf_rs_timer (6) https://syzkaller.appspot.com/bug?extid=fecf8bd19c1f78edb255 <9> 555 Yes INFO: rcu detected stall in sys_openat (3) https://syzkaller.appspot.com/bug?extid=23d96fb466ad56cbb5e5 <10> 512 Yes INFO: rcu detected stall in x64_sys_call https://syzkaller.appspot.com/bug?extid=65203730e781d98f23a0 --- 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.