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, 5 new issues were detected and 0 were fixed. In total, 64 issues are still open and 243 have been fixed so far. Some of the still happening issues: Ref Crashes Repro Title <1> 10260 Yes KASAN: slab-out-of-bounds Read in generic_perform_write https://syzkaller.appspot.com/bug?extid=4a2376bc62e59406c414 <2> 7378 Yes WARNING in ext4_dirty_folio https://syzkaller.appspot.com/bug?extid=ecab51a4a5b9f26eeaa1 <3> 1194 Yes possible deadlock in filemap_fault https://syzkaller.appspot.com/bug?extid=7736960b837908f3a81d <4> 1163 Yes WARNING in kunmap_local_indexed https://syzkaller.appspot.com/bug?extid=691cb37358791bebebe6 <5> 1020 Yes INFO: rcu detected stall in worker_thread (9) https://syzkaller.appspot.com/bug?extid=225bfad78b079744fd5e <6> 783 Yes BUG: Bad rss-counter state (5) https://syzkaller.appspot.com/bug?extid=f2bbbb592debc978d46d <7> 722 Yes KCSAN: data-race in generic_fillattr / shmem_mknod (2) https://syzkaller.appspot.com/bug?extid=702361cf7e3d95758761 <8> 477 Yes inconsistent lock state in __mmap_lock_do_trace_acquire_returned https://syzkaller.appspot.com/bug?extid=76f802bc1dee8ba28a6e <9> 229 Yes possible deadlock in __mmap_lock_do_trace_acquire_returned (2) https://syzkaller.appspot.com/bug?extid=24af80aeb2ae9e47a412 <10> 163 No INFO: task hung in __lru_add_drain_all (2) https://syzkaller.appspot.com/bug?extid=5294aa7d73bb0fa85bd0 --- 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@xxxxxxxxxxxxxxxx. To disable reminders for individual bugs, reply with the following command: #syz set <Ref> no-reminders To change bug's subsystems, reply with: #syz set <Ref> subsystems: new-subsystem You may send multiple commands in a single email message.