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, 10 new issues were detected and 7 were fixed. In total, 47 issues are still open and 238 have been fixed so far. Some of the still happening issues: Ref Crashes Repro Title <1> 10216 Yes KASAN: slab-out-of-bounds Read in generic_perform_write https://syzkaller.appspot.com/bug?extid=4a2376bc62e59406c414 <2> 7374 Yes WARNING in ext4_dirty_folio https://syzkaller.appspot.com/bug?extid=ecab51a4a5b9f26eeaa1 <3> 840 Yes possible deadlock in filemap_fault https://syzkaller.appspot.com/bug?extid=7736960b837908f3a81d <4> 719 Yes KCSAN: data-race in generic_fillattr / shmem_mknod (2) https://syzkaller.appspot.com/bug?extid=702361cf7e3d95758761 <5> 653 No KCSAN: data-race in generic_fillattr / shmem_unlink (3) https://syzkaller.appspot.com/bug?extid=f682b67a78ce05867e78 <6> 372 Yes inconsistent lock state in __mmap_lock_do_trace_acquire_returned https://syzkaller.appspot.com/bug?extid=76f802bc1dee8ba28a6e <7> 114 Yes WARNING in kunmap_local_indexed https://syzkaller.appspot.com/bug?extid=691cb37358791bebebe6 <8> 62 Yes BUG: unable to handle kernel NULL pointer dereference in __kmap_local_page_prot https://syzkaller.appspot.com/bug?extid=b18872ea9631b5dcef3b <9> 38 Yes INFO: rcu detected stall in sys_openat (3) https://syzkaller.appspot.com/bug?extid=23d96fb466ad56cbb5e5 <10> 18 Yes kernel BUG in filemap_unaccount_folio https://syzkaller.appspot.com/bug?extid=17a207d226b8a5fb0fd9 --- 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.
