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, 3 new issues were detected and 1 were fixed. In total, 44 issues are still open and 217 have been fixed so far. Some of the still happening issues: Ref Crashes Repro Title <1> 7330 Yes WARNING in ext4_dirty_folio https://syzkaller.appspot.com/bug?extid=ecab51a4a5b9f26eeaa1 <2> 473 No KCSAN: data-race in generic_fillattr / shmem_mknod (2) https://syzkaller.appspot.com/bug?extid=702361cf7e3d95758761 <3> 425 No KCSAN: data-race in generic_fillattr / shmem_unlink (3) https://syzkaller.appspot.com/bug?extid=f682b67a78ce05867e78 <4> 96 Yes BUG: bad usercopy in fpa_set https://syzkaller.appspot.com/bug?extid=cb76c2983557a07cdb14 <5> 78 No linux-next boot error: WARNING: refcount bug in __reset_page_owner https://syzkaller.appspot.com/bug?extid=2a0e61ee9fcd4f7fd8ef <6> 77 No KCSAN: data-race in __filemap_remove_folio / shmem_get_folio_gfp https://syzkaller.appspot.com/bug?extid=ec4650f158c91a963120 <7> 4 Yes INFO: task hung in __unmap_and_move (4) https://syzkaller.appspot.com/bug?extid=b7ad168b779385f8cd58 <8> 1 Yes KASAN: slab-use-after-free Read in mas_prev_nentry https://syzkaller.appspot.com/bug?extid=f3728183b2f78d0d40f6 --- 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.
