[syzbot] Monthly mm report (Dec 2024)

[syzbot]

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, 14 new issues were detected and 2 were fixed.
In total, 112 issues are still open and 270 have already been fixed.

Some of the still happening issues:

Ref  Crashes Repro Title
<1>  10378   Yes   KASAN: slab-out-of-bounds Read in generic_perform_write
                   https://syzkaller.appspot.com/bug?extid=4a2376bc62e59406c414
<2>  7385    Yes   WARNING in ext4_dirty_folio
                   https://syzkaller.appspot.com/bug?extid=ecab51a4a5b9f26eeaa1
<3>  3609    Yes   INFO: task hung in page_cache_ra_unbounded (2)
                   https://syzkaller.appspot.com/bug?extid=265e1cae90f8fa08f14d
<4>  2019    Yes   possible deadlock in filemap_fault
                   https://syzkaller.appspot.com/bug?extid=7736960b837908f3a81d
<5>  1313    Yes   WARNING: locking bug in __set_page_owner
                   https://syzkaller.appspot.com/bug?extid=56dc65adbd1d2ae1f844
<6>  1069    No    WARNING: locking bug in __schedule
                   https://syzkaller.appspot.com/bug?extid=46b40e354b532433eeef
<7>  1062    Yes   possible deadlock in gup_fast_fallback
                   https://syzkaller.appspot.com/bug?extid=63ba90b81c16b86379bd
<8>  620     Yes   INFO: rcu detected stall in corrupted (4)
                   https://syzkaller.appspot.com/bug?extid=aa7d098bd6fa788fae8e
<9>  509     Yes   INFO: task hung in _vm_unmap_aliases (3)
                   https://syzkaller.appspot.com/bug?extid=fe8f8efd070d727de971
<10> 363     Yes   WARNING in get_taint (2)
                   https://syzkaller.appspot.com/bug?extid=aa5a1e52e2ac09339fca

---
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.