[syzbot] Monthly mm report (Jan 2025)

[syzbot] Monthly mm report (Jan 2025)

[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, 16 new issues were detected and 3 were fixed.
In total, 131 issues are still open and 275 have already been fixed.

Some of the still happening issues:

Ref  Crashes Repro Title
<1>  10397   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>  3619    Yes   INFO: task hung in page_cache_ra_unbounded (2)
                   https://syzkaller.appspot.com/bug?extid=265e1cae90f8fa08f14d
<4>  3063    Yes   INFO: rcu detected stall in worker_thread (9)
                   https://syzkaller.appspot.com/bug?extid=225bfad78b079744fd5e
<5>  2338    Yes   possible deadlock in filemap_fault
                   https://syzkaller.appspot.com/bug?extid=7736960b837908f3a81d
<6>  1320    No    WARNING: locking bug in __schedule
                   https://syzkaller.appspot.com/bug?extid=46b40e354b532433eeef
<7>  1241    Yes   possible deadlock in gup_fast_fallback
                   https://syzkaller.appspot.com/bug?extid=63ba90b81c16b86379bd
<8>  1018    Yes   BUG: Bad rss-counter state (5)
                   https://syzkaller.appspot.com/bug?extid=f2bbbb592debc978d46d
<9>  724     Yes   WARNING in vms_complete_munmap_vmas
                   https://syzkaller.appspot.com/bug?extid=38c3a8b50658644abaca
<10> 628     Yes   INFO: rcu detected stall in corrupted (4)
                   https://syzkaller.appspot.com/bug?extid=aa7d098bd6fa788fae8e

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