[syzbot] Monthly mm report (Aug 2026)

[syzbot] Monthly mm report (Aug 2026)

[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, 6 new issues were detected and 1 were fixed.
In total, 79 issues are still open and 377 have already been fixed.
There are also 46 low-priority issues.

Some of the still happening issues:

Ref  Crashes Repro Title
<1>  34965   Yes   KASAN: use-after-free Read in copy_folio_from_iter_atomic (2)
                   https://syzkaller.appspot.com/bug?extid=6cc93ec9a4035badb85f
<2>  3901    Yes   WARNING in trace_suspend_resume
                   https://syzkaller.appspot.com/bug?extid=99d4fec338b62b703891
<3>  3119    Yes   possible deadlock in filemap_fault
                   https://syzkaller.appspot.com/bug?extid=7736960b837908f3a81d
<4>  622     Yes   INFO: rcu detected stall in sys_newfstatat (4)
                   https://syzkaller.appspot.com/bug?extid=1c02a56102605204445c
<5>  527     Yes   kernel BUG in filemap_unaccount_folio
                   https://syzkaller.appspot.com/bug?extid=17a207d226b8a5fb0fd9
<6>  302     No    kernel BUG in __page_table_check_zero (3)
                   https://syzkaller.appspot.com/bug?extid=2b5fe617654be3d8848b
<7>  290     No    INFO: task hung in migrate_pages_batch (4)
                   https://syzkaller.appspot.com/bug?extid=f523acb98cd782b4872e
<8>  234     Yes   kernel panic: System is deadlocked on memory (2)
                   https://syzkaller.appspot.com/bug?extid=c61d6962d0b7e698439e
<9>  109     Yes   INFO: rcu detected stall in sys_setsockopt (4)
                   https://syzkaller.appspot.com/bug?extid=6e61d59e9d2150c8492b
<10> 79      Yes   KASAN: slab-use-after-free Read in folio_evictable (3)
                   https://syzkaller.appspot.com/bug?extid=4c7590f1cee06597e43a

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