[syzbot-moderation] Monthly mm report (Oct 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, 7 new issues were detected and 5 were fixed.
In total, 117 issues are still open and 349 have already been fixed.

Some of the still happening issues:

Ref Crashes Repro Title
<1> 7428 Yes WARNING in ext4_dirty_folio
https://syzkaller.appspot.com/bug?extid=ecab51a4a5b9f26eeaa1
<2> 5678 Yes WARNING in v9fs_fid_get_acl
https://syzkaller.appspot.com/bug?extid=a83dc51a78f0f4cf20da
<3> 2930 Yes possible deadlock in filemap_fault
https://syzkaller.appspot.com/bug?extid=7736960b837908f3a81d
<4> 759 Yes kernel BUG in __filemap_add_folio
https://syzkaller.appspot.com/bug?extid=4d3cc33ef7a77041efa6
<5> 589 Yes INFO: rcu detected stall in addrconf_rs_timer (6)
https://syzkaller.appspot.com/bug?extid=fecf8bd19c1f78edb255
<6> 582 Yes INFO: task hung in _vm_unmap_aliases (3)
https://syzkaller.appspot.com/bug?extid=fe8f8efd070d727de971
<7> 485 Yes kernel BUG in filemap_unaccount_folio
https://syzkaller.appspot.com/bug?extid=17a207d226b8a5fb0fd9
<8> 469 Yes INFO: rcu detected stall in sys_newfstatat (4)
https://syzkaller.appspot.com/bug?extid=1c02a56102605204445c
<9> 457 Yes INFO: rcu detected stall in sys_openat (3)
https://syzkaller.appspot.com/bug?extid=23d96fb466ad56cbb5e5
<10> 390 Yes INFO: rcu detected stall in x64_sys_call
https://syzkaller.appspot.com/bug?extid=65203730e781d98f23a0

The report will be sent to: [linu...@kvack.org linux-...@vger.kernel.org].

---
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