linux-kernel - [syzbot] Monthly mm report (Feb 2025)

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Message-ID: <67a35d2d.050a0220.50516.0053.GAE@google.com>
Date: Wed, 05 Feb 2025 04:44:29 -0800
From: syzbot <syzbot+listf3ab4bba2c1ad0a87272@...kaller.appspotmail.com>
To: linux-kernel@...r.kernel.org, linux-mm@...ck.org, 
	syzkaller-bugs@...glegroups.com
Subject: [syzbot] Monthly mm report (Feb 2025)

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, 10 new issues were detected and 3 were fixed.
In total, 130 issues are still open and 281 have already been fixed.

Some of the still happening issues:

Ref  Crashes Repro Title
<1>  179425  Yes   WARNING: locking bug in __set_page_owner
                   https://syzkaller.appspot.com/bug?extid=56dc65adbd1d2ae1f844
<2>  10430   Yes   KASAN: slab-out-of-bounds Read in generic_perform_write
                   https://syzkaller.appspot.com/bug?extid=4a2376bc62e59406c414
<3>  7389    Yes   WARNING in ext4_dirty_folio
                   https://syzkaller.appspot.com/bug?extid=ecab51a4a5b9f26eeaa1
<4>  3624    Yes   INFO: task hung in page_cache_ra_unbounded (2)
                   https://syzkaller.appspot.com/bug?extid=265e1cae90f8fa08f14d
<5>  3191    Yes   INFO: rcu detected stall in worker_thread (9)
                   https://syzkaller.appspot.com/bug?extid=225bfad78b079744fd5e
<6>  2529    Yes   possible deadlock in filemap_fault
                   https://syzkaller.appspot.com/bug?extid=7736960b837908f3a81d
<7>  1518    No    WARNING: locking bug in __schedule
                   https://syzkaller.appspot.com/bug?extid=46b40e354b532433eeef
<8>  1496    Yes   BUG: Bad rss-counter state (5)
                   https://syzkaller.appspot.com/bug?extid=f2bbbb592debc978d46d
<9>  1465    Yes   possible deadlock in gup_fast_fallback
                   https://syzkaller.appspot.com/bug?extid=63ba90b81c16b86379bd
<10> 971     Yes   WARNING in vms_complete_munmap_vmas
                   https://syzkaller.appspot.com/bug?extid=38c3a8b50658644abaca

---
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@...glegroups.com.

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