linux-kernel - [syzbot] Monthly mm report (Oct 2024)

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Message-ID: <66fe5d9e.050a0220.28a3b.020d.GAE@google.com>
Date: Thu, 03 Oct 2024 02:02:22 -0700
From: syzbot <syzbot+liste8e8a93665e01bff6e87@...kaller.appspotmail.com>
To: linux-kernel@...r.kernel.org, linux-mm@...ck.org, 
	syzkaller-bugs@...glegroups.com
Subject: [syzbot] Monthly mm report (Oct 2024)

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 4 were fixed.
In total, 79 issues are still open and 263 have been fixed so far.

Some of the still happening issues:

Ref  Crashes Repro Title
<1>  10299   Yes   KASAN: slab-out-of-bounds Read in generic_perform_write
                   https://syzkaller.appspot.com/bug?extid=4a2376bc62e59406c414
<2>  7383    Yes   WARNING in ext4_dirty_folio
                   https://syzkaller.appspot.com/bug?extid=ecab51a4a5b9f26eeaa1
<3>  2612    Yes   INFO: task hung in page_cache_ra_unbounded (2)
                   https://syzkaller.appspot.com/bug?extid=265e1cae90f8fa08f14d
<4>  2189    Yes   INFO: rcu detected stall in worker_thread (9)
                   https://syzkaller.appspot.com/bug?extid=225bfad78b079744fd5e
<5>  1579    Yes   possible deadlock in filemap_fault
                   https://syzkaller.appspot.com/bug?extid=7736960b837908f3a81d
<6>  679     Yes   possible deadlock in gup_fast_fallback
                   https://syzkaller.appspot.com/bug?extid=63ba90b81c16b86379bd
<7>  559     Yes   INFO: rcu detected stall in corrupted (4)
                   https://syzkaller.appspot.com/bug?extid=aa7d098bd6fa788fae8e
<8>  460     Yes   INFO: task hung in _vm_unmap_aliases (3)
                   https://syzkaller.appspot.com/bug?extid=fe8f8efd070d727de971
<9>  289     No    KCSAN: data-race in __filemap_remove_folio / folio_mapping (2)
                   https://syzkaller.appspot.com/bug?extid=606f94dfeaaa45124c90
<10> 287     No    WARNING: locking bug in __schedule
                   https://syzkaller.appspot.com/bug?extid=46b40e354b532433eeef

---
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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