linux-kernel - [syzbot] Monthly gfs2 report (Nov 2025)

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Message-ID: <691ad3c4.a70a0220.f6df1.0007.GAE@google.com>
Date: Sun, 16 Nov 2025 23:50:28 -0800
From: syzbot <syzbot+list3a6c8221befe7277e550@...kaller.appspotmail.com>
To: gfs2@...ts.linux.dev, linux-kernel@...r.kernel.org, 
	syzkaller-bugs@...glegroups.com
Subject: [syzbot] Monthly gfs2 report (Nov 2025)

Hello gfs2 maintainers/developers,

This is a 31-day syzbot report for the gfs2 subsystem.
All related reports/information can be found at:
https://syzkaller.appspot.com/upstream/s/gfs2

During the period, 3 new issues were detected and 0 were fixed.
In total, 35 issues are still open and 39 have already been fixed.

Some of the still happening issues:

Ref  Crashes Repro Title
<1>  1426    Yes   kernel BUG in gfs2_glock_nq (2)
                   https://syzkaller.appspot.com/bug?extid=70f4e455dee59ab40c80
<2>  732     Yes   INFO: task hung in __gfs2_lookup
                   https://syzkaller.appspot.com/bug?extid=8a86bdd8c524e46ff97a
<3>  514     Yes   kernel BUG in gfs2_jindex_free (2)
                   https://syzkaller.appspot.com/bug?extid=150563285f78ac3e9bd4
<4>  509     Yes   WARNING in vfs_setxattr (3)
                   https://syzkaller.appspot.com/bug?extid=5ce48a14916462cec450
<5>  411     Yes   kernel BUG in __gfs2_glock_put (2)
                   https://syzkaller.appspot.com/bug?extid=ef4ad020dc976d178975
<6>  393     Yes   KASAN: stack-out-of-bounds Read in gfs2_dump_glock
                   https://syzkaller.appspot.com/bug?extid=7efd59a5a532c57037e6
<7>  203     Yes   WARNING in do_mknodat (3)
                   https://syzkaller.appspot.com/bug?extid=0cee785b798102696a4b
<8>  113     Yes   KASAN: slab-use-after-free Read in gfs2_invalidate_folio
                   https://syzkaller.appspot.com/bug?extid=3a36aeabd31497d63f6e
<9>  66      Yes   KASAN: slab-use-after-free Read in folio_evictable (3)
                   https://syzkaller.appspot.com/bug?extid=4c7590f1cee06597e43a
<10> 62      No    WARNING in gfs2_put_super
                   https://syzkaller.appspot.com/bug?extid=56182be23469e01affbc

---
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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