[syzbot] Monthly gfs2 report (Nov 2025)

syzbot
2025-11-17T07:50:29Z

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

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