linux-kernel - [syzbot] Monthly hfs report (Oct 2025)

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Message-ID: <68ff6a90.050a0220.3344a1.0393.GAE@google.com>
Date: Mon, 27 Oct 2025 05:50:24 -0700
From: syzbot <syzbot+listd792fd3cf3cd3d015985@...kaller.appspotmail.com>
To: linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org, 
	syzkaller-bugs@...glegroups.com
Subject: [syzbot] Monthly hfs report (Oct 2025)

Hello hfs maintainers/developers,

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

During the period, 1 new issues were detected and 0 were fixed.
In total, 33 issues are still open and 30 have already been fixed.

Some of the still happening issues:

Ref  Crashes Repro Title
<1>  129081  Yes   kernel BUG in hfs_write_inode
                   https://syzkaller.appspot.com/bug?extid=97e301b4b82ae803d21b
<2>  14106   Yes   possible deadlock in hfsplus_get_block
                   https://syzkaller.appspot.com/bug?extid=b7ef7c0c8d8098686ae2
<3>  5424    Yes   possible deadlock in hfs_find_init (2)
                   https://syzkaller.appspot.com/bug?extid=e390d66dda462b51fde1
<4>  4085    Yes   WARNING in hfs_bnode_create
                   https://syzkaller.appspot.com/bug?extid=a19ca73b21fe8bc69101
<5>  3538    Yes   KASAN: slab-out-of-bounds Read in hfsplus_uni2asc
                   https://syzkaller.appspot.com/bug?extid=076d963e115823c4b9be
<6>  2855    Yes   possible deadlock in hfs_extend_file (3)
                   https://syzkaller.appspot.com/bug?extid=2a62f58f1a4951a549bb
<7>  1830    Yes   KMSAN: uninit-value in hfsplus_rename_cat
                   https://syzkaller.appspot.com/bug?extid=93f4402297a457fc6895
<8>  1007    Yes   WARNING in hfsplus_bnode_create
                   https://syzkaller.appspot.com/bug?extid=1c8ff72d0cd8a50dfeaa
<9>  819     Yes   possible deadlock in hfsplus_find_init
                   https://syzkaller.appspot.com/bug?extid=f8ce6c197125ab9d72ce
<10> 599     Yes   WARNING in mark_buffer_dirty (7)
                   https://syzkaller.appspot.com/bug?extid=2327bccb02eef9291c1c

---
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See https://goo.gl/tpsmEJ for more information about syzbot.
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