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

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Message-ID: <69525659.a70a0220.90d62.003a.GAE@google.com>
Date: Mon, 29 Dec 2025 02:22:17 -0800
From: syzbot <syzbot+list96869fe6582bac30b4c6@...kaller.appspotmail.com>
To: linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org, 
	syzkaller-bugs@...glegroups.com
Subject: [syzbot] Monthly hfs report (Dec 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, 25 issues are still open and 31 have already been fixed.

Some of the still happening issues:

Ref  Crashes Repro Title
<1>  158424  Yes   kernel BUG in hfs_write_inode
                   https://syzkaller.appspot.com/bug?extid=97e301b4b82ae803d21b
<2>  14781   Yes   possible deadlock in hfsplus_get_block
                   https://syzkaller.appspot.com/bug?extid=b7ef7c0c8d8098686ae2
<3>  6107    Yes   possible deadlock in hfs_find_init (2)
                   https://syzkaller.appspot.com/bug?extid=e390d66dda462b51fde1
<4>  5557    Yes   WARNING in hfs_bnode_create
                   https://syzkaller.appspot.com/bug?extid=a19ca73b21fe8bc69101
<5>  3246    Yes   possible deadlock in hfs_extend_file (3)
                   https://syzkaller.appspot.com/bug?extid=2a62f58f1a4951a549bb
<6>  1842    Yes   KMSAN: uninit-value in hfsplus_rename_cat
                   https://syzkaller.appspot.com/bug?extid=93f4402297a457fc6895
<7>  900     Yes   possible deadlock in hfsplus_find_init
                   https://syzkaller.appspot.com/bug?extid=f8ce6c197125ab9d72ce
<8>  661     Yes   possible deadlock in hfsplus_file_extend (2)
                   https://syzkaller.appspot.com/bug?extid=4cba2fd444e9a16ae758
<9>  450     Yes   KASAN: wild-memory-access Read in hfsplus_bnode_dump
                   https://syzkaller.appspot.com/bug?extid=f687659f3c2acfa34201
<10> 386     Yes   possible deadlock in hfsplus_block_allocate
                   https://syzkaller.appspot.com/bug?extid=b6ccd31787585244a855

---
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