[syzbot] Monthly hfs report (Mar 2026)

[syzbot] Monthly hfs report (Mar 2026)

[syzbot]

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, 24 issues are still open and 35 have already been fixed.

Some of the still happening issues:

Ref  Crashes Repro Title
<1>  15321   Yes   possible deadlock in hfsplus_get_block
                   https://syzkaller.appspot.com/bug?extid=b7ef7c0c8d8098686ae2
<2>  7285    Yes   WARNING in hfs_bnode_create
                   https://syzkaller.appspot.com/bug?extid=a19ca73b21fe8bc69101
<3>  6882    Yes   possible deadlock in hfs_find_init (2)
                   https://syzkaller.appspot.com/bug?extid=e390d66dda462b51fde1
<4>  3897    Yes   possible deadlock in hfs_extend_file (3)
                   https://syzkaller.appspot.com/bug?extid=2a62f58f1a4951a549bb
<5>  1851    Yes   KMSAN: uninit-value in hfsplus_rename_cat
                   https://syzkaller.appspot.com/bug?extid=93f4402297a457fc6895
<6>  998     Yes   possible deadlock in hfsplus_find_init
                   https://syzkaller.appspot.com/bug?extid=f8ce6c197125ab9d72ce
<7>  991     Yes   WARNING in mark_buffer_dirty (7)
                   https://syzkaller.appspot.com/bug?extid=2327bccb02eef9291c1c
<8>  837     Yes   possible deadlock in hfsplus_file_extend (2)
                   https://syzkaller.appspot.com/bug?extid=4cba2fd444e9a16ae758
<9>  471     Yes   KASAN: wild-memory-access Read in hfsplus_bnode_dump
                   https://syzkaller.appspot.com/bug?extid=f687659f3c2acfa34201
<10> 420     Yes   possible deadlock in hfsplus_block_allocate
                   https://syzkaller.appspot.com/bug?extid=b6ccd31787585244a855

---
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@googlegroups.com.

To disable reminders for individual bugs, reply with the following command:
#syz set <Ref> no-reminders

To change bug's subsystems, reply with:
#syz set <Ref> subsystems: new-subsystem

You may send multiple commands in a single email message.