[syzbot] Monthly hfs report (Apr 2024)

From: syzbot
Date: Fri Apr 12 2024 - 09:19:00 EST


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, 4 new issues were detected and 0 were fixed.
In total, 44 issues are still open and 16 have been fixed so far.

Some of the still happening issues:

Ref Crashes Repro Title
<1> 13341 Yes possible deadlock in hfsplus_file_truncate
https://syzkaller.appspot.com/bug?extid=6030b3b1b9bf70e538c4
<2> 11844 Yes possible deadlock in hfsplus_file_extend
https://syzkaller.appspot.com/bug?extid=325b61d3c9a17729454b
<3> 10206 Yes KASAN: slab-out-of-bounds Read in generic_perform_write
https://syzkaller.appspot.com/bug?extid=4a2376bc62e59406c414
<4> 6225 Yes possible deadlock in hfsplus_get_block
https://syzkaller.appspot.com/bug?extid=b7ef7c0c8d8098686ae2
<5> 4270 Yes KMSAN: uninit-value in hfs_revalidate_dentry
https://syzkaller.appspot.com/bug?extid=3ae6be33a50b5aae4dab
<6> 2681 Yes kernel BUG in __hfsplus_setxattr
https://syzkaller.appspot.com/bug?extid=1107451c16b9eb9d29e6
<7> 934 Yes KASAN: slab-out-of-bounds Read in hfsplus_uni2asc
https://syzkaller.appspot.com/bug?extid=076d963e115823c4b9be
<8> 828 Yes kernel BUG in hfs_write_inode
https://syzkaller.appspot.com/bug?extid=97e301b4b82ae803d21b
<9> 767 Yes KMSAN: uninit-value in hfsplus_delete_cat
https://syzkaller.appspot.com/bug?extid=fdedff847a0e5e84c39f
<10> 707 Yes WARNING in hfs_bnode_create
https://syzkaller.appspot.com/bug?extid=a19ca73b21fe8bc69101

---
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@xxxxxxxxxxxxxxxx.

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.