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.