[syzbot] Monthly hfs report (Apr 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, 0 new issues were detected and 0 were fixed.
In total, 22 issues are still open and 35 have already been fixed.

Some of the still happening issues:

Ref Crashes Repro Title
<1> 15471 Yes possible deadlock in hfsplus_get_block
https://syzkaller.appspot.com/bug?extid=b7ef7c0c8d8098686ae2
<2> 9391 Yes WARNING in hfs_bnode_create
https://syzkaller.appspot.com/bug?extid=a19ca73b21fe8bc69101
<3> 7349 Yes possible deadlock in hfs_find_init (2)
https://syzkaller.appspot.com/bug?extid=e390d66dda462b51fde1
<4> 4856 Yes possible deadlock in hfs_extend_file (3)
https://syzkaller.appspot.com/bug?extid=2a62f58f1a4951a549bb
<5> 1027 Yes possible deadlock in hfsplus_find_init
https://syzkaller.appspot.com/bug?extid=f8ce6c197125ab9d72ce
<6> 1012 Yes WARNING in mark_buffer_dirty (7)
https://syzkaller.appspot.com/bug?extid=2327bccb02eef9291c1c
<7> 891 Yes possible deadlock in hfsplus_file_extend (2)
https://syzkaller.appspot.com/bug?extid=4cba2fd444e9a16ae758
<8> 428 Yes possible deadlock in hfsplus_block_allocate
https://syzkaller.appspot.com/bug?extid=b6ccd31787585244a855
<9> 389 Yes possible deadlock in hfsplus_block_free
https://syzkaller.appspot.com/bug?extid=8fae81a1f77bf28ef3b5
<10> 96 Yes INFO: task hung in deactivate_super (3)
https://syzkaller.appspot.com/bug?extid=cba6270878c89ed64a2d

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