[syzbot] Monthly hfs report (Oct 2026)

[syzbot] Monthly hfs report (Oct 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, 18 issues are still open and 42 have already been fixed.
There is also 1 low-priority issue.

Some of the still happening issues:

Ref Crashes Repro Title
<1> 15760   Yes   possible deadlock in hfsplus_get_block
                  https://syzkaller.appspot.com/bug?extid=b7ef7c0c8d8098686ae2
<2> 11266   Yes   WARNING in hfs_bnode_create
                  https://syzkaller.appspot.com/bug?extid=a19ca73b21fe8bc69101
<3> 111     Yes   INFO: task hung in deactivate_super (3)
                  https://syzkaller.appspot.com/bug?extid=cba6270878c89ed64a2d
<4> 17      Yes   general protection fault in hfsplus_cat_write_inode
                  https://syzkaller.appspot.com/bug?extid=c0ba772a362e70937dfb
<5> 6037    Yes   possible deadlock in hfs_extend_file (3)
                  https://syzkaller.appspot.com/bug?extid=2a62f58f1a4951a549bb
<6> 1887    Yes   KMSAN: uninit-value in hfsplus_rename_cat
                  https://syzkaller.appspot.com/bug?extid=93f4402297a457fc6895
<7> 1059    Yes   possible deadlock in hfsplus_file_extend (2)
                  https://syzkaller.appspot.com/bug?extid=4cba2fd444e9a16ae758
<8> 428     Yes   possible deadlock in hfsplus_block_free
                  https://syzkaller.appspot.com/bug?extid=8fae81a1f77bf28ef3b5
<9> 19      Yes   memory leak in __hfs_bnode_create
                  https://syzkaller.appspot.com/bug?extid=98547b0428b6a6a3467c

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