[syzbot] Monthly overlayfs report (Dec 2025)

[syzbot] Monthly overlayfs report (Dec 2025)

[syzbot]

Hello overlayfs maintainers/developers,

This is a 31-day syzbot report for the overlayfs subsystem.
All related reports/information can be found at:
https://syzkaller.appspot.com/upstream/s/overlayfs

During the period, 3 new issues were detected and 1 were fixed.
In total, 5 issues are still open and 34 have already been fixed.

Some of the still happening issues:

Ref Crashes Repro Title
<1> 32      No    possible deadlock in pipe_lock (6)
                  https://syzkaller.appspot.com/bug?extid=603e6f91a1f6c5af8c02
<2> 9       Yes   general protection fault in ovl_iterate
                  https://syzkaller.appspot.com/bug?extid=a16fb0cce329a320661c
<3> 1       No    WARNING in end_dirop
                  https://syzkaller.appspot.com/bug?extid=19b2d871b77d222db434

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