[syzbot] Monthly overlayfs report (Jun 2024)

[syzbot] Monthly overlayfs report (Jun 2024)

[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, 1 new issues were detected and 0 were fixed.
In total, 3 issues are still open and 26 have been fixed so far.

Some of the still happening issues:

Ref Crashes Repro Title
<1> 21      Yes   BUG: unable to handle kernel NULL pointer dereference in __lookup_slow (3)
                  https://syzkaller.appspot.com/bug?extid=94891a5155abdf6821b7
<2> 7       No    possible deadlock in ovl_copy_up_start (4)
                  https://syzkaller.appspot.com/bug?extid=6d34d0b636fea8b593eb
<3> 4       No    KASAN: slab-use-after-free Read in ovl_dentry_update_reval
                  https://syzkaller.appspot.com/bug?extid=316db8a1191938280eb6

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