btrfs: reject free space cache with more entries than pages

...

CVE-2026-64567 btrfs: reject free space cache with more entries than pages

In the Linux kernel, the following vulnerability has been resolved: btrfs: reject free space cache with more entries than pages When loading a v1 free space cache, loadfreespacecache takes numentries and numbitmaps straight from the on-disk btrfsfreespaceheader. That header is stored in the...