CVE-2024-41086 bcachefs: Fix sb_field_downgrade validation

In the Linux kernel, the following vulnerability has been resolved: bcachefs: Fix sbfielddowngrade validation - bch2sbdowngradevalidate wasn't checking for a downgrade entry extending past the end of the superblock section - foreachdowngradeentry is used in totext and needs to work on malformed...

CVE-2024-41086 bcachefs: Fix sb_field_downgrade validation

In the Linux kernel, the following vulnerability has been resolved: bcachefs: Fix sbfielddowngrade validation - bch2sbdowngradevalidate wasn't checking for a downgrade entry extending past the end of the superblock section - foreachdowngradeentry is used in totext and needs to work on malformed...