CVE-2025-38260 btrfs: handle csum tree error with rescue=ibadroots correctly

In the Linux kernel, the following vulnerability has been resolved: btrfs: handle csum tree error with rescue=ibadroots correctly BUG There is syzbot based reproducer that can crash the kernel, with the following call trace: With some debug output added DEBUG: rescue=ibadroots parsed BTRFS: devic...