CVE-2025-40333

In the Linux kernel, the following vulnerability has been resolved:

f2fs: fix infinite loop in __insert_extent_tree()

When we get wrong extent info data, and look up extent_node in rb tree,
it will cause infinite loop (CONFIG_F2FS_CHECK_FS=n). Avoiding this by
return NULL and print some kernel messages in that case.

More information : https://git.kernel.org/stable/c/23361bd54966b437e1ed3eb1a704572f4b279e58