CVE-2024-56755 netfs/fscache: Add a memory barrier for FSCACHE_VOLUME_CREATING

In the Linux kernel, the following vulnerability has been resolved: netfs/fscache: Add a memory barrier for FSCACHEVOLUMECREATING In fscachecreatevolume, there is a missing memory barrier between the bit-clearing operation and the wake-up operation. This may cause a situation where, after a...