CVE-2026-93827 virtio-fs: avoid double-free on failed queue setup

In the Linux kernel, the following vulnerability has been resolved: virtio-fs: avoid double-free on failed queue setup virtiofssetupvqs allocates fs-vqs and fs-mqmap before calling virtiofindvqs. If virtiofindvqs fails, the error path frees both pointers and returns an error to virtiofsprobe...