zsmalloc: fix races between asynchronous zspage free and page migration

These records connect through source-stated identifiers. Shared identifiers or dates alone do not establish shared exposure, root cause or applicability.

CVE-2022-49554 · Microsoft / collected KEV context

cve-program · CVE-2022-49554

• https://git.kernel.org/stable/c/3674d8a8dadd03a447dd21069d4dacfc3399b63b
• https://git.kernel.org/stable/c/645996efc2ae391246d595832aaa6f9d3cc338c7
• https://git.kernel.org/stable/c/fc658c083904427abbf8f18280d517ee2668677c
• https://git.kernel.org/stable/c/fae05b2314b147a78fbed1dc4c645d9a66313758
• https://git.kernel.org/stable/c/3ec459c8810e658401be428d3168eacfc380bdd0
• https://git.kernel.org/stable/c/8ba7b7c1dad1f6503c541778f31b33f7f62eb966
• https://git.kernel.org/stable/c/c5402fb5f71f1a725f1e55d9c6799c0c7bec308f
• https://git.kernel.org/stable/c/2505a981114dcb715f8977b8433f7540854851d8

No related operational record is retained in the current change model.