Provide references for CVE-2021-31440.
Where can I find more information about CVE-2021-31440?
References are available at: https://www.zerodayinitiative.com/advisories/ZDI-21-503/, https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=10bf4e83167cc68595b85fd73bb91e8f2c086e36, https://security.netapp.com/advisory/ntap-20210706-0003/.