nfsd: handle get_client_locked() failure in nfsd4_setclientid_confirm()

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

CVE-2025-38724 · Microsoft / collected KEV context

cve-program · CVE-2025-38724

• https://git.kernel.org/stable/c/3f252a73e81aa01660cb426735eab932e6182e8d
• https://git.kernel.org/stable/c/d35ac850410966010e92f401f4e21868a9ea4d8b
• https://git.kernel.org/stable/c/f3aac6cf390d8b80e1d82975faf4ac61175519c0
• https://git.kernel.org/stable/c/22f45cedf281e6171817c8a3432c44d788c550e1
• https://git.kernel.org/stable/c/d71abd1ae4e0413707cd42b10c24a11d1aa71772
• https://git.kernel.org/stable/c/74ad36ed60df561a303a19ecef400c7096b20306
• https://git.kernel.org/stable/c/36e83eda90e0e4ac52f259f775b40b2841f8a0a3
• https://git.kernel.org/stable/c/571a5e46c71490285d2d8c06f6b5a7cbf6c7edd1
• https://git.kernel.org/stable/c/908e4ead7f757504d8b345452730636e298cbf68

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