dm: clear cloned request bio pointer when last clone bio completes

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

CVE-2026-43278 · Microsoft / collected KEV context

cve-program · CVE-2026-43278

• https://git.kernel.org/stable/c/8d9ddad561136f7e6a9346767bf97b4d79e38e67
• https://git.kernel.org/stable/c/7daf279c674d515fb22a727a7bbc92aeb35c5442
• https://git.kernel.org/stable/c/e2e738e8dfbbf83bd2bae0467ec4420cc52da42a
• https://git.kernel.org/stable/c/b1c1a2637ebd675aa2d71fee8c70da8791d73850
• https://git.kernel.org/stable/c/83d72091804600ead96dc9e9f518ea56cb4942f6
• https://git.kernel.org/stable/c/fb8a6c18fb9a6561f7a15b58b272442b77a242dd

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