Bluetooth: l2cap: Add missing chan lock in l2cap_ecred_reconf_rsp

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

CVE-2026-53071 · Microsoft / collected KEV context

cve-program · CVE-2026-53071

• https://git.kernel.org/stable/c/96dca51715d86559ed6ed8028e5445cecb80f3ae
• https://git.kernel.org/stable/c/330b20ec97916961ee0e6c29c06bc0fa7c96e64c
• https://git.kernel.org/stable/c/0ccd75c51f620374086f359e906917676e699a1c
• https://git.kernel.org/stable/c/77a853aec710b2fdf41fa298ea3cbc9a4358f917
• https://git.kernel.org/stable/c/fe1188abdae9b7a8199dcdfcf9244d5e5d61eb14
• https://git.kernel.org/stable/c/dc89961b76f12aff47124c1df4bdb32a080f4d0c
• https://git.kernel.org/stable/c/5501d055a1ce3c747141e3955ba8cf034d193f3e
• https://git.kernel.org/stable/c/42776497cdbc9a665b384a6dcb85f0d4bd927eab

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