CVE-2026-43217 media: iris: gen2: Add sanity check for session stop

In the Linux kernel, the following vulnerability has been resolved: media: iris: gen2: Add sanity check for session stop In iriskillsession, inst-state is set to IRISINSTERROR and sessionclose is executed, which will kfreeinsthfigen2-packet. If stopstreaming is called afterward, it will cause a...