CVE-2025-21787 team: better TEAM_OPTION_TYPE_STRING validation

In the Linux kernel, the following vulnerability has been resolved: team: better TEAMOPTIONTYPESTRING validation syzbot reported following splat 1 Make sure user-provided data contains one nul byte. 1 BUG: KMSAN: uninit-value in stringnocheck lib/vsprintf.c:633 inline BUG: KMSAN: uninit-value in...