CVE-2026-53292 net: phonet: do not BUG_ON() in pn_socket_autobind() on failed bind

In the Linux kernel, the following vulnerability has been resolved: net: phonet: do not BUGON in pnsocketautobind on failed bind syzbot reported a kernel BUG triggered from pnsocketsendmsg via pnsocketautobind: kernel BUG at net/phonet/socket.c:213! RIP: 0010:pnsocketautobind...