Patch-ID# 102424-03 Keywords: hang system socket msg_peek recvfrom() tcp OOB leaking mbuf Synopsis: SunOS 4.1.3: uipc_socket fixes Date: May/05/95 Solaris Release: 1.1 SunOS Release: 4.1.3 Notes: This patch is available for 4.1.4 as 102426-03 and for 4.1.3_U1 as 102425-03. Unbundled Product: Unbundled Release: Relevant Architectures: sparc BugId's fixed with this patch: 1185571 1189417 Changes incorporated in this version: 1185571 Patches accumulated and obsoleted by this patch: Files included with this patch: uipc_socket.o Problem Description: 1185571 --> System table file entry leaking for socket. 1189417 --> Use recvfrom() with MSG_PEEK option on a socket receive causes system to hang. Patch Installation Instructions: As root, backup the old files: mv /sys/`arch -k`/OBJ/uipc_socket.o /sys/`arch -k`/OBJ/uipc_socket.o.FCS Now install the patched file from the patch directory location: cp `arch -k`/uipc_socket.o /sys/`arch -k`/OBJ/uipc_socket.o chmod 444 /sys/`arch -k`/OBJ/uipc_socket.o Config, make and install a new kernel. Please refer to the system and networking administration manual for details on building and installing a new kernel.