Patch-ID# 101749-02
Keywords: filesystem, nfs, 400, permission, overwrite, dump, core, coredump, NFS
Synopsis: SunOS 4.1.2;4.1.3: coredump can overwrite core file with permissions 400 on NFS. 
Date: Jul/11/94
 
SunOS Release: 4.1.2, 4.1.3
 
Topic: coredump files and NFS
 
BugId's fixed with this patch: 1165527

Relevant Architecture: sparc
    NOTE: sun4,sun4m,sun4c

Patches which may conflict with this patch: 100458, 101134

Files included with this patch: README, kern_sig.o

Obsoleted by: 

Problem Description: 
	A core dump can overwrite a core file with permissions 400 on an
	NFS filesystem when the client is running 4.1.3 and the server
	is running 5.3.

INSTALL: 

As root:

Make a backup copy of the files to be installed:

mv /sys/`arch -k`/OBJ/kern_sig.o /sys/`arch -k`/OBJ/kern_sig.o.FCS

Now install the patched files:

cp 4.1.3/`arch -k`/kern_sig.o /sys/`arch -k`/OBJ

Run /etc/config <kernel-name> and make and install the new kernel.

Please refer to the system and networking administration manual
for details on building and installing a new kernel.
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