Patch-ID# 100186-01
Keywords: panic data fault
Synopsis:system crashes with panic data fault when sending icmp error
Date: 16/Dec/90

SunOS release:  4.1 4.1.1

Topic: kernel panic data fault

BugID's fixed with this patch: 1046945

Architectures for which this patch is available: sun3 sun4 sun4c

Problem description:

When icmp generates an error packet it goes beyond the first
mbuf, sometimes that could be an unmapped page which generates
the data fault.

Fix description:

The fix includes patched version of:

        ip_icmp.o

INSTALL:

   After extracting fix tape contents into /tmp, as root install
   the appopriate sun3 sun4 or sun4c patches as follows:

 where "sunX" below is either sun3 sun4 or sun4c:

        mv /sys/sunX/OBJ/ip_icmp.o /sys/sunX/OBJ/ip_icmp.o_orig

        cp /sunX/ip_icmp.o /sys/sunX/OBJ/ip_icmp.o
        chmod 444 /sys/sunX/OBJ/ip_icmp.o
 
   Then a new kernel will need to be made and installed.
Please refer to the System and Network Administration Manul
for creating and installing a custom kernel.


Estimated Size of this patch: 25 KB