HP Tru64 UNIX - Potential Application Core Dump



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 Advisory Information

RELEASE DATE: 01 March 2004

IIf a multithreaded application calls system(3) or vfork(2) to create a child process, the application running in the child process may fail and core dump. This core dump often happens when the child is a single-threaded program such the ksh shell program or other programs.


The following versions are affected:

  • HP Tru64 UNIX V5.1B - PK2/BL22
  • HP Tru64 UNIX V4.0G - PK4/BL22

HP is releasing the following early release patch kits (ERPs) publicly for use by any customer. The ERP kits use dupatch to install and will not install over any customer-specific patches (CSPs) that have file intersections with the ERP. 

With this patch, the kernel properly clears a state that was inadvertently copied from the parent to the child process./p>

The fix appears in the following mainstream releases:

  • HP Tru64 UNIX V5.1B PK3/BL24 (already released) 
  • HP Tru64 UNIX 4.0F PK8/BL22 (already released)

Early Release Patch Kits

ERP kits are available for the following versions. The kits distribute the following file:


HHP Tru64 UNIX 5.1B
Prerequsite:      HP Tru64 UNIX 5.1B PK2 (BL22)
ERP Kit Name:        T64KIT0021681-V51BB22-E-20040223.tar    br> ITRC Patch Page:  http://www.itrc.hp.com/service/patch/mainPage.do
Kit Location: 

HP Tru64 UNIX 4.0G
PREREQUISITE:     HP Tru64 UNIX 4.0G with PK4 (BL22)
ERP Kit Name:        T64KIT0021701-V40GB22-E-20040224.tar   
ITRC Patch Page:  http://www.itrc.hp.com/service/patch/mainPage.do
Kit Location: