Description: "getgrent_r" ROUTINE CAUSES HEAP CORRUPTION. With the introduction of the APAR IZ17022 , "getgrent_r" routine causes heap corruption due to an invalid "free". AIX 5.3 Tl07 SP8: =========== File name: IZ52906.epkg.Z (Size: 4161591 bytes) bos.rte.libc: min level: 5.3.7.8 max level: 5.3.7.8 Please ensure that the fileset levels of bos.rte.libc meet the prerequisite specified above. lslpp -l bos.rte.libc This file is built using the epkg tool and will automatically take care of backing up the existing binary and installing the new one with the correct permissions. This fix needs to be installed using the emgr tool. For this the bos.rte.install fileset needs to be installed. Installation steps:- 1. Download this file onto some temporary directory (say, /tmp). 2. Run the following command to install the ifix : emgr -e Ex: emgr -e /tmp/IZ52906.epkg.Z 3. Incase you have any issues with the fix and want to remove the fix,then run emgr -r -L Ex: emgr -r -L IZ52906 Note: ---- Reboot is not required