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Bug 217555

Summary: Memory leak in libresolv fix
Product: Red Hat Enterprise Linux 3 Reporter: Vladislav Bogdanov <bubble>
Component: glibcAssignee: Jakub Jelinek <jakub>
Status: CLOSED WONTFIX QA Contact: Brian Brock <bbrock>
Severity: medium Docs Contact:
Priority: medium    
Version: 3.0   
Target Milestone: ---   
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2006-12-13 12:13:34 EST Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Attachments:
Description Flags
patch itself
none
Corrected patch (now compiles)
none
(Hopefully) Final version. Now it really builds correctly. none

Description Vladislav Bogdanov 2006-11-28 11:36:54 EST
Description of problem:

libresolve leaks memory

Patch attached (based on CVS commits of Ulrich Drepper 31.10.2005 - 1.11.2005) -
http://sources.redhat.com/ml/glibc-cvs/2005-q4/


Additional info:
discussed in thread http://sourceware.org/ml/libc-alpha/2005-10/msg00059.html
Comment 1 Vladislav Bogdanov 2006-11-28 11:36:57 EST
Created attachment 142303 [details]
patch itself
Comment 2 Vladislav Bogdanov 2006-11-28 15:45:53 EST
Created attachment 142326 [details]
Corrected patch (now compiles)

Sorry, forgot to include <stdbool.h> where needed.
Comment 3 Vladislav Bogdanov 2006-11-28 17:38:40 EST
Created attachment 142337 [details]
(Hopefully) Final version. Now it really builds correctly.

Ups, sorry, missed second commit to res_init.c.

Now, I have build process finished, and I am waiting for rpms to be built in
next two hours. I hope now leak should be really fixed.
Comment 4 Jakub Jelinek 2006-12-13 12:13:34 EST
This is too risky this late in RHEL3 release cycle and there is a workaround
available.  E.g. addition of __res_iclose@@GLIBC_PRIVATE will cause failures
during upgrades for system daemons that are started before the upgrade and dlopen
libresolv after glibc upgrade (e.g. as part of gethostby* or getaddrinfo call).