Bug 456506 – dlopen/dlclose causes memory leak in _dl_map_object_from_fd

Bug 456506 - dlopen/dlclose causes memory leak in _dl_map_object_from_fd

Summary:	dlopen/dlclose causes memory leak in _dl_map_object_from_fd

Status:	CLOSED DEFERRED

Aliases:	None

Product:	Red Hat Enterprise Linux 5
Classification:	Red Hat
Component:	glibc (Show other bugs)
Sub Component:
Version:	5.2
Hardware:	All Linux

Priority	low Severity low
Target Milestone:	rc
Target Release:	---
Assigned To:	Jakub Jelinek
QA Contact:	Brian Brock
Docs Contact:

URL:
Whiteboard:
Keywords:

Depends On:
Blocks:
	Show dependency tree / graph

Reported:	2008-07-24 04:38 EDT by Makoto Kato
Modified:	2008-08-09 19:16 EDT (History)
CC List:	2 users (show)

See Also:
Fixed In Version:
Doc Type:	Bug Fix
Doc Text:
Story Points:	---
Clone Of:
Environment:
Last Closed:	2008-08-09 19:16:56 EDT
Type:	---
Regression:	---
Mount Type:	---
Documentation:	---
CRM:
Verified Versions:
Category:	---
oVirt Team:	---
RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---

Attachments	(Terms of Use)
sample program written by C (227 bytes, text/plain) 2008-07-24 04:38 EDT, Makoto Kato	no flags	Details
Add an attachment (proposed patch, testcase, etc.)

Groups: None (edit)

Description Makoto Kato 2008-07-24 04:38:50 EDT

Description of problem:

dlopen/dlclose causes memory leak in _dl_map_object_from_fd 

Version-Release number of selected component (if applicable):

How reproducible:

Steps to Reproduce:
1. run test progam on valgrind
  
Actual results:
leak detected

==26199== 4 bytes in 1 blocks are definitely lost in loss record 1 of 1
==26199==    at 0x40053C0: malloc (vg_replace_malloc.c:149)
==26199==    by 0x8B3E27: _dl_map_object_from_fd (in /lib/ld-2.5.so)
==26199==    by 0x8B5333: _dl_map_object (in /lib/ld-2.5.so)
==26199==    by 0x8B90D5: openaux (in /lib/ld-2.5.so)
==26199==    by 0x8BAB45: _dl_catch_error (in /lib/ld-2.5.so)
==26199==    by 0x8B9699: _dl_map_object_deps (in /lib/ld-2.5.so)
==26199==    by 0x8BE614: dl_open_worker (in /lib/ld-2.5.so)
==26199==    by 0x8BAB45: _dl_catch_error (in /lib/ld-2.5.so)
==26199==    by 0x8BE0D1: _dl_open (in /lib/ld-2.5.so)
==26199==    by 0xA32C2C: dlopen_doit (in /lib/libdl-2.5.so)
==26199==    by 0x8BAB45: _dl_catch_error (in /lib/ld-2.5.so)
==26199==    by 0xA332AB: _dlerror_run (in /lib/libdl-2.5.so)

Expected results:
don't leak memory

Additional info:

Comment 1 Makoto Kato 2008-07-24 04:38:50 EDT

Created attachment 312537 [details]
sample program written by C

Comment 2 Ulrich Drepper 2008-08-09 19:16:56 EDT

Contact your Red Hat account manager to raise the bug.

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