Bug 134193

Summary: getaddrinfo caching appears to leak large amounts of memory
Product: [Fedora] Fedora Reporter: Nicholas Miell <nmiell>
Component: glibcAssignee: Jakub Jelinek <jakub>
Status: CLOSED RAWHIDE QA Contact: Brian Brock <bbrock>
Severity: medium Docs Contact:
Priority: medium    
Version: rawhideCC: drepper
Target Milestone: ---   
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: 2.3.3-61 Doc Type: Bug Fix
Doc Text:
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Clone Of: Environment:
Last Closed: 2004-09-30 10:24:40 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
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Description Flags
Firefox backtrace none

Description Nicholas Miell 2004-09-30 03:19:31 UTC 
Firefox has recently been prone to allocating multiple gigabytes of
memory and thrashing my box to death.

I tracked two problems back to gnome-vfs2, which have since been
fixed, but Firefox is still occasionally allocating huge chunks
amounts of memory.

The same update from rawhide which provided the buggy gnome-vfs2 also
came with the version of glibc where getaddrinfo caching was introduced.

I managed to accidentally trigger the bug in Firefox when running in a
debugger, and the only active thread was stopped in __nscd_getai, so I
think it's possible that the problem is in the getaddrinfo caching
changes.

This is on an AMD64 system, which may be related to the problem.
Comment 1 Nicholas Miell 2004-09-30 03:20:01 UTC 
Created attachment 104562 [details]
Firefox backtrace
Comment 2 Nicholas Miell 2004-09-30 04:18:18 UTC 
AFAICT, resultbuf is leaked if an intervening nscd GC causes
__nscd_getai to loop on retry.
Comment 3 Bill Nottingham 2004-09-30 04:46:57 UTC 
This is with glibc-...-59?
Comment 4 Nicholas Miell 2004-09-30 04:56:29 UTC 
yes
Comment 5 Ulrich Drepper 2004-09-30 10:24:40 UTC 
Should be fixed in 2.3.3-61.