Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: eglibc (Ubuntu)
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/1364584
Title:
`getaddrinfo` leaks memory
Status in “eglibc” package in Ubuntu:
Confirmed
Bug description:
I believe 2.11.1-0ubuntu7.14 (Ubuntu 10.04) introduces a regression in
`getaddrinfo`.
I'm using the test case from [Debian Bug
#304022](https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=304022)
(attached as "main.c"). Valgrind detects a leak (output below) that
isn't detected if I'm downgrading to 2.11.1-0ubuntu7.13. Upgrading to
2.11.1-0ubuntu7.16 doesn't resolve this. However, I'm unable to
reproduce on 2.19-0ubuntu6.3 (Ubuntu 14.04).
(The host in the test case yields a NXDOMAIN, but this isn't significant; it
seems 1 kB will be leaked per block in any case.)
==7== Memcheck, a memory error detector
==7== Copyright (C) 2002-2009, and GNU GPL'd, by Julian Seward et al.
==7== Using Valgrind-3.6.0.SVN-Debian and LibVEX; rerun with -h for
copyright info
==7== Command: ./a.out
==7==
==7==
==7== HEAP SUMMARY:
==7== in use at exit: 1,024 bytes in 1 blocks
==7== total heap usage: 58 allocs, 57 frees, 9,893 bytes allocated
==7==
==7== 1,024 bytes in 1 blocks are definitely lost in loss record 1 of 1
==7== at 0x4C274A8: malloc (vg_replace_malloc.c:236)
==7== by 0x4EE7EC6: gaih_inet (getaddrinfo.c:858)
==7== by 0x4EEA8F1: getaddrinfo (getaddrinfo.c:2425)
==7== by 0x400606: main (in /tmp/a.out)
==7==
==7== LEAK SUMMARY:
==7== definitely lost: 1,024 bytes in 1 blocks
==7== indirectly lost: 0 bytes in 0 blocks
==7== possibly lost: 0 bytes in 0 blocks
==7== still reachable: 0 bytes in 0 blocks
==7== suppressed: 0 bytes in 0 blocks
==7==
==7== For counts of detected and suppressed errors, rerun with: -v
==7== ERROR SUMMARY: 1 errors from 1 contexts (suppressed: 4 from 4)
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