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* [Bug libc/13699] New: Hang in __lll_lock_wait_private after fork and realloc.
@ 2012-02-16 11:38 gf at unixsol dot org
2012-02-16 16:10 ` [Bug libc/13699] " law at redhat dot com
` (5 more replies)
0 siblings, 6 replies; 7+ messages in thread
From: gf at unixsol dot org @ 2012-02-16 11:38 UTC (permalink / raw)
To: glibc-bugs
http://sourceware.org/bugzilla/show_bug.cgi?id=13699
Bug #: 13699
Summary: Hang in __lll_lock_wait_private after fork and
realloc.
Product: glibc
Version: 2.13
Status: NEW
Severity: normal
Priority: P2
Component: libc
AssignedTo: drepper.fsp@gmail.com
ReportedBy: gf@unixsol.org
Classification: Unclassified
I'm using glibc 2.13 from Slackware 13.37 on x86-64. One of our local programs
hangs from time to time and I have kill -9 it. Today I was able to get core
file and get the following back trace.
#0 0x00007f3118abfa8e in __lll_lock_wait_private () from /lib64/libc.so.6
#1 0x00007f3118a49c75 in _L_lock_12271 () from /lib64/libc.so.6
#2 0x00007f3118a47efd in realloc () from /lib64/libc.so.6
#3 0x00007f3118a3b633 in vasprintf () from /lib64/libc.so.6
#4 0x00007f3118a1c238 in asprintf () from /lib64/libc.so.6
#5 0x00007f31189f7863 in __assert_fail () from /lib64/libc.so.6
#6 0x00007f3118d76366 in __reclaim_stacks () from /lib64/libpthread.so.0
#7 0x00007f3118a78a36 in fork () from /lib64/libc.so.6
#8 0x000000000040672d in do_notify (in=<value optimized out>) at
lib/inotify.c:39
#9 0x00007f3118d76d6b in start_thread () from /lib64/libpthread.so.0
#10 0x00007f3118ab045d in clone () from /lib64/libc.so.6
The program uses about 4G memory on machine with 16G and and 2.6.38.7 kernel.
The notify function looks like this:
https://github.com/gfto/tsdecrypt/blob/master/notify.c#L46
I understand the problem is some kind of malloc related deadlock but I have no
idea how to avoid or work around it. There is currently glibc 2.14.1 in
slackware-current, will updating to this version fix the problem?
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* [Bug libc/13699] Hang in __lll_lock_wait_private after fork and realloc.
2012-02-16 11:38 [Bug libc/13699] New: Hang in __lll_lock_wait_private after fork and realloc gf at unixsol dot org
@ 2012-02-16 16:10 ` law at redhat dot com
2012-10-03 18:29 ` siddhesh at redhat dot com
` (4 subsequent siblings)
5 siblings, 0 replies; 7+ messages in thread
From: law at redhat dot com @ 2012-02-16 16:10 UTC (permalink / raw)
To: glibc-bugs
http://sourceware.org/bugzilla/show_bug.cgi?id=13699
law at redhat dot com changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |law at redhat dot com
--- Comment #1 from law at redhat dot com 2012-02-16 16:08:39 UTC ---
This could easily be the malloc deadlock I posted about here:
http://sources.redhat.com/ml/libc-alpha/2012-02/msg00272.html
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* [Bug libc/13699] Hang in __lll_lock_wait_private after fork and realloc.
2012-02-16 11:38 [Bug libc/13699] New: Hang in __lll_lock_wait_private after fork and realloc gf at unixsol dot org
2012-02-16 16:10 ` [Bug libc/13699] " law at redhat dot com
@ 2012-10-03 18:29 ` siddhesh at redhat dot com
2012-10-04 15:58 ` gf at unixsol dot org
` (3 subsequent siblings)
5 siblings, 0 replies; 7+ messages in thread
From: siddhesh at redhat dot com @ 2012-10-03 18:29 UTC (permalink / raw)
To: glibc-bugs
http://sourceware.org/bugzilla/show_bug.cgi?id=13699
Siddhesh Poyarekar <siddhesh at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |WAITING
CC| |siddhesh at redhat dot com
--- Comment #2 from Siddhesh Poyarekar <siddhesh at redhat dot com> 2012-10-03 18:29:13 UTC ---
This should have been fixed by:
commit 7a775e6b3d938586db5a66a76de9c14667151cf9
Author: Andreas Schwab <schwab@redhat.com>
Date: Thu Sep 15 14:48:01 2011 +0200
Avoid race between {,__de}allocate_stack and __reclaim_stacks during fork
which is in 2.15 and later.
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* [Bug libc/13699] Hang in __lll_lock_wait_private after fork and realloc.
2012-02-16 11:38 [Bug libc/13699] New: Hang in __lll_lock_wait_private after fork and realloc gf at unixsol dot org
2012-02-16 16:10 ` [Bug libc/13699] " law at redhat dot com
2012-10-03 18:29 ` siddhesh at redhat dot com
@ 2012-10-04 15:58 ` gf at unixsol dot org
2014-06-26 15:22 ` fweimer at redhat dot com
` (2 subsequent siblings)
5 siblings, 0 replies; 7+ messages in thread
From: gf at unixsol dot org @ 2012-10-04 15:58 UTC (permalink / raw)
To: glibc-bugs
http://sourceware.org/bugzilla/show_bug.cgi?id=13699
Georgi Chorbadzhiyski <gf at unixsol dot org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|WAITING |RESOLVED
Resolution| |FIXED
--- Comment #3 from Georgi Chorbadzhiyski <gf at unixsol dot org> 2012-10-04 15:57:42 UTC ---
I'm now using 2.15 and the problem is gone (as expected). Thanks.
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* [Bug libc/13699] Hang in __lll_lock_wait_private after fork and realloc.
2012-02-16 11:38 [Bug libc/13699] New: Hang in __lll_lock_wait_private after fork and realloc gf at unixsol dot org
` (2 preceding siblings ...)
2012-10-04 15:58 ` gf at unixsol dot org
@ 2014-06-26 15:22 ` fweimer at redhat dot com
2014-07-17 10:19 ` ionut.ceausu at gmail dot com
2014-07-17 10:21 ` ionut.ceausu at gmail dot com
5 siblings, 0 replies; 7+ messages in thread
From: fweimer at redhat dot com @ 2014-06-26 15:22 UTC (permalink / raw)
To: glibc-bugs
https://sourceware.org/bugzilla/show_bug.cgi?id=13699
Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Flags| |security-
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* [Bug libc/13699] Hang in __lll_lock_wait_private after fork and realloc.
2012-02-16 11:38 [Bug libc/13699] New: Hang in __lll_lock_wait_private after fork and realloc gf at unixsol dot org
` (3 preceding siblings ...)
2014-06-26 15:22 ` fweimer at redhat dot com
@ 2014-07-17 10:19 ` ionut.ceausu at gmail dot com
2014-07-17 10:21 ` ionut.ceausu at gmail dot com
5 siblings, 0 replies; 7+ messages in thread
From: ionut.ceausu at gmail dot com @ 2014-07-17 10:19 UTC (permalink / raw)
To: glibc-bugs
https://sourceware.org/bugzilla/show_bug.cgi?id=13699
Ionut Ceausu <ionut.ceausu at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |ionut.ceausu at gmail dot com
--- Comment #4 from Ionut Ceausu <ionut.ceausu at gmail dot com> ---
Created attachment 7714
--> https://sourceware.org/bugzilla/attachment.cgi?id=7714&action=edit
Source code to reproduce the problem
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* [Bug libc/13699] Hang in __lll_lock_wait_private after fork and realloc.
2012-02-16 11:38 [Bug libc/13699] New: Hang in __lll_lock_wait_private after fork and realloc gf at unixsol dot org
` (4 preceding siblings ...)
2014-07-17 10:19 ` ionut.ceausu at gmail dot com
@ 2014-07-17 10:21 ` ionut.ceausu at gmail dot com
5 siblings, 0 replies; 7+ messages in thread
From: ionut.ceausu at gmail dot com @ 2014-07-17 10:21 UTC (permalink / raw)
To: glibc-bugs
https://sourceware.org/bugzilla/show_bug.cgi?id=13699
Ionut Ceausu <ionut.ceausu at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|RESOLVED |REOPENED
Resolution|FIXED |---
--- Comment #5 from Ionut Ceausu <ionut.ceausu at gmail dot com> ---
Problem is still reproducible on GLIBC2.17/ubunt 13.04. Attached is the source
code to reproduce the problem.
Stack is the following one
__lll_lock_wait_private() at lowlevellock.S:95 0x7ffff73e3d7b
_L_lock_697() at 0x7ffff73d0af4
__GI___vsyslog_chk() at syslog.c:258 0x7ffff73d0524
__syslog() at syslog.c:117 0x7ffff73d099f
forkSyslogHang::forkSyslogHang() at forkSyslogHang.cpp:33 0x4036e1
threadPool::threadExecute() at threadPool.cpp:36 0x403ae0
start_thread() at pthread_create.c:311 0x7ffff7bc4f8e
clone() at clone.S:113 0x7ffff73d5a0d
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end of thread, other threads:[~2014-07-17 10:21 UTC | newest]
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-- links below jump to the message on this page --
2012-02-16 11:38 [Bug libc/13699] New: Hang in __lll_lock_wait_private after fork and realloc gf at unixsol dot org
2012-02-16 16:10 ` [Bug libc/13699] " law at redhat dot com
2012-10-03 18:29 ` siddhesh at redhat dot com
2012-10-04 15:58 ` gf at unixsol dot org
2014-06-26 15:22 ` fweimer at redhat dot com
2014-07-17 10:19 ` ionut.ceausu at gmail dot com
2014-07-17 10:21 ` ionut.ceausu at gmail dot com
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