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From: "hjl.tools at gmail dot com" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug sanitizer/59410] tsan tests fail with address randomization disabled
Date: Fri, 06 Dec 2013 17:26:00 -0000	[thread overview]
Message-ID: <bug-59410-4-1OZ4zauAn4@http.gcc.gnu.org/bugzilla/> (raw)
In-Reply-To: <bug-59410-4@http.gcc.gnu.org/bugzilla/>

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59410

--- Comment #19 from H.J. Lu <hjl.tools at gmail dot com> ---
(In reply to H.J. Lu from comment #18)
> (In reply to Kostya Serebryany from comment #16)
> > > Kernel is free to load PIE at ANY address it wants.  But
> > > you can specify where to load PIE via a linker switch
> > > 
> > > -Ttext-segment 0x855555000000
> > > 
> > > to tell kernel to load PIE to a specific address.
> > 
> > Hm. Interesting. What do I do wrong? 
> > % clang++ simple_race.cc -fsanitize=thread -Wl,-Ttext-segment=0x7d0000000000
> > ;  (setarch x86_64 -R ./a.out )
> > FATAL: ThreadSanitizer can not mmap the shadow memory (something is mapped
> > at 0x555555554000 < 0x7cf000000000)
> > FATAL: Make sure to compile with -fPIE and to link with -pie.
> 
> Please show the output of
> 
> # readelf -lW a.out

Your address must be sensible.  Otherwise kernel will ignore it.
Please try "-Ttext-segment 0x855555000000".


  parent reply	other threads:[~2013-12-06 17:26 UTC|newest]

Thread overview: 38+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-12-06 16:28 [Bug sanitizer/59410] New: Some tsan tests fail with 4GB RAM hjl.tools at gmail dot com
2013-12-06 16:31 ` [Bug sanitizer/59410] " jakub at gcc dot gnu.org
2013-12-06 16:31 ` dvyukov at google dot com
2013-12-06 16:32 ` kcc at gcc dot gnu.org
2013-12-06 16:34 ` kcc at gcc dot gnu.org
2013-12-06 16:37 ` jakub at gcc dot gnu.org
2013-12-06 16:41 ` hjl.tools at gmail dot com
2013-12-06 16:42 ` hjl.tools at gmail dot com
2013-12-06 16:44 ` kcc at gcc dot gnu.org
2013-12-06 16:46 ` kcc at gcc dot gnu.org
2013-12-06 16:51 ` hjl.tools at gmail dot com
2013-12-06 16:56 ` hjl.tools at gmail dot com
2013-12-06 16:56 ` kcc at gcc dot gnu.org
2013-12-06 17:04 ` hjl.tools at gmail dot com
2013-12-06 17:05 ` jakub at gcc dot gnu.org
2013-12-06 17:11 ` kcc at gcc dot gnu.org
2013-12-06 17:15 ` kcc at gcc dot gnu.org
2013-12-06 17:23 ` hjl.tools at gmail dot com
2013-12-06 17:24 ` [Bug sanitizer/59410] tsan tests fail with address randomization disabled hjl.tools at gmail dot com
2013-12-06 17:26 ` hjl.tools at gmail dot com [this message]
2013-12-06 18:03 ` hjl.tools at gmail dot com
2013-12-06 18:08 ` kcc at gcc dot gnu.org
2013-12-06 18:16 ` hjl.tools at gmail dot com
2013-12-06 18:18 ` hjl.tools at gmail dot com
2013-12-07  8:02 ` kcc at gcc dot gnu.org
2013-12-07 11:26 ` hjl.tools at gmail dot com
2013-12-09  6:38 ` y.gribov at samsung dot com
2013-12-09  7:19 ` jakub at gcc dot gnu.org
2013-12-09  7:44 ` kcc at gcc dot gnu.org
2013-12-09 12:42 ` hjl.tools at gmail dot com
2014-01-31 12:27 ` y.gribov at samsung dot com
2014-01-31 21:26 ` jakub at gcc dot gnu.org
2014-12-12 16:17 ` dvyukov at google dot com
2014-12-12 16:46 ` hjl.tools at gmail dot com
2014-12-12 19:37 ` kcc at gcc dot gnu.org
2014-12-12 20:13 ` hjl.tools at gmail dot com
2014-12-23  4:43 ` dvyukov at google dot com
2014-12-23  4:45 ` dvyukov at google dot com

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