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From: "howarth at nitro dot med.uc.edu" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug boehm-gc/52179] boehm-gc incompatible with aslr on darwin11
Date: Thu, 09 Feb 2012 00:35:00 -0000 [thread overview]
Message-ID: <bug-52179-4-4O7q9TaQNF@http.gcc.gnu.org/bugzilla/> (raw)
In-Reply-To: <bug-52179-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52179
--- Comment #2 from Jack Howarth <howarth at nitro dot med.uc.edu> 2012-02-09 00:34:19 UTC ---
Rebuilding x86_64-apple-darwin11.3.0/boehm-gc with -g -O0 -DDARWIN_DEBUG and
the failing gctest at -m64 with the same allows the following backtrace to be
obtained with aslr active under Lion...
# gdb ./gctest
GNU gdb 6.3.50-20050815 (Apple version gdb-1708) (Thu Nov 3 21:59:02 UTC 2011)
Copyright 2004 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and you are
welcome to change it and/or distribute copies of it under certain conditions.
Type "show copying" to see the conditions.
There is absolutely no warranty for GDB. Type "show warranty" for details.
This GDB was configured as "x86_64-apple-darwin"...Reading symbols for shared
libraries .... done
(gdb) set disable-aslr off
(gdb) r
Starting program:
/sw/src/fink.build/gcc47-4.7.0-1/darwin_objdir/x86_64-apple-darwin11.3.0/boehm-gc/testsuite/.libs/gctest
Reading symbols for shared libraries + done
Reading symbols for shared libraries ++++........................ done
Program received signal EXC_BAD_ACCESS, Could not access memory.
Reason: KERN_INVALID_ADDRESS at address: 0x00007fff690f63d8
GC_mark_from (mark_stack_top=0x10953f000, mark_stack=0x10953f000,
mark_stack_limit=0x10954f000) at ../../../gcc-4.7-20120207/boehm-gc/mark.c:759
759 deferred = *limit;
(gdb) bt
#0 GC_mark_from (mark_stack_top=0x10953f000, mark_stack=0x10953f000,
mark_stack_limit=0x10954f000) at ../../../gcc-4.7-20120207/boehm-gc/mark.c:759
#1 0x0000000109498947 in GC_mark_some (cold_gc_frame=0x7fff6907164c "\001") at
../../../gcc-4.7-20120207/boehm-gc/mark.c:361
#2 0x00000001094906ae in GC_stopped_mark (stop_func=0x10948fb88
<GC_never_stop_func>) at ../../../gcc-4.7-20120207/boehm-gc/alloc.c:531
#3 0x000000010949026a in GC_try_to_collect_inner (stop_func=0x10948fb88
<GC_never_stop_func>) at ../../../gcc-4.7-20120207/boehm-gc/alloc.c:378
#4 0x000000010949c222 in GC_init_inner () at
../../../gcc-4.7-20120207/boehm-gc/misc.c:789
#5 0x000000010949bdbd in GC_init () at
../../../gcc-4.7-20120207/boehm-gc/misc.c:493
#6 0x00000001094758ec in main () at
/sw/src/fink.build/gcc47-4.7.0-1/gcc-4.7-20120207/boehm-gc/testsuite/boehm-gc.c/gctest.c:1803
(gdb)
next prev parent reply other threads:[~2012-02-09 0:35 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-02-08 23:47 [Bug boehm-gc/52179] New: " howarth at nitro dot med.uc.edu
2012-02-08 23:55 ` [Bug boehm-gc/52179] " howarth at nitro dot med.uc.edu
2012-02-09 0:35 ` howarth at nitro dot med.uc.edu [this message]
2012-02-09 0:40 ` howarth at nitro dot med.uc.edu
2012-02-09 0:47 ` howarth at nitro dot med.uc.edu
2012-02-09 0:57 ` howarth at nitro dot med.uc.edu
2012-02-09 15:06 ` howarth at nitro dot med.uc.edu
2012-02-11 1:11 ` howarth at nitro dot med.uc.edu
2012-02-22 22:32 ` patrick.marlier at gmail dot com
2012-02-23 4:34 ` howarth at nitro dot med.uc.edu
2012-02-23 4:40 ` mikestump at comcast dot net
2012-02-23 8:19 ` mikestump at comcast dot net
2012-02-23 15:17 ` howarth at nitro dot med.uc.edu
2012-02-23 15:18 ` iains at gcc dot gnu.org
2012-02-23 15:42 ` patrick.marlier at gmail dot com
2012-02-23 15:50 ` patrick.marlier at gmail dot com
2012-02-23 15:53 ` howarth at nitro dot med.uc.edu
2012-02-23 18:31 ` howarth at nitro dot med.uc.edu
2012-02-23 18:38 ` howarth at nitro dot med.uc.edu
2012-02-23 18:44 ` howarth at nitro dot med.uc.edu
2012-02-23 18:51 ` mikestump at comcast dot net
2012-02-23 18:53 ` howarth at nitro dot med.uc.edu
2012-02-23 18:57 ` patrick.marlier at gmail dot com
2012-02-23 18:58 ` mikestump at comcast dot net
2012-02-23 21:02 ` howarth at nitro dot med.uc.edu
2012-02-23 21:57 ` mikestump at comcast dot net
2012-02-23 22:05 ` howarth at nitro dot med.uc.edu
2012-02-24 15:52 ` pmarlier at gcc dot gnu.org
2012-02-29 6:04 ` howarth at nitro dot med.uc.edu
2012-03-02 18:23 ` mrs at gcc dot gnu.org
2012-03-02 18:35 ` mrs at gcc dot gnu.org
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