[Bug other/26633] [4.1/4.2 Regression] Minimal c++ program using threads and exceptions crashes when compiled statically

["ahu at ds9a dot nl" <gcc-bugzilla at gcc dot gnu dot org>]

------- Comment #3 from ahu at ds9a dot nl  2006-03-10 17:54 -------
Subject: Re:  [4.1/4.2 Regression] Minimal c++ program using threads and
exceptions crashes when compiled statically

Sure this is (exactly) related? I tried to pull in some of the symbols that
might be missing to no avail.

Interestingly, the problem does not appear on my x86-64!

Also:
Starting program: /home/ahu/programming-new/exploit/minimal
[Thread debugging using libthread_db enabled]
[New Thread 16384 (LWP 11300)]
[New Thread 32769 (LWP 11301)]
[New Thread 16386 (LWP 11302)]
[Switching to Thread 16386 (LWP 11302)]

Breakpoint 1, __cxa_allocate_exception (thrown_size=8)
    at ../../../../gcc-4.1.0/libstdc++-v3/libsupc++/eh_alloc.cc:115
115       thrown_size += sizeof (__cxa_exception);
(gdb) step
116       ret = malloc (thrown_size);
(gdb) print thrown_size
$1 = 88
(gdb) step
118       if (! ret)
(gdb) print ret
$2 = (void *) 0x8115a60
(gdb) step
116       ret = malloc (thrown_size);
(gdb) step
118       if (! ret)
(gdb)
154       __cxa_eh_globals *globals = __cxa_get_globals ();
(gdb)
__cxa_get_globals () at
../../../../gcc-4.1.0/libstdc++-v3/libsupc++/eh_globals.cc:71
71      { return __gnu_internal::get_global(); }
(gdb)
__gnu_internal::get_global () at
../../../../gcc-4.1.0/libstdc++-v3/libsupc++/eh_globals.cc:58
58        get_global() throw()
(gdb)

Program received signal SIGSEGV, Segmentation fault.
__gnu_internal::get_global () at
../../../../gcc-4.1.0/libstdc++-v3/libsupc++/eh_globals.cc:58
58        get_global() throw()


On Fri, Mar 10, 2006 at 04:55:41PM -0000, pinskia at gcc dot gnu dot org wrote:
> 
> 
> ------- Comment #2 from pinskia at gcc dot gnu dot org  2006-03-10 16:55 -------
> Some information about this bug in both the libstdc++ library and the
> libgfortran library on the mainline:
> http://gcc.gnu.org/ml/gcc/2006-03/msg00248.html
> 
> 
> -- 
> 
> 
> http://gcc.gnu.org/bugzilla/show_bug.cgi?id=26633
> 
> ------- You are receiving this mail because: -------
> You reported the bug, or are watching the reporter.
> 
> 
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-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=26633