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bug#9273: 23.3; malloc initialization should (sometimes) happen at runti


From: Eli Zaretskii
Subject: bug#9273: 23.3; malloc initialization should (sometimes) happen at runtime
Date: Sat, 13 Aug 2011 11:05:20 +0300

> Date: Fri, 12 Aug 2011 16:24:20 -0400
> From: Ken Brown <kbrown@cornell.edu>
> CC: "9273@debbugs.gnu.org" <9273@debbugs.gnu.org>
> 
> Program received signal SIGSEGV, Segmentation fault.
> 0x006368f5 in _realloc_internal_nolock (ptr=0x897040, size=28)
>     at gmalloc.c:1394
> 1394      type = _heapinfo[block].busy.type;
> (gdb) p block
> $1 = 4294838425

I'm confused: since you patched unexecw.c to set __malloc_initialized
to zero, the dumped Emacs should have called malloc_initialize_1,
which should have allocated a new copy of _heapinfo, that was supposed
to be consistent with the current heap.  Why isn't that working? why
`block' still gets a value that is relative to the "old" _heapinfo?





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