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Re: (ITS#8472) slapd killed after ldapadd

On Fri, Jul 14, 2017 at 09:02:18AM +0000, russell@samknows.com wrote:
> 59687dbf ch_calloc of 1 elems of 0 bytes failed
> slapd: ../../../../servers/slapd/ch_malloc.c:107: ch_calloc: Assertion
> `0' failed.
> Aborted

If no indexes remain, mdb_attr_dbs_open calls ch_calloc(1, 0), but
ch_malloc/ch_calloc do not expect that.

I'd fix ch_calloc/ch_malloc, but depends whether that's the right thing
to do, is it intentional to assert when a zero size is requested?
ber_memalloc has an assert there if LDAP_MEMORY_DEBUG has the second bit
set. Hallvard, Howard?

If it's fine to change the ch_ functions, then a patch is available at

OndÅ?ej Kuzník
Senior Software Engineer
Symas Corporation                       http://www.symas.com
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