I would have expected the problem to show up more frequently, if I just need to use a filter that will result in attributes being cached.
well, the issue you seem to see is quite clear; probably it doesn't show up that frequently because by chance there happens to be a NULL somewhere along the path before a SIGSEGV is triggered. Running slapd under valgrind or similar memory debuggers would probably track it much quicker. And there might be more; only, this is for sure a bug.
p.
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