https://bugs.openldap.org/show_bug.cgi?id=10135
Issue ID: 10135
Summary: dynlist (and maybe others) doesn't use the right
overinst context in callbacks
Product: OpenLDAP
Version: unspecified
Hardware: All
OS: All
Status: UNCONFIRMED
Keywords: needs_review
Severity: normal
Priority: ---
Component: overlays
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ---
Running the test suite with `-fsanitize=address` picks up a bug in
https://git.openldap.org/openldap/openldap/-/blob/860b61f41dfeeb19cc0eb011f290561c68a13de3/servers/slapd/overlays/dynlist.c#L1681
Here, op->o_bd->bd_info isn't actually dynlist but mdb's own static bi, so
overlay_entry_get_ov then reaches into the void when reading on->on_info.
It's very likely that other places/overlays share the same bug as it is subtle
and doesn't get picked up immediately (slap_overinst embeds a BackendInfo and
oi_orig is not often set).
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