René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"LDAPObject.search_ext: Memory errors when providing dictionary ","articleBody":"Issue description:\r\n\r\nWhen using [LDAPObject.search_ext](https://www.python-ldap.org/en/python-ldap-3.4.3/reference/ldap.html#ldap.LDAPObject.search_ext)  and passing iterables via the `attrlist` argument the call can fail with a segmentation fault or other types of memory errors.\r\n\r\nSteps to reproduce: \r\n\r\nWith a locally running slapd:\r\n\r\n```python\r\nimport ldap\r\nl = ldap.initialize(\"ldap://localhost\")\r\nl.simple_bind_s(\"cn=admin,dc=nodomain\",\"admin\")\r\nl.search_s(\"o=My Organisation, c=AU\", ldap.SCOPE_SUBTREE, \"objectclass=*\", attrlist={\"1\":2})\r\n```\r\nThis may result in \r\n\r\n```\r\nSegmentation fault (core dumped)\r\n```\r\n\r\nor\r\n\r\n```\r\nfree(): invalid pointer\r\nAborted (core dumped)\r\n```\r\nor another memory related program abortion. \r\n\r\nOperating system:\r\n\r\n```\r\nDistributor ID:\tUbuntu\r\nDescription:\tUbuntu 23.04\r\nRelease:\t23.04\r\nCodename:\tlunar\r\n\r\nbookworm/sid\r\n```\r\n\r\nPython version:\r\n\r\nTested with 3.7, 3.10, 3.11\r\n\r\npython-ldap version: \r\n\r\n3.4.4 and latest (ac5d051)\r\n\r\nSee https://github.com/python-ldap/python-ldap/pull/555\r\n","author":{"url":"https://github.com/jkoeniger","@type":"Person","name":"jkoeniger"},"datePublished":"2024-01-07T10:03:18.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":0},"url":"https://github.com/556/python-ldap/issues/556"}