59 lines
2.3 KiB
Diff
59 lines
2.3 KiB
Diff
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From b01e30c79b1364ac35c0b2db2ef4a2ff64600a7f Mon Sep 17 00:00:00 2001
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From: tbordaz <tbordaz@redhat.com>
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Date: Tue, 23 Feb 2021 08:58:37 +0100
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Subject: [PATCH 1/2] Issue 4649 - crash in sync_repl when a MODRDN create a
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cenotaph (#4652)
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Bug description:
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When an operation is flagged OP_FLAG_NOOP, it skips BETXN plugins but calls POST plugins.
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For sync_repl, betxn (sync_update_persist_betxn_pre_op) creates an operation extension to be
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consumed by the post (sync_update_persist_op). In case of OP_FLAG_NOOP, there is no
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operation extension.
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Fix description:
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Test that the operation is OP_FLAG_NOOP if the operation extension is missing
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relates: https://github.com/389ds/389-ds-base/issues/4649
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Reviewed by: William Brown (thanks)
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Platforms tested: F31
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---
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ldap/servers/plugins/sync/sync_persist.c | 14 ++++-
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2 files changed, 75 insertions(+), 2 deletions(-)
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diff --git a/ldap/servers/plugins/sync/sync_persist.c b/ldap/servers/plugins/sync/sync_persist.c
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index e93a8fa83..12b23ebac 100644
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--- a/ldap/servers/plugins/sync/sync_persist.c
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+++ b/ldap/servers/plugins/sync/sync_persist.c
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@@ -206,7 +206,9 @@ sync_update_persist_op(Slapi_PBlock *pb, Slapi_Entry *e, Slapi_Entry *eprev, ber
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slapi_pblock_get(pb, SLAPI_TARGET_SDN, &sdn);
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if (NULL == e) {
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- /* Ignore this operation (for example case of failure of the operation) */
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+ /* Ignore this operation (for example case of failure of the operation
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+ * or operation resulting in an empty Mods))
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+ */
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ignore_op_pl(pb);
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return;
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}
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@@ -232,7 +234,15 @@ sync_update_persist_op(Slapi_PBlock *pb, Slapi_Entry *e, Slapi_Entry *eprev, ber
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prim_op = get_thread_primary_op();
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ident = sync_persist_get_operation_extension(pb);
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PR_ASSERT(prim_op);
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- PR_ASSERT(ident);
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+
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+ if ((ident == NULL) && operation_is_flag_set(pb_op, OP_FLAG_NOOP)) {
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+ /* This happens for URP (add cenotaph, fixup rename, tombstone resurrect)
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+ * As a NOOP betxn plugins are not called and operation ext is not created
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+ */
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+ slapi_log_err(SLAPI_LOG_PLUGIN, SYNC_PLUGIN_SUBSYSTEM, "Skip noop operation (0x%lx)\n",
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+ (ulong) pb_op);
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+ return;
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+ }
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/* First mark the operation as completed/failed
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* the param to be used once the operation will be pushed
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* on the listeners queue
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--
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2.26.2
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