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path: root/libchrome_tools/patches/0001-Fix-pending_broker_clients-handling.patch
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From 6a4ab3d6429ec13e8c875ebc611683bb26453770 Mon Sep 17 00:00:00 2001
From: Lepton Wu <lepton@chromium.org>
Date: Tue, 15 Sep 2020 16:58:14 +0000
Subject: [PATCH] Fix pending_broker_clients handling

We always remove invitee from pending_invitations_ before adding it to
pending_broker_clients, so the old code actually is buggy and invitees
in pending_broker_clients_ will never be added as a broker client. Fix
it by checking peers_ instead of pending_invitations_.

BUG=b:146518063,b:150661600,b:168250032,chromium:1121709
TEST=manual - Keep running arc.Boot.vm with updated mojo code.

Change-Id: Ib0353944e7d5b9edc04947f8bd2db1442a4ed78d
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2411560
Commit-Queue: Ken Rockot <rockot@google.com>
Reviewed-by: Ken Rockot <rockot@google.com>
Auto-Submit: Lepton Wu <lepton@chromium.org>
Cr-Commit-Position: refs/heads/master@{#807076}
---
 mojo/core/node_controller.cc | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/mojo/core/node_controller.cc b/mojo/core/node_controller.cc
index 298079f4e234..029bd350b08b 100644
--- a/mojo/core/node_controller.cc
+++ b/mojo/core/node_controller.cc
@@ -993,11 +993,8 @@ void NodeController::OnAcceptBrokerClient(const ports::NodeName& from_node,
   // Feed the broker any pending invitees of our own.
   while (!pending_broker_clients.empty()) {
     const ports::NodeName& invitee_name = pending_broker_clients.front();
-    auto it = pending_invitations_.find(invitee_name);
-    // If for any reason we don't have a pending invitation for the invitee,
-    // there's nothing left to do: we've already swapped the relevant state into
-    // the stack.
-    if (it != pending_invitations_.end()) {
+    auto it = peers_.find(invitee_name);
+    if (it != peers_.end()) {
       broker->AddBrokerClient(invitee_name,
                               it->second->CloneRemoteProcessHandle());
     }
-- 
2.28.0.618.gf4bc123cb7-goog