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chore: cherry-pick da11d71a0227 from chromium (#32181)
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* chore: cherry-pick da11d71a0227 from chromium

* chore: update patches

Co-authored-by: PatchUp <73610968+patchup[bot]@users.noreply.github.com>
Co-authored-by: Electron Bot <electron@github.com>
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3 people committed Jan 11, 2022
1 parent 053fea1 commit aab276c
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1 change: 1 addition & 0 deletions patches/chromium/.patches
Expand Up @@ -121,6 +121,7 @@ cherry-pick-1a8af2da50e4.patch
cherry-pick-a5f54612590d.patch
cachestorage_store_partial_opaque_responses.patch
fix_aspect_ratio_with_max_size.patch
cherry-pick-da11d71a0227.patch
cherry-pick-dbde8795233a.patch
cherry-pick-6bb320d134b1.patch
cherry-pick-109fde1088be.patch
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62 changes: 62 additions & 0 deletions patches/chromium/cherry-pick-da11d71a0227.patch
@@ -0,0 +1,62 @@
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Ken Rockot <rockot@google.com>
Date: Fri, 10 Dec 2021 01:03:53 +0000
Subject: mojo/ipc: Drop messages targeting invalid task runner

If the endpoint's task runner does not match the current task runner (or
an equivalent main-thread task runner for the ChannelProxy) when a
executing a message dispatch task for that endpoint, this ignores the
message instead of dispatching it on the wrong sequence.

(cherry picked from commit 0747c9405e1098c0bbbc5593183696eafb45b72c)

Fixed: 1263457
Change-Id: I4f6ba22de3ff8cf3994b748e1ffd0f0aabb17b70
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3318601
Reviewed-by: Daniel Cheng <dcheng@chromium.org>
Commit-Queue: Ken Rockot <rockot@google.com>
Cr-Original-Commit-Position: refs/heads/main@{#949140}
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3328403
Auto-Submit: Ken Rockot <rockot@google.com>
Commit-Queue: Daniel Cheng <dcheng@chromium.org>
Cr-Commit-Position: refs/branch-heads/4664@{#1269}
Cr-Branched-From: 24dc4ee75e01a29d390d43c9c264372a169273a7-refs/heads/main@{#929512}

diff --git a/ipc/ipc_mojo_bootstrap.cc b/ipc/ipc_mojo_bootstrap.cc
index 18b4dc9be5bf54e6f5443d53739bc06ba3f98767..07e522337090494e278395ac4e7ead73c472ef72 100644
--- a/ipc/ipc_mojo_bootstrap.cc
+++ b/ipc/ipc_mojo_bootstrap.cc
@@ -966,11 +966,14 @@ class ChannelAssociatedGroupController
if (!client)
return;

+ if (!endpoint->task_runner()->RunsTasksInCurrentSequence() &&
+ !proxy_task_runner_->RunsTasksInCurrentSequence()) {
+ return;
+ }
+
// Using client->interface_name() is safe here because this is a static
// string defined for each mojo interface.
TRACE_EVENT0("mojom", client->interface_name());
- DCHECK(endpoint->task_runner()->RunsTasksInCurrentSequence() ||
- proxy_task_runner_->RunsTasksInCurrentSequence());

// Sync messages should never make their way to this method.
DCHECK(!message.has_flag(mojo::Message::kFlagIsSync));
@@ -1000,11 +1003,14 @@ class ChannelAssociatedGroupController
if (!client)
return;

+ if (!endpoint->task_runner()->RunsTasksInCurrentSequence() &&
+ !proxy_task_runner_->RunsTasksInCurrentSequence()) {
+ return;
+ }
+
// Using client->interface_name() is safe here because this is a static
// string defined for each mojo interface.
TRACE_EVENT0("mojom", client->interface_name());
- DCHECK(endpoint->task_runner()->RunsTasksInCurrentSequence() ||
- proxy_task_runner_->RunsTasksInCurrentSequence());
MessageWrapper message_wrapper = endpoint->PopSyncMessage(message_id);

// The message must have already been dequeued by the endpoint waking up

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