1996157 - Crash in [@ mozilla::RDDProcessManager::CreateContentBridge]

Status: RESOLVED DUPLICATE of bug 1649857

(Core :: Audio/Video: Playback, defect)

Description

[BugBot [:suhaib / :marco]]

Crash report: https://crash-stats.mozilla.org/report/index/6d7a1f5b-e296-415d-b551-5a0040251017

Reason: SIGSEGV / SEGV_MAPERR

Top 10 frames of crashing thread:

0  libxul.so  mozilla::RDDProcessManager::CreateContentBridge  dom/media/ipc/RDDProcessManager.cpp:293
1  libxul.so  mozilla::RDDProcessManager::EnsureRDDProcessAndCreateBridge const  dom/media/ipc/RDDProcessManager.cpp:208
1  libxul.so  mozilla::MozPromise<bool, nsresult, false>::InvokeMethod<mozilla::RDDProcessManager::EnsureRDDProcessAndCreateBridge  xpcom/threads/MozPromise.h:671
1  libxul.so  mozilla::MozPromise<bool, nsresult, false>::InvokeCallbackMethod<true, mozilla::MozPromise<mozilla::ipc::Endpoint<mozilla::PRemoteMediaManagerChild>, nsresult, true>, mozilla::RDDProcessManager::EnsureRDDProcessAndCreateBridge  xpcom/threads/MozPromise.h:681
1  libxul.so  mozilla::MozPromise<bool, nsresult, false>::ThenValue<mozilla::RDDProcessManager::EnsureRDDProcessAndCreateBridge  xpcom/threads/MozPromise.h:874
2  libxul.so  mozilla::MozPromise<bool, nsresult, false>::ThenValueBase::DoResolveOrReject  xpcom/threads/MozPromise.h:638
2  libxul.so  mozilla::MozPromise<bool, nsresult, false>::ThenValueBase::ResolveOrRejectRunnable::Run  xpcom/threads/MozPromise.h:505
3  libxul.so  mozilla::RunnableTask::Run  xpcom/threads/TaskController.cpp:705
3  libxul.so  mozilla::TaskController::RunTask  xpcom/threads/TaskController.cpp:196
3  libxul.so  mozilla::TaskController::DoExecuteNextTaskOnlyMainThreadInternal  xpcom/threads/TaskController.cpp:1325

By querying Nightly crashes reported within the last 2 months, here are some insights about the signature:

• First crash report: 2025-08-19
• Process type: Parent
• Is startup crash: No
• Has user comments: No
• Is null crash: Yes - all crashes happened on null or near null memory address

Comment 1

[BugBot [:suhaib / :marco]]

The Bugbug bot thinks this bug should belong to the 'Core::Audio/Video: Playback' component, and is moving the bug to that component. Please correct in case you think the bot is wrong.

Comment 2

[az [:az]]

This looks like something :aosmond would be the expert on. Any ideas?

Comment 3

[Andrew Osmond [:aosmond] (he/him)]

Let's finally land bug 1649857, I think it will fix it. I'm not sure why I did not already.