1613124 - Crash in [@ mozilla::Internals::GetSharedPrefValue<T>]

Status: RESOLVED WORKSFORME

(Core :: Preferences: Backend, defect, P3)

Description

[Pascal Chevrel:pascalc (PTO until April 26)]

This bug is for crash report bp-b8537b17-50ed-4f7c-bb3b-5b5010200204.

Top 10 frames of crashing thread:

0 xul.dll static mozilla::Internals::GetSharedPrefValue<bool> modules/libpref/Preferences.cpp:4377
1 xul.dll mozilla::StaticPrefs::InitStaticPrefsFromShared obj-firefox/dist/include/mozilla/StaticPrefList_accessibility.h:3
2 xul.dll mozilla::ipc::SharedPreferenceDeserializer::DeserializeFromSharedMemory ipc/glue/ProcessUtils_common.cpp:179
3 xul.dll mozilla::gfx::GPUProcessImpl::Init gfx/ipc/GPUProcessImpl.cpp:71
4 xul.dll XRE_InitChildProcess toolkit/xre/nsEmbedFunctions.cpp:746
5 firefox.exe content_process_main ipc/contentproc/plugin-container.cpp:56
6 firefox.exe NS_internal_main browser/app/nsBrowserApp.cpp:303
7 firefox.exe wmain toolkit/xre/nsWindowsWMain.cpp:131
8 firefox.exe __scrt_common_main_seh f:/dd/vctools/crt/vcstartup/src/startup/exe_common.inl:288
9 kernel32.dll BaseThreadInitThunk 

About 1 crash per day on nightly over the last month but none on release and only 4 on beta for the same period.

Comment 1

[Lee Salzman [:lsalzman]]

Seems like pref_SharedLookup, is causing this from the trace, which was added in bug 1554559 by :jya, is crashing, most likely on access to gSharedMap being null...

Comment 2

[Chris Peterson [:cpeterson]]

This crash signature spiked recently with 93 reports from 1 installation of Nightly 91 (buildid 20210710094507).

Comment 3

[BugBot [:suhaib / :marco/ :calixte]]

Closing because no crashes reported for 12 weeks.