1664614 - Crash in [@ mozilla::Preferences::InitializeUserPrefs]

Status: NEW

(Core :: Preferences: Backend, defect)

Description

[Sebastian Hengst [:aryx] (needinfo me if it's about an intermittent or backout)]

This is a Windows startup crash. The signature is older but the crashes got more frequent recently, first reported build ID is 20200827212940.

Crash report: https://crash-stats.mozilla.org/report/index/fe0cba6a-8856-4e98-9a39-080a00200901

Top 10 frames of crashing thread:

0 xul.dll static mozilla::Preferences::InitializeUserPrefs modules/libpref/Preferences.cpp:3596
1 xul.dll nsXREDirProvider::InitializeUserPrefs toolkit/xre/nsXREDirProvider.cpp:894
2 xul.dll XREMain::XRE_mainRun toolkit/xre/nsAppRunner.cpp:4512
3 xul.dll XREMain::XRE_main toolkit/xre/nsAppRunner.cpp:4941
4 xul.dll XRE_main toolkit/xre/nsAppRunner.cpp:4995
5 firefox.exe NS_internal_main browser/app/nsBrowserApp.cpp:331
6 firefox.exe wmain toolkit/xre/nsWindowsWMain.cpp:131
7 firefox.exe __scrt_common_main_seh /builds/worker/workspace/obj-build/browser/app/f:/dd/vctools/crt/vcstartup/src/startup/exe_common.inl:288
8 kernel32.dll BaseThreadInitThunk 
9 ntdll.dll RtlUserThreadStart 

Comment 1

[Julien Cristau [:jcristau]]

Is this the same as bug 1653908?

Comment 2

[Kris Wright :KrisWright]

(In reply to Julien Cristau [:jcristau] from comment #1)

Is this the same as bug 1653908?

This is most likely the new crash signature for bug 1653908. I've been expecting the crash signature to change.

Comment 3

[Daniel Holbert [:dholbert]]

I found one way of triggering this crash in bug 1826234, and I've got a patch that just landed there on Nightly.