1673182 - Crash in [@ mapped_hyph::ffi::mapped_hyph_is_valid_hyphenator]

Status: RESOLVED DUPLICATE of bug 1672388

(Core :: Layout: Text and Fonts, defect)

Description

[Sean Feng [:sefeng]]

Crash report: https://crash-stats.mozilla.org/report/index/143aae9c-e995-4e49-8c59-613ef0201016

Reason: EXCEPTION_ACCESS_VIOLATION_READ

Top 10 frames of crashing thread:

0 xul.dll mapped_hyph::ffi::mapped_hyph_is_valid_hyphenator third_party/rust/mapped_hyph/src/ffi.rs:169
1 xul.dll nsHyphenator::nsHyphenator intl/hyphenation/glue/nsHyphenator.cpp:260
2 xul.dll nsHyphenationManager::GetHyphenator intl/hyphenation/glue/nsHyphenationManager.cpp:149
3 xul.dll nsHyphenationManager::ShareHyphDictToProcess intl/hyphenation/glue/nsHyphenationManager.cpp:349
4 xul.dll mozilla::dom::ContentParent::RecvGetHyphDict dom/ipc/ContentParent.cpp:5449
5 xul.dll mozilla::dom::PContentParent::OnMessageReceived ipc/ipdl/PContentParent.cpp:15631
6 xul.dll mozilla::ipc::MessageChannel::DispatchMessage ipc/glue/MessageChannel.cpp:2070
7 xul.dll mozilla::ipc::MessageChannel::MessageTask::Run ipc/glue/MessageChannel.cpp:1953
8 xul.dll mozilla::TaskController::DoExecuteNextTaskOnlyMainThreadInternal xpcom/threads/TaskController.cpp:515
9 xul.dll mozilla::detail::RunnableFunction<`lambda at /builds/worker/checkouts/gecko/xpcom/threads/TaskController.cpp:85:7'>::Run xpcom/threads/nsThreadUtils.h:577

This is a new signature that is introduced recently. All crashes occur on Windows 10. Although the crashes happened in a third-party library, I still filed it because of multiple crashes from various installations with a similar call stack.

Comment 1

[Sean Feng [:sefeng]]

Looks like it's a duplicate of bug 1672388. However, I don't have access to that one so I can't mark this one as a duplicate of it.

I'll leave it open for now....