1540972 - Crash in [@ PLDHashTable::Search | mozilla::dom::(anonymous namespace)::Datastore::ConnectionClosedCallback]

Status: RESOLVED FIXED

(Core :: Storage: localStorage & sessionStorage, defect, P1)

Description

[Jan Varga [:janv]]

This bug is for crash report bp-1b6fd726-3633-4b41-86a3-2ee9d0190331.

Top 9 frames of crashing thread:

0 XUL PLDHashTable::Search const xpcom/ds/PLDHashTable.cpp:506
1 XUL mozilla::dom:: xpcom/ds/nsTHashtable.h:135
2 XUL mozilla::detail::RunnableMethodImpl<mozilla::dom:: xpcom/threads/nsThreadUtils.h:1122
3 XUL mozilla::dom:: dom/localstorage/ActorsParent.cpp:4289
4 XUL mozilla::dom:: dom/localstorage/ActorsParent.cpp:3884
5 libmozglue.dylib mozilla::detail::MutexImpl::unlock mozglue/misc/Mutex_posix.cpp:185
6 XUL mozilla::ThreadEventQueue<mozilla::EventQueue>::GetEvent xpcom/threads/Mutex.h:76
7 XUL nsThread::ProcessNextEvent xpcom/threads/nsThread.cpp:1179
8 libmozglue.dylib arena_t::DallocSmall memory/build/mozjemalloc.cpp:3232

Comment 1

[Jan Varga [:janv]]

This looks like we have a double datastore close. Assertions should prevent that from happening, but only in debug builds.
However, we recently converted them to diagnostic assertions, so it should help with finding the double close.