gnome-shell crashed with SIGSEGV in std::__atomic_base<unsigned long>::load() from mozilla::detail::IntrinsicMemoryOps<unsigned long, (mozilla::MemoryOrdering)0>::load() from mozilla::detail::AtomicBaseIncDec<unsigned long, (mozilla::MemoryOrdering)0>::operator unsigned long (this=0x0)

[errors.ubuntu.com bug bridge]

The Ubuntu Error Tracker has been receiving reports about a problem regarding gnome-shell. This problem was most recently seen with package version 43.0-1ubuntu2, the problem page at https://errors.ubuntu.com/problem/d31a74444f723bab2a42586060136dc27f56bc71 contains more details, including versions of packages affected, stacktrace or traceback, and individual crash reports.
If you do not have access to the Ubuntu Error Tracker and are a software developer, you can request it at http://forms.canonical.com/reports/.

[Daniel van Vugt (vanvugt)]

The locality to gjs makes me suspect gjs is to blame:

#5 JSObject::nonCCWRealm (this=0x0) at .././js/src/vm/JSObject.h:413
No locals.
#6 JSContext::enterRealmOf (target=0x0, this=0x561efe351c00) at .././js/src/vm/JSContext-inl.h:318
No locals.
#7 JSAutoRealm::JSAutoRealm (this=<optimized out>, cx=<optimized out>, target=<optimized out>, this=<optimized out>, cx=<optimized out>, target=<optimized out>) at .././js/src/jsapi.cpp:519
No locals.
#8 0x00007f9b4910db2a in gjs_object_set_gproperty (object=<optimized out>, property_id=<optimized out>, value=0x7ffc738467d0, pspec=0x561efe19be10) at ../gi/gobject.cpp:209
        priv = <optimized out>
        cx = 0x561efe351c00
        js_obj = {<js::TypedRootedGCThingBase<js::StackRootedBase, JSObject*>> = {<js::StackRootedBase> = {stack = 0x561efe351c18, prev = 0x0}, <No data fields>}, <js::RootedOperations<JSObject*, JS::Rooted<JSObject*> >> = {<js::MutableWrappedPtrOperations<JSObject*, JS::Rooted<JSObject*> >> = {<js::WrappedPtrOperations<JSObject*, JS::Rooted<JSObject*>, void>> = {<No data fields>}, <No data fields>}, <No data fields>}, ptr = 0x0}
        ar = {cx_ = 0x561efe351c00, oldRealm_ = 0x0}
#9 0x00007f9b4a1ee15c in object_set_property (object=object@entry=0x561eff7ffbf0, pspec=0x561efe19be10, value=value@entry=0x7ffc738467d0, nqueue=nqueue@entry=0x7f9ad4003c20) at ../../../gobject/gobject.c:1792

[Daniel van Vugt (vanvugt)]

This is currently the top gnome-shell crasher in kinetic.