Description of problem: This happens spontaneously, seemingly independent of what I'm doing. Version-Release number of selected component: gnome-shell-3.24.2-1.fc26 Additional info: reporter: libreport-2.9.1 backtrace_rating: 4 cmdline: gnome-shell --sm-client-id 10d175c40332d5439414830254395476700000013580000 crash_function: js::GCMethods<JSObject*>::needsPostBarrier executable: /usr/bin/gnome-shell journald_cursor: s=46de5a73db2543ff838724955950c7cf;i=1082f8;b=d968b195acce4a77a83537bd231ad684;m=6f1a244b2;t=554d32f2a8194;x=6f00a7ed05f949eb kernel: 4.11.10-300.fc26.x86_64 rootdir: / runlevel: N 5 type: CCpp uid: 1000 Truncated backtrace: Thread no. 1 (6 frames) #0 js::GCMethods<JSObject*>::needsPostBarrier at /usr/include/mozjs-38/js/RootingAPI.h:663 #1 JS::Heap<JSObject*>::set at /usr/include/mozjs-38/js/RootingAPI.h:296 #2 JS::Heap<JSObject*>::operator= at /usr/include/mozjs-38/js/RootingAPI.h:266 #3 GjsMaybeOwned<JSObject*>::reset at gjs/jsapi-util-root.h:267 #4 closure_clear_idle at gi/closure.cpp:133 #10 meta_run at core/main.c:648 Potential duplicate: bug 1456293
Created attachment 1302397 [details] File: backtrace
Created attachment 1302398 [details] File: cgroup
Created attachment 1302399 [details] File: core_backtrace
Created attachment 1302400 [details] File: cpuinfo
Created attachment 1302401 [details] File: dso_list
Created attachment 1302402 [details] File: environ
Created attachment 1302403 [details] File: exploitable
Created attachment 1302404 [details] File: limits
Created attachment 1302405 [details] File: maps
Created attachment 1302406 [details] File: open_fds
Created attachment 1302407 [details] File: proc_pid_status
Created attachment 1302408 [details] File: var_log_messages
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