commit d7f98ce46b9cc43bb4ec8482938cb04f6ca99e21 Author: Kathy Brade <brade@pearlcrescent.com> Date: Thu Jun 2 15:45:36 2016 -0400 Bug 19212: SIGSEGV with developer tools open Avoid a crash when monitoring network events. The crash occurred because the JS context's compartment was NULL when a JS stack was requested, but the root cause remains a mystery. --- js/src/jsapi.cpp | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/js/src/jsapi.cpp b/js/src/jsapi.cpp index adbee56..46418ba 100644 --- a/js/src/jsapi.cpp +++ b/js/src/jsapi.cpp @@ -6223,7 +6223,9 @@ JS_PUBLIC_API(bool) JS::CaptureCurrentStack(JSContext* cx, JS::MutableHandleObject stackp, unsigned maxFrameCount) { JSCompartment* compartment = cx->compartment(); - MOZ_ASSERT(compartment); + if (!compartment) + return false; + Rooted<SavedFrame*> frame(cx); if (!compartment->savedStacks().saveCurrentStack(cx, &frame, maxFrameCount)) return false;