[Webkit-unassigned] [Bug 247727] New: [UNIX] Web process crash in websites using service workers while doing garbage collection

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=247727

            Bug ID: 247727
           Summary: [UNIX] Web process crash in websites using service
                    workers while doing garbage collection
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Keywords: Gtk
          Severity: Normal
          Priority: P2
         Component: JavaScriptCore
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: cgarcia at igalia.com
                CC: keith_miller at apple.com, ysuzuki at apple.com

#0  0x00007f3cd2dd150e in WTFCrash () from /home/cgarcia/gnome/lib/libjavascriptcoregtk-4.1.so.0
#1  0x00007f3cd2372f6d in JSC::BlockDirectory::updatePercentageOfPagedOutPages(WTF::SimpleStats&) () from /home/cgarcia/gnome/lib/libjavascriptcoregtk-4.1.so.0
#2  0x00007f3cd23bc71b in JSC::MarkedSpace::isPagedOut() () from /home/cgarcia/gnome/lib/libjavascriptcoregtk-4.1.so.0
#3  0x00007f3cd2375af8 in JSC::FullGCActivityCallback::doCollection(JSC::VM&) () from /home/cgarcia/gnome/lib/libjavascriptcoregtk-4.1.so.0
#4  0x00007f3cd295046b in JSC::JSRunLoopTimer::timerDidFire() () from /home/cgarcia/gnome/lib/libjavascriptcoregtk-4.1.so.0
#5  0x00007f3cd295561c in JSC::JSRunLoopTimer::Manager::timerDidFire() () from /home/cgarcia/gnome/lib/libjavascriptcoregtk-4.1.so.0
#6  0x00007f3cd2e774f5 in WTF::RunLoop::TimerBase::TimerBase(WTF::RunLoop&)::{lambda(void*)#1}::_FUN(void*) () from /home/cgarcia/gnome/lib/libjavascriptcoregtk-4.1.so.0
#7  0x00007f3cd2e77a4f in WTF::RunLoop::{lambda(_GSource*, int (*)(void*), void*)#1}::_FUN(_GSource*, int (*)(void*), void*) () from /home/cgarcia/gnome/lib/libjavascriptcoregtk-4.1.so.0
#8  0x00007f3ccf296fb4 in g_main_dispatch (context=0x7f3cc00032e0) at ../glib/gmain.c:3427
#9  g_main_context_dispatch (context=context at entry=0x7f3cc00032e0) at ../glib/gmain.c:4145
#10 0x00007f3ccf297328 in g_main_context_iterate (context=context at entry=0x7f3cc00032e0, block=block at entry=0, dispatch=dispatch at entry=1, self=<optimized out>) at ../glib/gmain.c:4221
#11 0x00007f3ccf2973cf in g_main_context_iteration (context=0x7f3cc00032e0, may_block=0) at ../glib/gmain.c:4286
#12 0x00007f3cd6b4eead in WebCore::WorkerDedicatedRunLoop::runInMode(WebCore::WorkerOrWorkletGlobalScope*, WebCore::ModePredicate const&) () from /home/cgarcia/gnome/lib/libwebkit2gtk-4.1.so.0
#13 0x00007f3cd6b4f60e in WebCore::WorkerDedicatedRunLoop::run(WebCore::WorkerOrWorkletGlobalScope*) () from /home/cgarcia/gnome/lib/libwebkit2gtk-4.1.so.0
#14 0x00007f3cd6b4fdc5 in WebCore::WorkerOrWorkletThread::workerOrWorkletThread() () from /home/cgarcia/gnome/lib/libwebkit2gtk-4.1.so.0
#15 0x00007f3cd2e05cf6 in WTF::Thread::entryPoint(WTF::Thread::NewThreadContext*) () from /home/cgarcia/gnome/lib/libjavascriptcoregtk-4.1.so.0
#16 0x00007f3cd2e7a609 in WTF::wtfThreadEntryPoint(void*) () from /home/cgarcia/gnome/lib/libjavascriptcoregtk-4.1.so.0
#17 0x00007f3cd348784a in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:442
#18 0x00007f3cd350b2cc in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

There are two release asserts in JSC::BlockDirectory::updatePercentageOfPagedOutPages, but I don't know which one is failing.

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