[Webkit-unassigned] [Bug 221115] [WPE] Rare flaky crashes in WTRController in multiple tests

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=221115

--- Comment #1 from Lauro Moura <lmoura at igalia.com> ---
Created attachment 418697

  --> https://bugs.webkit.org/attachment.cgi?id=418697&action=review

svg/wicd/test-rightsizing-b.xhtml crash log from debug build 5743

svg/wicd/test-rightsizing-b.xhtml

Debug build 5743 (r272000)

Thread 1:

STDERR: ASSERTION FAILED: m_end < m_buffer.capacity()
STDERR: ../../Source/WTF/wtf/Deque.h(264) : void WTF::Deque<T, inlineCapacity>::checkValidity() const [with T = WTF::Function<void()>; long unsigned int inlineCapacity = 0]

Thread 1 (Thread 0x7f58b0c6e9c0 (LWP 90625)):
#0  WTFCrash() () at ../../Source/WTF/wtf/Assertions.cpp:295
#1  0x0000561b6564bcc8 in CRASH_WITH_INFO(...) () at DerivedSources/ForwardingHeaders/wtf/Assertions.h:713
#2  0x0000561b672cf9a7 in WTF::Deque<WTF::Function<void ()>, 0ul>::checkValidity() const (this=0x7f58b0367040) at ../../Source/WTF/wtf/Deque.h:264
#3  0x0000561b672d0381 in WTF::Deque<WTF::Function<void ()>, 0ul>::expandCapacity() (this=0x7f58b0367040) at ../../Source/WTF/wtf/Deque.h:444
#4  0x0000561b672cfa3c in WTF::Deque<WTF::Function<void ()>, 0ul>::expandCapacityIfNeeded() (this=0x7f58b0367040) at ../../Source/WTF/wtf/Deque.h:425
#5  0x0000561b672cfe6f in WTF::Deque<WTF::Function<void ()>, 0ul>::append<WTF::Function<void ()> >(WTF::Function<void ()>&&) (this=0x7f58b0367040, value=...) at ../../Source/WTF/wtf/Deque.h:475
#6  0x0000561b672cf4ba in WTF::Deque<WTF::Function<void ()>, 0ul>::append(WTF::Function<void ()>&&) (this=0x7f58b0367040, value=...) at ../../Source/WTF/wtf/Deque.h:89
#7  0x0000561b672ce51b in WTF::RunLoop::dispatch(WTF::Function<void ()>&&) (this=0x7f58b0367000, function=...) at ../../Source/WTF/wtf/RunLoop.cpp:146
#8  0x0000561b67358329 in WTF::WorkQueue::platformInvalidate() (this=0x7f58b0396a50) at ../../Source/WTF/wtf/generic/WorkQueueGeneric.cpp:51
#9  0x0000561b6731376c in WTF::WorkQueue::~WorkQueue() (this=0x7f58b0396a50, __in_chrg=<optimized out>) at ../../Source/WTF/wtf/WorkQueue.cpp:54
#10 0x0000561b67313794 in WTF::WorkQueue::~WorkQueue() (this=0x7f58b0396a50, __in_chrg=<optimized out>) at ../../Source/WTF/wtf/WorkQueue.cpp:55
#11 0x0000561b66948e3e in WTF::ThreadSafeRefCounted<WTF::FunctionDispatcher, (WTF::DestructionThread)0>::deref() const::{lambda()#1}::operator()() const (this=0x7ffe9d297810) at DerivedSources/ForwardingHeaders/wtf/ThreadSafeRefCounted.h:117
#12 0x0000561b66948e85 in WTF::ThreadSafeRefCounted<WTF::FunctionDispatcher, (WTF::DestructionThread)0>::deref() const (this=0x7f58b0396a58) at DerivedSources/ForwardingHeaders/wtf/ThreadSafeRefCounted.h:135
#13 0x0000561b66a9f1b4 in WTF::Ref<WTF::WorkQueue, WTF::RawPtrTraits<WTF::WorkQueue> >::~Ref() (this=0x7f58b03972f0, __in_chrg=<optimized out>) at DerivedSources/ForwardingHeaders/wtf/Ref.h:61
#14 0x00007f58c59ff942 in API::ContentRuleListStore::~ContentRuleListStore() (this=0x7f58b03972d8, __in_chrg=<optimized out>) at ../../Source/WebKit/UIProcess/API/APIContentRuleListStore.cpp:96
#15 0x00007f58c59ff97a in API::ContentRuleListStore::~ContentRuleListStore() (this=0x7f58b03972d8, __in_chrg=<optimized out>) at ../../Source/WebKit/UIProcess/API/APIContentRuleListStore.cpp:98
#16 0x00007f58c4bb3aa6 in WTF::ThreadSafeRefCounted<API::Object, (WTF::DestructionThread)0>::deref() const::{lambda()#1}::operator()() const (this=0x7ffe9d2978c0) at DerivedSources/ForwardingHeaders/wtf/ThreadSafeRefCounted.h:117
#17 0x00007f58c4bb3aed in WTF::ThreadSafeRefCounted<API::Object, (WTF::DestructionThread)0>::deref() const (this=0x7f58b03972e0) at DerivedSources/ForwardingHeaders/wtf/ThreadSafeRefCounted.h:135
#18 0x00007f58c57c18aa in WKRelease(WKTypeRef) (typeRef=0x7f58b03972d8) at ../../Source/WebKit/Shared/API/c/WKType.cpp:46
#19 0x0000561b6566f7ca in WebKit::WKRetainPtr<OpaqueWKUserContentExtensionStore const*>::~WKRetainPtr() (this=0x7ffe9d297948, __in_chrg=<optimized out>) at ../../Source/WebKit/UIProcess/API/cpp/WKRetainPtr.h:77
#20 0x0000561b656596d2 in WTR::TestController::resetContentExtensions() (this=0x7ffe9d298620) at ../../Tools/WebKitTestRunner/TestController.cpp:1427
#21 0x0000561b65657b23 in WTR::TestController::resetStateToConsistentValues(WTR::TestOptions const&, WTR::TestController::ResetStage) (this=0x7ffe9d298620, options=..., resetStage=WTR::TestController::ResetStage::AfterTest) at ../../Tools/WebKitTestRunner/TestController.cpp:1043
#22 0x0000561b6568bb5d in WTR::TestInvocation::invoke() (this=0x7f58701ec840) at ../../Tools/WebKitTestRunner/TestInvocation.cpp:180
#23 0x0000561b6565997e in WTR::TestController::runTest(char const*) (this=0x7ffe9d298620, inputLine=0x7ffe9d297d90 "/app/webkit/LayoutTests/svg/wicd/test-rightsizing-a.xhtml'--timeout'30000") at ../../Tools/WebKitTestRunner/TestController.cpp:1476
#24 0x0000561b65659b95 in WTR::TestController::runTestingServerLoop() (this=0x7ffe9d298620) at ../../Tools/WebKitTestRunner/TestController.cpp:1522
#25 0x0000561b65659bea in WTR::TestController::run() (this=0x7ffe9d298620) at ../../Tools/WebKitTestRunner/TestController.cpp:1530
#26 0x0000561b656543c3 in WTR::TestController::TestController(int, char const**) (this=0x7ffe9d298620, argc=2, argv=0x7ffe9d298ac8) at ../../Tools/WebKitTestRunner/TestController.cpp:193
#27 0x0000561b656bb7b4 in main(int, char**) (argc=2, argv=0x7ffe9d298ac8) at ../../Tools/WebKitTestRunner/wpe/main.cpp:35

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