[Webkit-unassigned] [Bug 159809] New: ASSERTION FAILED: isMainThread() in ~UniqueIDBDatabase() since r201997

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=159809

            Bug ID: 159809
           Summary: ASSERTION FAILED: isMainThread() in
                    ~UniqueIDBDatabase() since r201997
    Classification: Unclassified
           Product: WebKit
           Version: WebKit Local Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Keywords: Gtk, LayoutTestFailure
          Severity: Normal
          Priority: P2
         Component: WebKit2
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: cgarcia at igalia.com
                CC: beidson at apple.com, bugs-noreply at webkitgtk.org

Several tests crash in GTK+ debug bot because of this:

imported/w3c/web-platform-tests/IndexedDB/idbcursor_advance_objectstore3.htm
imported/w3c/web-platform-tests/IndexedDB/idbcursor_continue_objectstore2.htm
imported/w3c/web-platform-tests/IndexedDB/idbcursor_continue_objectstore4.htm
imported/w3c/web-platform-tests/IndexedDB/idbcursor_delete_index2.htm
imported/w3c/web-platform-tests/IndexedDB/idbcursor_iterating_objectstore2.htm
imported/w3c/web-platform-tests/IndexedDB/idbcursor_update_objectstore3.htm

I can't reproduce it locally with a release build and using a RELEAE_ASSERT instead.

STDERR: ASSERTION FAILED: isMainThread()
STDERR: ../../Source/WebCore/Modules/indexeddb/server/UniqueIDBDatabase.cpp(62) : WebCore::IDBServer::UniqueIDBDatabase::~UniqueIDBDatabase()
STDERR: 1   0x7fbb70409acf /home/slave/webkitgtk/gtk-linux-64-debug/build/WebKitBuild/Debug/lib/libjavascriptcoregtk-4.0.so.18(WTFCrash+0x1e) [0x7fbb70409acf]
STDERR: 2   0x7fbb76f7b294 /home/slave/webkitgtk/gtk-linux-64-debug/build/WebKitBuild/Debug/lib/libwebkit2gtk-4.0.so.37(WebCore::IDBServer::UniqueIDBDatabase::~UniqueIDBDatabase()+0xb2) [0x7fbb76f7b294]
STDERR: 3   0x7fbb767d1223 /home/slave/webkitgtk/gtk-linux-64-debug/build/WebKitBuild/Debug/lib/libwebkit2gtk-4.0.so.37(WTF::ThreadSafeRefCounted<WebCore::IDBServer::UniqueIDBDatabase>::deref()+0x2f) [0x7fbb767d1223]
STDERR: 4   0x7fbb76f0b87d /home/slave/webkitgtk/gtk-linux-64-debug/build/WebKitBuild/Debug/lib/libwebkit2gtk-4.0.so.37(WTF::Ref<WebCore::IDBServer::UniqueIDBDatabase>::~Ref()+0x27) [0x7fbb76f0b87d]
STDERR: 5   0x7fbb76f85edc /home/slave/webkitgtk/gtk-linux-64-debug/build/WebKitBuild/Debug/lib/libwebkit2gtk-4.0.so.37(WebCore::IDBServer::UniqueIDBDatabase::executeNextDatabaseTask()+0x110) [0x7fbb76f85edc]
STDERR: 6   0x7fbb76fa84fc /home/slave/webkitgtk/gtk-linux-64-debug/build/WebKitBuild/Debug/lib/libwebkit2gtk-4.0.so.37(void WTF::callMemberFunctionForCrossThreadTaskImpl<WebCore::IDBServer::UniqueIDBDatabase, void (WebCore::IDBServer::UniqueIDBDatabase::*)(), std::tuple<>>(WebCore::IDBServer::UniqueIDBDatabase*, void (WebCore::IDBServer::UniqueIDBDatabase::*)(), std::tuple<>&&, std::integer_sequence<unsigned long>)+0x65) [0x7fbb76fa84fc]
STDERR: 7   0x7fbb76f9c1c2 /home/slave/webkitgtk/gtk-linux-64-debug/build/WebKitBuild/Debug/lib/libwebkit2gtk-4.0.so.37(void WTF::callMemberFunctionForCrossThreadTask<WebCore::IDBServer::UniqueIDBDatabase, void (WebCore::IDBServer::UniqueIDBDatabase::*)(), std::tuple<>, std::integer_sequence<unsigned long> >(WebCore::IDBServer::UniqueIDBDatabase*, void (WebCore::IDBServer::UniqueIDBDatabase::*)(), std::tuple<>&&)+0x4a) [0x7fbb76f9c1c2]
STDERR: 8   0x7fbb76f93f9d /home/slave/webkitgtk/gtk-linux-64-debug/build/WebKitBuild/Debug/lib/libwebkit2gtk-4.0.so.37(WTF::CrossThreadTask WTF::createCrossThreadTask<WebCore::IDBServer::UniqueIDBDatabase>(WebCore::IDBServer::UniqueIDBDatabase&, void (WebCore::IDBServer::UniqueIDBDatabase::*)())::{lambda()#1}::operator()()+0x3d) [0x7fbb76f93f9d]
STDERR: 9   0x7fbb76fbab7c /home/slave/webkitgtk/gtk-linux-64-debug/build/WebKitBuild/Debug/lib/libwebkit2gtk-4.0.so.37(WTF::Function<void ()>::CallableWrapper<WTF::CrossThreadTask WTF::createCrossThreadTask<WebCore::IDBServer::UniqueIDBDatabase>(WebCore::IDBServer::UniqueIDBDatabase&, void (WebCore::IDBServer::UniqueIDBDatabase::*)())::{lambda()#1}>::call()+0x1c) [0x7fbb76fbab7c]
STDERR: 10  0x7fbb767cf19d /home/slave/webkitgtk/gtk-linux-64-debug/build/WebKitBuild/Debug/lib/libwebkit2gtk-4.0.so.37(WTF::Function<void ()>::operator()() const+0x37) [0x7fbb767cf19d]
STDERR: 11  0x7fbb767ce15e /home/slave/webkitgtk/gtk-linux-64-debug/build/WebKitBuild/Debug/lib/libwebkit2gtk-4.0.so.37(WTF::CrossThreadTask::performTask()+0x18) [0x7fbb767ce15e]
STDERR: 12  0x7fbb76f09b74 /home/slave/webkitgtk/gtk-linux-64-debug/build/WebKitBuild/Debug/lib/libwebkit2gtk-4.0.so.37(WebCore::IDBServer::IDBServer::databaseRunLoop()+0x82) [0x7fbb76f09b74]
STDERR: 13  0x7fbb76f09aef /home/slave/webkitgtk/gtk-linux-64-debug/build/WebKitBuild/Debug/lib/libwebkit2gtk-4.0.so.37(WebCore::IDBServer::IDBServer::databaseThreadEntry(void*)+0x4d) [0x7fbb76f09aef]
STDERR: 14  0x7fbb70426742 /home/slave/webkitgtk/gtk-linux-64-debug/build/WebKitBuild/Debug/lib/libjavascriptcoregtk-4.0.so.18(+0x2204742) [0x7fbb70426742]
STDERR: 15  0x7fbb704268f8 /home/slave/webkitgtk/gtk-linux-64-debug/build/WebKitBuild/Debug/lib/libjavascriptcoregtk-4.0.so.18(+0x22048f8) [0x7fbb704268f8]
STDERR: 16  0x7fbb7681383c /home/slave/webkitgtk/gtk-linux-64-debug/build/WebKitBuild/Debug/lib/libwebkit2gtk-4.0.so.37(std::function<void ()>::operator()() const+0x32) [0x7fbb7681383c]
STDERR: 17  0x7fbb70426624 /home/slave/webkitgtk/gtk-linux-64-debug/build/WebKitBuild/Debug/lib/libjavascriptcoregtk-4.0.so.18(+0x2204624) [0x7fbb70426624]
STDERR: 18  0x7fbb70461cb1 /home/slave/webkitgtk/gtk-linux-64-debug/build/WebKitBuild/Debug/lib/libjavascriptcoregtk-4.0.so.18(+0x223fcb1) [0x7fbb70461cb1]
STDERR: 19  0x7fbb6db2d0a4 /lib/x86_64-linux-gnu/libpthread.so.0(+0x80a4) [0x7fbb6db2d0a4]
STDERR: 20  0x7fbb68e3587d /lib/x86_64-linux-gnu/libc.so.6(clone+0x6d) [0x7fbb68e3587d]

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