[Webkit-unassigned] [Bug 153973] [GTK] ASSERTION FAILED: m_eventListeners.isEmpty()

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=153973

--- Comment #1 from Michael Catanzaro <mcatanzaro at igalia.com> ---
100% reproducible on http://www.philly.com. Load this page:

http://www.philly.com/philly/food/Pizzagate-target-Philly-favorites-Pizza-Brain-and-Little-Babys-.html

Then close it. It will crash. I added some debug in StorageManager.cpp:

createLocalStorageMap: this=0x7f5afcfee3c0 storageMapID=1 storageNamespaceID=1
addListener: this=0x7f5aa7ba9150 storageMapID=1
createSessionStorageMap: this=0x7f5afcfee3c0 storageMapID=2 storageNamespaceID=3
addListener: this=0x7f5aa7ba9230 storageMapID=2
createTransientLocalStorageMap: this=0x7f5afcfee3c0 storageMapID=3 storageNamespaceID=1
addListener: this=0x7f5aa7ba93f0 storageMapID=3
createSessionStorageMap: this=0x7f5afcfee3c0 storageMapID=4 storageNamespaceID=3
addListener: this=0x7f5aa7ba94d0 storageMapID=4
createTransientLocalStorageMap: this=0x7f5afcfee3c0 storageMapID=5 storageNamespaceID=1
addListener: this=0x7f5aa7ba94d0 storageMapID=5
processDidCloseConnection: this=0x7f5afcfee3c0
operator(): this=0x7f5afcfee3c0 removing listener...
removeListener: this=0x7f5aa7ba93f0 storageMapID=3
operator(): this=0x7f5afcfee3c0 removing listener...
removeListener: this=0x7f5aa7ba9150 storageMapID=1
operator(): this=0x7f5afcfee3c0 removing listener...
removeListener: this=0x7f5aa7ba94d0 storageMapID=5
operator(): this=0x7f5afcfee3c0 removing listener...
removeListener: this=0x7f5aa7ba9230 storageMapID=2
~StorageArea: this=0x7f5aa7ba9150 empty=1
~StorageArea: this=0x7f5aa7ba9230 empty=1
~StorageArea: this=0x7f5aa7ba94d0 empty=0
ASSERTION FAILED: m_eventListeners.isEmpty()
../../Source/WebKit2/UIProcess/Storage/StorageManager.cpp(180) : WebKit::StorageManager::StorageArea::~StorageArea()

So the problem is the listener for the second session storage map (storageMapID=4) is not being removed.

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