storage/close-during-stress-test.html crashed on leopard bot https://bugs.webkit.org/show_bug.cgi?id=30157#c3 This may be related to bug 29154 or bug 21487.
Created attachment 40798 [details] crash report This definitely looks related to storage: Exception Type: EXC_BAD_ACCESS (SIGBUS) Exception Codes: KERN_PROTECTION_FAILURE at 0x0000000004483881 Crashed Thread: 0 Thread 0 Crashed: 0 libSystem.B.dylib 0xffff01a4 __atomic_add32 + 4 (cpu_capabilities.h:230) 1 com.apple.WebCore 0x01d32352 WebCore::SQLTransaction::checkAndHandleClosedDatabase() + 338 (SQLTransaction.cpp:168) 2 com.apple.WebCore 0x01d32372 WebCore::SQLTransaction::performPendingCallback() + 18 (SQLTransaction.cpp:204) 3 com.apple.WebCore 0x016c2212 WebCore::Database::deliverPendingCallback(void*) + 18 (OSAtomic.h:83) 4 com.apple.JavaScriptCore 0x003706a7 WTF::dispatchFunctionsFromMainThread() + 183 (MainThread.cpp:100) 5 com.apple.Foundation 0x959ce9ac __NSThreadPerformPerform + 476 6 com.apple.CoreFoundation 0x955b93c5 CFRunLoopRunSpecific + 3141
CCing ap as he wrote this test.
Happened again: https://bugs.webkit.org/show_bug.cgi?id=34560#c16