187170 2018-06-28 23:39:27 -0700 [GTK][Debug] Crash at google calendar (ASSERTION FAILED: !getDirect(offset) || !JSValue::encode(getDirect(offset))) 2018-07-03 07:17:42 -0700 1 1 1 Unclassified WebKit WebCore Misc. Other Unspecified Unspecified RESOLVED DUPLICATE 186989 https://bugs.webkit.org/show_bug.cgi?id=186989 P2 Normal --- 187036 1 calvaris webkit-unassigned mcatanzaro webkit-unassigned oldest_to_newest 1437709 0 calvaris 2018-06-28 23:39:27 -0700 +++ This bug was initially created as a clone of Bug #187036 +++ 1. open calendar.google.com (log in if needed) 2. try the "7 days" view (I don't know if this is strictly needed, it is just my default view) 3. click on the button "right" to go to the next 7 days With MiniBrowser and master debug, between steps 2 and 3, I am getting: ASSERTION FAILED: !getDirect(offset) || !JSValue::encode(getDirect(offset)) DerivedSources/ForwardingHeaders/JavaScriptCore/JSObjectInlines.h(335) : bool JSC::JSObject::putDirectInternal(JSC::VM&, JSC::PropertyName, JSC::JSValue, unsigned int, JSC::PutPropertySlot&) [with JSC::JSObject::PutMode <anonymous> = (JSC::JSObject::PutMode)1] 1 0x7f5baa055317 /home/calvaris/gnome/WebKit/WebKitBuild/Debug/lib/libjavascriptcoregtk-4.0.so.18(WTFCrash+0x9) [0x7f5baa055317] 2 0x7f5bb49d7b4f /home/calvaris/gnome/WebKit/WebKitBuild/Debug/lib/libwebkit2gtk-4.0.so.37(_ZN3JSC8JSObject17putDirectInternalILNS0_7PutModeE1EEEbRNS_2VMENS_12PropertyNameENS_7JSValueEjRNS_15PutPropertySlotE+0x67b) [0x7f5bb49d7b4f] 3 0x7f5bb49d1eb1 /home/calvaris/gnome/WebKit/WebKitBuild/Debug/lib/libwebkit2gtk-4.0.so.37(_ZN3JSC8JSObject9putDirectERNS_2VMENS_12PropertyNameENS_7JSValueEj+0xff) [0x7f5bb49d1eb1] 4 0x7f5ba9cf50e6 /home/calvaris/gnome/WebKit/WebKitBuild/Debug/lib/libjavascriptcoregtk-4.0.so.18(_ZN3JSC10JSFunction18getOwnPropertySlotEPNS_8JSObjectEPNS_9ExecStateENS_12PropertyNameERNS_12PropertySlotE+0x292) [0x7f5ba9cf50e6] 5 0x7f5ba9cf57fe /home/calvaris/gnome/WebKit/WebKitBuild/Debug/lib/libjavascriptcoregtk-4.0.so.18(_ZN3JSC10JSFunction3putEPNS_6JSCellEPNS_9ExecStateENS_12PropertyNameENS_7JSValueERNS_15PutPropertySlotE+0x240) [0x7f5ba9cf57fe] 6 0x7f5ba94e1232 /home/calvaris/gnome/WebKit/WebKitBuild/Debug/lib/libjavascriptcoregtk-4.0.so.18(_ZN3JSC6JSCell9putInlineEPNS_9ExecStateENS_12PropertyNameENS_7JSValueERNS_15PutPropertySlotE+0x9e) [0x7f5ba94e1232] 7 0x7f5ba94e3fe7 /home/calvaris/gnome/WebKit/WebKitBuild/Debug/lib/libjavascriptcoregtk-4.0.so.18(_ZN3JSC7JSValue9putInlineEPNS_9ExecStateENS_12PropertyNameES0_RNS_15PutPropertySlotE+0x83) [0x7f5ba94e3fe7] 8 0x7f5ba9a889ec /home/calvaris/gnome/WebKit/WebKitBuild/Debug/lib/libjavascriptcoregtk-4.0.so.18(+0x278e9ec) [0x7f5ba9a889ec] As stated in bug comment 1 of bug 187036. 1438837 1 mcatanzaro 2018-07-03 07:17:42 -0700 *** This bug has been marked as a duplicate of bug 186989 ***