196029 2019-03-20 13:32:21 -0700 Regression(PSON): ViewGestureController is not properly notified of process swaps on iOS 2019-03-20 14:26:09 -0700 1 1 1 Unclassified WebKit WebKit2 WebKit Nightly Build Unspecified Unspecified RESOLVED FIXED https://bugs.webkit.org/show_bug.cgi?id=191734 InRadar P2 Normal --- 1 cdumez cdumez commit-queue ggaren simon.fraser thorton webkit-bug-importer oldest_to_newest 1519139 0 cdumez 2019-03-20 13:32:21 -0700 ViewGestureController is not properly notified of process swaps on iOS causing assertion failures under ViewGestureController::disconnectFromProcess(): Thread 0 Crashed:: Dispatch queue: com.apple.main-thread 0 com.apple.WebKit 0x0000000102bdb6d3 WTFCrashWithInfo(int, char const*, char const*, int) + 19 (Assertions.h:566) 1 com.apple.WebKit 0x0000000102bf5587 IPC::MessageReceiverMap::removeMessageReceiver(IPC::StringReference, unsigned long long) + 163 2 com.apple.WebKit 0x0000000102dfa057 WebKit::ViewGestureController::disconnectFromProcess() + 81 (ViewGestureController.cpp:111) 3 com.apple.WebKit 0x0000000102df9e95 WebKit::ViewGestureController::~ViewGestureController() + 95 (memory:2631) 4 com.apple.WebKit 0x0000000102dfa088 WebKit::ViewGestureController::~ViewGestureController() + 14 (ViewGestureController.h:83) 5 com.apple.WebKit 0x0000000102d3bd6b -[WKWebView .cxx_destruct] + 235 (WKWebView.mm:266) 6 libobjc.A.dylib 0x00000001099da963 object_cxxDestructFromClass(objc_object*, objc_class*) + 127 7 libobjc.A.dylib 0x00000001099e64c7 objc_destructInstance + 134 8 libobjc.A.dylib 0x00000001099e64f9 object_dispose + 19 9 com.apple.UIKitCore 0x00000001137e385b -[UIResponder dealloc] + 145 10 com.apple.UIKitCore 0x0000000113c57918 -[UIView dealloc] + 1041 11 com.apple.WebKit 0x0000000102d303ab -[WKWebView dealloc] + 375 (WKWebView.mm:882) 1519140 1 cdumez 2019-03-20 13:32:33 -0700 <rdar://problem/48954651> 1519141 2 cdumez 2019-03-20 13:33:17 -0700 Similar fix for macOS was Bug 191734. 1519145 3 365391 cdumez 2019-03-20 13:36:21 -0700 Created attachment 365391 Patch 1519180 4 365391 commit-queue 2019-03-20 14:26:07 -0700 Comment on attachment 365391 Patch Clearing flags on attachment: 365391 Committed r243240: <https://trac.webkit.org/changeset/243240> 1519181 5 commit-queue 2019-03-20 14:26:09 -0700 All reviewed patches have been landed. Closing bug. 365391 2019-03-20 13:36:21 -0700 2019-03-20 14:26:07 -0700 Patch bug-196029-20190320133621.patch text/plain 7663 cdumez U3VidmVyc2lvbiBSZXZpc2lvbjogMjQzMjExCmRpZmYgLS1naXQgYS9Tb3VyY2UvV2ViS2l0L0No YW5nZUxvZyBiL1NvdXJjZS9XZWJLaXQvQ2hhbmdlTG9nCmluZGV4IDQzNjA5ZmVkNzEwZDZmMTli ZTczZjNjYjU4MjViZGI4OTk4YjkyZTQuLjczNjQ1ZDNlNjA4N2E3MTlkYjY1NmY4YjRmNWJiN2Yw ZDZkYTIyYWUgMTAwNjQ0Ci0tLSBhL1NvdXJjZS9XZWJLaXQvQ2hhbmdlTG9nCisrKyBiL1NvdXJj ZS9XZWJLaXQvQ2hhbmdlTG9nCkBAIC0xLDMgKzEsMjAgQEAKKzIwMTktMDMtMjAgIENocmlzIER1 bWV6ICA8Y2R1bWV6QGFwcGxlLmNvbT4KKworICAgICAgICBSZWdyZXNzaW9uKFBTT04pOiBWaWV3 R2VzdHVyZUNvbnRyb2xsZXIgaXMgbm90IHByb3Blcmx5IG5vdGlmaWVkIG9mIHByb2Nlc3Mgc3dh cHMgb24gaU9TCisgICAgICAgIGh0dHBzOi8vYnVncy53ZWJraXQub3JnL3Nob3dfYnVnLmNnaT9p ZD0xOTYwMjkKKyAgICAgICAgPHJkYXI6Ly9wcm9ibGVtLzQ4OTU0NjUxPgorCisgICAgICAgIFJl dmlld2VkIGJ5IE5PQk9EWSAoT09QUyEpLgorCisgICAgICAgIElmIHRoZXJlIGlzIGEgVmlld0dl c3R1cmVDb250cm9sbGVyIHdoZW4gcHJvY2VzcyBzd2FwcGluZywgbWFrZSBzdXJlIHdlIGRpc2Nv 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