220469 2021-01-08 10:45:54 -0800 [macOS] -[WKWebView acceptsFirstMouse:] sometimes crashes in IPC::Connection::createSyncMessageEncoder 2021-01-11 11:58:47 -0800 1 1 1 Unclassified WebKit Platform WebKit Nightly Build Unspecified Unspecified RESOLVED FIXED https://bugs.webkit.org/show_bug.cgi?id=220520 InRadar P2 Normal --- 1 wenson_hsieh wenson_hsieh cdumez thorton webkit-bug-importer oldest_to_newest 1718340 0 wenson_hsieh 2021-01-08 10:45:54 -0800 <rdar://problem/72319199> 1718354 1 417280 wenson_hsieh 2021-01-08 11:11:54 -0800 Created attachment 417280 Patch 1718362 2 417280 cdumez 2021-01-08 11:43:06 -0800 Comment on attachment 417280 Patch View in context: https://bugs.webkit.org/attachment.cgi?id=417280&action=review > Source/WebKit/UIProcess/WebPageProxy.cpp:10346 > +bool WebPageProxy::canSendSyncMessage() const Maybe we can update sendSync() in MessageSender.h to null-check messageSenderConnection() instead of asserting it? 1718363 3 wenson_hsieh 2021-01-08 11:44:42 -0800 (In reply to Chris Dumez from comment #2) > Comment on attachment 417280 [details] > Patch > > View in context: > https://bugs.webkit.org/attachment.cgi?id=417280&action=review > > > Source/WebKit/UIProcess/WebPageProxy.cpp:10346 > > +bool WebPageProxy::canSendSyncMessage() const > > Maybe we can update sendSync() in MessageSender.h to null-check > messageSenderConnection() instead of asserting it? Yes, that would work too (I was just under the impression that we wanted to keep the assertion). I'll update the patch to just null check instead. 1718364 4 cdumez 2021-01-08 11:45:57 -0800 (In reply to Wenson Hsieh from comment #3) > (In reply to Chris Dumez from comment #2) > > Comment on attachment 417280 [details] > > Patch > > > > View in context: > > https://bugs.webkit.org/attachment.cgi?id=417280&action=review > > > > > Source/WebKit/UIProcess/WebPageProxy.cpp:10346 > > > +bool WebPageProxy::canSendSyncMessage() const > > > > Maybe we can update sendSync() in MessageSender.h to null-check > > messageSenderConnection() instead of asserting it? > > Yes, that would work too (I was just under the impression that we wanted to > keep the assertion). > > I'll update the patch to just null check instead. I don't think so. I think this crash just proved that this assertion does not hold since in theory you can do a sync IPC while the process is still launching. 1718377 5 417286 wenson_hsieh 2021-01-08 11:59:28 -0800 Created attachment 417286 Patch 1718378 6 417286 cdumez 2021-01-08 12:00:25 -0800 Comment on attachment 417286 Patch r=me, assuming the bots are happy. 1718447 7 ews-feeder 2021-01-08 14:35:33 -0800 Committed r271322: <https://trac.webkit.org/changeset/271322> All reviewed patches have been landed. Closing bug and clearing flags on attachment 417286. 417280 2021-01-08 11:11:54 -0800 2021-01-08 11:59:25 -0800 Patch bug-220469-20210108111153.patch text/plain 16095 wenson_hsieh U3VidmVyc2lvbiBSZXZpc2lvbjogMjcxMjY5CmRpZmYgLS1naXQgYS9Tb3VyY2UvV2ViS2l0L0No YW5nZUxvZyBiL1NvdXJjZS9XZWJLaXQvQ2hhbmdlTG9nCmluZGV4IDY0OTQ1YmJhOWQ1YmRlZTA0 ODUzNjExNzY5ODhiMGM0ODMyZmFmMGUuLmZlMmQ3YjhiNDE2NGZkMDg0ZjlhZTUzMGU4ZDM5NjY0 NGM0NjIwOWMgMTAwNjQ0Ci0tLSBhL1NvdXJjZS9XZWJLaXQvQ2hhbmdlTG9nCisrKyBiL1NvdXJj ZS9XZWJLaXQvQ2hhbmdlTG9nCkBAIC0xLDMgKzEsNjAgQEAKKzIwMjEtMDEtMDggIFdlbnNvbiBI c2llaCAgPHdlbnNvbl9oc2llaEBhcHBsZS5jb20+CisKKyAgICAgICAgW21hY09TXSAtW1dLV2Vi VmlldyBhY2NlcHRzRmlyc3RNb3VzZTpdIHNvbWV0aW1lcyBjcmFzaGVzIGluIElQQzo6Q29ubmVj dGlvbjo6Y3JlYXRlU3luY01lc3NhZ2VFbmNvZGVyCisgICAgICAgIGh0dHBzOi8vYnVncy53ZWJr aXQub3JnL3Nob3dfYnVnLmNnaT9pZD0yMjA0NjkKKyAgICAgICAgPHJkYXI6Ly9wcm9ibGVtLzcy MzE5MTk5PgorCisgICAgICAgIFJldmlld2VkIGJ5IE5PQk9EWSAoT09QUyEpLgorCisgICAgICAg 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