222172 2021-02-19 07:53:39 -0800 Norton Safe Web extension is causing crashes / hangs under [WKRemoteObjectEncoder encodeObject:forKey:] 2021-02-19 09:46:05 -0800 1 1 1 Unclassified WebKit WebKit2 WebKit Nightly Build Unspecified Unspecified RESOLVED FIXED InRadar P2 Normal --- 219620 1 cdumez cdumez achristensen darin ggaren webkit-bug-importer oldest_to_newest 1731334 0 cdumez 2021-02-19 07:53:39 -0800 Norton Safe Web extension is causing crashes / hangs under [WKRemoteObjectEncoder encodeObject:forKey:]. Bug 219620 was supposed to fix it but it didn't. 1731340 1 420969 cdumez 2021-02-19 08:13:39 -0800 Created attachment 420969 Patch 1731379 2 ews-feeder 2021-02-19 09:29:17 -0800 Committed r273141: <https://commits.webkit.org/r273141> All reviewed patches have been landed. Closing bug and clearing flags on attachment 420969. 1731380 3 webkit-bug-importer 2021-02-19 09:30:16 -0800 <rdar://problem/74525352> 1731393 4 420969 darin 2021-02-19 09:46:05 -0800 Comment on attachment 420969 Patch View in context: https://bugs.webkit.org/attachment.cgi?id=420969&action=review > Source/WebKit/ChangeLog:22 > + The logic introduced in r270559 to detect cycles was flawed because it relied on a NSSet of > + NSObject* and [NSSet containsObject:] to detect the cycles. The issue is that [NSSet containsObject:] > + doesn't do a simple pointer comparison but instead calls [NSObject isEqual:] which is very > + expensive for types like NSDictionary and leads to trouble when the dictionary contains a cycle. > + To address this I replaced the NSSet with a WTF::HashSet<NSObject *> so that key lookup ends up > + doing a simple pointer comparison. Fine to use HashSet, but note that within the Cocoa world the NSMapTable collection is available for uses like this. 420969 2021-02-19 08:13:39 -0800 2021-02-19 09:29:18 -0800 Patch bug-222172-20210219081338.patch text/plain 7532 cdumez U3VidmVyc2lvbiBSZXZpc2lvbjogMjczMTA1CmRpZmYgLS1naXQgYS9Tb3VyY2UvV2ViS2l0L0No YW5nZUxvZyBiL1NvdXJjZS9XZWJLaXQvQ2hhbmdlTG9nCmluZGV4IDQxMzQwNmNjNWM2Nzk0MDk5 ZDUwM2U3MTRmYjAzMDMxZTY4ZDFjZDYuLjk1NDlmM2NlZmZhNWY5MDI1MTUzNzgyZjQ1NmYxYmUw ODFhNTI1MzggMTAwNjQ0Ci0tLSBhL1NvdXJjZS9XZWJLaXQvQ2hhbmdlTG9nCisrKyBiL1NvdXJj ZS9XZWJLaXQvQ2hhbmdlTG9nCkBAIC0xLDMgKzEsNDkgQEAKKzIwMjEtMDItMTkgIENocmlzIER1 bWV6ICA8Y2R1bWV6QGFwcGxlLmNvbT4KKworICAgICAgICBOb3J0b24gU2FmZSBXZWIgZXh0ZW5z aW9uIGlzIGNhdXNpbmcgY3Jhc2hlcyAvIGhhbmdzIHVuZGVyIFtXS1JlbW90ZU9iamVjdEVuY29k ZXIgZW5jb2RlT2JqZWN0OmZvcktleTpdCisgICAgICAgIGh0dHBzOi8vYnVncy53ZWJraXQub3Jn L3Nob3dfYnVnLmNnaT9pZD0yMjIxNzIKKworICAgICAgICBSZXZpZXdlZCBieSBOT0JPRFkgKE9P 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