12086 2007-01-02 20:25:00 -0800 REGRESSION: Crash on login to myspace.com 2007-01-03 05:33:09 -0800 1 1 1 Unclassified WebKit Page Loading 420+ Mac OS X 10.4 RESOLVED FIXED http://www.myspace.com Regression P1 Normal --- 1 miles_b beidson kevin webkit oldest_to_newest 37528 0 miles_b 2007-01-02 20:25:00 -0800 Running build 18541 on Tiger (10.4.8, Intel Core 2 Duo machine), WebKit crashes 100% of the time, during the login process on www.myspace.com. Build 18540 and earlier do not crash. Clearing caches, cookies, etc don't change the behavior. I'll attach a crash log. 37529 1 12176 miles_b 2007-01-02 20:26:00 -0800 Created attachment 12176 Crash log 37460 2 ddkilzer 2007-01-02 21:20:02 -0800 Confirmed logging into myspace.com. 37462 3 ddkilzer 2007-01-02 21:23:25 -0800 *** Bug 12088 has been marked as a duplicate of this bug. *** 37341 4 beidson 2007-01-02 23:37:58 -0800 Pretty sure this is an overreleased ObjC wrapper for a HistoryItem - what I don't know is how that happens...! 37343 5 beidson 2007-01-03 00:08:50 -0800 Okay, definitely a WebHistoryItem getting overreleased. The problem is that [WebBackForwardList currentItem] returns a WebHistoryItem that has a retain count of 1 less than it used to in the previous implementation. Previously, the WebBackForwardList accessors simply returned items that the list itself was retaining. Now that we have these WebKit, objc wrappers that are "temporary" as far as the underlying WebCore::HistoryItem is concerned, code that relied on the WebBackForwardList retaining the item breaks! The "most correct" fix is... gross. But, may have to be done. Patch is coming shortly... 37336 6 12181 beidson 2007-01-03 00:14:32 -0800 Created attachment 12181 For sure fixes the problem - but is kinda gross Attached a fix 37335 7 12181 timothy 2007-01-03 00:35:10 -0800 Comment on attachment 12181 For sure fixes the problem - but is kinda gross This fix seems fine, I just hate using autorelease to solve problems like this. It makes sense, it makes sure the wrapper is retained for the entire scope needed. r=me 37333 8 beidson 2007-01-03 00:49:45 -0800 This fix was checked in r18544 37305 9 ddkilzer 2007-01-03 05:33:09 -0800 *** Bug 12094 has been marked as a duplicate of this bug. *** 12176 2007-01-02 20:26:00 -0800 2007-01-02 20:26:00 -0800 Crash log myspace crash 18541.txt text/plain 5666 miles_b RGF0ZS9UaW1lOiAgICAgIDIwMDctMDEtMDIgMjA6MDU6NTAuNjE0IC0wODAwCk9TIFZlcnNpb246 ICAgICAxMC40LjggKEJ1aWxkIDhMMjEyNykKUmVwb3J0IFZlcnNpb246IDQKCkNvbW1hbmQ6IFNh ZmFyaQpQYXRoOiAgICAvQXBwbGljYXRpb25zL1NhZmFyaS5hcHAvQ29udGVudHMvTWFjT1MvU2Fm YXJpClBhcmVudDogIFdpbmRvd1NlcnZlciBbODJdCgpWZXJzaW9uOiA/Pz8gKDE4NTQxKQoKUElE OiAgICAyMzkxClRocmVhZDogMAoKRXhjZXB0aW9uOiAgRVhDX0JSRUFLUE9JTlQgKDB4MDAwNikK Q29kZVswXTogICAgMHgwMDAwMDAwMgpDb2RlWzFdOiAgICAweDAwMDAwMDAwCgoKVGhyZWFkIDAg Q3Jhc2hlZDoKMCAgIGxpYm9iamMuQS5keWxpYiAgICAgICAgICAJMHg5MGE1ZGIwOSBfb2JqY19l cnJvciArIDg2CjEgICBsaWJvYmpjLkEuZHlsaWIgICAgICAgICAgCTB4OTBhNWRiNDAgX19vYmpj 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