26402 2009-06-15 03:56:39 -0700 Accessing attributes of an object created with "document.implementation.createDocumentType" causes NULL pointers 2019-02-06 09:03:24 -0800 1 1 1 Unclassified WebKit DOM 528+ (Nightly build) All All RESOLVED FIXED http://skypher.com/SkyLined/Repro/WebKit/Bug%2026402%20-%20Accessing%20attributes%20of%20an%20object%20created%20with%20%22document.implementation.createDocumentType%22%20causes%20NULL%20pointers/repro.html GoogleBug, InRadar P1 Normal --- 1 skylined ap ap cdumez dglazkov eric skylined viapanda oldest_to_newest 125921 0 skylined 2009-06-15 03:56:39 -0700 Accessing properties/calling methods of an object created with "document.implementation.createDocumentType" causes NULL pointer exceptions. Repro: <SCRIPT> o = document.implementation.createDocumentType('x'); for (i in o) { try { o[i]; } catch (e) {} try { o[i](); } catch (e) {} } </SCRIPT> 125922 1 skylined 2009-06-15 03:59:37 -0700 Added lin to repro 125923 2 skylined 2009-06-15 04:01:31 -0700 Chromium bug: http://code.google.com/p/chromium/issues/detail?id=14091 126423 3 ap 2009-06-17 01:56:39 -0700 I'm sure there are more issues with DOM code not expecting that Node::document() can return NULL, because it's so rare. 139436 4 viapanda 2009-08-12 11:14:04 -0700 If I understand well http://www.w3.org/TR/2000/REC-DOM-Level-2-Core-20001113/core.html there is only two cases where Node::document() would be null: * with a document * with a not yet attached documentType If the former, nothing you can access in javascript do crash. If the latter, the following will crash: * Node::childNodes (because of document()->addNodeListCache()) * Node::addEventListener (because of !document->attached()) * Node::removeEventListener And nothing else. Hope that helps... 139437 5 eric 2009-08-12 11:17:12 -0700 I feel like I've seen a dupe of this... possibly even worked on a dupe of this. 139438 6 ap 2009-08-12 11:20:16 -0700 <rdar://problem/7137337> 144650 7 39021 ap 2009-09-03 17:23:04 -0700 Created attachment 39021 proposed fix (In reply to comment #4) > Hope that helps... Thanks, it definitely helped! 144724 8 39021 eric 2009-09-04 00:35:51 -0700 Comment on attachment 39021 proposed fix Seems this could caus trouble: 59 Name: svn:eol-style 610 + native 144725 9 39021 eric 2009-09-04 00:37:27 -0700 Comment on attachment 39021 proposed fix Otherwise this looks fine. V8 changes will likely be needed eventually, but someone else can figure those out. 144827 10 ap 2009-09-04 09:35:35 -0700 Committed <http://trac.webkit.org/changeset/48055>. (In reply to comment #8) > Seems this could caus trouble: > 59 Name: svn:eol-style > 610 + native Will it? Almost all of my patches in the recent years had this. 144993 11 eric 2009-09-05 01:30:15 -0700 Is run-webkit-tests/DumpRenderTree smart enough to handle expected results with non-unix line endings? 145036 12 ap 2009-09-05 23:06:12 -0700 No idea, I don't have any setup that would use non-Unix line endings. I think the right question is - did this (*-expected.txt file line ending style) ever cause problems before? 147833 13 dglazkov 2009-09-17 10:26:30 -0700 V8 bindings fix coming up. 147835 14 39704 dglazkov 2009-09-17 10:27:51 -0700 Created attachment 39704 Fix detached doctype crashes, v1. WebCore/ChangeLog | 14 ++++++++++++++ WebCore/bindings/v8/V8DOMWrapper.cpp | 6 +++++- 2 files changed, 19 insertions(+), 1 deletions(-) 147874 15 39704 eric 2009-09-17 11:57:10 -0700 Comment on attachment 39704 Fix detached doctype crashes, v1. LGTM. We probably should have used a separate bug for this. :) 147879 16 dglazkov 2009-09-17 12:06:35 -0700 Landed as http://trac.webkit.org/changeset/48480. 147889 17 dglazkov 2009-09-17 12:20:51 -0700 Landed as http://trac.webkit.org/changeset/48480. 1502960 18 lforschler 2019-02-06 09:03:24 -0800 Mass moving XML DOM bugs to the "DOM" Component. 39021 2009-09-03 17:23:04 -0700 2009-09-04 00:37:27 -0700 proposed fix DocumentType.txt text/plain 6722 ap SW5kZXg6IFdlYkNvcmUvQ2hhbmdlTG9nCj09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09 PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT0KLS0tIFdlYkNvcmUvQ2hhbmdlTG9n CShyZXZpc2lvbiA0ODAzNikKKysrIFdlYkNvcmUvQ2hhbmdlTG9nCSh3b3JraW5nIGNvcHkpCkBA IC0xLDMgKzEsMzAgQEAKKzIwMDktMDktMDMgIEFsZXhleSBQcm9za3VyeWFrb3YgIDxhcEBhcHBs ZS5jb20+CisKKyAgICAgICAgUmV2aWV3ZWQgYnkgTk9CT0RZIChPT1BTISkuCisKKyAgICAgICAg aHR0cHM6Ly9idWdzLndlYmtpdC5vcmcvc2hvd19idWcuY2dpP2lkPTI2NDAyCisgICAgICAgIENy YXNoZXMgd2hlbiB1c2luZyBhIGRldGFjaGVkIERvY3VtZW50VHlwZSBub2RlCisKKyAgICAgICAg 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