213395 2020-06-19 11:41:12 -0700 Make $vm properties non-configurable, non-enumerable, and non-writable. 2020-06-23 12:00:26 -0700 1 1 1 Unclassified WebKit JavaScriptCore WebKit Nightly Build Unspecified Unspecified RESOLVED FIXED InRadar P2 Normal --- 1 mark.lam mark.lam ews-watchlist keith_miller msaboff saam tzagallo webkit-bug-importer ysuzuki oldest_to_newest 1664436 0 mark.lam 2020-06-19 11:41:12 -0700 ... 1664438 1 402300 mark.lam 2020-06-19 11:43:30 -0700 Created attachment 402300 proposed patch. 1664446 2 402300 saam 2020-06-19 11:59:17 -0700 Comment on attachment 402300 proposed patch. View in context: https://bugs.webkit.org/attachment.cgi?id=402300&action=review > Source/JavaScriptCore/ChangeLog:3 > + Make $vm properties non-configurable, non-enumerable, and non-writable. say why 1664449 3 402300 ysuzuki 2020-06-19 12:01:49 -0700 Comment on attachment 402300 proposed patch. r=me. Can we have a test that ensures Object.keys for $vm does not contain interesting keys? 1664496 4 402320 mark.lam 2020-06-19 13:55:12 -0700 Created attachment 402320 patch for landing. 1664500 5 mark.lam 2020-06-19 14:01:05 -0700 Thanks for the reviews. Landed in r263283: <http://trac.webkit.org/r263283>. 1664501 6 webkit-bug-importer 2020-06-19 14:02:17 -0700 <rdar://problem/64544350> 1664502 7 webkit-bug-importer 2020-06-19 14:02:17 -0700 <rdar://problem/64544351> 1665451 8 mark.lam 2020-06-23 11:09:26 -0700 <rdar://problem/64544350> 1665488 9 keith_miller 2020-06-23 12:00:26 -0700 Why don't we just freeze $vm? 402300 2020-06-19 11:43:30 -0700 2020-06-19 13:55:12 -0700 proposed patch. bug-213395.patch text/plain 4512 mark.lam SW5kZXg6IFNvdXJjZS9KYXZhU2NyaXB0Q29yZS9DaGFuZ2VMb2cKPT09PT09PT09PT09PT09PT09 PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PQotLS0gU291 cmNlL0phdmFTY3JpcHRDb3JlL0NoYW5nZUxvZwkocmV2aXNpb24gMjYzMjc3KQorKysgU291cmNl L0phdmFTY3JpcHRDb3JlL0NoYW5nZUxvZwkod29ya2luZyBjb3B5KQpAQCAtMSwzICsxLDE1IEBA CisyMDIwLTA2LTE5ICBNYXJrIExhbSAgPG1hcmsubGFtQGFwcGxlLmNvbT4KKworICAgICAgICBN YWtlICR2bSBwcm9wZXJ0aWVzIG5vbi1jb25maWd1cmFibGUsIG5vbi1lbnVtZXJhYmxlLCBhbmQg 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