232024 2021-10-20 11:11:03 -0700 Add missing overflow checks to DFGIntegerRangeOptimizationPhase::isEquivalentTo() 2022-02-27 23:24:58 -0800 1 1 1 Unclassified WebKit JavaScriptCore WebKit Nightly Build Unspecified Unspecified RESOLVED FIXED InRadar P2 Normal --- 1 msaboff msaboff ews-watchlist keith_miller mark.lam saam tzagallo webkit-bug-importer oldest_to_newest 1806707 0 msaboff 2021-10-20 11:11:03 -0700 In isEquivalentTo() we should check for overflow when adding offsets. bool isEquivalentTo(const Relationship& other) const { ... if (m_right->isInt32Constant() && other.m_right->isInt32Constant()) { return (thisRight + m_offset) == (otherRight + other.m_offset); } ... } 1806713 1 441903 msaboff 2021-10-20 11:20:12 -0700 Created attachment 441903 Patch with mini-mode fix. 1806716 2 441903 tzagallo 2021-10-20 11:21:37 -0700 Comment on attachment 441903 Patch with mini-mode fix. r=me 1806718 3 msaboff 2021-10-20 11:23:31 -0700 <rdar://84329018> 1806719 4 msaboff 2021-10-20 11:24:28 -0700 Ignore the "mini-mode" comment - It was auto filled from Safari. 1806727 5 441903 mark.lam 2021-10-20 11:30:04 -0700 Comment on attachment 441903 Patch with mini-mode fix. View in context: https://bugs.webkit.org/attachment.cgi?id=441903&action=review > Source/JavaScriptCore/ChangeLog:8 > + Added overflow chaeck before comparing for equality. typo: chaeck 1806729 6 msaboff 2021-10-20 11:30:47 -0700 (In reply to Mark Lam from comment #5) > Comment on attachment 441903 [details] > Patch with mini-mode fix. > > View in context: > https://bugs.webkit.org/attachment.cgi?id=441903&action=review > > > Source/JavaScriptCore/ChangeLog:8 > > + Added overflow chaeck before comparing for equality. > > typo: chaeck Will fix. 1806859 7 msaboff 2021-10-20 14:45:18 -0700 Committed r284573 (243313@main): <https://commits.webkit.org/243313@main> 441903 2021-10-20 11:20:12 -0700 2022-02-27 23:24:58 -0800 Patch with mini-mode fix. 232024.patch text/plain 1738 msaboff SW5kZXg6IFNvdXJjZS9KYXZhU2NyaXB0Q29yZS9DaGFuZ2VMb2cKPT09PT09PT09PT09PT09PT09 PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PQotLS0gU291 cmNlL0phdmFTY3JpcHRDb3JlL0NoYW5nZUxvZwkocmV2aXNpb24gMjg0NTUwKQorKysgU291cmNl L0phdmFTY3JpcHRDb3JlL0NoYW5nZUxvZwkod29ya2luZyBjb3B5KQpAQCAtMSwzICsxLDE0IEBA CisyMDIxLTEwLTIwICBNaWNoYWVsIFNhYm9mZiAgPG1zYWJvZmZAYXBwbGUuY29tPgorCisgICAg ICAgIEFkZCBtaXNzaW5nIG92ZXJmbG93IGNoZWNrcyB0byBERkdJbnRlZ2VyUmFuZ2VPcHRpbWl6 YXRpb25QaGFzZTo6aXNFcXVpdmFsZW50VG8oKQorICAgICAgICBodHRwczovL2J1Z3Mud2Via2l0 Lm9yZy9zaG93X2J1Zy5jZ2k/aWQ9MjMyMDI0CisKKyAgICAgICAgUmV2aWV3ZWQgYnkgTk9CT0RZ IChPT1BTISkuCisKKyAgICAgICAgQWRkZWQgb3ZlcmZsb3cgY2hhZWNrIGJlZm9yZSBjb21wYXJp bmcgZm9yIGVxdWFsaXR5LgorCisgICAgICAgICogZGZnL0RGR0ludGVnZXJSYW5nZU9wdGltaXph dGlvblBoYXNlLmNwcDoKKwogMjAyMS0xMC0yMCAgTWljaGFlbCBDYXRhbnphcm8gIDxtY2F0YW56 YXJvQGdub21lLm9yZz4KIAogICAgICAgICBEbyBub3QgdXNlIHN0cmVycm9yKCkKSW5kZXg6IFNv dXJjZS9KYXZhU2NyaXB0Q29yZS9kZmcvREZHSW50ZWdlclJhbmdlT3B0aW1pemF0aW9uUGhhc2Uu Y3BwCj09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09 PT09PT09PT09PT09PT0KLS0tIFNvdXJjZS9KYXZhU2NyaXB0Q29yZS9kZmcvREZHSW50ZWdlclJh bmdlT3B0aW1pemF0aW9uUGhhc2UuY3BwCShyZXZpc2lvbiAyODQ1NTApCisrKyBTb3VyY2UvSmF2 YVNjcmlwdENvcmUvZGZnL0RGR0ludGVnZXJSYW5nZU9wdGltaXphdGlvblBoYXNlLmNwcAkod29y a2luZyBjb3B5KQpAQCAtMjI4LDggKzIyOCwxNyBAQCBwdWJsaWM6CiAgICAgICAgIGlmICgqdGhp cyA9PSBvdGhlcikKICAgICAgICAgICAgIHJldHVybiB0cnVlOwogCi0gICAgICAgIGlmIChtX3Jp Z2h0LT5pc0ludDMyQ29uc3RhbnQoKSAmJiBvdGhlci5tX3JpZ2h0LT5pc0ludDMyQ29uc3RhbnQo KSkKLSAgICAgICAgICAgIHJldHVybiAobV9yaWdodC0+YXNJbnQzMigpICsgbV9vZmZzZXQpID09 IChvdGhlci5tX3JpZ2h0LT5hc0ludDMyKCkgKyBvdGhlci5tX29mZnNldCk7CisgICAgICAgIGlm IChtX3JpZ2h0LT5pc0ludDMyQ29uc3RhbnQoKSAmJiBvdGhlci5tX3JpZ2h0LT5pc0ludDMyQ29u c3RhbnQoKSkgeworICAgICAgICAgICAgaW50IHRoaXNSaWdodCA9IG1fcmlnaHQtPmFzSW50MzIo KTsKKyAgICAgICAgICAgIGludCBvdGhlclJpZ2h0ID0gb3RoZXIubV9yaWdodC0+YXNJbnQzMigp OworCisgICAgICAgICAgICBpZiAoc3VtT3ZlcmZsb3dzPGludD4odGhpc1JpZ2h0LCBtX29mZnNl dCkpCisgICAgICAgICAgICAgICAgcmV0dXJuIGZhbHNlOworICAgICAgICAgICAgaWYgKHN1bU92 ZXJmbG93czxpbnQ+KG90aGVyUmlnaHQsIG90aGVyLm1fb2Zmc2V0KSkKKyAgICAgICAgICAgICAg ICByZXR1cm4gZmFsc2U7CisKKyAgICAgICAgICAgIHJldHVybiAodGhpc1JpZ2h0ICsgbV9vZmZz ZXQpID09IChvdGhlclJpZ2h0ICsgb3RoZXIubV9vZmZzZXQpOworICAgICAgICB9CiAgICAgICAg IHJldHVybiBmYWxzZTsKICAgICB9CiAgICAgCg==