196746 2019-04-09 15:02:04 -0700 We should clear m_needsOverflowCheck when hitting an exception in defineProperties in ObjectConstructor.cpp 2019-04-10 11:05:07 -0700 1 1 1 Unclassified WebKit JavaScriptCore WebKit Nightly Build Unspecified Unspecified RESOLVED FIXED InRadar P2 Normal --- 1 rmorisset rmorisset commit-queue ews-watchlist keith_miller mark.lam msaboff saam ysuzuki oldest_to_newest 1525770 0 rmorisset 2019-04-09 15:02:04 -0700 Currently we correctly do so when toPropertyDescriptor fails, but not when properties->get(exec, propertyNames[i]); does. This can turn an OOM into a crash, because of the check in ~MarkedArgumentBuffer. The fix is a trivial call to markBuffer.overflowCheckNotNeeded() on that path. 1525771 1 rmorisset 2019-04-09 15:02:21 -0700 rdar://problem/49555709 1525779 2 367074 rmorisset 2019-04-09 15:29:54 -0700 Created attachment 367074 Patch 1525780 3 ews-watchlist 2019-04-09 15:31:32 -0700 Attachment 367074 did not pass style-queue: ERROR: Source/JavaScriptCore/ChangeLog:8: Please consider whether the use of security-sensitive phrasing could help someone exploit WebKit: buffer overflow [changelog/unwantedsecurityterms] [3] ERROR: Source/JavaScriptCore/runtime/ObjectConstructor.cpp:614: Missing space before ( in while( [whitespace/parens] [5] Total errors found: 2 in 4 files If any of these errors are false positives, please file a bug against check-webkit-style. 1525838 4 367074 ysuzuki 2019-04-09 18:18:40 -0700 Comment on attachment 367074 Patch View in context: https://bugs.webkit.org/attachment.cgi?id=367074&action=review r=me with nit. > Source/JavaScriptCore/runtime/ObjectConstructor.cpp:620 > + RETURN_IF_EXCEPTION_CLEARING_OVERFLOW(jsNull()); We can use `{ }` instead of `jsNull()`. 1526010 5 367138 rmorisset 2019-04-10 10:47:16 -0700 Created attachment 367138 Patch for landing 1526018 6 367138 commit-queue 2019-04-10 11:05:06 -0700 Comment on attachment 367138 Patch for landing Clearing flags on attachment: 367138 Committed r244136: <https://trac.webkit.org/changeset/244136> 1526019 7 commit-queue 2019-04-10 11:05:07 -0700 All reviewed patches have been landed. Closing bug. 367074 2019-04-09 15:29:54 -0700 2019-04-10 10:47:16 -0700 Patch patch196746 text/plain 3856 rmorisset ZGlmZiAtLWdpdCBhL0pTVGVzdHMvQ2hhbmdlTG9nIGIvSlNUZXN0cy9DaGFuZ2VMb2cKaW5kZXgg ZTJmYTM2ZDA3NzMuLjcwZmY0MDg5MTVkIDEwMDY0NAotLS0gYS9KU1Rlc3RzL0NoYW5nZUxvZwor KysgYi9KU1Rlc3RzL0NoYW5nZUxvZwpAQCAtMSwzICsxLDEzIEBACisyMDE5LTA0LTA5ICBSb2Jp biBNb3Jpc3NldCAgPHJtb3Jpc3NldEBhcHBsZS5jb20+CisKKyAgICAgICAgV2Ugc2hvdWxkIGNs ZWFyIG1fbmVlZHNPdmVyZmxvd0NoZWNrIHdoZW4gaGl0dGluZyBhbiBleGNlcHRpb24gaW4gZGVm aW5lUHJvcGVydGllcyBpbiBPYmplY3RDb25zdHJ1Y3Rvci5jcHAKKyAgICAgICAgaHR0cHM6Ly9i dWdzLndlYmtpdC5vcmcvc2hvd19idWcuY2dpP2lkPTE5Njc0NgorCisgICAgICAgIFJldmlld2Vk IGJ5IE5PQk9EWSAoT09QUyEpLgorCisgICAgICAgICogc3RyZXNzL2N5Y2xpYy1kZWZpbmUtcHJv cGVydGllcy5qczogQWRkZWQuCisgICAgICAgIChmb28pOgorCiAyMDE5LTA0LTA5ICBTYWFtIGJh cmF0aSAgPHNiYXJhdGlAYXBwbGUuY29tPgogCiAgICAgICAgIENsZWFuIHVwIEludDUyIGNvZGUg YW5kIHNvbWUgYnVncyBpbiBpdApkaWZmIC0tZ2l0IGEvSlNUZXN0cy9zdHJlc3MvY3ljbGljLWRl 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