187520 2018-07-10 08:42:03 -0700 hasOwnProperty returns true for out of bounds property index on TypedArray 2018-08-08 09:04:06 -0700 1 1 1 Unclassified WebKit JavaScriptCore Safari 11 Unspecified Unspecified RESOLVED FIXED InRadar P2 Normal --- 1 gfablima keith_miller commit-queue ews-watchlist fpizlo isol2 keith_miller mark.lam msaboff saam webkit-bug-importer ysuzuki oldest_to_newest 1440847 0 gfablima 2018-07-10 08:42:03 -0700 Hi everyone, I found an inconsistence in jsc when we try to get an invalid property in a TypedArray, in this case a Float32Array. Steps to reproduce: var a = new Float32Array([0.1, 0.2, 0.3]); print(Object.getOwnPropertyNames(a).sort()) var c = a.hasOwnProperty(3); if (c) throw new Error("Test failed"); Actual results: 0,1,2 Error: Test failed Expected results: 0,1,2 V8, SpiderMonkey and Chakra works as expected. OS: Ubuntu 16.04 x64 Version: 606.1.9.4 1441040 1 keith_miller 2018-07-10 17:33:40 -0700 Thanks for the bug report. Seems like a simple fix. 1441049 2 344738 keith_miller 2018-07-10 17:46:44 -0700 Created attachment 344738 Patch 1441062 3 344738 commit-queue 2018-07-10 18:28:42 -0700 Comment on attachment 344738 Patch Clearing flags on attachment: 344738 Committed r233718: <https://trac.webkit.org/changeset/233718> 1441063 4 commit-queue 2018-07-10 18:28:43 -0700 All reviewed patches have been landed. Closing bug. 1441064 5 webkit-bug-importer 2018-07-10 18:29:49 -0700 <rdar://problem/42051129> 1448763 6 isol2 2018-08-08 09:04:06 -0700 cinfuzz 344738 2018-07-10 17:46:44 -0700 2018-07-10 18:28:42 -0700 Patch bug-187520-20180710174641.patch text/plain 3764 keith_miller U3VidmVyc2lvbiBSZXZpc2lvbjogMjMzNjk4CmRpZmYgLS1naXQgYS9Tb3VyY2UvSmF2YVNjcmlw dENvcmUvQ2hhbmdlTG9nIGIvU291cmNlL0phdmFTY3JpcHRDb3JlL0NoYW5nZUxvZwppbmRleCA2 NThiM2UyYjk5NGJjNjljYTBhNTEyYmE2ODEzN2U1MDFhZjFmNWMyLi4wNWNiMGM1YTQ3YWZkMWU3 ZGNmYzJmNjVlNTI4ZDFhYmI4NGQyOTMwIDEwMDY0NAotLS0gYS9Tb3VyY2UvSmF2YVNjcmlwdENv cmUvQ2hhbmdlTG9nCisrKyBiL1NvdXJjZS9KYXZhU2NyaXB0Q29yZS9DaGFuZ2VMb2cKQEAgLTEs MyArMSwxMyBAQAorMjAxOC0wNy0xMCAgS2VpdGggTWlsbGVyICA8a2VpdGhfbWlsbGVyQGFwcGxl LmNvbT4KKworICAgICAgICBoYXNPd25Qcm9wZXJ0eSByZXR1cm5zIHRydWUgZm9yIG91dCBvZiBi b3VuZHMgcHJvcGVydHkgaW5kZXggb24gVHlwZWRBcnJheQorICAgICAgICBodHRwczovL2J1Z3Mu d2Via2l0Lm9yZy9zaG93X2J1Zy5jZ2k/aWQ9MTg3NTIwCisKKyAgICAgICAgUmV2aWV3ZWQgYnkg 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