57042 2011-03-24 12:17:32 -0700 Float32Array(ArrayBuffer, index, length) constructor working incorrectly. 2011-07-26 17:53:40 -0700 1 1 1 Unclassified WebKit WebGL 528+ (Nightly build) PC OS X 10.5 RESOLVED FIXED P2 Normal --- 1 danceoffwithyourpantsoff kbr cmarrin kbr mdelaney7 zmo oldest_to_newest 372983 0 danceoffwithyourpantsoff 2011-03-24 12:17:32 -0700 new Float32Array(new ArrayBuffer(10), 0, 2) RangeError: ArrayBuffer length minus the byteOffset is not a multiple of the element size. Unless I am misunderstanding the spec, a Float32Array of length 2 should be 8 bytes, enough to fit, and everything should be aligned. 442645 1 102080 kbr 2011-07-26 17:27:24 -0700 Created attachment 102080 Patch 442650 2 102080 jamesr 2011-07-26 17:38:27 -0700 Comment on attachment 102080 Patch View in context: https://bugs.webkit.org/attachment.cgi?id=102080&action=review I think this is good, just have one question about signed-ness. > Source/WebCore/bindings/v8/custom/V8ArrayBufferViewCustom.h:65 > + length = (buf->byteLength() - offset) / sizeof(ElementType); What if offset is bigger than byteLength()? 442660 3 kbr 2011-07-26 17:49:52 -0700 (In reply to comment #2) > (From update of attachment 102080 [details]) > View in context: https://bugs.webkit.org/attachment.cgi?id=102080&action=review > > I think this is good, just have one question about signed-ness. > > > Source/WebCore/bindings/v8/custom/V8ArrayBufferViewCustom.h:65 > > + length = (buf->byteLength() - offset) / sizeof(ElementType); > > What if offset is bigger than byteLength()? This will be caught by other checks in the C++ code. I'll expand the test case to explicitly check this. 442662 4 kbr 2011-07-26 17:53:40 -0700 Committed r91803: <http://trac.webkit.org/changeset/91803> 102080 2011-07-26 17:27:24 -0700 2011-07-26 17:38:27 -0700 Patch bug-57042-20110726172723.patch text/plain 8839 kbr SW5kZXg6IFNvdXJjZS9XZWJDb3JlL0NoYW5nZUxvZwo9PT09PT09PT09PT09PT09PT09PT09PT09 PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09Ci0tLSBTb3VyY2UvV2Vi Q29yZS9DaGFuZ2VMb2cJKHJldmlzaW9uIDkxODAxKQorKysgU291cmNlL1dlYkNvcmUvQ2hhbmdl TG9nCSh3b3JraW5nIGNvcHkpCkBAIC0xLDMgKzEsMTUgQEAKKzIwMTEtMDctMjYgIEtlbm5ldGgg UnVzc2VsbCAgPGtickBnb29nbGUuY29tPgorCisgICAgICAgIEZsb2F0MzJBcnJheShBcnJheUJ1 ZmZlciwgaW5kZXgsIGxlbmd0aCkgY29uc3RydWN0b3Igd29ya2luZyBpbmNvcnJlY3RseS4KKyAg ICAgICAgaHR0cHM6Ly9idWdzLndlYmtpdC5vcmcvc2hvd19idWcuY2dpP2lkPTU3MDQyCisKKyAg ICAgICAgUmV2aWV3ZWQgYnkgTk9CT0RZIChPT1BTISkuCisKKyAgICAgICAgKiBiaW5kaW5ncy9q cy9KU0FycmF5QnVmZmVyVmlld0hlbHBlci5oOgorICAgICAgICAoV2ViQ29yZTo6Y29uc3RydWN0 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