11760 2006-12-05 11:39:13 -0800 Animated GIFs with offsets crash WebKit 2006-12-18 15:42:20 -0800 1 1 1 Unclassified WebKit Images 420+ All Windows XP RESOLVED FIXED http://images.strategyinformer.com/u3/6644/00169596.gif P1 Normal --- 0 occupant4 webkit-unassigned ddkilzer hyatt oldest_to_newest 43170 0 occupant4 2006-12-05 11:39:13 -0800 WebKit crashes when decoding an animated GIF that contains a frame with a nonzero X offset. 43171 1 11742 occupant4 2006-12-05 11:41:51 -0800 Created attachment 11742 proposed patch 43127 2 ddkilzer 2006-12-06 03:11:08 -0800 The image at the URL above appears to work for me without crashing using a locally-built debug build of r18014. Please post a stack trace if you get a crash. 43086 3 ap 2006-12-06 09:06:27 -0800 I think that's because WebKit uses ImageIO on Mac OS X, rather than the built-in decoders. 43081 4 ddkilzer 2006-12-06 11:14:03 -0800 (In reply to comment #3) > I think that's because WebKit uses ImageIO on Mac OS X, rather than the > built-in decoders. My bad--didn't notice this happened on Win XP. 43058 5 11757 occupant4 2006-12-06 13:06:41 -0800 Created attachment 11757 better patch with layout test This patch fixes another buffer overflow that I missed in the first patch. Also, this also corrects the way frames are composited in animating GIFs. 42947 6 11757 mjs 2006-12-07 15:37:21 -0800 Comment on attachment 11757 better patch with layout test r=me 41300 7 mrowe 2006-12-18 15:42:20 -0800 Landed in r18289. Dex, can you please be wary of using tabs in changelog entries? Thanks very much for the fix! 11742 2006-12-05 11:41:51 -0800 2006-12-05 16:08:30 -0800 proposed patch gif.patch text/plain 1438 occupant4 SW5kZXg6IFdlYkNvcmUvQ2hhbmdlTG9nCj09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09 PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT0KLS0tIFdlYkNvcmUvQ2hhbmdlTG9n CShyZXZpc2lvbiAxODAyNSkKKysrIFdlYkNvcmUvQ2hhbmdlTG9nCSh3b3JraW5nIGNvcHkpCkBA IC0xLDMgKzEsMTIgQEAKKzIwMDYtMTItMDUgIERleCBEZWFjb24gIDxvY2N1cGFudDRAZ21haWwu Y29tPgorCisgICAgICAgIFJldmlld2VkIGJ5IE5PQk9EWSAoT09QUyEpLgorCisJQ3Jhc2ggZml4 IGZvciBhbmltYXRlZCBHSUZzIHdpdGggZnJhbWVzIHRoYXQgaGF2ZSBhIG5vbnplcm8gWCBvZmZz ZXQuCisKKyAgICAgICAgKiBwbGF0Zm9ybS9pbWFnZS1kZWNvZGVycy9naWYvR0lGSW1hZ2VEZWNv ZGVyLmNwcDoKKyAgICAgICAgKFdlYkNvcmU6OkdJRkltYWdlRGVjb2Rlcjo6aGF2ZURlY29kZWRS b3cpOgorCiAyMDA2LTEyLTA1ICBBbmRlcnMgQ2FybHNzb24gIDxhY2FybHNzb25AYXBwbGUuY29t PgogCiAgICAgICAgIFJldmlld2VkIGJ5IEJyYWR5LCBEYXJpbi4KSW5kZXg6IFdlYkNvcmUvcGxh dGZvcm0vaW1hZ2UtZGVjb2RlcnMvZ2lmL0dJRkltYWdlRGVjb2Rlci5jcHAKPT09PT09PT09PT09 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