47942 2010-10-19 15:51:17 -0700 REGRESSION(66391): http://ligth-arts.all-up.com/ crashes in EventHandler::selectCursor 2010-10-22 16:39:25 -0700 1 1 1 Unclassified WebKit New Bugs 528+ (Nightly build) PC OS X 10.5 RESOLVED FIXED http://ligth-arts.all-up.com P2 Normal --- 1 jamesr webkit-unassigned simon.fraser oldest_to_newest 296481 0 jamesr 2010-10-19 15:51:17 -0700 in EventHandler.cpp:1081 image is NULL. looks like the old code would continue if (!cimage) 296548 1 71231 jamesr 2010-10-19 17:04:40 -0700 Created attachment 71231 Patch 296549 2 jamesr 2010-10-19 17:07:09 -0700 This fixes the crashes, but it doesn't include a regression test as I'm not sure how to construct one. The null check in EventHandler.cpp is needed to avoid the crash on startup, the check in CSSComputedStyleDeclaration.cpp is needed so it doesn't crash when opening the inspector. The rest of the changes are by inspection. This doesn't appear to regress the existing manual tests. Any ideas on how to construct regression tests? I know very little about cursors. FYI this is one of the top 5 crashers in Chromium nightlies. 296556 3 simon.fraser 2010-10-19 17:22:31 -0700 The page in question has body { cursor: url(''), url('http://img715.imageshack.us/img715/4435/cur.png'), auto; } so we should be able to mimic this in a manual test. 298246 4 71608 jamesr 2010-10-22 16:28:21 -0700 Created attachment 71608 Patch 298252 5 71608 dglazkov 2010-10-22 16:35:54 -0700 Comment on attachment 71608 Patch yay! 298254 6 jamesr 2010-10-22 16:39:25 -0700 Committed r70365: <http://trac.webkit.org/changeset/70365> 71231 2010-10-19 17:04:40 -0700 2010-10-22 16:28:17 -0700 Patch bug-47942-20101019170439.patch text/plain 4728 jamesr ZGlmZiAtLWdpdCBhL1dlYkNvcmUvQ2hhbmdlTG9nIGIvV2ViQ29yZS9DaGFuZ2VMb2cKaW5kZXgg M2I2NmY4M2FhODQ2NjEzNWMyZjIxYWY4NTU5OGIwODljMTIzOWYwYy4uZGU4YTk5N2Q1ZjQ5Y2E5 MTQ0MDI1ZDc4OGMwYmQ5OTY1MDg1NzFiMSAxMDA2NDQKLS0tIGEvV2ViQ29yZS9DaGFuZ2VMb2cK KysrIGIvV2ViQ29yZS9DaGFuZ2VMb2cKQEAgLTEsMyArMSwyMSBAQAorMjAxMC0xMC0xOSAgSmFt 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