Bug 31429

Summary: crash when a transition is performed on a transform in GC
Product: WebKit Reporter: Isaiah <isaiah>
Component: CSSAssignee: Simon Fraser (smfr) <simon.fraser>
Status: RESOLVED FIXED    
Severity: Normal CC: mrowe, simon.fraser
Priority: P2    
Version: 420+   
Hardware: Mac   
OS: OS X 10.6   
Attachments:
Description Flags
a project that demonstrates this crash.
none
Crash log
none
Patch darin: review+

Isaiah
Reported 2009-11-12 13:11:57 PST
Created attachment 43092 [details] a project that demonstrates this crash. Crash when a CSS transition is run on a CSS transform in a GC supported or GC required build.
Attachments
a project that demonstrates this crash. (2.35 MB, application/zip)
2009-11-12 13:11 PST, Isaiah 		no flags
Details
Crash log (29.59 KB, text/plain)
2009-11-12 14:43 PST, Mark Rowe (bdash) 		no flags
Details
Patch (1.68 KB, patch)
2009-11-12 16:22 PST, Simon Fraser (smfr) 		darin: review+
DetailsFormatted DiffDiff
View All Add attachment proposed patch, testcase, etc.
Mark Rowe (bdash)
Comment 1 2009-11-12 14:43:57 PST
Created attachment 43101 [details] Crash log Thread 0 Crashed: Dispatch queue: com.apple.main-thread 0 com.apple.CoreFoundation 0x00007fff8399a788 CFRetain + 200 1 com.apple.QuartzCore 0x00007fff81c01a98 -[CALayer setSublayers:] + 486 2 com.apple.WebCore 0x0000000100acfcc1 WebCore::GraphicsLayerCA::updateSublayerList() + 433 (GraphicsLayerCA.mm:894) 3 com.apple.WebCore 0x0000000100ad61e8 WebCore::GraphicsLayerCA::commitLayerChanges() + 904 (GraphicsLayerCA.mm:805)
Simon Fraser (smfr)
Comment 2 2009-11-12 16:13:04 PST
The workaround is to turn off GC in your app, for now.
Simon Fraser (smfr)
Comment 3 2009-11-12 16:13:18 PST
<rdar://problem/7390716>
Simon Fraser (smfr)
Comment 4 2009-11-12 16:22:09 PST
Created attachment 43113 [details] Patch
Darin Adler
Comment 5 2009-11-12 16:33:19 PST
Comment on attachment 43113 [details] Patch I think it would be nice to be a little more explicit about what the bug is in the comment. Specifically, say that setSublayers:nil causes a crash.
Simon Fraser (smfr)
Comment 6 2009-11-12 16:45:11 PST
http://trac.webkit.org/changeset/50918
Note You need to log in before you can comment on or make changes to this bug.