[Webkit-unassigned] [Bug 89113] New: [Texmap] SIGSEV in WebCore::TextureMapperGL::drawTexture

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Thu Jun 14 11:38:15 PDT 2012 

https://bugs.webkit.org/show_bug.cgi?id=89113

           Summary: [Texmap] SIGSEV in
                    WebCore::TextureMapperGL::drawTexture
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
               URL: http://www.satine.org/research/webkit/snowleopard/snow
                    stack.html
        OS/Version: Unspecified
            Status: NEW
          Severity: Critical
          Priority: P2
         Component: Layout and Rendering
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: svillar at igalia.com


Steps to reproduce:

1- go to the URL mentioned above (needs accelerated compositing turned on)
2- click and hold the left arrow key to move to the right
3- WK crashes

This is the backtrace:

Program received signal SIGSEGV, Segmentation fault.
0x00007ffff47c55f6 in WebCore::TextureMapperGL::drawTexture (this=0xbafe10, texture=..., targetRect=..., matrix=..., opacity=1, mask=0x0) at ../../Source/WebCore/platform/graphics/texmap/TextureMapperGL.cpp:363
363        if (!texture.isValid())
(gdb) bt
#0  0x00007ffff47c55f6 in WebCore::TextureMapperGL::drawTexture (this=0xbafe10, texture=..., targetRect=..., matrix=..., opacity=1, mask=0x0) at ../../Source/WebCore/platform/graphics/texmap/TextureMapperGL.cpp:363
#1  0x00007ffff47d7435 in WebCore::TextureMapperTile::paint (this=0x1d33280, textureMapper=0xbafe10, transform=..., opacity=1, mask=0x0) at ../../Source/WebCore/platform/graphics/texmap/TextureMapperBackingStore.cpp:92
#2  0x00007ffff47d7668 in WebCore::TextureMapperTiledBackingStore::paintToTextureMapper (this=0x1b2f360, textureMapper=0xbafe10, targetRect=..., transform=..., opacity=1, mask=0x0) at ../../Source/WebCore/platform/graphics/texmap/TextureMapperBackingStore.cpp:115
#3  0x00007ffff47db38b in WebCore::TextureMapperLayer::paintSelf (this=0x1ab72a0, options=...) at ../../Source/WebCore/platform/graphics/texmap/TextureMapperLayer.cpp:167
#4  0x00007ffff47db505 in WebCore::TextureMapperLayer::paintSelfAndChildren (this=0x1ab72a0, options=...) at ../../Source/WebCore/platform/graphics/texmap/TextureMapperLayer.cpp:187
#5  0x00007ffff47dbe22 in WebCore::TextureMapperLayer::paintSelfAndChildrenWithReplica (this=0x1ab72a0, options=...) at ../../Source/WebCore/platform/graphics/texmap/TextureMapperLayer.cpp:309
#6  0x00007ffff47dbf83 in WebCore::TextureMapperLayer::paintRecursive (this=0x1ab72a0, options=...) at ../../Source/WebCore/platform/graphics/texmap/TextureMapperLayer.cpp:355
#7  0x00007ffff47db688 in WebCore::TextureMapperLayer::paintSelfAndChildren (this=0x1b2ce90, options=...) at ../../Source/WebCore/platform/graphics/texmap/TextureMapperLayer.cpp:197
#8  0x00007ffff47dbe22 in WebCore::TextureMapperLayer::paintSelfAndChildrenWithReplica (this=0x1b2ce90, options=...) at ../../Source/WebCore/platform/graphics/texmap/TextureMapperLayer.cpp:309
#9  0x00007ffff47dbf83 in WebCore::TextureMapperLayer::paintRecursive (this=0x1b2ce90, options=...) at ../../Source/WebCore/platform/graphics/texmap/TextureMapperLayer.cpp:355
#10 0x00007ffff47db688 in WebCore::TextureMapperLayer::paintSelfAndChildren (this=0xb80560, options=...) at ../../Source/WebCore/platform/graphics/texmap/TextureMapperLayer.cpp:197
#11 0x00007ffff47dbe22 in WebCore::TextureMapperLayer::paintSelfAndChildrenWithReplica (this=0xb80560, options=...) at ../../Source/WebCore/platform/graphics/texmap/TextureMapperLayer.cpp:309
#12 0x00007ffff47dbf83 in WebCore::TextureMapperLayer::paintRecursive (this=0xb80560, options=...) at ../../Source/WebCore/platform/graphics/texmap/TextureMapperLayer.cpp:355
#13 0x00007ffff47db688 in WebCore::TextureMapperLayer::paintSelfAndChildren (this=0xb7bcb0, options=...) at ../../Source/WebCore/platform/graphics/texmap/TextureMapperLayer.cpp:197
#14 0x00007ffff47dbe22 in WebCore::TextureMapperLayer::paintSelfAndChildrenWithReplica (this=0xb7bcb0, options=...) at ../../Source/WebCore/platform/graphics/texmap/TextureMapperLayer.cpp:309
#15 0x00007ffff47dbf83 in WebCore::TextureMapperLayer::paintRecursive (this=0xb7bcb0, options=...) at ../../Source/WebCore/platform/graphics/texmap/TextureMapperLayer.cpp:355
#16 0x00007ffff47db688 in WebCore::TextureMapperLayer::paintSelfAndChildren (this=0x1b18560, options=...) at ../../Source/WebCore/platform/graphics/texmap/TextureMapperLayer.cpp:197
#17 0x00007ffff47dbe22 in WebCore::TextureMapperLayer::paintSelfAndChildrenWithReplica (this=0x1b18560, options=...) at ../../Source/WebCore/platform/graphics/texmap/TextureMapperLayer.cpp:309
#18 0x00007ffff47dbf83 in WebCore::TextureMapperLayer::paintRecursive (this=0x1b18560, options=...) at ../../Source/WebCore/platform/graphics/texmap/TextureMapperLayer.cpp:355
#19 0x00007ffff47db688 in WebCore::TextureMapperLayer::paintSelfAndChildren (this=0xd4b6f0, options=...) at ../../Source/WebCore/platform/graphics/texmap/TextureMapperLayer.cpp:197
#20 0x00007ffff47dbe22 in WebCore::TextureMapperLayer::paintSelfAndChildrenWithReplica (this=0xd4b6f0, options=...) at ../../Source/WebCore/platform/graphics/texmap/TextureMapperLayer.cpp:309
#21 0x00007ffff47dbf83 in WebCore::TextureMapperLayer::paintRecursive (this=0xd4b6f0, options=...) at ../../Source/WebCore/platform/graphics/texmap/TextureMapperLayer.cpp:355
#22 0x00007ffff47db688 in WebCore::TextureMapperLayer::paintSelfAndChildren (this=0xaed5a0, options=...) at ../../Source/WebCore/platform/graphics/texmap/TextureMapperLayer.cpp:197
#23 0x00007ffff47dbe22 in WebCore::TextureMapperLayer::paintSelfAndChildrenWithReplica (this=0xaed5a0, options=...) at ../../Source/WebCore/platform/graphics/texmap/TextureMapperLayer.cpp:309
#24 0x00007ffff47dbf83 in WebCore::TextureMapperLayer::paintRecursive (this=0xaed5a0, options=...) at ../../Source/WebCore/platform/graphics/texmap/TextureMapperLayer.cpp:355
#25 0x00007ffff47db688 in WebCore::TextureMapperLayer::paintSelfAndChildren (this=0xdf00a0, options=...) at ../../Source/WebCore/platform/graphics/texmap/TextureMapperLayer.cpp:197
#26 0x00007ffff47dbe22 in WebCore::TextureMapperLayer::paintSelfAndChildrenWithReplica (this=0xdf00a0, options=...) at ../../Source/WebCore/platform/graphics/texmap/TextureMapperLayer.cpp:309
#27 0x00007ffff47dbf83 in WebCore::TextureMapperLayer::paintRecursive (this=0xdf00a0, options=...) at ../../Source/WebCore/platform/graphics/texmap/TextureMapperLayer.cpp:355
#28 0x00007ffff47db688 in WebCore::TextureMapperLayer::paintSelfAndChildren (this=0xdf9780, options=...) at ../../Source/WebCore/platform/graphics/texmap/TextureMapperLayer.cpp:197
#29 0x00007ffff47dbe22 in WebCore::TextureMapperLayer::paintSelfAndChildrenWithReplica (this=0xdf9780, options=...) at ../../Source/WebCore/platform/graphics/texmap/TextureMapperLayer.cpp:309
#30 0x00007ffff47dbf83 in WebCore::TextureMapperLayer::paintRecursive (this=0xdf9780, options=...) at ../../Source/WebCore/platform/graphics/texmap/TextureMapperLayer.cpp:355
#31 0x00007ffff47db688 in WebCore::TextureMapperLayer::paintSelfAndChildren (this=0xdf90e0, options=...) at ../../Source/WebCore/platform/graphics/texmap/TextureMapperLayer.cpp:197
#32 0x00007ffff47dbe22 in WebCore::TextureMapperLayer::paintSelfAndChildrenWithReplica (this=0xdf90e0, options=...) at ../../Source/WebCore/platform/graphics/texmap/TextureMapperLayer.cpp:309
#33 0x00007ffff47dbf83 in WebCore::TextureMapperLayer::paintRecursive (this=0xdf90e0, options=...) at ../../Source/WebCore/platform/graphics/texmap/TextureMapperLayer.cpp:355
#34 0x00007ffff47db688 in WebCore::TextureMapperLayer::paintSelfAndChildren (this=0xdf0740, options=...) at ../../Source/WebCore/platform/graphics/texmap/TextureMapperLayer.cpp:197
#35 0x00007ffff47dbe22 in WebCore::TextureMapperLayer::paintSelfAndChildrenWithReplica (this=0xdf0740, options=...) at ../../Source/WebCore/platform/graphics/texmap/TextureMapperLayer.cpp:309
#36 0x00007ffff47dbf83 in WebCore::TextureMapperLayer::paintRecursive (this=0xdf0740, options=...) at ../../Source/WebCore/platform/graphics/texmap/TextureMapperLayer.cpp:355
#37 0x00007ffff47db688 in WebCore::TextureMapperLayer::paintSelfAndChildren (this=0xdf9e20, options=...) at ../../Source/WebCore/platform/graphics/texmap/TextureMapperLayer.cpp:197
#38 0x00007ffff47dbe22 in WebCore::TextureMapperLayer::paintSelfAndChildrenWithReplica (this=0xdf9e20, options=...) at ../../Source/WebCore/platform/graphics/texmap/TextureMapperLayer.cpp:309
#39 0x00007ffff47dbf83 in WebCore::TextureMapperLayer::paintRecursive (this=0xdf9e20, options=...) at ../../Source/WebCore/platform/graphics/texmap/TextureMapperLayer.cpp:355
#40 0x00007ffff47db1a3 in WebCore::TextureMapperLayer::paint (this=0xdf9e20) at ../../Source/WebCore/platform/graphics/texmap/TextureMapperLayer.cpp:152
#41 0x00007ffff38d65d9 in WebKit::AcceleratedCompositingContext::renderLayersToWindow (this=0x5e0df0, clipRect=...) at ../../Source/WebKit/gtk/WebCoreSupport/AcceleratedCompositingContextGL.cpp:100
#42 0x00007ffff38d6b54 in WebKit::AcceleratedCompositingContext::syncLayersTimeout (this=0x5e0df0) at ../../Source/WebKit/gtk/WebCoreSupport/AcceleratedCompositingContextGL.cpp:192
#43 0x00007ffff38d6a3c in WebKit::syncLayersTimeoutCallback (context=0x5e0df0) at ../../Source/WebKit/gtk/WebCoreSupport/AcceleratedCompositingContextGL.cpp:163

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