[Webkit-unassigned] [Bug 197293] New: [GTK] Crash in CoordinatedBackingStore::paintToTextureMapper
bugzilla-daemon at webkit.org
bugzilla-daemon at webkit.org
Thu Apr 25 14:07:47 PDT 2019
https://bugs.webkit.org/show_bug.cgi?id=197293
Bug ID: 197293
Summary: [GTK] Crash in
CoordinatedBackingStore::paintToTextureMapper
Product: WebKit
Version: WebKit Nightly Build
Hardware: PC
OS: Linux
Status: NEW
Severity: Normal
Priority: P2
Component: WebKitGTK
Assignee: webkit-unassigned at lists.webkit.org
Reporter: mcatanzaro at igalia.com
CC: bugs-noreply at webkitgtk.org
Created attachment 368267
--> https://bugs.webkit.org/attachment.cgi?id=368267&action=review
Full backtrace
Reporter says:
"""
1. Browse https://montclair.line72.net in epiphany-3.30.2-2
2. Select several routes on the left
3. Let run for 15 minutes
I can reliably reproduce this.
Everything worked fine until I updated webkit2gtk3 last week and now this site reliably crashes epiphany.
"""
That means it's probably a regression from 2.24.1. Sadly there were a lot of coordinated graphics merges and therefore a lot of suspects: r242266, r242199, r242205, r242346, r242364, r242597, r242771, r243475, r243796. Wouldn't be surprising if one of those turns out to be to blame.
Truncated backtrace:
Thread no. 1 (10 frames)
#0 WTF::RefCountedBase::ref at DerivedSources/ForwardingHeaders/wtf/RefCounted.h:46
#1 WTF::refIfNotNull<WebCore::BitmapTexture> at DerivedSources/ForwardingHeaders/wtf/RefPtr.h:38
#2 WTF::RefPtr<WebCore::BitmapTexture, WTF::DumbPtrTraits<WebCore::BitmapTexture> >::RefPtr at DerivedSources/ForwardingHeaders/wtf/RefPtr.h:58
#3 WebCore::TextureMapperTile::texture at ../Source/WebCore/platform/graphics/texmap/TextureMapperTile.h:34
#4 WebCore::CoordinatedBackingStore::paintToTextureMapper at ../Source/WebCore/platform/graphics/texmap/coordinated/CoordinatedBackingStore.cpp:115
#5 WebCore::TextureMapperLayer::paintSelf at ../Source/WebCore/platform/graphics/texmap/TextureMapperLayer.cpp:165
#6 WebCore::TextureMapperLayer::paintSelfAndChildren at ../Source/WebCore/platform/graphics/texmap/TextureMapperLayer.cpp:180
#7 WebCore::TextureMapperLayer::paintSelfAndChildrenWithReplica at ../Source/WebCore/platform/graphics/texmap/TextureMapperLayer.cpp:243
#8 WebCore::TextureMapperLayer::paintRecursive at ../Source/WebCore/platform/graphics/texmap/TextureMapperLayer.cpp:443
#9 WebCore::TextureMapperLayer::paintSelfAndChildren at ../Source/WebCore/platform/graphics/texmap/TextureMapperLayer.cpp:203
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