1973700 - Crash in [@ mozilla::wr::DisplayListBuilder::PushStackingContext] with family 6 model 183 stepping 1

Status: NEW

(Core :: Web Painting, defect)

Description

[BugBot [:suhaib / :marco]]

Crash report: https://crash-stats.mozilla.org/report/index/b8fdfa97-1270-400b-87d3-c83660250529

Reason: EXCEPTION_ACCESS_VIOLATION_READ

Top 10 frames of crashing thread:

0  xul.dll  nsTArray_base<nsTArrayInfallibleAllocator, nsTArray_RelocateUsingMemutils>::Length const  xpcom/ds/nsTArray.h:1205
0  xul.dll  mozilla::wr::DisplayListBuilder::PushStackingContext  gfx/webrender_bindings/WebRenderAPI.cpp:1233
0  xul.dll  mozilla::layers::StackingContextHelper::StackingContextHelper  gfx/layers/wr/StackingContextHelper.cpp:217
1  xul.dll  mozilla::nsDisplayTransform::CreateWebRenderCommands  layout/painting/nsDisplayList.cpp:6789
2  xul.dll  mozilla::layers::WebRenderCommandBuilder::CreateWebRenderCommands  gfx/layers/wr/WebRenderCommandBuilder.cpp:1860
2  xul.dll  mozilla::layers::WebRenderCommandBuilder::CreateWebRenderCommandsFromDisplayList  gfx/layers/wr/WebRenderCommandBuilder.cpp:2119
3  xul.dll  mozilla::nsDisplayWrapList::CreateWebRenderCommandsNewClipListOption  layout/painting/nsDisplayList.cpp:4617
3  xul.dll  mozilla::nsDisplayWrapList::CreateWebRenderCommands  layout/painting/nsDisplayList.h:4953
3  xul.dll  mozilla::nsDisplayOwnLayer::CreateWebRenderCommands  layout/painting/nsDisplayList.cpp:5257
4  xul.dll  mozilla::nsDisplayFixedPosition::CreateWebRenderCommands  layout/painting/nsDisplayList.cpp:5489

By querying Nightly crashes reported within the last 2 months, here are some insights about the signature:

• First crash report: 2025-05-29
• Process type: Content
• Is startup crash: No
• Has user comments: No
• Is null crash: Yes - 2 out of 3 crashes happened on null or near null memory address

Comment 1

[Andrew McCreight [:mccr8]]

Another family 6 model 183 stepping 1 crash.