1370364 - Crash in webrender::frame::Frame::flatten_item

Status: RESOLVED WORKSFORME

(Core :: Graphics: WebRender, defect)

Description

[[:philipp]]

This bug was filed from the Socorro interface and is 
report bp-e2209727-20b9-4b1e-bd71-8a1a40170605.
=============================================================
Crashing Thread (78)
Frame 	Module 	Signature 	Source
0 	xul.dll 	std::panicking::rust_panic 	C:/projects/rust/src/libstd/panicking.rs:577
1 	xul.dll 	std::panicking::rust_panic_with_hook 	C:/projects/rust/src/libstd/panicking.rs:565
2 	xul.dll 	std::panicking::begin_panic<collections::string::String> 	C:/projects/rust/src/libstd/panicking.rs:511
3 	xul.dll 	std::panicking::begin_panic_fmt 	C:/projects/rust/src/libstd/panicking.rs:495
4 	xul.dll 	core::panicking::panic_fmt 	C:/projects/rust/src/libcore/panicking.rs:61
5 	xul.dll 	core::panicking::panic 	C:/projects/rust/src/libcore/panicking.rs:49
6 	xul.dll 	webrender::frame::Frame::flatten_item 	gfx/webrender/src/frame.rs:486
7 	xul.dll 	webrender::frame::Frame::flatten_item 	gfx/webrender/src/frame.rs:600
8 	xul.dll 	webrender::frame::Frame::flatten_item 	gfx/webrender/src/frame.rs:600
9 	xul.dll 	webrender::frame::Frame::flatten_root 	gfx/webrender/src/frame.rs:626
10 	xul.dll 	webrender::render_backend::RenderBackend::build_scene 	gfx/webrender/src/render_backend.rs:479
11 	xul.dll 	webrender::render_backend::RenderBackend::run 	gfx/webrender/src/render_backend.rs:219
12 	xul.dll 	alloc::boxed::{{impl}}::call_box<(), closure> 	C:/projects/rust/src/liballoc/boxed.rs:640
13 	xul.dll 	std::sys::imp::thread::{{impl}}::new::thread_start 	C:/projects/rust/src/libstd/sys/windows/thread.rs:50
14 	kernel32.dll 	BaseThreadInitThunk 	
15 	ntdll.dll 	RtlUserThreadStart 	

this crash signature first showed up on 55.0a1 build 20170604030205.
changelog to the day before: https://hg.mozilla.org/mozilla-central/pushloghtml?fromchange=43039280fe464869428f03b047bb7c762784f44b&tochange=130efc657df7e7fe291cc42307f3eb3cb0484dfc

Comment 2

[Kartikaya Gupta (email:[e-mail])]

These stopped after the 20170810100255 buildid.