This bug was filed from the Socorro interface and is report bp-8f7fd34d-ff70-40a7-8151-165ea0181005. ============================================================= Top 10 frames of crashing thread: 0 libmozglue.dylib mozalloc_abort memory/mozalloc/mozalloc_abort.cpp:35 1 libmozglue.dylib abort memory/mozalloc/mozalloc_abort.cpp:82 2 XUL panic_abort::__rust_start_panic::abort src/libpanic_abort/lib.rs:61 3 XUL __rust_start_panic src/libpanic_abort/lib.rs:56 4 XUL std::panicking::rust_panic_with_hook src/libstd/panicking.rs:523 5 XUL std::panicking::begin_panic src/libstd/panicking.rs:409 6 XUL webrender_bindings::moz2d_renderer::BlobReader::read_entry gfx/webrender_bindings/src/moz2d_renderer.rs:47 7 XUL <webrender_bindings::moz2d_renderer::Moz2dBlobImageHandler as webrender_api::image::BlobImageHandler>::update gfx/webrender_bindings/src/moz2d_renderer.rs:277 8 XUL webrender::resource_cache::ResourceCache::pre_scene_building_update gfx/webrender/src/resource_cache.rs:827 9 XUL webrender::render_backend::RenderBackend::process_api_msg gfx/webrender/src/render_backend.rs:941 ============================================================= This crash happens when try to edit Open Street Map using iD editor https://wiki.openstreetmap.org/wiki/ID

Comment on attachment 9022751 [details] Firefox64.0b6CrashWebRender.avi https://qnncloud.com/

Comment on attachment 9022751 [details] Firefox64.0b6CrashWebRender.avi https://qnncloud.com/ Windows 10 64bit GeForce 670 Firefox 64.0b6 64bit

Walter, can you still reproduce this?

I can't reproduce this issue any more. It seems to be completely fixed on Firefox 64.0. Thanks for fixing!