1671047 - Hit MOZ_CRASH(called `Option::unwrap()` on a `None` value) at gfx/wr/webrender/src/batch.rs:2943

Status: RESOLVED WORKSFORME

(Core :: Graphics: WebRender, defect, P3)

Description

[Tyson Smith [:tsmith]]

Hit MOZ_CRASH(called Option::unwrap() on a None value) at gfx/wr/webrender/src/batch.rs:2943

#0 0x7fe9ade93f35 in MOZ_Crash /builds/worker/workspace/obj-build/dist/include/mozilla/Assertions.h:254:3
#1 0x7fe9ade93f35 in RustMozCrash src/mozglue/static/rust/wrappers.cpp:17:3
#2 0x7fe9ade93ee4 in mozglue_static::panic_hook::h9c593699a8525ff8 src/mozglue/static/rust/lib.rs:89:8
#3 0x7fe9ade937db in core::ops::function::Fn::call::h1a501563fc6b3009 /rustc/4fb7144ed159f94491249e86d5bbd033b5d60550/src/libcore/ops/function.rs:72:4
#4 0x7fe9af3c1b34 in std::panicking::rust_panic_with_hook::hb976084785e50594 /rustc/4fb7144ed159f94491249e86d5bbd033b5d60550/src/libstd/panicking.rs:474:16
#5 0x7fe9af3c164a in rust_begin_unwind /rustc/4fb7144ed159f94491249e86d5bbd033b5d60550/src/libstd/panicking.rs:378:4
#6 0x7fe9af3e9730 in core::panicking::panic_fmt::h45f7d6868edb5678 /rustc/4fb7144ed159f94491249e86d5bbd033b5d60550/src/libcore/panicking.rs:85:13
#7 0x7fe9af3e967c in core::panicking::panic::h0fd4184f909d9498 /rustc/4fb7144ed159f94491249e86d5bbd033b5d60550/src/libcore/panicking.rs:52:4
#8 0x7fe9ad89498f in core::option::Option$LT$T$GT$::unwrap::hf06e121162fb3d3e /rustc/4fb7144ed159f94491249e86d5bbd033b5d60550/src/libcore/macros/mod.rs:10:8
#9 0x7fe9ad89498f in webrender::batch::BatchBuilder::add_segmented_prim_to_batch::h9617fb2e24d720e3 src/gfx/wr/webrender/src/batch.rs:2943:40
#10 0x7fe9ad8858b5 in webrender::batch::BatchBuilder::add_prim_to_batch::h4fd72364790aef69 src/gfx/wr/webrender/src/batch.rs:2117:16
#11 0x7fe9ad880db2 in webrender::batch::BatchBuilder::add_pic_to_batch::hd8275f2aadd4f8d4 src/gfx/wr/webrender/src/batch.rs:758:16
#12 0x7fe9ad886680 in webrender::batch::BatchBuilder::add_prim_to_batch::h4fd72364790aef69 src/gfx/wr/webrender/src/batch.rs:1991:24
#13 0x7fe9ad880db2 in webrender::batch::BatchBuilder::add_pic_to_batch::hd8275f2aadd4f8d4 src/gfx/wr/webrender/src/batch.rs:758:16
#14 0x7fe9ad97c1a4 in _$LT$webrender..render_target..ColorRenderTarget$u20$as$u20$webrender..render_target..RenderTarget$GT$::build::hb6f7eb6904530dca src/gfx/wr/webrender/src/render_target.rs:408:20
#15 0x7fe9ad8eaf94 in webrender::render_target::RenderTargetList$LT$T$GT$::build::h511fe123b0fad1fe src/gfx/wr/webrender/src/render_target.rs:214:12
#16 0x7fe9ad8eaf94 in webrender::frame_builder::build_render_pass::hdc54c260f4da2ec9 src/gfx/wr/webrender/src/frame_builder.rs:970:12
#17 0x7fe9ad8eaf94 in webrender::frame_builder::FrameBuilder::build::h5c4f8fab621f0605 src/gfx/wr/webrender/src/frame_builder.rs:603:16
#18 0x7fe9ad95cbec in webrender::render_backend::Document::build_frame::h206d1603cd7c3d8f src/gfx/wr/webrender/src/render_backend.rs:621:24
#19 0x7fe9ad970f16 in webrender::render_backend::RenderBackend::update_document::h2b0ca6cacb1085ce src/gfx/wr/webrender/src/render_backend.rs:1523:40
#20 0x7fe9ad963478 in webrender::render_backend::RenderBackend::prepare_transactions::ha164f696142558b3 src/gfx/wr/webrender/src/render_backend.rs:1370:27
#21 0x7fe9ad963478 in webrender::render_backend::RenderBackend::process_api_msg::hd8b50b75449edb9d src/gfx/wr/webrender/src/render_backend.rs:1230:16
#22 0x7fe9ad7730db in webrender::render_backend::RenderBackend::run::h996ffde24f728cf6 src/gfx/wr/webrender/src/render_backend.rs:889:20
#23 0x7fe9ad7730db in webrender::renderer::Renderer::new::_$u7b$$u7b$closure$u7d$$u7d$::h6f49b55b25b92b87 src/gfx/wr/webrender/src/renderer.rs:2832:12
#24 0x7fe9ad7730db in std::sys_common::backtrace::__rust_begin_short_backtrace::h12ff39d53283060d /rustc/4fb7144ed159f94491249e86d5bbd033b5d60550/src/libstd/sys_common/backtrace.rs:130:4
#25 0x7fe9ad77f672 in std::thread::Builder::spawn_unchecked::_$u7b$$u7b$closure$u7d$$u7d$::_$u7b$$u7b$closure$u7d$$u7d$::ha604b0029cbc9fcd /rustc/4fb7144ed159f94491249e86d5bbd033b5d60550/src/libstd/thread/mod.rs:475:16
#26 0x7fe9ad77f672 in _$LT$std..panic..AssertUnwindSafe$LT$F$GT$$u20$as$u20$core..ops..function..FnOnce$LT$$LP$$RP$$GT$$GT$::call_once::h07118633adcd6694 /rustc/4fb7144ed159f94491249e86d5bbd033b5d60550/src/libstd/panic.rs:318:8
#27 0x7fe9ad77f672 in std::panicking::try::do_call::h2ab9443af723a9ae /rustc/4fb7144ed159f94491249e86d5bbd033b5d60550/src/libstd/panicking.rs:303:39
#28 0x7fe9af3d2b58 in __rust_maybe_catch_panic /rustc/4fb7144ed159f94491249e86d5bbd033b5d60550/src/libpanic_abort/lib.rs:30:4

Comment 1

[Tyson Smith [:tsmith]]

A Pernosco session is available here: https://pernos.co/debug/eexOBbal35geDpnwrkxdag/index.html

Comment 2

[Tyson Smith [:tsmith]]

This was last reported by fuzzers running m-c 20211212-ce23c0066bac.