1765191 - Crash in [@ core::str::slice_error_fail | style::custom_properties::substitute_block]

Status: RESOLVED WORKSFORME

(Core :: CSS Parsing and Computation, defect)

Description

[Andrew McCreight (out of office until 8/21) [:mccr8]]

Crash report: https://crash-stats.mozilla.org/report/index/5be882fd-0e61-4376-8380-de4d30220414

MOZ_CRASH Reason: called `Option::unwrap()` on a `None` value

Top 10 frames of crashing thread:

0 xul.dll RustMozCrash mozglue/static/rust/wrappers.cpp:17
1 xul.dll mozglue_static::panic_hook mozglue/static/rust/lib.rs:91
2 xul.dll core::ops::function::Fn::call<void  ../9d1b2106e23b1abd32fce1f17267604a5102f57a/library/core/src/ops/function.rs:227
3 xul.dll std::panicking::rust_panic_with_hook ../9d1b2106e23b1abd32fce1f17267604a5102f57a//library/std/src/panicking.rs:610
4 xul.dll std::panicking::begin_panic_handler::closure$0 ../9d1b2106e23b1abd32fce1f17267604a5102f57a//library/std/src/panicking.rs:500
5 xul.dll std::sys_common::backtrace::__rust_end_short_backtrace<std::panicking::begin_panic_handler::closure$0, never$> ../9d1b2106e23b1abd32fce1f17267604a5102f57a//library/std/src/sys_common/backtrace.rs:139
6 xul.dll std::panicking::begin_panic_handler ../9d1b2106e23b1abd32fce1f17267604a5102f57a//library/std/src/panicking.rs:498
7 xul.dll core::panicking::panic_fmt ../9d1b2106e23b1abd32fce1f17267604a5102f57a//library/core/src/panicking.rs:116
8 xul.dll core::panicking::panic ../9d1b2106e23b1abd32fce1f17267604a5102f57a//library/core/src/panicking.rs:48
9 xul.dll core::str::slice_error_fail ../9d1b2106e23b1abd32fce1f17267604a5102f57a//library/core/src/str/mod.rs:112

Comment 1

[Daniel Holbert [:dholbert]]

Downgrading to S3, given the quite-low crash volume (aside from the tiny spike last month).

Comment 2

[BugBot [:suhaib / :marco/ :calixte]]

Closing because no crashes reported for 12 weeks.