1401060 - stylo: Crash in core::str::slice_error_fail | cssparser::tokenizer::consume_name: byte index 140731815221346 is out of bounds

Status: RESOLVED DUPLICATE of bug 1404050

(Core :: CSS Parsing and Computation, defect, P3)

Description

[Mats Palmgren (inactive)]

This bug was filed from the Socorro interface and is 
report bp-cc6a797a-1e1d-4dbe-8f6b-211010170918.
=============================================================

First reported crash for this signature is from buildid 20170913220121.
Low-volume so far, only 9 crashes from 3 installations.

MOZ_CRASH Reason: byte index 140731815221346 is out of bounds ...


Stack:
std::panicking::rust_panic_with_hook
std::panicking::begin_panic<collections::string::String>
std::panicking::begin_panic_fmt
core::panicking::panic_fmt
core::str::slice_error_fail
cssparser::tokenizer::consume_name
cssparser::tokenizer::consume_ident_like
cssparser::tokenizer::next_token
cssparser::parser::Parser::next_including_whitespace_and_comments
selectors::parser::parse_one_simple_selector<style::selector_parser::SelectorParser, style_traits::StyleParseError, style::gecko::selector_parser::SelectorImpl>
selectors::parser::SelectorList<style::gecko::selector_parser::SelectorImpl>::parse<style::gecko::selector_parser::SelectorImpl, style::selector_parser::SelectorParser, style_traits::StyleParseError>
geckoservo::glue::Servo_StyleSheet_FromUTF8Bytes
[...]

Comment 1

[Chris Peterson [:cpeterson]]

This crash persists, but its volume is pretty low. There were about 30 crashes from Nightly 58 and 30 crashes from Beta 57 over the last seven days.