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Clamp the repeat numbers greater than 10000

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This was causing a crash in gecko mochitest because of OOM.
This commit is contained in:
Nazım Can Altınova 2017-07-18 11:11:37 -07:00
parent 1ab86a46b6
commit 3f10488da1
2 changed files with 6 additions and 2 deletions
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7
components/style/values/generics/grid.rs
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@ -354,8 +354,13 @@ pub enum RepeatCount {
impl Parse for RepeatCount {
fn parse<'i, 't>(context: &ParserContext, input: &mut Parser<'i, 't>) -> Result<Self, ParseError<'i>> {
if let Ok(i) = input.try(|i| Integer::parse(context, i)) {
// Maximum number of repeat is 10000. The greater numbers should be clamped.
const MAX_LINE: i32 = 10000;
if let Ok(mut i) = input.try(|i| Integer::parse(context, i)) {
if i.value() > 0 {
if i.value() > MAX_LINE {
i = Integer::new(MAX_LINE);
}
Ok(RepeatCount::Number(i))
} else {
Err(StyleParseError::UnspecifiedError.into())