576840 - Malloc mmap failed

Status: RESOLVED WORKSFORME

(Core :: JavaScript Engine, defect)

Description

[Gary Kwong [:gkw] [:nth10sd] (NOT official MoCo now)]

default xml namespace = /x/;
y = x = <x><y/></x>;
window = x;
for each(let b in [
        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]) {
    window.x::wrappedJSObject = new Function;
}

causes js opt shell on TM tip changeset 9749ef55a16b to show the following message in Mac OS X 10.6.4:

js-opt-32-tm-darwin(93970) malloc: *** mmap(size=536870912) failed (error code=12)
*** error: can't allocate region
*** set a breakpoint in malloc_error_break to debug
typein:6: out of memory

Setting s-s because I have no idea what's going on.

Comment 1

[Ludovic Hirlimann [:Usul]]

>Setting s-s because I have no idea what's going on.

You are just trying to allocate too much memory as it looks like.

Comment 2

[Gary Kwong [:gkw] [:nth10sd] (NOT official MoCo now)]

Attachment: Valgrind output

Comment 3

[Gary Kwong [:gkw] [:nth10sd] (NOT official MoCo now)]

WFM on TM changeset caaf823602d6