735028 - JS OOM Testing: Assertion failure: ok, at js/src/jsiter.cpp:1590

Status: RESOLVED WORKSFORME

(Core :: JavaScript Engine, defect)

Description

[Christian Holler (:decoder)]

The following command aborts on mozilla-central revision c6f26a8dcd08:

js -m -n -a -A 9380 -f js/src/jit-test/tests/debug/Frame-onPop-15.js


Backtrace of failed allocation (as outputted when compiling with --enable-oom-backtrace and filtered through addr2line):

#0 js/src/debug64-trunk/js(+0x522b0d) (PrintBacktrace at /home/decoder/LangFuzz/mozilla-central/js/src/debug64-trunk/./dist/include/js/Utility.h:130)
#1 js/src/debug64-trunk/js(+0x52791c) (JSShortString* js::gc::NewGCThing<JSShortString>(JSContext*, js::gc::AllocKind, unsigned long) at /home/decoder/LangFuzz/mozilla-central/js/src/debug64-trunk/../jsgcinlines.h:411)
#2 js/src/debug64-trunk/js(+0x523a54) (js_NewGCShortString(JSContext*) at /home/decoder/LangFuzz/mozilla-central/js/src/debug64-trunk/../jsgcinlines.h:481)
#3 js/src/debug64-trunk/js(+0x62f094) (js_ConcatStrings(JSContext*, JSString*, JSString*) at /home/decoder/LangFuzz/mozilla-central/js/src/vm/String.cpp:327)
#4 js/src/debug64-trunk/js(+0x792b95) (js::mjit::stubs::Add(js::VMFrame&) at /home/decoder/LangFuzz/mozilla-central/js/src/methodjit/StubCalls.cpp:683)
#5 [0x7f8355c46835]

Comment 1

[Christian Holler (:decoder)]

Mass-closing old JS OOM reports. I've confirmed that none of these signatures currently appear in FuzzManager, so we can safely assume that the code causing this is gone or has been fixed.