memory leak in a loop.

[manyuan]

• Version:v6.10.0
• Platform:linux x86_64 ubuntu 16.04
• Subsystem:

code:

while(true){
console.log(new Buffer("asdfasdfas"))
}

when run a few minute,program exit with error:

<--- Last few GCs --->

267659 ms: Mark-sweep 1376.8 (1434.7) -> 1376.8 (1434.7) MB, 1661.6 / 0.0 ms [allocation failure] [GC in old space requested].
269309 ms: Mark-sweep 1376.8 (1434.7) -> 1376.8 (1434.7) MB, 1650.0 / 0.0 ms [allocation failure] [GC in old space requested].
270967 ms: Mark-sweep 1376.8 (1434.7) -> 1376.7 (1403.7) MB, 1657.7 / 0.0 ms [last resort gc].
272617 ms: Mark-sweep 1376.7 (1403.7) -> 1376.7 (1403.7) MB, 1649.9 / 0.0 ms [last resort gc].

<--- JS stacktrace --->

==== JS stack trace =========================================

Security context: 0x3378f3acfb51
1: nextTick [internal/process/next_tick.js:~134] [pc=0x36d27cb9206f] (this=0x2152b3c9b239 <a process with map 0x1594f1511671>,callback=0x87e0b825ac9 <JS Function afterWrite (SharedFunctionInfo 0x2152b3c52979)>)
2: arguments adaptor frame: 5->1
3: onwrite(aka onwrite) [_stream_writable.js:~356] [pc=0x36d27cb7c8dd] (this=0x3378f3a04381 ,stream=0x87e0b8435a1 <a WriteStream w...

FATAL ERROR: CALL_AND_RETRY_LAST Allocation failed - JavaScript heap out of memory
1: node::Abort() [node]
2: 0x10983ec [node]
3: v8::Utils::ReportApiFailure(char const*, char const*) [node]
4: v8::internal::V8::FatalProcessOutOfMemory(char const*, bool) [node]
5: v8::internal::Factory::NewFillerObject(int, bool, v8::internal::AllocationSpace) [node]
6: v8::internal::Runtime_AllocateInTargetSpace(int, v8::internal::Object**, v8::internal::Isolate*) [node]
7: 0x36d27ca079a7

[bnoordhuis]

Duplicate of many similar reports. Working as expected, console.log() is asynchronous.