Exploration: crash in integration tests

[deepak1556]

Captured by @bpasero https://dev.azure.com/monacotools/Monaco/_build/results?buildId=94330

Symbolicated trace:

Symbolicating...
Operating system: Linux
                  0.0.0 Linux 5.4.0-1031-azure #32~18.04.1-Ubuntu SMP Tue Oct 6 10:03:22 UTC 2020 x86_64
CPU: amd64
     family 6 model 85 stepping 4
     2 CPUs

GPU: UNKNOWN

Crash reason:  SIGABRT
Crash address: 0x3e90000357c
Process uptime: not available

Thread 0 (crashed)
 0  libc.so.6!raise [raise.c : 51 + 0x0]
    rax = 0x0000000000000000   rdx = 0x0000000000000000
    rcx = 0x00007f8544bcdf47   rbx = 0x00000eb13c1f38f0
    rsi = 0x00007ffca59aca20   rdi = 0x0000000000000002
    rbp = 0x00007f8544f7b840   rsp = 0x00007ffca59aca20
     r8 = 0x0000000000000000    r9 = 0x00007ffca59aca20
    r10 = 0x0000000000000008   r11 = 0x0000000000000246
    r12 = 0x00000eb13c5b5bc0   r13 = 0x00000eb13c1f38c0
    r14 = 0x00007ffca59acd50   r15 = 0x0000000000000001
    rip = 0x00007f8544bcdf47
    Found by: given as instruction pointer in context
 1  libc.so.6!abort [abort.c : 79 + 0xa]
    rbx = 0x00000eb13c1f38f0   rbp = 0x00007f8544f7b840
    rsp = 0x00007ffca59acb40   r12 = 0x00000eb13c5b5bc0
    r13 = 0x00000eb13c1f38c0   r14 = 0x00007ffca59acd50
    r15 = 0x0000000000000001   rip = 0x00007f8544bcf8b1
    Found by: call frame info
 2  libstdc++.so.6 + 0x8c957
    rbx = 0x00000eb13c1f38f0   rbp = 0x00007f8544f7b840
    rsp = 0x00007ffca59acc70   r12 = 0x00000eb13c5b5bc0
    r13 = 0x00000eb13c1f38c0   r14 = 0x00007ffca59acd50
    r15 = 0x0000000000000001   rip = 0x00007f85361a1957
    Found by: call frame info
 3  libstdc++.so.6 + 0x92ae6
    rsp = 0x00007ffca59acca0   rip = 0x00007f85361a7ae6
    Found by: stack scanning
 4  libstdc++.so.6 + 0x92b21
    rsp = 0x00007ffca59accb0   rip = 0x00007f85361a7b21
    Found by: stack scanning
 5  libstdc++.so.6 + 0x92d54
    rsp = 0x00007ffca59accc0   rip = 0x00007f85361a7d54
    Found by: stack scanning
 6  code-exploration!(anonymous namespace)::TCRealloc(base::allocator::AllocatorDispatch const*, void*, unsigned long, void*) [allocator_shim_default_dispatch_to_tcmalloc.cc : 38 + 0x9]
    rsp = 0x00007ffca59acce8   rip = 0x000055e6b8470220
    Found by: stack scanning
 7  0xeb13be07030
    rbp = 0x000055e6b8470220   rsp = 0x00007ffca59accf0
    rip = 0x00000eb13be07030
    Found by: call frame info
 8  code-exploration!node::CallbackScope::CallbackScope(v8::Isolate*, v8::Local<v8::Object>, node::async_context) [callback.cc : 24 + 0xc]
    rsp = 0x00007ffca59acd80   rip = 0x000055e6bbbfa400
    Found by: stack scanning
 9  code-exploration!v8::HandleScope::CreateHandle(v8::internal::Isolate*, unsigned long) [handles-inl.h : 159 + 0x8]
    rsp = 0x00007ffca59acda0   rip = 0x000055e6b6b04fa8
    Found by: stack scanning
10  code-exploration!(anonymous namespace)::uvimpl::Work::AfterThreadPoolWork(int) [node_api.cc : 929 + 0x8]
    rsp = 0x00007ffca59acdf0   rip = 0x000055e6bbc4fcc6
    Found by: stack scanning
11  code-exploration + 0x18ef890
    rsp = 0x00007ffca59ace78   rip = 0x000055e6b5d9d890
    Found by: stack scanning
12  code-exploration!uv__work_done [threadpool.c : 313 + 0x3]
    rsp = 0x00007ffca59ace90   rip = 0x000055e6b5d9d86d
    Found by: stack scanning
13  code-exploration!uv__async_io [async.c : 163 + 0x5]
    rsp = 0x00007ffca59aced0   rip = 0x000055e6b5da0d71
    Found by: stack scanning

[deepak1556]

Crash in keytar module due to missing handlescope in OnOK, OnError callbacks https://github.com/atom/node-keytar/blob/master/src/async.cc when reentering javascript thread