[RFC][PATCH] malloc:checked_request2size fail will let malloc futex locked

[Bernhard Reutner-Fischer]

On March 18, 2015 11:44:50 AM GMT+01:00, Zhiqiang Zhang <zhangzhiqiang.zhang at huawei.com> wrote:
>For some rarely cases(almost App bugs), calling malloc with
>a very largre size, checked_request2size check will fail,set
>ENOMEM, and return 0 to caller.
>
>But this will let __malloc_lock futex locked and owned by the
>caller. In multithread circumstance, other thread calling
>malloc/calloc will NOT succeed and get locked.

Testcase, please?
Are the other 2 malloc implementations affected, too?
Thanks,