Re: [Qemu-devel] [PULL 02/46] qemu-thread: fix races on threads that exit very quickly

[Eric Blake]

On 12/20/2017 09:40 PM, linzhecheng wrote:

> > > If qemu_thread_args is freed here, start_routine(arg) will lead to use
> > > after free because arg equals to qemu_thread_args
> >
> > No, we explicitly copied qemu_thread_args->arg into a local variable prior to
> > freeing qemu_thread_args, so that we do not have to dereference the freed
> > variable.
> OK, that's true.

By the way, your mailer is breaking threading; it is omitting 
'In-Reply-To:' and 'References:' headers, which makes every mail from 
you show up as a new top-level thread, rather than properly threaded to 
what you are responding to.

--
Eric Blake, Principal Software Engineer
Red Hat, Inc.           +1-919-301-3266
Virtualization:  qemu.org | libvirt.org