Re: [Qemu-devel] [PATCH v3 0/3] char-socket: Fix race condition

[Max Reitz <mreitz@redhat.com>]

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On 26.04.19 09:51, Paolo Bonzini wrote:
> On 23/04/19 18:55, Daniel P. Berrangé wrote:
>> ping - paolo/marc-andré - unless I'm missing something, it looks like
>> this chardev series slipped through the cracks and missed 4.0
> 
> Yeah, it had a bug unfortunately.  I'm looking at it RSN.

I’ll just leave another ping here

> Paolo
> 
>>
>> On Fri, Feb 22, 2019 at 03:46:23PM +0200, Alberto Garcia wrote:
>>> This fixes a race condition in which the tcp_chr_read() ioc handler
>>> can close a connection that is being written to from another thread.
>>>
>>> Note: vhost-user-test still fails if QTEST_VHOST_USER_FIXME is set.
>>>
>>> Berto
>>>
>>> RFC: https://lists.gnu.org/archive/html/qemu-devel/2019-02/msg01510.html
>>>
>>> v1: https://lists.gnu.org/archive/html/qemu-devel/2019-02/msg01834.html
>>> - Fixes memory leaks and adds a qemu_idle_add() function
>>>
>>> v2: https://lists.gnu.org/archive/html/qemu-devel/2019-02/msg06137.html
>>> - Rebased on top of the current master (fc3dbb90f2eb069801bfb4cfe9cbc)
>>> - Patches 1 and 2: Remove the changes in char-pty.c, they're not
>>>                    needed after the rebase.
>>> - Patch 3: Fix conflicts after the rebase.
>>>
>>> v3:
>>> - Patch 3: Add tcp_chr_disconnect_locked() [Daniel]
>>>
>>> Alberto Garcia (3):
>>>   main-loop: Fix GSource leak in qio_task_thread_worker()
>>>   main-loop: Add qemu_idle_add()
>>>   char-socket: Lock tcp_chr_disconnect() and socket_reconnect_timeout()
>>>
>>>  chardev/char-socket.c    | 25 +++++++++++++++++++++----
>>>  include/qemu/main-loop.h | 12 ++++++++++++
>>>  io/task.c                |  9 +++------
>>>  util/main-loop.c         |  9 +++++++++
>>>  4 files changed, 45 insertions(+), 10 deletions(-)
>>>
>>> -- 
>>> 2.11.0
>>>
>>
>> Regards,
>> Daniel
>>
> 
> 
> 



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