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


From: Alberto Garcia
Subject: [Qemu-devel] [PATCH v3 0/3] char-socket: Fix race condition
Date: Fri, 22 Feb 2019 15:46:23 +0200

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




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