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411c0ea696
Kuniyuki Iwashima says:
====================
af_unix: Fix lockless access of sk->sk_state and others fields.
The patch 1 fixes a bug where SOCK_DGRAM's sk->sk_state is changed
to TCP_CLOSE even if the socket is connect()ed to another socket.
The rest of this series annotates lockless accesses to the following
fields.
* sk->sk_state
* sk->sk_sndbuf
* net->unx.sysctl_max_dgram_qlen
* sk->sk_receive_queue.qlen
* sk->sk_shutdown
Note that with this series there is skb_queue_empty() left in
unix_dgram_disconnected() that needs to be changed to lockless
version, and unix_peer(other) access there should be protected
by unix_state_lock().
This will require some refactoring, so another series will follow.
Changes:
v2:
* Patch 1: Fix wrong double lock
v1: https://lore.kernel.org/netdev/20240603143231.62085-1-kuniyu@amazon.com/
====================
Link: https://lore.kernel.org/r/20240604165241.44758-1-kuniyu@amazon.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the reStructuredText markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.