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Filename Latest commit message Latest commit date
Hyunwoo Kim a74d3b0ea9 net/rose: Fix to not accept on connected socket
[ Upstream commit 14caefcf9837a2be765a566005ad82cd0d2a429f ]

If you call listen() and accept() on an already connect()ed
rose socket, accept() can successfully connect.
This is because when the peer socket sends data to sendmsg,
the skb with its own sk stored in the connected socket's
sk->sk_receive_queue is connected, and rose_accept() dequeues
the skb waiting in the sk->sk_receive_queue.

This creates a child socket with the sk of the parent
rose socket, which can cause confusion.

Fix rose_listen() to return -EINVAL if the socket has
already been successfully connected, and add lock_sock
to prevent this issue.

Signed-off-by: Hyunwoo Kim <v4bel@theori.io>
Reviewed-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Link: https://lore.kernel.org/r/20230125105944.GA133314@ubuntu
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2023-02-22 12:50:34 +01:00
arch arm64: dts: meson-axg: Make mmc host controller interrupts level-sensitive 2023-02-22 12:50:33 +01:00
block blk-cgroup: fix missing pd_online_fn() while activating policy 2023-02-06 07:52:48 +01:00
certs
crypto
Documentation docs: Fix path paste-o for /sys/kernel/warn_count 2023-02-06 07:52:50 +01:00
drivers nvme-pci: Move enumeration by class to be last in the table 2023-02-22 12:50:33 +01:00
fs ceph: flush cap releases when the session is flushed 2023-02-22 12:50:33 +01:00
include iommu: Add gfp parameter to iommu_ops::map 2023-02-22 12:50:31 +01:00
init
ipc
kernel tracing: Fix poll() and select() do not work on per_cpu trace_pipe and trace_pipe_raw 2023-02-22 12:50:30 +01:00
lib netlink: prevent potential spectre v1 gadgets 2023-02-06 07:52:45 +01:00
LICENSES
mm migrate: hugetlb: check for hugetlb shared PMD in node migration 2023-02-22 12:50:34 +01:00
net net/rose: Fix to not accept on connected socket 2023-02-22 12:50:34 +01:00
samples
scripts ftrace/scripts: Update the instructions for ftrace-bisect.sh 2023-02-06 07:52:44 +01:00
security
sound ASoC: cs42l56: fix DT probe 2023-02-22 12:50:34 +01:00
tools tools/virtio: fix the vringh test for virtio ring changes 2023-02-22 12:50:34 +01:00
usr
virt
.clang-format
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore
.mailmap
COPYING
CREDITS
Kbuild
Kconfig
MAINTAINERS net/phy/mdio-i2c: Move header file to include/linux/mdio 2023-02-06 07:52:46 +01:00
Makefile Linux 5.4.231 2023-02-06 07:52:51 +01:00
README

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 Restructured Text 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.