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Paolo Abeni 0597d0f8e0 mptcp: plug subflow context memory leak
When a MPTCP listener socket is closed with unaccepted
children pending, the ULP release callback will be invoked,
but nobody will call into __mptcp_close_ssk() on the
corresponding subflow.

As a consequence, at ULP release time, the 'disposable' flag
will be cleared and the subflow context memory will be leaked.

This change addresses the issue always freeing the context if
the subflow is still in the accept queue at ULP release time.

Additionally, this fixes an incorrect code reference in the
related comment.

Note: this fix leverages the changes introduced by the previous
commit.

Fixes: e16163b6e2 ("mptcp: refactor shutdown and close")
Reviewed-by: Matthieu Baerts <matthieu.baerts@tessares.net>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-12-09 19:31:58 -08:00
Documentation dt-bindings: net: nfc: s3fwrn5: Change I2C interrupt trigger type 2020-12-09 16:49:46 -08:00
LICENSES LICENSES/deprecated: add Zlib license text 2020-09-16 14:33:49 +02:00
arch Merge https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next 2020-12-04 07:48:12 -08:00
block block/keyslot-manager: prevent crash when num_slots=1 2020-11-20 11:52:52 -07:00
certs .gitignore: add SPDX License Identifier 2020-03-25 11:50:48 +01:00
crypto drivers-5.10-2020-10-12 2020-10-13 13:04:41 -07:00
drivers net: hdlc_x25: Remove unnecessary skb_reset_network_header calls 2020-12-09 19:22:48 -08:00
fs Merge https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next 2020-12-04 07:48:12 -08:00
include mptcp: add port support for ADD_ADDR suboption writing 2020-12-09 19:02:15 -08:00
init Have bootconfig size and checksum be little endian 2020-12-02 12:09:36 -08:00
ipc ipc: adjust proc_ipc_sem_dointvec definition to match prototype 2020-09-05 12:14:29 -07:00
kernel Merge https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next 2020-12-04 07:48:12 -08:00
lib Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2020-12-03 15:44:09 -08:00
mm Merge https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next 2020-12-04 07:48:12 -08:00
net mptcp: plug subflow context memory leak 2020-12-09 19:31:58 -08:00
samples Merge https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next 2020-12-04 07:48:12 -08:00
scripts Merge branch 'mlx5-next' of git://git.kernel.org/pub/scm/linux/kernel/git/mellanox/linux 2020-12-07 18:36:21 -08:00
security Merge https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next 2020-12-04 07:48:12 -08:00
sound ALSA: hda/realtek: Add mute LED quirk to yet another HP x360 model 2020-11-28 10:00:51 +01:00
tools selftests: mlxsw: Add Q-in-VNI veto tests 2020-12-08 15:45:57 -08:00
usr Merge branch 'work.fdpic' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2020-08-07 13:29:39 -07:00
virt kvm: x86/mmu: Support dirty logging for the TDP MMU 2020-10-23 03:42:13 -04:00
.clang-format RDMA 5.10 pull request 2020-10-17 11:18:18 -07:00
.cocciconfig scripts: add Linux .cocciconfig for coccinelle 2016-07-22 12:13:39 +02:00
.get_maintainer.ignore Opt out of scripts/get_maintainer.pl 2019-05-16 10:53:40 -07:00
.gitattributes .gitattributes: use 'dts' diff driver for dts files 2019-12-04 19:44:11 -08:00
.gitignore .gitignore: docs: ignore sphinx_*/ directories 2020-09-10 10:44:31 -06:00
.mailmap ARM: 2020-11-27 11:04:13 -08:00
COPYING COPYING: state that all contributions really are covered by this file 2020-02-10 13:32:20 -08:00
CREDITS Merge https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2020-11-19 19:08:46 -08:00
Kbuild kbuild: rename hostprogs-y/always to hostprogs/always-y 2020-02-04 01:53:07 +09:00
Kconfig kbuild: ensure full rebuild when the compiler is updated 2020-05-12 13:28:33 +09:00
MAINTAINERS Merge branch 'for-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next 2020-12-08 15:58:49 -08:00
Makefile Linux 5.10-rc6 2020-11-29 15:50:50 -08:00
README Drop all 00-INDEX files from Documentation/ 2018-09-09 15:08:58 -06:00

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.