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Namjae Jeon abcc506a9a ksmbd: fix racy issue from smb2 close and logoff with multichannel
When smb client send concurrent smb2 close and logoff request
with multichannel connection, It can cause racy issue. logoff request
free tcon and can cause UAF issues in smb2 close. When receiving logoff
request with multichannel, ksmbd should wait until all remaning requests
complete as well as ones in the current connection, and then make
session expired.

Cc: stable@vger.kernel.org
Reported-by: zdi-disclosures@trendmicro.com # ZDI-CAN-20796 ZDI-CAN-20595
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
2023-05-03 23:03:02 -05:00
arch dma-mapping updates for Linux 6.4 2023-04-29 10:29:57 -07:00
block Driver core changes for 6.4-rc1 2023-04-27 11:53:57 -07:00
certs KEYS: Add missing function documentation 2023-04-24 16:15:52 +03:00
crypto modules-6.4-rc1 2023-04-27 16:36:55 -07:00
Documentation driver ntfs3 for linux 6.4 2023-04-29 10:52:37 -07:00
drivers dma-mapping updates for Linux 6.4 2023-04-29 10:29:57 -07:00
fs ksmbd: fix racy issue from smb2 close and logoff with multichannel 2023-05-03 23:03:02 -05:00
include five ksmbd server fixes, and new lock_rename_child VFS helper routine 2023-04-29 11:10:39 -07:00
init Objtool changes for v6.4: 2023-04-28 14:02:54 -07:00
io_uring Networking changes for 6.4. 2023-04-26 16:07:23 -07:00
ipc Merge branch 'work.namespace' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2023-02-24 19:20:07 -08:00
kernel dma-mapping updates for Linux 6.4 2023-04-29 10:29:57 -07:00
lib tracing updates for 6.4: 2023-04-28 15:57:53 -07:00
LICENSES LICENSES: Add the copyleft-next-0.3.1 license 2022-11-08 15:44:01 +01:00
mm cgroup changes for v6.4-rc1 2023-04-29 10:05:22 -07:00
net NFSD 6.4 Release Notes 2023-04-29 11:04:14 -07:00
rust rust: allow to use INIT_STACK_ALL_ZERO 2023-04-19 19:34:43 +02:00
samples tracing updates for 6.4: 2023-04-28 15:57:53 -07:00
scripts RISC-V Patches for the 6.4 Merge Window, Part 1 2023-04-28 16:55:39 -07:00
security integrity-v6.4 2023-04-29 10:11:32 -07:00
sound Mainly singleton patches all over the place. Series of note are: 2023-04-27 19:57:00 -07:00
tools cgroup changes for v6.4-rc1 2023-04-29 10:05:22 -07:00
usr initramfs: Check negative timestamp to prevent broken cpio archive 2023-04-16 17:37:01 +09:00
virt SMP cross-CPU function-call updates for v6.4: 2023-04-28 15:03:43 -07:00
.clang-format PCI: Introduce pci_dev_for_each_resource() 2023-04-04 10:43:52 -05:00
.cocciconfig
.get_maintainer.ignore get_maintainer: add Alan to .get_maintainer.ignore 2022-08-20 15:17:44 -07:00
.gitattributes .gitattributes: use 'dts' diff driver for *.dtso files 2023-02-26 15:28:23 +09:00
.gitignore linux-kselftest-kunit-6.4-rc1 2023-04-24 12:31:32 -07:00
.mailmap Mainly singleton patches all over the place. Series of note are: 2023-04-27 19:57:00 -07:00
.rustfmt.toml rust: add .rustfmt.toml 2022-09-28 09:02:20 +02:00
COPYING COPYING: state that all contributions really are covered by this file 2020-02-10 13:32:20 -08:00
CREDITS Char/Misc drivers for 6.4-rc1 2023-04-27 12:07:50 -07:00
Kbuild Kbuild updates for v6.1 2022-10-10 12:00:45 -07:00
Kconfig kbuild: ensure full rebuild when the compiler is updated 2020-05-12 13:28:33 +09:00
MAINTAINERS workqueue changes for v6.4-rc1 2023-04-29 09:48:52 -07:00
Makefile Linux 6.3 2023-04-23 12:02:52 -07:00
README Drop all 00-INDEX files from Documentation/ 2018-09-09 15:08:58 -06:00

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.