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Filename Latest commit message Latest commit date
Christoph Hellwig e76bd6da51 xfs: fix up non-directory creation in SGID directories
commit 01ea173e103edd5ec41acec65b9261b87e123fc2 upstream.

XFS always inherits the SGID bit if it is set on the parent inode, while
the generic inode_init_owner does not do this in a few cases where it can
create a possible security problem, see commit 0fa3ecd878
("Fix up non-directory creation in SGID directories") for details.

Switch XFS to use the generic helper for the normal path to fix this,
just keeping the simple field inheritance open coded for the case of the
non-sgid case with the bsdgrpid mount option.

Fixes: 1da177e4c3 ("Linux-2.6.12-rc2")
Reported-by: Christian Brauner <christian.brauner@ubuntu.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Acked-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Chandan Babu R <chandan.babu@oracle.com>
Acked-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-04-20 12:07:37 +02:00
arch efi: sysfb_efi: Add quirk for Lenovo Yoga Book X91F/L 2023-04-20 12:07:36 +02:00
block blk-iocost: fix divide by 0 error in calc_lcoefs() 2023-03-11 16:43:54 +01:00
certs
crypto asymmetric_keys: log on fatal failures in PE/pkcs7 2023-04-20 12:07:36 +02:00
Documentation ALSA: hda/sigmatel: add pin overrides for Intel DP45SG motherboard 2023-04-20 12:07:35 +02:00
drivers coresight-etm4: Fix for() loop drvdata->nr_addr_cmp range bug 2023-04-20 12:07:37 +02:00
fs xfs: fix up non-directory creation in SGID directories 2023-04-20 12:07:37 +02:00
include ftrace: Mark get_lock_parent_ip() __always_inline 2023-04-20 12:07:34 +02:00
init
ipc
kernel irqdomain: Fix mapping-creation race 2023-04-20 12:07:35 +02:00
lib
LICENSES
mm mm/swap: fix swap_info_struct race between swapoff and get_swap_pages() 2023-04-20 12:07:35 +02:00
net udp6: fix potential access to stale information 2023-04-20 12:07:36 +02:00
samples
scripts
security keys: Do not cache key in task struct if key is requested from kernel thread 2023-04-05 11:16:37 +02:00
sound ALSA: hda/sigmatel: fix S/PDIF out on Intel D*45* motherboards 2023-04-20 12:07:35 +02:00
tools selftests/bpf: check that modifier resolves after pointer 2023-04-05 11:16:39 +02:00
usr
virt KVM: Destroy target device if coalesced MMIO unregistration fails 2023-03-11 16:44:01 +01:00
.clang-format
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore
.mailmap
COPYING
CREDITS
Kbuild
Kconfig
MAINTAINERS
Makefile Linux 5.4.240 2023-04-05 11:16:46 +02:00
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.