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Filename Latest commit message Latest commit date
Paul Moore c807042f2d selinux: fix inode_doinit_with_dentry() LABEL_INVALID error handling
[ Upstream commit 200ea5a2292dc444a818b096ae6a32ba3caa51b9 ]

A previous fix, commit 83370b31a915 ("selinux: fix error initialization
in inode_doinit_with_dentry()"), changed how failures were handled
before a SELinux policy was loaded.  Unfortunately that patch was
potentially problematic for two reasons: it set the isec->initialized
state without holding a lock, and it didn't set the inode's SELinux
label to the "default" for the particular filesystem.  The later can
be a problem if/when a later attempt to revalidate the inode fails
and SELinux reverts to the existing inode label.

This patch should restore the default inode labeling that existed
before the original fix, without affecting the LABEL_INVALID marking
such that revalidation will still be attempted in the future.

Fixes: 83370b31a915 ("selinux: fix error initialization in inode_doinit_with_dentry()")
Reported-by: Sven Schnelle <svens@linux.ibm.com>
Tested-by: Sven Schnelle <svens@linux.ibm.com>
Reviewed-by: Ondrej Mosnacek <omosnace@redhat.com>
Signed-off-by: Paul Moore <paul@paul-moore.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-12-30 11:51:05 +01:00
arch powerpc/64: Set up a kernel stack for secondaries before cpu_restore() 2020-12-30 11:51:04 +01:00
block blk-mq: In blk_mq_dispatch_rq_list() "no budget" is a reason to kick 2020-12-30 11:50:54 +01:00
certs
crypto crypto: af_alg - avoid undefined behavior accessing salg_name 2020-12-30 11:51:00 +01:00
Documentation KVM: mmu: Fix SPTE encoding of MMIO generation upper half 2020-12-21 13:27:06 +01:00
drivers spi: spi-mem: fix reference leak in spi_mem_access_start 2020-12-30 11:51:04 +01:00
fs f2fs: call f2fs_get_meta_page_retry for nat page 2020-12-30 11:51:04 +01:00
include crypto: af_alg - avoid undefined behavior accessing salg_name 2020-12-30 11:51:00 +01:00
init
ipc
kernel sched: Reenable interrupts in do_sched_yield() 2020-12-30 11:51:03 +01:00
lib
LICENSES
mm mm/zsmalloc.c: drop ZSMALLOC_PGTABLE_MAPPING 2020-12-16 10:56:59 +01:00
net Bluetooth: Fix slab-out-of-bounds read in hci_le_direct_adv_report_evt() 2020-12-30 11:51:00 +01:00
samples
scripts kbuild: avoid split lines in .mod files 2020-12-30 11:50:57 +01:00
security selinux: fix inode_doinit_with_dentry() LABEL_INVALID error handling 2020-12-30 11:51:05 +01:00
sound ASoC: pcm: DRAIN support reactivation 2020-12-30 11:51:04 +01:00
tools selftests: fix poll error in udpgro.sh 2020-12-30 11:50:56 +01:00
usr
virt
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Kconfig
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Makefile Linux 5.4.85 2020-12-21 13:27:07 +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.