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David Brazdil 9539977384 selinux: vsock: Set SID for socket returned by accept() 
[ Upstream commit 1f935e8e72 ]

For AF_VSOCK, accept() currently returns sockets that are unlabelled.
Other socket families derive the child's SID from the SID of the parent
and the SID of the incoming packet. This is typically done as the
connected socket is placed in the queue that accept() removes from.

Reuse the existing 'security_sk_clone' hook to copy the SID from the
parent (server) socket to the child. There is no packet SID in this
case.

Fixes: d021c34405 ("VSOCK: Introduce VM Sockets")
Signed-off-by: David Brazdil <dbrazdil@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
 		2021-04-07 12:48:46 +02:00
Documentation sysfs: Add sysfs_emit and sysfs_emit_at to format sysfs output 2021-03-07 12:19:01 +01:00
LICENSES LICENSES: Remove CC-BY-SA-4.0 license text 2018-10-18 11:28:50 +02:00
arch x86/mem_encrypt: Correct physical address calculation in __set_clr_pte_enc() 2021-03-30 14:37:03 +02:00
block block: Suppress uevent for hidden device when removed 2021-03-30 14:36:59 +02:00
certs certs: Fix blacklist flag type confusion 2021-03-04 09:39:44 +01:00
crypto crypto: tcrypt - avoid signed overflow in byte count 2021-03-07 12:18:58 +01:00
drivers xen-blkback: don't leak persistent grants from xen_blkbk_map() 2021-03-30 14:37:03 +02:00
firmware Fix built-in early-load Intel microcode alignment 2020-01-23 08:21:29 +01:00
fs ext4: add reclaim checks to xattr code 2021-03-30 14:37:03 +02:00
include net: sched: validate stab values 2021-03-30 14:37:03 +02:00
init fgraph: Initialize tracing_graph_pause at task creation 2021-02-13 13:51:13 +01:00
ipc ipc/util.c: sysvipc_find_ipc() incorrectly updates position index 2020-05-20 08:18:40 +02:00
kernel genirq: Disable interrupts for force threaded handlers 2021-03-24 11:07:38 +01:00
lib PCI: Fix pci_register_io_range() memory leak 2021-03-17 16:43:46 +01:00
mm Revert "mm, slub: consider rest of partial list if acquire_slab() fails" 2021-03-17 16:43:43 +01:00
net selinux: vsock: Set SID for socket returned by accept() 2021-04-07 12:48:46 +02:00
samples samples: bpf: Fix lwt_len_hist reusing previous BPF map 2020-12-30 11:25:57 +01:00
scripts vmlinux.lds.h: Create section for protection against instrumentation 2021-03-24 11:07:31 +01:00
security Revert 95ebabde38 ("capabilities: Don't allow writing ambiguous v3 file capabilities") 2021-03-17 16:43:47 +01:00
sound ASoC: fsl_ssi: Fix TDM slot setup for I2S mode 2021-03-24 11:07:33 +01:00
tools perf auxtrace: Fix auxtrace queue conflict 2021-03-30 14:37:02 +02:00
usr initramfs: restore default compression behavior 2020-04-13 10:44:59 +02:00
virt KVM: arm64: Fix exclusive limit for IPA size 2021-03-17 16:43:51 +01:00
.clang-format clang-format: Set IndentWrappedFunctionNames false 2018-08-01 18:38:51 +02:00
.cocciconfig
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.get_maintainer.ignore
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.gitattributes .gitattributes: set git diff driver for C source code files 2016-10-07 18:46:30 -07:00
.gitignore Kbuild updates for v4.17 (2nd) 2018-04-15 17:21:30 -07:00
.mailmap libnvdimm-for-4.19_misc 2018-08-25 18:13:10 -07:00
COPYING COPYING: use the new text with points to the license files 2018-03-23 12:41:45 -06:00
CREDITS 9p: remove Ron Minnich from MAINTAINERS 2018-08-17 16:20:26 -07:00
Kbuild Kbuild updates for v4.15 2017-11-17 17:45:29 -08:00
Kconfig kconfig: move the "Executable file formats" menu to fs/Kconfig.binfmt 2018-08-02 08:06:55 +09:00
MAINTAINERS Documentation/llvm: add documentation on building w/ Clang/LLVM 2020-09-26 18:01:31 +02:00
Makefile Linux 4.19.184 2021-03-30 14:37:03 +02:00
README Docs: Added a pointer to the formatted docs to README 2018-03-21 09:02:53 -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.
See Documentation/00-INDEX for a list of what is contained in each file.

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.