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Jordy Zomer 71c8df33fd dm ioctl: prevent potential spectre v1 gadget 
[ Upstream commit cd9c88da171a62c4b0f1c70e50c75845969fbc18 ]

It appears like cmd could be a Spectre v1 gadget as it's supplied by a
user and used as an array index. Prevent the contents of kernel memory
from being leaked to userspace via speculative execution by using
array_index_nospec.

Signed-off-by: Jordy Zomer <jordy@pwning.systems>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2022-04-13 21:00:57 +02:00
arch
powerpc: Set crashkernel offset to mid of RMA region
2022-04-13 21:00:56 +02:00
block
Revert "Revert "block, bfq: honor already-setup queue merges""
2022-04-08 14:40:32 +02:00
certs
certs: Trigger creation of RSA module signing key if it's not an RSA key
2021-09-15 09:50:29 +02:00
crypto
crypto: authenc - Fix sleep in atomic context in decrypt_tail
2022-04-08 14:39:59 +02:00
Documentation
docs: sysctl/kernel: add missing bit to panic_print
2022-04-08 14:40:44 +02:00
drivers
dm ioctl: prevent potential spectre v1 gadget
2022-04-13 21:00:57 +02:00
fs
gfs2: gfs2_setattr_size error path fix
2022-04-13 21:00:54 +02:00
include
ipv4: Invalidate neighbour for broadcast address upon address addition
2022-04-13 21:00:57 +02:00
init
bpf: Add kconfig knob for disabling unpriv bpf by default
2022-01-05 12:40:34 +01:00
ipc
shm: extend forced shm destroy to support objects from several IPC nses
2021-12-01 09:19:10 +01:00
kernel
bpf: Adjust BPF stack helper functions to accommodate skip > 0
2022-04-08 14:40:43 +02:00
lib
XArray: Update the LRU list in xas_split()
2022-04-08 14:40:40 +02:00
LICENSES
LICENSES/deprecated: add Zlib license text
2020-09-16 14:33:49 +02:00
mm
mm/usercopy: return 1 from hardened_usercopy __setup() handler
2022-04-08 14:40:43 +02:00
net
ipv4: Invalidate neighbour for broadcast address upon address addition
2022-04-13 21:00:57 +02:00
samples
samples/bpf, xdpsock: Fix race when running for fix duration of time
2022-04-08 14:40:21 +02:00
scripts
gcc-plugins/stackleak: Exactly match strings instead of prefixes
2022-04-08 14:40:30 +02:00
security
Fix incorrect type in assignment of ipv6 port for audit
2022-04-08 14:40:31 +02:00
sound
ASoC: topology: Allow TLV control to be either read or write
2022-04-08 14:40:44 +02:00
tools
libbpf: Fix build issue with llvm-readelf
2022-04-13 21:00:56 +02:00
usr
usr/include/Makefile: add linux/nfc.h to the compile-test coverage
2022-02-01 17:25:48 +01:00
virt
KVM: Prevent module exit until all VMs are freed
2022-04-08 14:40:38 +02:00
.clang-format
RDMA 5.10 pull request
2020-10-17 11:18:18 -07:00
.cocciconfig
…
.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
kbuild: generate Module.symvers only when vmlinux exists
2021-05-19 10:12:59 +02:00
.mailmap
mailmap: add two more addresses of Uwe Kleine-König
2020-12-06 10:19:07 -08:00
COPYING
COPYING: state that all contributions really are covered by this file
2020-02-10 13:32:20 -08:00
CREDITS
MAINTAINERS: Move Jason Cooper to CREDITS
2020-11-30 10:20:34 +01:00
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
MAINTAINERS: adjust GCC PLUGINS after gcc-plugin.sh removal
2021-12-14 11:32:46 +01:00
Makefile
Linux 5.10.110
2022-04-08 14:40:45 +02:00
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.
Description
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