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Greg Kroah-Hartman d3ee91e50a prlimit: do_prlimit needs to have a speculation check 
commit 7397906057 upstream.

do_prlimit() adds the user-controlled resource value to a pointer that
will subsequently be dereferenced.  In order to help prevent this
codepath from being used as a spectre "gadget" a barrier needs to be
added after checking the range.

Reported-by: Jordy Zomer <jordyzomer@google.com>
Tested-by: Jordy Zomer <jordyzomer@google.com>
Suggested-by: Linus Torvalds <torvalds@linuxfoundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-01-24 07:11:49 +01:00
arch arm64: cmpxchg_double*: hazard against entire exchange variable 2023-01-18 11:30:56 +01:00
block blk-mq: fix possible memleak when register 'hctx' failed 2023-01-18 11:30:37 +01:00
certs certs/blacklist_hashes.c: fix const confusion in certs blacklist 2022-06-25 11:49:16 +02:00
crypto crypto: tcrypt - Fix multibuffer skcipher speed test mem leak 2023-01-18 11:30:22 +01:00
Documentation docs: Fix the docs build with Sphinx 6.0 2023-01-18 11:30:51 +01:00
drivers xhci: Add a flag to disable USB3 lpm on a xhci root port level. 2023-01-24 07:11:49 +01:00
firmware Fix built-in early-load Intel microcode alignment 2020-01-23 08:21:29 +01:00
fs nilfs2: fix general protection fault in nilfs_btree_insert() 2023-01-24 07:11:49 +01:00
include ext4: fix reserved cluster accounting at delayed write time 2023-01-18 11:30:54 +01:00
init random: handle latent entropy and command line from random_init() 2022-06-25 11:49:11 +02:00
ipc ipc/sem: Fix dangling sem_array access in semtimedop race 2022-12-08 11:18:35 +01:00
kernel prlimit: do_prlimit needs to have a speculation check 2023-01-24 07:11:49 +01:00
lib test_firmware: fix memory leak in test_firmware_init() 2023-01-18 11:30:26 +01:00
LICENSES LICENSES: Remove CC-BY-SA-4.0 license text 2018-10-18 11:28:50 +02:00
mm mm/khugepaged: invoke MMU notifiers in shmem/file collapse paths 2023-01-18 11:29:59 +01:00
net net/ethtool/ioctl: return -EOPNOTSUPP if we have no phy stats 2023-01-24 07:11:49 +01:00
samples samples: vfio-mdev: Fix missing pci_disable_device() in mdpy_fb_probe() 2023-01-18 11:30:28 +01:00
scripts scripts/faddr2line: Fix regression in name resolution on ppc64le 2022-12-08 11:18:32 +01:00
security device_cgroup: Roll back to original exceptions after copy failure 2023-01-18 11:30:44 +01:00
sound ALSA: hda/hdmi: fix failures at PCM open on Intel ICL and later 2023-01-18 11:30:52 +01:00
tools kest.pl: Fix grub2 menu handling for rebooting 2023-01-18 11:30:53 +01:00
usr initramfs: restore default compression behavior 2020-04-13 10:44:59 +02:00
virt KVM: arm64: vgic: Fix exit condition in scan_its_table() 2022-11-03 23:52:24 +09:00
.clang-format clang-format: Set IndentWrappedFunctionNames false 2018-08-01 18:38:51 +02:00
.cocciconfig
.get_maintainer.ignore
.gitattributes
.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
Kconfig kconfig: move the "Executable file formats" menu to fs/Kconfig.binfmt 2018-08-02 08:06:55 +09:00
MAINTAINERS MAINTAINERS: co-maintain random.c 2022-06-25 11:49:01 +02:00
Makefile Linux 4.19.270 2023-01-18 11:30:57 +01:00
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.