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Ilya Lesokhin 93f16446c8 tls: Avoid copying crypto_info again after cipher_type check.
commit 196c31b4b5 upstream.

Avoid copying crypto_info again after cipher_type check
to avoid a TOCTOU exploits.
The temporary array on the stack is removed as we don't really need it

Fixes: 3c4d755915 ('tls: kernel TLS support')
Signed-off-by: Ilya Lesokhin <ilyal@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
[bwh: Backported to 4.14: Preserve changes made by earlier backports of
 "tls: return -EBUSY if crypto_info is already set" and "tls: zero the
 crypto information from tls_context before freeing"]
Signed-off-by: Ben Hutchings <ben.hutchings@codethink.co.uk>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2018-12-05 19:41:10 +01:00
arch s390/mm: Check for valid vma before zapping in gmap_discard 2018-12-01 09:42:59 +01:00
block SCSI: fix queue cleanup race before queue initialization is done 2018-11-21 09:24:09 +01:00
certs Replace magic for trusting the secondary keyring with #define 2018-09-09 19:55:54 +02:00
crypto crypto: simd - correctly take reqsize of wrapped skcipher into account 2018-12-01 09:42:53 +01:00
Documentation namei: allow restricted O_CREAT of FIFOs and regular files 2018-12-01 09:42:59 +01:00
drivers ubi: Initialize Fastmap checkmapping correctly 2018-12-05 19:41:09 +01:00
firmware License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
fs libceph: add authorizer challenge 2018-12-05 19:41:10 +01:00
include tls: Fix TLS ulp context leak, when TLS_TX setsockopt is not used. 2018-12-05 19:41:10 +01:00
init init: rename and re-order boot_cpu_state_init() 2018-08-15 18:12:48 +02:00
ipc ipc/sem.c: prevent queue.status tearing in semop 2018-09-05 09:26:30 +02:00
kernel bpf: Prevent memory disambiguation attack 2018-12-05 19:41:10 +01:00
lib lib/raid6: Fix arm64 test build 2018-11-27 16:10:48 +01:00
mm mm/khugepaged: collapse_shmem() do not crash on Compound 2018-12-05 19:41:09 +01:00
net tls: Avoid copying crypto_info again after cipher_type check. 2018-12-05 19:41:10 +01:00
samples samples/bpf: Check the error of write() and read() 2018-08-24 13:09:12 +02:00
scripts kconfig: fix the rule of mainmenu_stmt symbol 2018-11-04 14:52:45 +01:00
security ima: re-initialize iint->atomic_flags 2018-12-01 09:43:00 +01:00
sound ALSA: oss: Use kvzalloc() for local buffer allocations 2018-12-01 09:42:49 +01:00
tools tools/power/cpupower: fix compilation with STATIC=true 2018-12-01 09:42:50 +01:00
usr initramfs: fix initramfs rebuilds w/ compression after disabling 2017-11-03 07:39:19 -07:00
virt KVM: arm64: Fix caching of host MDCR_EL2 value 2018-11-13 11:15:08 -08:00
.cocciconfig
.get_maintainer.ignore
.gitattributes .gitattributes: set git diff driver for C source code files 2016-10-07 18:46:30 -07:00
.gitignore kbuild: rpm-pkg: keep spec file until make mrproper 2018-02-13 10:19:46 +01:00
.mailmap .mailmap: Add Maciej W. Rozycki's Imagination e-mail address 2017-11-10 12:16:15 -08:00
COPYING
CREDITS MAINTAINERS: update TPM driver infrastructure changes 2017-11-09 17:58:40 -08:00
Kbuild License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
Kconfig License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
MAINTAINERS MAINTAINERS: Add Sasha as a stable branch maintainer 2018-12-01 09:42:50 +01:00
Makefile Linux 4.14.85 2018-12-01 09:43:00 +01:00
README README: add a new README file, pointing to the Documentation/ 2016-10-24 08:12:35 -02:00

Linux kernel
============

This file was moved to Documentation/admin-guide/README.rst

Please notice that there are several guides for kernel developers and users.
These guides can be rendered in a number of formats, like HTML and PDF.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.

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.