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Milan Broz 41724dfbf8 dm crypt: fix benbi IV constructor crash if used in authenticated mode 
commit 4ea9471fbd upstream.

If benbi IV is used in AEAD construction, for example:
  cryptsetup luksFormat <device> --cipher twofish-xts-benbi --key-size 512 --integrity=hmac-sha256
the constructor uses wrong skcipher function and crashes:

 BUG: kernel NULL pointer dereference, address: 00000014
 ...
 EIP: crypt_iv_benbi_ctr+0x15/0x70 [dm_crypt]
 Call Trace:
  ? crypt_subkey_size+0x20/0x20 [dm_crypt]
  crypt_ctr+0x567/0xfc0 [dm_crypt]
  dm_table_add_target+0x15f/0x340 [dm_mod]

Fix this by properly using crypt_aead_blocksize() in this case.

Fixes: ef43aa3806 ("dm crypt: add cryptographic data integrity protection (authenticated encryption)")
Cc: stable@vger.kernel.org # v4.12+
Link: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=941051
Reported-by: Jerad Simpson <jbsimpson@gmail.com>
Signed-off-by: Milan Broz <gmazyland@gmail.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-02-14 16:32:13 -05:00
arch of: Add OF_DMA_DEFAULT_COHERENT & select it on powerpc 2020-02-14 16:32:13 -05:00
block block: don't use bio->bi_vcnt to figure out segment number 2020-01-27 14:46:19 +01:00
certs Replace magic for trusting the secondary keyring with #define 2018-09-09 19:55:54 +02:00
crypto crypto: api - Check spawn->alg under lock in crypto_drop_spawn 2020-02-14 16:32:12 -05:00
Documentation PM / devfreq: Add new name attribute for sysfs 2020-02-05 14:18:12 +00:00
drivers dm crypt: fix benbi IV constructor crash if used in authenticated mode 2020-02-14 16:32:13 -05:00
firmware Fix built-in early-load Intel microcode alignment 2020-01-23 08:20:30 +01:00
fs f2fs: code cleanup for f2fs_statfs_project() 2020-02-14 16:32:12 -05:00
include media: v4l2-rect.h: fix v4l2_rect_map_inside() top/left adjustments 2020-02-14 16:32:08 -05:00
init fork: fix some -Wmissing-prototypes warnings 2019-12-05 15:37:52 +01:00
ipc ipc/mqueue.c: only perform resource calculation if user valid 2019-08-06 19:05:24 +02:00
kernel alarmtimer: Unregister wakeup source when module get fails 2020-02-14 16:32:09 -05:00
lib lib/test_kasan.c: fix memory leak in kmalloc_oob_krealloc_more() 2020-02-14 16:32:08 -05:00
mm mm/mempolicy.c: fix out of bounds write in mpol_parse_str() 2020-02-05 14:18:13 +00:00
net rxrpc: Fix NULL pointer deref due to call->conn being cleared on disconnect 2020-02-14 16:32:07 -05:00
samples samples: bpf: fix syscall_tp due to unused syscall 2020-01-12 12:11:56 +01:00
scripts ARM: 8950/1: ftrace/recordmcount: filter relocation types 2020-01-29 15:02:37 +01:00
security keys: Timestamp new keys 2020-01-27 14:46:19 +01:00
sound ALSA: dummy: Fix PCM format loop in proc output 2020-02-14 16:32:08 -05:00
tools perf report: Fix no libunwind compiled warning break s390 issue 2020-02-05 14:18:29 +00:00
usr kbuild: clean compressed initramfs image 2019-10-07 18:55:14 +02:00
virt KVM: arm64: Only sign-extend MMIO up to register width 2020-02-14 16:32:08 -05:00
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.gitignore kbuild: rpm-pkg: keep spec file until make mrproper 2018-02-13 10:19:46 +01:00
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MAINTAINERS USB: rio500: Remove Rio 500 kernel driver 2019-10-17 13:43:20 -07:00
Makefile Linux 4.14.170 2020-02-05 14:18:29 +00:00
README

README 

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.