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Tetsuo Handa 3aa4c49c8d video: fbdev: fix OOB read in vga_8planes_imageblit() 
commit bd018a6a75cebb511bb55a0e7690024be975fe93 upstream.

syzbot is reporting OOB read at vga_8planes_imageblit() [1], for
"cdat[y] >> 4" can become a negative value due to "const char *cdat".

[1] https://syzkaller.appspot.com/bug?id=0d7a0da1557dcd1989e00cb3692b26d4173b4132

Reported-by: syzbot <syzbot+69fbd3e01470f169c8c4@syzkaller.appspotmail.com>
Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Cc: stable <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/90b55ec3-d5b0-3307-9f7c-7ff5c5fd6ad3@i-love.sakura.ne.jp
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-09-17 13:47:55 +02:00
arch
ARM: dts: vfxxx: Add syscon compatible with OCOTP
2020-09-17 13:47:55 +02:00
block
block: Set same_page to false in __bio_try_merge_page if ret is false
2020-09-17 13:47:44 +02:00
certs
PKCS#7: Refactor verify_pkcs7_signature()
2019-08-05 18:40:18 -04:00
crypto
crypto: af_alg - Work around empty control messages without MSG_MORE
2020-09-03 11:27:05 +02:00
Documentation
affs: fix basic permission bits to actually work
2020-09-09 19:12:34 +02:00
drivers
video: fbdev: fix OOB read in vga_8planes_imageblit()
2020-09-17 13:47:55 +02:00
fs
debugfs: Fix module state check condition
2020-09-17 13:47:55 +02:00
include
irqchip/eznps: Fix build error for !ARC700 builds
2020-09-17 13:47:47 +02:00
init
x86: Fix early boot crash on gcc-10, third try
2020-05-20 08:20:34 +02:00
ipc
ipc/util.c: sysvipc_find_ipc() incorrectly updates position index
2020-05-20 08:20:16 +02:00
kernel
gcov: Disable gcov build with GCC 10
2020-09-17 13:47:49 +02:00
lib
kobject: Restore old behaviour of kobject_del(NULL)
2020-09-17 13:47:52 +02:00
LICENSES
LICENSES: Rename other to deprecated
2019-05-03 06:34:32 -06:00
mm
mm/khugepaged.c: fix khugepaged's request size in collapse_file
2020-09-09 19:12:37 +02:00
net
cfg80211: Adjust 6 GHz frequency to channel conversion
2020-09-17 13:47:46 +02:00
samples
bpf: Fix fds_example SIGSEGV error
2020-08-19 08:16:03 +02:00
scripts
checkpatch: fix the usage of capture group ( ... )
2020-09-09 19:12:37 +02:00
security
Smack: prevent underflow in smk_set_cipso()
2020-08-19 08:16:16 +02:00
sound
ALSA: hda: fix a runtime pm issue in SOF when integrated GPU is disabled
2020-09-17 13:47:49 +02:00
tools
selftests/timers: Turn off timeout setting
2020-09-17 13:47:41 +02:00
usr
initramfs: restore default compression behavior
2020-04-08 09:08:38 +02:00
virt
KVM: fix memory leak in kvm_io_bus_unregister_dev()
2020-09-17 13:47:54 +02:00
.clang-format
clang-format: Update with the latest for_each macro list
2019-08-31 10:00:51 +02:00
.cocciconfig
…
.get_maintainer.ignore
Opt out of scripts/get_maintainer.pl
2019-05-16 10:53:40 -07:00
.gitattributes
.gitattributes: set git diff driver for C source code files
2016-10-07 18:46:30 -07:00
.gitignore
Modules updates for v5.4
2019-09-22 10:34:46 -07:00
.mailmap
ARM: SoC fixes
2019-11-10 13:41:59 -08:00
COPYING
COPYING: use the new text with points to the license files
2018-03-23 12:41:45 -06:00
CREDITS
MAINTAINERS: Remove Simon as Renesas SoC Co-Maintainer
2019-10-10 08:12:51 -07:00
Kbuild
kbuild: do not descend to ./Kbuild when cleaning
2019-08-21 21:03:58 +09:00
Kconfig
docs: kbuild: convert docs to ReST and rename to *.rst
2019-06-14 14:21:21 -06:00
MAINTAINERS
Documentation/llvm: add documentation on building w/ Clang/LLVM
2020-08-26 10:40:46 +02:00
Makefile
Linux 5.4.65
2020-09-12 14:18:56 +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
No description provided
Readme 5.7 GiB
Languages
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Assembly 1%
Shell 0.5%
Python 0.3%
Makefile 0.3%