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Xie Yongji 52bd1bce86 virtio_console: Assure used length from device is limited 
[ Upstream commit d00d8da5869a2608e97cfede094dfc5e11462a46 ]

The buf->len might come from an untrusted device. This
ensures the value would not exceed the size of the buffer
to avoid data corruption or loss.

Signed-off-by: Xie Yongji <xieyongji@bytedance.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Link: https://lore.kernel.org/r/20210525125622.1203-1-xieyongji@bytedance.com
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2021-07-20 16:10:49 +02:00
arch
x86/fpu: Return proper error codes from user access functions
2021-07-20 16:10:47 +02:00
block
rq-qos: fix missed wake-ups in rq_qos_throttle try two
2021-07-19 08:53:16 +02:00
certs
certs: Move load_system_certificate_list to a common function
2021-06-30 08:47:55 -04:00
crypto
crypto: shash - avoid comparing pointers to exported functions under CFI
2021-07-14 16:53:13 +02:00
Documentation
clocksource: Retry clock read if long delays detected
2021-07-14 16:53:18 +02:00
drivers
virtio_console: Assure used length from device is limited
2021-07-20 16:10:49 +02:00
fs
NFS: nfs_find_open_context() may only select open files
2021-07-20 16:10:48 +02:00
include
NFS: nfs_find_open_context() may only select open files
2021-07-20 16:10:48 +02:00
init
kbuild: add CONFIG_LD_IS_LLD
2021-06-30 08:47:44 -04:00
ipc
ipc/util.c: sysvipc_find_ipc() incorrectly updates position index
2020-05-20 08:20:16 +02:00
kernel
srcu: Fix broken node geometry after early ssp init
2021-07-20 16:10:41 +02:00
lib
lib/decompress_unlz4.c: correctly handle zero-padding around initrds.
2021-07-20 16:10:46 +02:00
LICENSES
LICENSES: Rename other to deprecated
2019-05-03 06:34:32 -06:00
mm
mm/z3fold: fix potential memory leak in z3fold_destroy_pool()
2021-07-14 16:53:47 +02:00
net
sctp: add size validation when walking chunks
2021-07-19 08:53:13 +02:00
samples
samples/bpf: Fix the error return code of xdp_redirect's main()
2021-07-14 16:53:30 +02:00
scripts
kbuild: Fix objtool dependency for 'OBJECT_FILES_NON_STANDARD_<obj> := n'
2021-07-14 16:53:20 +02:00
security
smackfs: restrict bytes count in smk_set_cipso()
2021-07-19 08:53:18 +02:00
sound
ALSA: usb-audio: scarlett2: Fix 6i6 Gen 2 line out descriptions
2021-07-20 16:10:46 +02:00
tools
selftests/powerpc: Fix "no_handler" EBB selftest
2021-07-20 16:10:44 +02:00
usr
initramfs: restore default compression behavior
2020-04-08 09:08:38 +02:00
virt
KVM: mmio: Fix use-after-free Read in kvm_vm_ioctl_unregister_coalesced_mmio
2021-07-20 16:10:40 +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
…
.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 5.4.133
2021-07-19 08:53:18 +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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