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Zhengchao Shao ec274d8f1e net/af_packet: check len when min_header_len equals to 0 
commit dc633700f00f726e027846a318c5ffeb8deaaeda upstream.

User can use AF_PACKET socket to send packets with the length of 0.
When min_header_len equals to 0, packet_snd will call __dev_queue_xmit
to send packets, and sock->type can be any type.

Reported-by: syzbot+5ea725c25d06fb9114c4@syzkaller.appspotmail.com
Fixes: fd1894224407 ("bpf: Don't redirect packets with invalid pkt_len")
Signed-off-by: Zhengchao Shao <shaozhengchao@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-09-05 10:31:36 +02:00
arch
s390/hypfs: avoid error message under KVM
2022-09-05 10:31:33 +02:00
block
blk-mq: fix io hung due to missing commit_rqs
2022-08-31 17:18:19 +02:00
certs
certs: make system keyring depend on x509 parser
2022-07-24 12:53:55 -07:00
crypto
KEYS: asymmetric: enforce SM2 signature use pkey algo
2022-08-17 15:16:17 +02:00
Documentation
rtla: Fix tracer name
2022-09-05 10:31:31 +02:00
drivers
android: binder: fix lockdep check on clearing vma
2022-09-05 10:31:35 +02:00
fs
btrfs: tree-checker: check for overlapping extent items
2022-09-05 10:31:35 +02:00
include
mm/rmap: Fix anon_vma->degree ambiguity leading to double-reuse
2022-09-05 10:31:28 +02:00
init
arm64: fix rodata=full
2022-08-31 17:18:19 +02:00
io_uring
io_uring: fix issue with io_write() not always undoing sb_start_write()
2022-08-31 17:18:17 +02:00
ipc
ipc: Free mq_sysctls if ipc namespace creation failed
2022-06-22 17:47:41 -05:00
kernel
ftrace: Fix NULL pointer dereference in is_ftrace_trampoline when ftrace is dead
2022-09-05 10:31:28 +02:00
lib
crypto: lib - remove unneeded selection of XOR_BLOCKS
2022-09-05 10:31:26 +02:00
LICENSES
LICENSES/LGPL-2.1: Add LGPL-2.1-or-later as valid identifiers
2021-12-16 14:33:10 +01:00
mm
mm/rmap: Fix anon_vma->degree ambiguity leading to double-reuse
2022-09-05 10:31:28 +02:00
net
net/af_packet: check len when min_header_len equals to 0
2022-09-05 10:31:36 +02:00
samples
sample: bpf: xdp_router_ipv4: Allow the kernel to send arp requests
2022-08-17 15:14:25 +02:00
scripts
kbuild: dummy-tools: avoid tmpdir leak in dummy gcc
2022-08-29 11:07:58 +02:00
security
apparmor: Fix memleak in aa_simple_write_to_buffer()
2022-08-25 11:45:11 +02:00
sound
ALSA: hda/cs8409: Support new Dolphin Variants
2022-09-05 10:31:35 +02:00
tools
testing: selftests: nft_flowtable.sh: use random netns names
2022-09-05 10:31:35 +02:00
usr
Not a lot of material this cycle. Many singleton patches against various
2022-05-27 11:22:03 -07:00
virt
KVM: Unconditionally get a ref to /dev/kvm module when creating a VM
2022-08-25 11:45:05 +02:00
.clang-format
clang-format: Fix space after for_each macros
2022-05-20 19:27:16 +02:00
.cocciconfig
…
.get_maintainer.ignore
Opt out of scripts/get_maintainer.pl
2019-05-16 10:53:40 -07:00
.gitattributes
.gitattributes: use 'dts' diff driver for dts files
2019-12-04 19:44:11 -08:00
.gitignore
kbuild: split the second line of *.mod into *.usyms
2022-05-08 03:16:59 +09:00
.mailmap
ARM: SoC fixes for 5.19, part 4
2022-07-27 09:43:07 -07:00
COPYING
COPYING: state that all contributions really are covered by this file
2020-02-10 13:32:20 -08:00
CREDITS
MAINTAINERS: mark ARM/PALM TREO SUPPORT orphan
2022-07-07 15:17:00 +02:00
Kbuild
kbuild: rename hostprogs-y/always to hostprogs/always-y
2020-02-04 01:53:07 +09:00
Kconfig
kbuild: ensure full rebuild when the compiler is updated
2020-05-12 13:28:33 +09:00
MAINTAINERS
io_uring: move to separate directory
2022-08-17 15:14:20 +02:00
Makefile
Linux 5.19.6
2022-08-31 17:18:21 +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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