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Guillaume Nault a42dbd059e net/core: check length before updating Ethertype in skb_mpls_{push,pop} 
commit 4296adc3e3 upstream.

Openvswitch allows to drop a packet's Ethernet header, therefore
skb_mpls_push() and skb_mpls_pop() might be called with ethernet=true
and mac_len=0. In that case the pointer passed to skb_mod_eth_type()
doesn't point to an Ethernet header and the new Ethertype is written at
unexpected locations.

Fix this by verifying that mac_len is big enough to contain an Ethernet
header.

Fixes: fa4e0f8855 ("net/sched: fix corrupted L2 header with MPLS 'push' and 'pop' actions")
Signed-off-by: Guillaume Nault <gnault@redhat.com>
Acked-by: Davide Caratti <dcaratti@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-10-14 10:33:06 +02:00
arch
arm64: dts: stratix10: add status to qspi dts node
2020-10-14 10:32:59 +02:00
block
block/diskstats: more accurate approximation of io_ticks for slow disks
2020-10-07 08:01:29 +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
block/diskstats: more accurate approximation of io_ticks for slow disks
2020-10-07 08:01:29 +02:00
drivers
mmc: core: don't set limits.discard_granularity as 0
2020-10-14 10:33:05 +02:00
fs
cifs: Fix incomplete memory allocation on setxattr path
2020-10-14 10:33:01 +02:00
include
mm: khugepaged: recalculate min_free_kbytes after memory hotplug as expected by khugepaged
2020-10-14 10:33:05 +02:00
init
kprobes: tracing/kprobes: Fix to kill kprobes on initmem after boot
2020-10-01 13:18:23 +02:00
ipc
ipc/util.c: sysvipc_find_ipc() incorrectly updates position index
2020-05-20 08:20:16 +02:00
kernel
perf: Fix task_function_call() error handling
2020-10-14 10:33:05 +02:00
lib
Fonts: Support FONT_EXTRA_WORDS macros for built-in fonts
2020-10-14 10:32:56 +02:00
LICENSES
LICENSES: Rename other to deprecated
2019-05-03 06:34:32 -06:00
mm
mm: khugepaged: recalculate min_free_kbytes after memory hotplug as expected by khugepaged
2020-10-14 10:33:05 +02:00
net
net/core: check length before updating Ethertype in skb_mpls_{push,pop}
2020-10-14 10:33:06 +02:00
samples
bpf: Fix fds_example SIGSEGV error
2020-08-19 08:16:03 +02:00
scripts
scripts/dtc: only append to HOST_EXTRACFLAGS instead of overwriting
2020-10-07 08:01:29 +02:00
security
device_cgroup: Fix RCU list debugging warning
2020-10-01 13:18:13 +02:00
sound
ALSA: hda/realtek: Enable front panel headset LED on Lenovo ThinkStation P520
2020-10-01 13:18:22 +02:00
tools
perf top: Fix stdio interface input handling with glibc 2.28+
2020-10-14 10:32:59 +02:00
usr
initramfs: restore default compression behavior
2020-04-08 09:08:38 +02:00
virt
KVM: arm64: Assume write fault on S1PTW permission fault on instruction fetch
2020-10-01 13:18:25 +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
Merge tag 'modules-for-v5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/jeyu/linux
2019-09-22 10:34:46 -07:00
.mailmap
Merge tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
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 5.4.70
2020-10-07 08:01:31 +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.
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