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Willem de Bruijn a93417dfc1 net: check untrusted gso_size at kernel entry 
[ Upstream commit 6dd912f826 ]

Syzkaller again found a path to a kernel crash through bad gso input:
a packet with gso size exceeding len.

These packets are dropped in tcp_gso_segment and udp[46]_ufo_fragment.
But they may affect gso size calculations earlier in the path.

Now that we have thlen as of commit 9274124f02 ("net: stricter
validation of untrusted gso packets"), check gso_size at entry too.

Fixes: bfd5f4a3d6 ("packet: Add GSO/csum offload support.")
Reported-by: syzbot <syzkaller@googlegroups.com>
Signed-off-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-06-10 20:24:55 +02:00
arch
s390/mm: fix set_huge_pte_at() for empty ptes
2020-06-07 13:18:51 +02:00
block
Revert "block: end bio with BLK_STS_AGAIN in case of non-mq devs and REQ_NOWAIT"
2020-06-03 08:21:27 +02:00
certs
PKCS#7: Refactor verify_pkcs7_signature()
2019-08-05 18:40:18 -04:00
crypto
gcc-10: avoid shadowing standard library 'free()' in crypto
2020-05-20 08:20:29 +02:00
Documentation
USB: hub: Revert commit bd0e6c9614 ("usb: hub: try old enumeration scheme first for high speed devices")
2020-04-29 16:33:14 +02:00
drivers
nfp: flower: fix used time of merge flow statistics
2020-06-10 20:24:55 +02:00
fs
io_uring: initialize ctx->sqo_wait earlier
2020-06-07 13:18:50 +02:00
include
net: check untrusted gso_size at kernel entry
2020-06-10 20:24:55 +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
kernel/relay.c: handle alloc_percpu returning NULL in relay_open
2020-06-07 13:18:47 +02:00
lib
vsprintf: don't obfuscate NULL and error pointers
2020-05-27 17:46:43 +02:00
LICENSES
LICENSES: Rename other to deprecated
2019-05-03 06:34:32 -06:00
mm
mm: Fix mremap not considering huge pmd devmap
2020-06-07 13:18:46 +02:00
net
vsock: fix timeout in vsock_accept()
2020-06-10 20:24:55 +02:00
samples
samples: bpf: Fix build error
2020-06-03 08:21:15 +02:00
scripts
kbuild: Remove debug info from kallsyms linking
2020-05-27 17:46:44 +02:00
security
evm: Fix RCU list related warnings
2020-06-07 13:18:50 +02:00
sound
ASoC: intel - fix the card names
2020-06-07 13:18:49 +02:00
tools
selftests: mlxsw: qos_mc_aware: Specify arping timeout as an integer
2020-06-07 13:18:52 +02:00
usr
initramfs: restore default compression behavior
2020-04-08 09:08:38 +02:00
virt
KVM: arm: vgic: Synchronize the whole guest on GIC{D,R}_I{S,C}ACTIVER read
2020-05-20 08:20:04 +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
MAINTAINERS: Update drm/i915 bug filing URL
2020-02-28 17:22:19 +01:00
Makefile
Linux 5.4.45
2020-06-07 13:18:52 +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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