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Florian Westphal 1f3b9000cb netfilter: x_tables: fix compat match/target pad out-of-bound write 
commit b29c457a65 upstream.

xt_compat_match/target_from_user doesn't check that zeroing the area
to start of next rule won't write past end of allocated ruleset blob.

Remove this code and zero the entire blob beforehand.

Reported-by: syzbot+cfc0247ac173f597aaaa@syzkaller.appspotmail.com
Reported-by: Andy Nguyen <theflow@google.com>
Fixes: 9fa492cdc1 ("[NETFILTER]: x_tables: simplify compat API")
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-04-16 11:43:21 +02:00
arch
riscv,entry: fix misaligned base for excp_vect_table
2021-04-16 11:43:21 +02:00
block
block: only update parent bi_status when bio fail
2021-04-16 11:43:21 +02:00
certs
certs: Fix blacklist flag type confusion
2021-03-04 11:37:59 +01:00
crypto
crypto: mips/poly1305 - enable for all MIPS processors
2021-03-17 17:06:10 +01:00
Documentation
dt-bindings: net: ethernet-controller: fix typo in NVMEM
2021-04-14 08:42:12 +02:00
drivers
null_blk: fix command timeout completion handling
2021-04-16 11:43:21 +02:00
fs
block: don't ignore REQ_NOWAIT for direct IO
2021-04-16 11:43:21 +02:00
include
gpu: host1x: Use different lock classes for each client
2021-04-16 11:43:20 +02:00
init
init/Kconfig: make COMPILE_TEST depend on HAS_IOMEM
2021-04-10 13:36:11 +02:00
ipc
ipc: adjust proc_ipc_sem_dointvec definition to match prototype
2020-09-05 12:14:29 -07:00
kernel
ftrace: Check if pages were allocated before calling free_pages()
2021-04-16 11:43:20 +02:00
lib
XArray: Fix splitting to non-zero orders
2021-04-16 11:43:21 +02:00
LICENSES
LICENSES/deprecated: add Zlib license text
2020-09-16 14:33:49 +02:00
mm
percpu: make pcpu_nr_empty_pop_pages per chunk type
2021-04-14 08:42:03 +02:00
net
netfilter: x_tables: fix compat match/target pad out-of-bound write
2021-04-16 11:43:21 +02:00
samples
samples, bpf: Add missing munmap in xdpsock
2021-03-17 17:06:12 +01:00
scripts
kbuild: dummy-tools: fix inverted tests for gcc
2021-03-30 14:31:50 +02:00
security
selinux: fix race between old and new sidtab
2021-04-14 08:41:57 +02:00
sound
ASoC: sunxi: sun4i-codec: fill ASoC card owner
2021-04-14 08:42:08 +02:00
tools
idr test suite: Create anchor before launching throbber
2021-04-16 11:43:21 +02:00
usr
Merge branch 'work.fdpic' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2020-08-07 13:29:39 -07:00
virt
KVM: Use kvm_pfn_t for local PFN variable in hva_to_pfn_remapped()
2021-02-26 10:13:01 +01:00
.clang-format
Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma
2020-10-17 11:18:18 -07:00
.cocciconfig
scripts: add Linux .cocciconfig for coccinelle
2016-07-22 12:13:39 +02:00
.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
.gitignore: docs: ignore sphinx_*/ directories
2020-09-10 10:44:31 -06:00
.mailmap
mailmap: add two more addresses of Uwe Kleine-König
2020-12-06 10:19:07 -08:00
COPYING
COPYING: state that all contributions really are covered by this file
2020-02-10 13:32:20 -08:00
CREDITS
MAINTAINERS: Move Jason Cooper to CREDITS
2020-11-30 10:20:34 +01:00
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
MAINTAINERS: move the staging subsystem to lists.linux.dev
2021-03-25 09:04:18 +01:00
Makefile
Linux 5.10.30
2021-04-14 08:42:14 +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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