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Pablo Neira Ayuso 36983fc2f8 netfilter: nf_tables: initialize set before expression setup 
commit ad9f151e56 upstream.

nft_set_elem_expr_alloc() needs an initialized set if expression sets on
the NFT_EXPR_GC flag. Move set fields initialization before expression
setup.

[4512935.019450] ==================================================================
[4512935.019456] BUG: KASAN: null-ptr-deref in nft_set_elem_expr_alloc+0x84/0xd0 [nf_tables]
[4512935.019487] Read of size 8 at addr 0000000000000070 by task nft/23532
[4512935.019494] CPU: 1 PID: 23532 Comm: nft Not tainted 5.12.0-rc4+ #48
[...]
[4512935.019502] Call Trace:
[4512935.019505]  dump_stack+0x89/0xb4
[4512935.019512]  ? nft_set_elem_expr_alloc+0x84/0xd0 [nf_tables]
[4512935.019536]  ? nft_set_elem_expr_alloc+0x84/0xd0 [nf_tables]
[4512935.019560]  kasan_report.cold.12+0x5f/0xd8
[4512935.019566]  ? nft_set_elem_expr_alloc+0x84/0xd0 [nf_tables]
[4512935.019590]  nft_set_elem_expr_alloc+0x84/0xd0 [nf_tables]
[4512935.019615]  nf_tables_newset+0xc7f/0x1460 [nf_tables]

Reported-by: syzbot+ce96ca2b1d0b37c6422d@syzkaller.appspotmail.com
Fixes: 65038428b2 ("netfilter: nf_tables: allow to specify stateful expression in set definition")
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-09-12 08:58:27 +02:00
arch
x86/events/amd/iommu: Fix invalid Perf result due to IOMMU PMC power-gating
2021-09-12 08:58:27 +02:00
block
blk-mq: fix is_flush_rq
2021-09-12 08:58:27 +02:00
certs
certs: add 'x509_revocation_list' to gitignore
2021-07-20 16:05:35 +02:00
crypto
crypto: sm2 - fix a memory leak in sm2
2021-07-14 16:56:06 +02:00
Documentation
dt-bindings: sifive-l2-cache: Fix 'select' matching
2021-09-03 10:09:26 +02:00
drivers
Revert "r8169: avoid link-up interrupt issue on RTL8106e if user enables ASPM"
2021-09-12 08:58:27 +02:00
fs
fuse: fix illegal access to inode with reused nodeid
2021-09-08 08:49:02 +02:00
include
tty: drop termiox user definitions
2021-09-12 08:58:27 +02:00
init
sched/core: Initialize the idle task with preemption disabled
2021-07-14 16:55:50 +02:00
ipc
ipc/mqueue, msg, sem: avoid relying on a stack reference past its expiry
2021-05-26 12:06:54 +02:00
kernel
static_call: Fix unused variable warn w/o MODULE
2021-09-08 08:49:00 +02:00
lib
net: kcov: don't select SKB_EXTENSIONS when there is no NET
2021-09-12 08:58:26 +02:00
LICENSES
LICENSES/deprecated: add Zlib license text
2020-09-16 14:33:49 +02:00
mm
mm/page_alloc: speed up the iteration of max_order
2021-09-12 08:58:26 +02:00
net
netfilter: nf_tables: initialize set before expression setup
2021-09-12 08:58:27 +02:00
samples
samples/bpf: Fix the error return code of xdp_redirect's main()
2021-07-14 16:56:23 +02:00
scripts
scripts/tracing: fix the bug that can't parse raw_trace_func
2021-08-12 13:22:12 +02:00
security
bpf: Add lockdown check for probe_write_user helper
2021-08-15 14:00:25 +02:00
sound
ALSA: pcm: fix divide error in snd_pcm_lib_ioctl
2021-09-08 08:49:01 +02:00
tools
perf annotate: Fix jump parsing for C++ code.
2021-09-03 10:09:29 +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: Do not leak memory for duplicate debugfs directories
2021-08-12 13:22:17 +02:00
.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
kbuild: generate Module.symvers only when vmlinux exists
2021-05-19 10:12:59 +02:00
.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
f2fs: move ioctl interface definitions to separated file
2021-05-19 10:13:00 +02:00
Makefile
Linux 5.10.63
2021-09-08 08:49:02 +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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