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Filename Latest commit message Latest commit date
Florian Westphal e4650e3af0 netfilter: arp_tables: init netns pointer in xt_tgdtor_param struct 
commit 212e7f56605ef9688d0846db60c6c6ec06544095 upstream.

An earlier commit (1b789577f655060d98d20e,
"netfilter: arp_tables: init netns pointer in xt_tgchk_param struct")
fixed missing net initialization for arptables, but turns out it was
incomplete.  We can get a very similar struct net NULL deref during
error unwinding:

general protection fault: 0000 [#1] PREEMPT SMP KASAN
RIP: 0010:xt_rateest_put+0xa1/0x440 net/netfilter/xt_RATEEST.c:77
 xt_rateest_tg_destroy+0x72/0xa0 net/netfilter/xt_RATEEST.c:175
 cleanup_entry net/ipv4/netfilter/arp_tables.c:509 [inline]
 translate_table+0x11f4/0x1d80 net/ipv4/netfilter/arp_tables.c:587
 do_replace net/ipv4/netfilter/arp_tables.c:981 [inline]
 do_arpt_set_ctl+0x317/0x650 net/ipv4/netfilter/arp_tables.c:1461

Also init the netns pointer in xt_tgdtor_param struct.

Fixes: add6746124 ("netfilter: add struct net * to target parameters")
Reported-by: syzbot+91bdd8eece0f6629ec8b@syzkaller.appspotmail.com
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>
2020-01-23 08:22:47 +01:00
arch ARM: dts: imx7: Fix Toradex Colibri iMX7S 256MB NAND flash support 2020-01-23 08:22:43 +01:00
block block: Fix the type of 'sts' in bsg_queue_rq() 2020-01-23 08:22:44 +01:00
certs
crypto crypto: algif_skcipher - Use chunksize instead of blocksize 2020-01-17 19:48:46 +01:00
Documentation mei: fix modalias documentation 2020-01-17 19:48:48 +01:00
drivers i2c: iop3xx: Fix memory leak in probe error path 2020-01-23 08:22:47 +01:00
fs Btrfs: always copy scrub arguments back to user space 2020-01-23 08:22:41 +01:00
include bpf: Sockmap/tls, push write_space updates through ulp updates 2020-01-23 08:22:45 +01:00
init mm, debug_pagealloc: don't rely on static keys too early 2020-01-23 08:22:40 +01:00
ipc
kernel bpf: Fix incorrect verifier simulation of ARSH under ALU32 2020-01-23 08:22:44 +01:00
lib sbitmap: only queue kyber's wait callback if not already active 2020-01-12 12:21:44 +01:00
LICENSES
mm mm/page-writeback.c: avoid potential division by zero in wb_min_max_ratio() 2020-01-23 08:22:41 +01:00
net netfilter: arp_tables: init netns pointer in xt_tgdtor_param struct 2020-01-23 08:22:47 +01:00
samples samples: bpf: fix syscall_tp due to unused syscall 2020-01-12 12:21:26 +01:00
scripts kbuild/deb-pkg: annotate libelf-dev dependency as :native 2020-01-17 19:49:07 +01:00
security tomoyo: Suppress RCU warning at list_for_each_entry_rcu(). 2020-01-17 19:49:05 +01:00
sound ALSA: usb-audio: fix sync-ep altsetting sanity check 2020-01-23 08:22:31 +01:00
tools perf report: Fix incorrectly added dimensions as switch perf data file 2020-01-23 08:22:39 +01:00
usr gen_initramfs_list.sh: fix 'bad variable name' error 2020-01-09 10:20:00 +01:00
virt
.clang-format
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore
.mailmap
COPYING
CREDITS
Kbuild
Kconfig
MAINTAINERS MAINTAINERS: Append missed file to the database 2020-01-17 19:48:28 +01:00
Makefile Linux 5.4.13 2020-01-17 19:49:08 +01:00
README

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.