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Pablo Neira Ayuso daf61b026f netfilter: nf_flow_table: set timeout before insertion into hashes 
Other garbage collector might remove an entry not fully set up yet.

[570953.958293] RIP: 0010:memcmp+0x9/0x50
[...]
[570953.958567]  flow_offload_hash_cmp+0x1e/0x30 [nf_flow_table]
[570953.958585]  flow_offload_lookup+0x8c/0x110 [nf_flow_table]
[570953.958606]  nf_flow_offload_ip_hook+0x135/0xb30 [nf_flow_table]
[570953.958624]  nf_flow_offload_inet_hook+0x35/0x37 [nf_flow_table_inet]
[570953.958646]  nf_hook_slow+0x3c/0xb0
[570953.958664]  __netif_receive_skb_core+0x90f/0xb10
[570953.958678]  ? ip_rcv_finish+0x82/0xa0
[570953.958692]  __netif_receive_skb_one_core+0x3b/0x80
[570953.958711]  __netif_receive_skb+0x18/0x60
[570953.958727]  netif_receive_skb_internal+0x45/0xf0
[570953.958741]  napi_gro_receive+0xcd/0xf0
[570953.958764]  ixgbe_clean_rx_irq+0x432/0xe00 [ixgbe]
[570953.958782]  ixgbe_poll+0x27b/0x700 [ixgbe]
[570953.958796]  net_rx_action+0x284/0x3c0
[570953.958817]  __do_softirq+0xcc/0x27c
[570953.959464]  irq_exit+0xe8/0x100
[570953.960097]  do_IRQ+0x59/0xe0
[570953.960734]  common_interrupt+0xf/0xf

Fixes: 43c8f13118 ("netfilter: nf_flow_table: fix missing error check for rhashtable_insert_fast")
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2019-10-23 13:14:50 +02:00
arch Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2019-10-19 17:09:11 -04:00
block blk-rq-qos: fix first node deletion of rq_qos_del() 2019-10-15 10:13:13 -06:00
certs PKCS#7: Refactor verify_pkcs7_signature() 2019-08-05 18:40:18 -04:00
crypto Merge branch 'next-lockdown' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security 2019-09-28 08:14:15 -07:00
Documentation Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2019-10-19 17:09:11 -04:00
drivers bnxt_en: Avoid disabling pci device in bnxt_remove_one() for already disabled device. 2019-10-22 13:15:39 -07:00
fs Merge branch 'akpm' (patches from Andrew) 2019-10-19 06:53:59 -04:00
include dynamic_debug: provide dynamic_hex_dump stub 2019-10-22 12:54:44 -07:00
init Merge branch 'next-lockdown' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security 2019-09-28 08:14:15 -07:00
ipc ipc/sem.c: convert to use built-in RCU list checking 2019-09-25 17:51:41 -07:00
kernel kernel/events/uprobes.c: only do FOLL_SPLIT_PMD for uprobe register 2019-10-19 06:32:33 -04:00
lib copy-struct-from-user-v5.4-rc4 2019-10-18 18:19:04 -04:00
LICENSES LICENSES: Rename other to deprecated 2019-05-03 06:34:32 -06:00
mm mm/thp: allow dropping THP from page cache 2019-10-19 06:32:33 -04:00
net netfilter: nf_flow_table: set timeout before insertion into hashes 2019-10-23 13:14:50 +02:00
samples samples/bpf: Add a workaround for asm_inline 2019-10-03 17:37:11 +02:00
scripts scripts/gdb: fix debugging modules on s390 2019-10-19 06:32:33 -04:00
security selinux/stable-5.4 PR 20191007 2019-10-08 10:51:37 -07:00
sound ALSA: hda - Force runtime PM on Nvidia HDMI codecs 2019-10-17 17:45:32 +02:00
tools selftests: Make l2tp.sh executable 2019-10-22 14:01:35 -07:00
usr kbuild: update compile-test header list for v5.4-rc2 2019-10-05 15:29:49 +09:00
virt KVM/arm fixes for 5.4, take #1 2019-10-03 12:08:50 +02:00
.clang-format clang-format: Update with the latest for_each macro list 2019-08-31 10:00:51 +02:00
.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: set git diff driver for C source code files 2016-10-07 18:46:30 -07:00
.gitignore Modules updates for v5.4 2019-09-22 10:34:46 -07:00
.mailmap Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next 2019-09-18 12:34:53 -07:00
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 Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2019-10-19 17:09:11 -04:00
Makefile Linux 5.4-rc3 2019-10-13 16:37:36 -07:00
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.