openwrt/target
HsiuWen Yen ac04be82c4 netfilter: fix crash in flow offload by adding netns support
Commit fcb41decf6 ("config: enable some useful features on
!SMALL_FLASH devices") enabled netns, which in turn lead to the crash in
the flow offload target.

When the flow offloading framework intends to delete a flow from the
hardware table, it is necessary to retrieve the namespace from
nf_flowtable->ft_net. However, no one ever wrote the namespace into
nf_flowtable->ft_net in advance. So the framework will mistakenly use a
NULL namespace to execute dev_get_by_index_rcu(net, ifindex), leading to
the kernel panic.

Ref: FS#2321
Fixes: fcb41decf6 ("config: enable some useful features on !SMALL_FLASH devices")
Tested-by: Simon Tretter <simon@mediaarchitectu.re>
Signed-off-by: HsiuWen Yen <y.hsiuwen@gmail.com>
[merged patch into offload patch, fix for 4.19, SOB fix, commit subj/msg touches]
Signed-off-by: Petr Štetiar <ynezz@true.cz>
(cherry-picked from commit d344591e72)
2019-09-26 10:22:13 +02:00
..
imagebuilder imagebuilder: fix make info for empty SUPPORTED_DEVICES 2019-08-22 21:19:04 +02:00
linux netfilter: fix crash in flow offload by adding netns support 2019-09-26 10:22:13 +02:00
sdk sdk: use bundle-libraries.sh to ship kernel objtool tools 2019-09-04 13:47:04 +02:00
toolchain target/toolchain/files/wrapper.sh: simplify 'case' 2019-09-04 13:28:08 +02:00
Config.in build: add a config option for enabling a testing version of the target kernel 2019-05-11 11:37:10 +02:00
Makefile build: make <subdir>/install opt-in, use it for target/ only 2017-02-09 13:51:35 +01:00