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Commit fcb41decf6c6 ("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: fcb41decf6c6 ("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>
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_______ ________ __ | |.-----.-----.-----.| | | |.----.| |_ | - || _ | -__| || | | || _|| _| |_______|| __|_____|__|__||________||__| |____| |__| W I R E L E S S F R E E D O M ----------------------------------------------------- This is the buildsystem for the OpenWrt Linux distribution. To build your own firmware you need a Linux, BSD or MacOSX system (case sensitive filesystem required). Cygwin is unsupported because of the lack of a case sensitive file system. You need gcc, binutils, bzip2, flex, python, perl, make, find, grep, diff, unzip, gawk, getopt, subversion, libz-dev and libc headers installed. 1. Run "./scripts/feeds update -a" to obtain all the latest package definitions defined in feeds.conf / feeds.conf.default 2. Run "./scripts/feeds install -a" to install symlinks for all obtained packages into package/feeds/ 3. Run "make menuconfig" to select your preferred configuration for the toolchain, target system & firmware packages. 4. Run "make" to build your firmware. This will download all sources, build the cross-compile toolchain and then cross-compile the Linux kernel & all chosen applications for your target system. Sunshine! Your OpenWrt Community http://www.openwrt.org
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