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Liu Jian 01a564bab4 net: check vlan filter feature in vlan_vids_add_by_dev() and vlan_vids_del_by_dev() 
I got the below warning trace:

WARNING: CPU: 4 PID: 4056 at net/core/dev.c:11066 unregister_netdevice_many_notify
CPU: 4 PID: 4056 Comm: ip Not tainted 6.7.0-rc4+ #15
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.15.0-1 04/01/2014
RIP: 0010:unregister_netdevice_many_notify+0x9a4/0x9b0
Call Trace:
 rtnl_dellink
 rtnetlink_rcv_msg
 netlink_rcv_skb
 netlink_unicast
 netlink_sendmsg
 __sock_sendmsg
 ____sys_sendmsg
 ___sys_sendmsg
 __sys_sendmsg
 do_syscall_64
 entry_SYSCALL_64_after_hwframe

It can be repoduced via:

    ip netns add ns1
    ip netns exec ns1 ip link add bond0 type bond mode 0
    ip netns exec ns1 ip link add bond_slave_1 type veth peer veth2
    ip netns exec ns1 ip link set bond_slave_1 master bond0
[1] ip netns exec ns1 ethtool -K bond0 rx-vlan-filter off
[2] ip netns exec ns1 ip link add link bond_slave_1 name bond_slave_1.0 type vlan id 0
[3] ip netns exec ns1 ip link add link bond0 name bond0.0 type vlan id 0
[4] ip netns exec ns1 ip link set bond_slave_1 nomaster
[5] ip netns exec ns1 ip link del veth2
    ip netns del ns1

This is all caused by command [1] turning off the rx-vlan-filter function
of bond0. The reason is the same as commit 01f4fd2708 ("bonding: Fix
incorrect deletion of ETH_P_8021AD protocol vid from slaves"). Commands
[2] [3] add the same vid to slave and master respectively, causing
command [4] to empty slave->vlan_info. The following command [5] triggers
this problem.

To fix this problem, we should add VLAN_FILTER feature checks in
vlan_vids_add_by_dev() and vlan_vids_del_by_dev() to prevent incorrect
addition or deletion of vlan_vid information.

Fixes: 348a1443cc ("vlan: introduce functions to do mass addition/deletion of vids by another device")
Signed-off-by: Liu Jian <liujian56@huawei.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2023-12-19 13:13:56 +01:00
arch Current release - regressions: 2023-12-14 13:11:49 -08:00
block block-6.7-2023-12-01 2023-12-02 06:39:30 +09:00
certs This update includes the following changes: 2023-11-02 16:15:30 -10:00
crypto This push fixes a regression in ahash and hides the Kconfig sub-options for the jitter RNG. 2023-11-09 17:04:58 -08:00
Documentation fuse fixes for 6.7-rc6 2023-12-12 11:06:41 -08:00
drivers net: mana: select PAGE_POOL 2023-12-19 12:18:55 +01:00
fs for-6.7-rc5-tag 2023-12-14 11:53:00 -08:00
include * add (and fix) certificate for regdb handover to Chen-Yu Tsai 2023-12-14 19:04:58 -08:00
init As usual, lots of singleton and doubleton patches all over the tree and 2023-11-02 20:53:31 -10:00
io_uring io_uring/af_unix: disable sending io_uring over sockets 2023-12-09 21:20:33 +00:00
ipc Many singleton patches against the MM code. The patch series which are 2023-11-02 19:38:47 -10:00
kernel - Make sure tasks are thawed exactly and only once to avoid their state 2023-12-10 11:09:16 -08:00
lib 31 hotfixes. 10 of these address pre-6.6 issues and are marked cc:stable. 2023-12-08 08:36:23 -08:00
LICENSES
mm mm/madvise: add cond_resched() in madvise_cold_or_pageout_pte_range() 2023-12-06 16:12:50 -08:00
net net: check vlan filter feature in vlan_vids_add_by_dev() and vlan_vids_del_by_dev() 2023-12-19 13:13:56 +01:00
rust Kbuild updates for v6.7 2023-11-04 08:07:19 -10:00
samples Landlock updates for v6.7-rc1 2023-11-03 09:28:53 -10:00
scripts sign-file: Fix incorrect return values check 2023-12-13 12:55:11 -08:00
security + Features 2023-11-03 09:48:17 -10:00
sound ALSA: hda/realtek: Add quirk for Lenovo Yoga Pro 7 2023-12-07 19:21:08 +01:00
tools selftests: mptcp: join: fix subflow_send_ack lookup 2023-12-17 20:54:21 +00:00
usr arch: Remove Itanium (IA-64) architecture 2023-09-11 08:13:17 +00:00
virt Revert "KVM: Prevent module exit until all VMs are freed" 2023-12-01 08:12:30 -08:00
.clang-format
.cocciconfig
.get_maintainer.ignore
.gitattributes .gitattributes: set diff driver for Rust source code files 2023-05-31 17:48:25 +02:00
.gitignore kbuild: rpm-pkg: generate kernel.spec in rpmbuild/SPECS/ 2023-10-03 20:49:09 +09:00
.mailmap mailmap: add entries for Geliang Tang 2023-12-17 20:54:22 +00:00
.rustfmt.toml
COPYING
CREDITS MAINTAINERS: drop Antti Palosaari 2023-12-06 16:12:49 -08:00
Kbuild
Kconfig
MAINTAINERS net: hns3: add new maintainer for the HNS3 ethernet driver 2023-12-19 12:43:41 +01:00
Makefile Linux 6.7-rc5 2023-12-10 14:33:40 -08:00
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.