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David Ahern 83daab0625 l3mdev: l3mdev_master_upper_ifindex_by_index_rcu should be using netdev_master_upper_dev_get_rcu
Next patch uses l3mdev_master_upper_ifindex_by_index_rcu which throws
a splat with debug kernels:

[13783.087570] ------------[ cut here ]------------
[13783.093974] RTNL: assertion failed at net/core/dev.c (6702)
[13783.100761] WARNING: CPU: 3 PID: 51132 at net/core/dev.c:6702 netdev_master_upper_dev_get+0x16a/0x1a0

[13783.184226] CPU: 3 PID: 51132 Comm: kworker/3:3 Not tainted 5.17.0-custom-100090-g6f963aafb1cc #682
[13783.194788] Hardware name: Mellanox Technologies Ltd. MSN2010/SA002610, BIOS 5.6.5 08/24/2017
[13783.204755] Workqueue: mld mld_ifc_work [ipv6]
[13783.210338] RIP: 0010:netdev_master_upper_dev_get+0x16a/0x1a0
[13783.217209] Code: 0f 85 e3 fe ff ff e8 65 ac ec fe ba 2e 1a 00 00 48 c7 c6 60 6f 38 83 48 c7 c7 c0 70 38 83 c6 05 5e b5 d7 01 01 e8 c6 29 52 00 <0f> 0b e9 b8 fe ff ff e8 5a 6c 35 ff e9 1c ff ff ff 48 89 ef e8 7d
[13783.238659] RSP: 0018:ffffc9000b37f5a8 EFLAGS: 00010286
[13783.244995] RAX: 0000000000000000 RBX: ffff88812ee5c000 RCX: 0000000000000000
[13783.253379] RDX: ffff88811ce09d40 RSI: ffffffff812d0fcd RDI: fffff5200166fea7
[13783.261769] RBP: 0000000000000000 R08: 0000000000000001 R09: ffff8882375f4287
[13783.270138] R10: ffffed1046ebe850 R11: 0000000000000001 R12: dffffc0000000000
[13783.278510] R13: 0000000000000275 R14: ffffc9000b37f688 R15: ffff8881273b4af8
[13783.286870] FS:  0000000000000000(0000) GS:ffff888237400000(0000) knlGS:0000000000000000
[13783.296352] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[13783.303177] CR2: 00007ff25fc9b2e8 CR3: 0000000174d23000 CR4: 00000000001006e0
[13783.311546] Call Trace:
[13783.314660]  <TASK>
[13783.317553]  l3mdev_master_upper_ifindex_by_index_rcu+0x43/0xe0
...

Change l3mdev_master_upper_ifindex_by_index_rcu to use
netdev_master_upper_dev_get_rcu.

Fixes: 6a6d6681ac ("l3mdev: add function to retreive upper master")
Signed-off-by: Ido Schimmel <idosch@idosch.org>
Signed-off-by: David Ahern <dsahern@kernel.org>
Cc: Alexis Bauvin <abauvin@scaleway.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-04-15 14:27:24 -07:00
arch x86: 2022-04-12 14:16:33 -10:00
block for-5.18/block-2022-04-01 2022-04-01 16:20:00 -07:00
certs Kbuild updates for v5.18 2022-03-31 11:59:03 -07:00
crypto for-5.18/64bit-pi-2022-03-25 2022-03-26 12:01:35 -07:00
Documentation Networking fixes for 5.18-rc3, including fixes from wireless and 2022-04-14 11:58:19 -07:00
drivers Merge branch '1GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/net-queue 2022-04-15 14:25:42 -07:00
fs for-5.18-rc2-tag 2022-04-14 10:58:27 -07:00
include Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec 2022-04-15 11:20:10 +01:00
init Kbuild updates for v5.18 2022-03-31 11:59:03 -07:00
ipc fs: allocate inode by using alloc_inode_sb() 2022-03-22 15:57:03 -07:00
kernel - A couple of fixes to cgroup-related handling of perf events 2022-04-10 07:08:22 -10:00
lib Driver core changes for 5.18-rc2 2022-04-10 09:55:09 -10:00
LICENSES LICENSES/LGPL-2.1: Add LGPL-2.1-or-later as valid identifiers 2021-12-16 14:33:10 +01:00
mm - Allow the compiler to optimize away unused percpu accesses and change 2022-04-10 06:56:46 -10:00
net l3mdev: l3mdev_master_upper_ifindex_by_index_rcu should be using netdev_master_upper_dev_get_rcu 2022-04-15 14:27:24 -07:00
samples dma-mapping updates for Linux 5.18 2022-03-29 08:50:14 -07:00
scripts hardening fixes for v5.18-rc3 2022-04-12 14:29:40 -10:00
security hardening updates for v5.18-rc1-fix1 2022-03-31 11:43:01 -07:00
sound sound fixes for 5.18-rc3 2022-04-14 11:08:12 -07:00
tools x86: 2022-04-12 14:16:33 -10:00
usr Kbuild updates for v5.18 2022-03-31 11:59:03 -07:00
virt KVM/arm64 fixes for 5.18, take #1 2022-04-08 12:30:04 -04:00
.clang-format genirq/msi: Make interrupt allocation less convoluted 2021-12-16 22:22:20 +01:00
.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: use 'dts' diff driver for dts files 2019-12-04 19:44:11 -08:00
.gitignore .gitignore: ignore only top-level modules.builtin 2021-05-02 00:43:35 +09:00
.mailmap mailmap: update Vasily Averin's email address 2022-04-08 14:20:36 -10:00
COPYING COPYING: state that all contributions really are covered by this file 2020-02-10 13:32:20 -08:00
CREDITS MAINTAINERS: replace a Microchip AT91 maintainer 2022-02-09 11:30:01 +01:00
Kbuild kbuild: rename hostprogs-y/always to hostprogs/always-y 2020-02-04 01:53:07 +09:00
Kconfig kbuild: ensure full rebuild when the compiler is updated 2020-05-12 13:28:33 +09:00
MAINTAINERS powerpc: Update MAINTAINERS for ibmvnic and VAS 2022-04-15 12:07:33 +01:00
Makefile Linux 5.18-rc2 2022-04-10 14:21:36 -10:00
README Drop all 00-INDEX files from Documentation/ 2018-09-09 15:08:58 -06:00

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.