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David Ahern 20559e9ae2 l3mdev: l3mdev_master_upper_ifindex_by_index_rcu should be using netdev_master_upper_dev_get_rcu 
[ Upstream commit 83daab0625 ]

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>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2023-04-19 17:48:10 +08:00
arch arm64/mm: drop HAVE_ARCH_PFN_VALID 2023-04-19 17:48:08 +08:00
block block: simplify the block device syncing code 2023-04-19 17:48:07 +08:00
certs certs: Add support for using elliptic curve keys for signing modules 2021-08-23 19:55:42 +03:00
crypto crypto: xts - Add softdep on ecb 2023-04-19 17:47:16 +08:00
Documentation dt-bindings: net: snps: remove duplicate name 2023-04-19 17:48:06 +08:00
drivers net: restore alpha order to Ethernet devices in config 2023-04-19 17:48:10 +08:00
fs gfs2: assign rgrp glock before compute_bitstructs 2023-04-19 17:48:08 +08:00
include esp: limit skb_page_frag_refill use to a single page 2023-04-19 17:48:09 +08:00
init init/main.c: return 1 from handled __setup() functions 2023-04-19 17:47:40 +08:00
ipc ipc/sem: do not sleep with a spin lock held 2023-04-19 17:45:01 +08:00
kernel dma-mapping: remove bogus test for pfn_valid from dma_map_resource 2023-04-19 17:48:08 +08:00
lib stacktrace: move filter_irq_stacks() to kernel/stacktrace.c 2023-04-19 17:47:53 +08:00
LICENSES LICENSES/dual/CC-BY-4.0: Git rid of "smart quotes" 2021-07-15 06:31:24 -06:00
mm mm, kfence: support kmem_dump_obj() for KFENCE objects 2023-04-19 17:48:08 +08:00
net l3mdev: l3mdev_master_upper_ifindex_by_index_rcu should be using netdev_master_upper_dev_get_rcu 2023-04-19 17:48:10 +08:00
samples samples/bpf, xdpsock: Fix race when running for fix duration of time 2023-04-19 17:47:05 +08:00
scripts gcc-plugins: latent_entropy: use /dev/urandom 2023-04-19 17:48:04 +08:00
security Fix incorrect type in assignment of ipv6 port for audit 2023-04-19 17:47:16 +08:00
sound ALSA: hda/hdmi: fix warning about PCM count when used with SOF 2023-04-19 17:48:10 +08:00
tools perf tools: Fix segfault accessing sample_id xyarray 2023-04-19 17:48:08 +08:00
usr usr/include/Makefile: add linux/nfc.h to the compile-test coverage 2023-04-19 17:44:58 +08:00
virt KVM: avoid NULL pointer dereference in kvm_dirty_ring_push 2023-04-19 17:47:52 +08:00
.clang-format clang-format: Update with the latest for_each macro list 2021-05-12 23:32:39 +02:00
.cocciconfig
.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: add Andrej Shadura 2021-10-18 20:22:03 -10:00
COPYING COPYING: state that all contributions really are covered by this file 2020-02-10 13:32:20 -08:00
CREDITS MAINTAINERS: Move Daniel Drake to credits 2021-09-21 08:34:58 +03:00
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 MAINTAINERS: adjust file entry for of_net.c after movement 2023-04-19 17:46:04 +08:00
Makefile Linux 5.15.35 2023-04-19 17:48:07 +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.