netdev - mlx5: WARNING: register_netdevice_notifier_dev

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Message-ID: <20250224-noisy-cordial-roadrunner-fad40c@leitao>
Date: Mon, 24 Feb 2025 10:04:23 -0800
From: Breno Leitao <leitao@...ian.org>
To: saeedm@...dia.com, tariqt@...dia.com
Cc: netdev@...r.kernel.org, kernel-team@...a.com, thevlad@...a.com
Subject: mlx5: WARNING: register_netdevice_notifier_dev_net

Hello,

I've begun noticing these messages in version 6.14, and they persist in
6.14-rc4 as in 082ecbc71e9 (“Linux 6.14-rc4"). As I haven't found any
reports about this issue, I'm bringing it to your attention.

	WARNING: CPU: 25 PID: 849 at net/core/dev.c:2150 register_netdevice_notifier_dev_net (net/core/dev.c:2150)
	
	<TASK>
	? __warn (kernel/panic.c:242 kernel/panic.c:748)
	? register_netdevice_notifier_dev_net (net/core/dev.c:2150)
	? register_netdevice_notifier_dev_net (net/core/dev.c:2150)
	? report_bug (lib/bug.c:? lib/bug.c:219)
	? handle_bug (arch/x86/kernel/traps.c:285)
	? exc_invalid_op (arch/x86/kernel/traps.c:309)
	? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621)
	? register_netdevice_notifier_dev_net (net/core/dev.c:2150)
	19:02:13 ? register_netdevice_notifier_dev_net (./include/net/net_namespace.h:406 ./include/linux/netdevice.h:2663 net/core/dev.c:2144)
	mlx5e_mdev_notifier_event+0x9f/0xf0 mlx5_ib
	notifier_call_chain.llvm.12241336988804114627 (kernel/notifier.c:85)
	blocking_notifier_call_chain (kernel/notifier.c:380)
	mlx5_core_uplink_netdev_event_replay (drivers/net/ethernet/mellanox/mlx5/core/main.c:352)
	mlx5_ib_roce_init.llvm.12447516292400117075+0x1c6/0x550 mlx5_ib
	mlx5r_probe+0x375/0x6a0 mlx5_ib
	? kernfs_put (./include/linux/instrumented.h:96 ./include/linux/atomic/atomic-arch-fallback.h:2278 ./include/linux/atomic/atomic-instrumented.h:1384 fs/kernfs/dir.c:557)
	? auxiliary_match_id (drivers/base/auxiliary.c:174)
	? mlx5r_mp_remove+0x160/0x160 mlx5_ib
	really_probe (drivers/base/dd.c:? drivers/base/dd.c:658)
	driver_probe_device (drivers/base/dd.c:830)
	__driver_attach (drivers/base/dd.c:1217)
	bus_for_each_dev (drivers/base/bus.c:369)
	? driver_attach (drivers/base/dd.c:1157)
	bus_add_driver (drivers/base/bus.c:679)
	driver_register (drivers/base/driver.c:249)
	__auxiliary_driver_register (drivers/ba

Let me know if you need further information about the problem,
--breno