linux-kernel - Re: [PATCH net v2] af_packet: move notifier's packet_dev

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Message-Id: 
 <174835382850.1645024.12860246850484744014.git-patchwork-notify@kernel.org>
Date: Tue, 27 May 2025 13:50:28 +0000
From: patchwork-bot+netdevbpf@...nel.org
To: Stanislav Fomichev <stfomichev@...il.com>
Cc: netdev@...r.kernel.org, davem@...emloft.net, edumazet@...gle.com,
 kuba@...nel.org, pabeni@...hat.com, willemdebruijn.kernel@...il.com,
 horms@...nel.org, linux-kernel@...r.kernel.org,
 syzbot+b191b5ccad8d7a986286@...kaller.appspotmail.com
Subject: Re: [PATCH net v2] af_packet: move notifier's packet_dev_mc out of rcu
 critical section

Hello:

This patch was applied to netdev/net.git (main)
by Paolo Abeni <pabeni@...hat.com>:

On Wed, 21 May 2025 20:11:28 -0700 you wrote:
> Syzkaller reports the following issue:
> 
>  BUG: sleeping function called from invalid context at kernel/locking/mutex.c:578
>  __mutex_lock+0x106/0xe80 kernel/locking/mutex.c:746
>  team_change_rx_flags+0x38/0x220 drivers/net/team/team_core.c:1781
>  dev_change_rx_flags net/core/dev.c:9145 [inline]
>  __dev_set_promiscuity+0x3f8/0x590 net/core/dev.c:9189
>  netif_set_promiscuity+0x50/0xe0 net/core/dev.c:9201
>  dev_set_promiscuity+0x126/0x260 net/core/dev_api.c:286 packet_dev_mc net/packet/af_packet.c:3698 [inline]
>  packet_dev_mclist_delete net/packet/af_packet.c:3722 [inline]
>  packet_notifier+0x292/0xa60 net/packet/af_packet.c:4247
>  notifier_call_chain+0x1b3/0x3e0 kernel/notifier.c:85
>  call_netdevice_notifiers_extack net/core/dev.c:2214 [inline]
>  call_netdevice_notifiers net/core/dev.c:2228 [inline]
>  unregister_netdevice_many_notify+0x15d8/0x2330 net/core/dev.c:11972
>  rtnl_delete_link net/core/rtnetlink.c:3522 [inline]
>  rtnl_dellink+0x488/0x710 net/core/rtnetlink.c:3564
>  rtnetlink_rcv_msg+0x7cf/0xb70 net/core/rtnetlink.c:6955
>  netlink_rcv_skb+0x219/0x490 net/netlink/af_netlink.c:2534
> 
> [...]

Here is the summary with links:
  - [net,v2] af_packet: move notifier's packet_dev_mc out of rcu critical section
    https://git.kernel.org/netdev/net/c/d8d85ef0a631

You are awesome, thank you!
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