Re: [PATCH net v2] bonding: alb: re-check primary_is_promisc under RTNL in bond_alb_monitor

[patchwork-bot+netdevbpf]

Hello:

This patch was applied to netdev/net.git (main)
by Jakub Kicinski <kuba@xxxxxxxxxx>:

On Sat, 25 Jul 2026 23:39:30 +0000 you wrote:
> bond_alb_monitor() reads primary_is_promisc under RCU, then drops RCU and
> takes RTNL via rtnl_trylock() before undoing the promiscuity it set on the
> active slave. In that window the active slave can change under RTNL
> (RTM_DELLINK -> __bond_release_one() -> bond_alb_handle_active_change()),
> which already drops the promiscuity and clears primary_is_promisc. The
> monitor still acts on the stale decision: if the slave was removed with no
> failover, curr_active_slave is now NULL and the deref faults; if it failed
> over, the stale dev_set_promiscuity(-1) underflows the new slave's
> promiscuity counter and pins it in IFF_PROMISC.
> 
> [...]

Here is the summary with links:
  - [net,v2] bonding: alb: re-check primary_is_promisc under RTNL in bond_alb_monitor
    https://git.kernel.org/netdev/net/c/683c6ba6e58e

You are awesome, thank you!
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