Re: [PATCH net] eth: fbnic: take netif_addr_lock_bh() around rx mode address programming

[Simon Horman]

On Wed, Jun 17, 2026 at 03:39:49AM -0700, Daniel Zahka wrote:
> When __fbnic_set_rx_mode() is called from contexts other than
> .ndo_set_rx_mode_async(), the uc and mc addr lists are accessed
> without the addr lock that __hw_addr_sync_dev() and
> __hw_addr_unsync_dev() require. Wrap these unprotected accesses with
> netif_addr_lock_bh(). fbnic_clear_rx_mode() has similar issues.
> 
> Fixes: eb690ef8d1c2 ("eth: fbnic: Add L2 address programming")
> Assisted-by: Claude:claude-opus-4-8
> Signed-off-by: Daniel Zahka <daniel.zahka@xxxxxxxxx>

Reviewed-by: Simon Horman <horms@xxxxxxxxxx>