Re: [PATCH net V2 0/3] net/mlx5e: Fix crashes in dynamic per-channel stats and HV VHCA agent

[Jakub Kicinski]

On Wed, 17 Jun 2026 17:01:24 +0300 Tariq Toukan wrote:
> Since per-channel stats were converted to be allocated and published
> lazily at first channel open in commit fa691d0c9c08 ("net/mlx5e:
> Allocate per-channel stats dynamically at first usage"),
> priv->channel_stats[] and priv->stats_nch are filled in
> incrementally during interface bring-up. This opened a window in
> which the various stats readers - most of them reachable from
> userspace via netlink/netdev stats queries - can race with
> mlx5e_open_channel() on another CPU and observe partially
> initialized state. The HV VHCA stats agent, which is created
> before the channels are opened, hits related problems of its own.
> 
> This series by Feng fixes the resulting crashes.

No longer(?) applies:

Applying: net/mlx5e: Fix HV VHCA stats zero-sized buffer allocation
Applying: net/mlx5e: Fix HV VHCA stats agent registration race
Applying: net/mlx5e: Fix publication race for priv->channel_stats[]
error: patch failed: drivers/net/ethernet/mellanox/mlx5/core/en_main.c:5533
error: drivers/net/ethernet/mellanox/mlx5/core/en_main.c: patch does not apply
Patch failed at 0003 net/mlx5e: Fix publication race for priv->channel_stats[]
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pw-bot: cr