[PATCH net-next 7/7] net/mlx5: Don't use %pK through tracepoints
Tariq Toukan
ttoukan.linux at gmail.com
Mon Apr 14 03:49:24 PDT 2025
On 14/04/2025 11:26, Thomas Weißschuh wrote:
> In the past %pK was preferable to %p as it would not leak raw pointer
> values into the kernel log.
> Since commit ad67b74d2469 ("printk: hash addresses printed with %p")
> the regular %p has been improved to avoid this issue.
> Furthermore, restricted pointers ("%pK") were never meant to be used
> through tracepoints. They can still unintentionally leak raw pointers or
> acquire sleeping looks in atomic contexts.
>
> Switch to the regular pointer formatting which is safer and
> easier to reason about.
> There are still a few users of %pK left, but these use it through seq_file,
> for which its usage is safe.
>
> Signed-off-by: Thomas Weißschuh <thomas.weissschuh at linutronix.de>
> ---
> drivers/net/ethernet/mellanox/mlx5/core/sf/dev/diag/dev_tracepoint.h | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
Reviewed-by: Tariq Toukan <tariqt at nvidia.com>
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