Re: [can-next v2] can: proc: remove pointers from CAN specific proc output

Sebastian Andrzej Siewior <[email protected]>
Newsgroups org.kernel.vger.linux-can
Message-ID <[email protected]>
On 2026-08-15 12:34:00 [+0200], Oliver Hartkopp wrote:
> The proc content in /proc/net/can/ and /proc/net/can-bcm/ is intended to
> check the internal filter lists (af_can, can_raw) and the efficiency and
> functionality of can_bcm jobs. While it was ok to leak kernel internal
> addresses at time of writing the times have changed and multiple attempts
> have been taken to hash or remove such now sensible data.
> 
> This patch removes the disclosure of pointers and instead provides the
> function names and sock inode numbers when available. As there's no known
> tooling around the CAN specific proc output breaking the ABI with this
> rework creates no issue.
> 
> Suggested-by: Sebastian Andrzej Siewior <[email protected]>
> Signed-off-by: Oliver Hartkopp <[email protected]>

Reviewed-by: Sebastian Andrzej Siewior <[email protected]>

Sebastian
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