From: Bruce Richardson <bruce.richardson@intel.com>
To: Anatoly Burakov <anatoly.burakov@intel.com>
Cc: <dev@dpdk.org>, Grishma Kotecha <grishma.kotecha@intel.com>,
Leyi Rong <leyi.rong@intel.com>, Qi Zhang <qi.z.zhang@intel.com>,
Paul M Stillwell Jr <paul.m.stillwell.jr@intel.com>,
<stable@dpdk.org>
Subject: Re: [PATCH v1 04/12] net/ice/base: fix memory leak in recipe handling
Date: Fri, 5 Sep 2025 16:10:33 +0100 [thread overview]
Message-ID: <aLr9aTY3Xy05bn24@bricha3-mobl1.ger.corp.intel.com> (raw)
In-Reply-To: <bc0a3f0b28bfb84d7a8a372d43950c4730c4a189.1756833701.git.anatoly.burakov@intel.com>
On Tue, Sep 02, 2025 at 06:26:54PM +0100, Anatoly Burakov wrote:
> From: Pandi Kumar Maharajan <pandi.maharajan@intel.com>
>
> Advanced filter operations (apply/remove GENEVE/VXLAN filters) trigger
> the call chain: ice_add_adv_rule()/ice_rem_adv_rule() -> ice_find_recp()
> -> ice_get_recp_frm_fw(). Each call to ice_get_recp_frm_fw() creates new
> linked list entries for SW recipe tracking without cleaning up previous
> entries for the same recipe ID. The linked list then continuously grows
> with each filter add/remove operation, leading to excessive heap usage
> over time.
>
> Fix the memory leak by adding logic to remove the duplicate entries
> before adding new ones for the same recipe ID.
>
> Fixes: fed0c5ca5f19 ("net/ice/base: support programming a new switch recipe")
> Cc: stable@dpdk.org
>
> Signed-off-by: Pandi Kumar Maharajan <pandi.maharajan@intel.com>
> Signed-off-by: Anatoly Burakov <anatoly.burakov@intel.com>
> ---
Acked-by: Bruce Richardson <bruce.richardson@intel.com>
prev parent reply other threads:[~2025-09-05 15:10 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <cover.1756833701.git.anatoly.burakov@intel.com>
2025-09-02 17:26 ` [PATCH v1 02/12] net/ice/base: fix adding special words Anatoly Burakov
2025-09-05 15:06 ` Bruce Richardson
2025-09-02 17:26 ` [PATCH v1 03/12] net/ice/base: fix memory leak in HW profile handling Anatoly Burakov
2025-09-05 15:08 ` Bruce Richardson
2025-09-02 17:26 ` [PATCH v1 04/12] net/ice/base: fix memory leak in recipe handling Anatoly Burakov
2025-09-05 15:10 ` Bruce Richardson [this message]
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