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From: Stephen Hemminger <stephen@networkplumber.org>
To: dev@dpdk.org
Cc: Ajit Khaparde <ajit.khaparde@broadcom.com>,
	Somnath Kotur <somnath.kotur@broadcom.com>,
	Peter Spreadborough <peter.spreadborough@broadcom.com>,
	Farah Smith <farah.smith@broadcom.com>,
	Jay Ding <jay.ding@broadcom.com>,
	Shahaji Bhosle <sbhosle@broadcom.com>
Subject: Re: [PATCH] net/bnxt: fix free of not allocated object
Date: Sat, 2 Aug 2025 09:03:03 -0700	[thread overview]
Message-ID: <20250802090303.3f76b97e@hermes.local> (raw)
In-Reply-To: <20250521193727.382342-1-stephen@networkplumber.org>

On Wed, 21 May 2025 12:37:27 -0700
Stephen Hemminger <stephen@networkplumber.org> wrote:

> This was found as error when compiling with LTO.
> The function allocates new data with rte_zmalloc and then
> stores pointer in the pointer-to-pointer passed as argument.
> In the unwind case, it would call rte_free() with wrong one.
> 
> Fixes: 80317ff6adfd ("net/bnxt/tf_core: support Thor2")
> 
> Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
> ---

Ping. This fixes a real bug why is it being ignored?

In function ‘tfo_open’,                                                         
    inlined from ‘tfc_open’ at ../drivers/net/bnxt/tf_core/v3/tfc_init.c:34:2,
    inlined from ‘ulp_tfc_ctx_attach’ at ../drivers/net/bnxt/tf_ulp/bnxt_ulp_tfc.c:783:7:
../drivers/net/bnxt/tf_core/v3/tfo.c:108:17: warning: ‘rte_free’ called on pointer ‘bp_44(D)’ with nonzero offset 800 [-Wfree-nonheap-object]
  108 |                 rte_free(tfo);
      |                 ^
In function ‘tfo_open’,
    inlined from ‘tfc_open’ at ../drivers/net/bnxt/tf_core/v3/tfc_init.c:34:2,
    inlined from ‘ulp_tfc_init’ at ../drivers/net/bnxt/tf_ulp/bnxt_ulp_tfc.c:957:7:
../drivers/net/bnxt/tf_core/v3/tfo.c:108:17: warning: ‘rte_free’ called on pointer ‘bp_74(D)’ with nonzero offset 800 [-Wfree-nonheap-object]
  108 |                 rte_free(tfo);
      |                 ^

      parent reply	other threads:[~2025-08-02 16:03 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-05-21 19:37 Stephen Hemminger
2025-06-17 13:51 ` Stephen Hemminger
2025-08-02 16:03 ` Stephen Hemminger [this message]

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