From: Bruce Richardson <bruce.richardson@intel.com>
To: David Marchand <david.marchand@redhat.com>
Cc: <dev@dpdk.org>, <stable@dpdk.org>,
Tyler Retzlaff <roretzla@linux.microsoft.com>,
Neil Horman <nhorman@tuxdriver.com>
Subject: Re: [PATCH 07/10] tailq: fix cast macro for null pointer
Date: Fri, 20 Jun 2025 10:23:36 +0100 [thread overview]
Message-ID: <aFUomNA7NI9m_8RH@bricha3-mobl1.ger.corp.intel.com> (raw)
In-Reply-To: <20250619071037.37325-8-david.marchand@redhat.com>
On Thu, Jun 19, 2025 at 09:10:33AM +0200, David Marchand wrote:
> Doing arithmetics with the NULL pointer is undefined.
>
> Caught by UBSan:
>
> ../app/test/test_tailq.c:111:9: runtime error:
> member access within null pointer of type 'struct rte_tailq_head'
>
> Fixes: f6b4f6c9c123 ("tailq: use a single cast macro")
> Cc: stable@dpdk.org
>
> Signed-off-by: David Marchand <david.marchand@redhat.com>
Acked-by: Bruce Richardson <bruce.richardson@intel.com>
next prev parent reply other threads:[~2025-06-20 9:23 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-06-19 7:10 [PATCH 00/10] Run with UBSan in GHA David Marchand
2025-06-19 7:10 ` [PATCH 01/10] ci: save ccache on failure David Marchand
2025-06-19 7:10 ` [PATCH 02/10] test/telemetry: fix test calling all commands David Marchand
2025-06-20 9:16 ` Bruce Richardson
2025-06-19 7:10 ` [PATCH 03/10] test/mempool: fix test without stack driver David Marchand
2025-06-20 8:54 ` Andrew Rybchenko
2025-06-19 7:10 ` [PATCH 04/10] eal: fix plugin dir walk David Marchand
2025-06-20 9:19 ` Bruce Richardson
2025-06-19 7:10 ` [PATCH 05/10] cmdline: fix port list parsing David Marchand
2025-06-20 9:58 ` Bruce Richardson
2025-06-19 7:10 ` [PATCH 06/10] cmdline: fix highest bit " David Marchand
2025-06-20 9:21 ` Bruce Richardson
2025-06-19 7:10 ` [PATCH 07/10] tailq: fix cast macro for null pointer David Marchand
2025-06-20 9:23 ` Bruce Richardson [this message]
2025-06-19 7:10 ` [PATCH 08/10] hash: fix unaligned access in predictable RSS David Marchand
2025-06-19 7:10 ` [PATCH 09/10] stack: fix unaligned accesses on 128-bit David Marchand
2025-06-19 7:10 ` [PATCH 10/10] build: support Undefined Behavior Sanitizer David Marchand
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