From: Dmitry Kozlyuk <dmitry.kozliuk@gmail.com>
To: okaya@kernel.org
Cc: dev@dpdk.org
Subject: Re: [PATCH v2 09/11] malloc: check result of malloc_elem_free
Date: Tue, 22 Nov 2022 18:52:43 +0300 [thread overview]
Message-ID: <20221122185243.7cdb3e59@sovereign> (raw)
In-Reply-To: <20221121223208.1147154-10-okaya@kernel.org>
2022-11-21 17:32 (UTC-0500), okaya@kernel.org:
> From: Sinan Kaya <okaya@kernel.org>
>
> In malloc_heap_free result of call to malloc_elem_free is dereferenced
> here and may be null.
It may not: "malloc_elem_free()" never returns NULL by definition:
it takes a valid busy element and returns a valid free element.
How about annotating the function instead?
next prev parent reply other threads:[~2022-11-22 15:52 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-11-21 22:31 [PATCH v2 00/11] codeql fixes for various subsystems okaya
2022-11-21 22:32 ` [PATCH v2 01/11] ethdev: check return result of rte_eth_dev_info_get okaya
2022-11-21 22:32 ` [PATCH v2 02/11] net/tap: check if name is null okaya
2022-11-21 22:32 ` [PATCH v2 03/11] memzone: check result of rte_fbarray_get okaya
2022-11-21 22:32 ` [PATCH v2 04/11] memzone: check result of malloc_elem_from_data okaya
2022-11-22 15:52 ` Dmitry Kozlyuk
2022-11-21 22:32 ` [PATCH v2 05/11] malloc: malloc_elem_join_adjacent_free can return null okaya
2022-11-22 15:52 ` Dmitry Kozlyuk
2022-11-21 22:32 ` [PATCH v2 06/11] malloc: check result of rte_mem_virt2memseg_list okaya
2022-11-22 15:52 ` Dmitry Kozlyuk
2022-11-21 22:32 ` [PATCH v2 07/11] malloc: check result of rte_fbarray_get okaya
2022-11-22 15:52 ` Dmitry Kozlyuk
2022-11-21 22:32 ` [PATCH v2 08/11] malloc: check result of rte_mem_virt2memseg okaya
2022-11-22 15:52 ` Dmitry Kozlyuk
2022-11-21 22:32 ` [PATCH v2 09/11] malloc: check result of malloc_elem_free okaya
2022-11-22 15:52 ` Dmitry Kozlyuk [this message]
2022-11-22 15:24 ` [PATCH v2 00/11] codeql fixes for various subsystems David Marchand
2022-11-22 15:26 ` Sinan Kaya
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