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Thu, 02 Oct 2025 21:59:50 -0700 (PDT) Received: from gmail.com ([136.226.167.117]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-4255d8a8542sm6242734f8f.9.2025.10.02.21.59.45 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 02 Oct 2025 21:59:49 -0700 (PDT) From: hariconscious@gmail.com To: lgirdwood@gmail.com, peter.ujfalusi@linux.intel.com, yung-chuan.liao@linux.intel.com, ranjani.sridharan@linux.intel.com, daniel.baluta@nxp.com, kai.vehmanen@linux.intel.com, pierre-louis.bossart@linux.dev Cc: shuah@kernel.org, broonie@kernel.org, perex@perex.cz, tiwai@suse.com, sound-open-firmware@alsa-project.org, linux-sound@vger.kernel.org, linux-kernel@vger.kernel.org, HariKrishna Sagala Subject: [PATCH RESEND] sound/soc/sof:Use kmalloc_array instead of kmalloc Date: Fri, 3 Oct 2025 10:28:50 +0530 Message-ID: <20251003045849.1172-2-hariconscious@gmail.com> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: HariKrishna Sagala Documentation/process/deprecated.rst recommends to avoid the use of kmalloc with dynamic size calculations due to the risk of them overflowing. This could lead to values wrapping around and a smaller allocation being made than the caller was expecting. Replace kmalloc() with kmalloc_array() Signed-off-by: HariKrishna Sagala --- Resending the patch sound/soc/sof/ipc3-dtrace.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/sound/soc/sof/ipc3-dtrace.c b/sound/soc/sof/ipc3-dtrace.c index e5c8fec173c4..6ec391fd39a9 100644 --- a/sound/soc/sof/ipc3-dtrace.c +++ b/sound/soc/sof/ipc3-dtrace.c @@ -126,7 +126,7 @@ static int trace_filter_parse(struct snd_sof_dev *sdev,= char *string, capacity +=3D TRACE_FILTER_ELEMENTS_PER_ENTRY; entry =3D strchr(entry + 1, entry_delimiter[0]); } - *out =3D kmalloc(capacity * sizeof(**out), GFP_KERNEL); + *out =3D kmalloc_array(capacity, sizeof(**out), GFP_KERNEL); if (!*out) return -ENOMEM; =20 --=20 2.43.0