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Wed, 02 Apr 2025 17:17:50 -0700 (PDT) Received: from localhost.localdomain ([109.72.196.54]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-39c301a0a90sm255250f8f.21.2025.04.02.17.17.47 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 02 Apr 2025 17:17:49 -0700 (PDT) From: Mohammad Mahdi Anbaraki To: geert@linux-m68k.org Cc: linux-m68k@lists.linux-m68k.org, linux-kernel@vger.kernel.org, Mohammad Mahdi Anbaraki Subject: [PATCH] m64k/kernel: replace strncpy() with strscpy() Date: Thu, 3 Apr 2025 03:46:27 +0330 Message-ID: <20250403001628.29920-1-m.mahdianbaraki@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" Swapped out strncpy() for strscpy() in parse_uboot_commandline() while copying to commandp. strscpy() makes sure the string is properly null- terminated and gives a more useful return value so it's just a safer=20 choice overall. Link: https://github.com/KSPP/linux/issues/90 Signed-off-by: Mohammad Mahdi Anbaraki --- arch/m68k/kernel/uboot.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/m68k/kernel/uboot.c b/arch/m68k/kernel/uboot.c index 5e52ea150..fa7c279ea 100644 --- a/arch/m68k/kernel/uboot.c +++ b/arch/m68k/kernel/uboot.c @@ -73,7 +73,7 @@ static void __init parse_uboot_commandline(char *commandp= , int size) uboot_cmd_end =3D sp[5]; =20 if (uboot_cmd_start && uboot_cmd_end) - strncpy(commandp, (const char *)uboot_cmd_start, size); + strscpy(commandp, (const char *)uboot_cmd_start, size); =20 #if defined(CONFIG_BLK_DEV_INITRD) uboot_initrd_start =3D sp[2]; --=20 2.43.0