From nobody Sun Oct 5 03:36:02 2025 Received: from out-189.mta0.migadu.com (out-189.mta0.migadu.com [91.218.175.189]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 92D6C14AD2D for ; Sun, 10 Aug 2025 21:46:21 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=91.218.175.189 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1754862383; cv=none; b=JGhsqUDXo768bF6LgVQGx+KtmOuhrYaY3uOlmPAP/saqzqbOeZlEJNbSgot15UaglHcIrORxY2eH80GL0Ft6hjSVXDkJDdjMZPczz+QranXPYhJk27W2nZi/NbIdPCmY8VIIxTRNarS6kt/WsfJ2XGeMhTJp4yQEbHUCDQpGcgI= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1754862383; c=relaxed/simple; bh=3lb7CNWXWj/0lVz3lq5IWv1xf83j7ci93bPWMzEtKn8=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=L/o2JBXArQn7zBGI8WvMqhAyyKTeku3e2nb5ls/7q1On7+uhjw4eIt/rgzscbpdXmurIqEyLo/jvE49m/ALD+qLPBDkJv3THXeuvZ53WQ8OV2Dt+rTPWmHXhtdFMmxhDpT4PsD7Yr7wAc9Gv8l30uSy/aKY5iMxN6+ubu0YTIkI= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev; spf=pass smtp.mailfrom=linux.dev; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b=jIe3SHNS; arc=none smtp.client-ip=91.218.175.189 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b="jIe3SHNS" X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1754862378; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=KJWYSmh0vtV383XJHV8tlONMgw6pZPjQQlSlvf2Ndis=; b=jIe3SHNS8yF6IVW4KdU540++UJBWMNwSHbjl439zZJKO4NYzUv53LNEJAnI7iR+rfy839U o5ZpSQa0lR195AhfRfpw1u/Z7mgmx9Gc0A/m69VZB0j+WoZ47pVCTIvZMzu0IzbyAyTvT9 TGE4EcRpRkehtEW3oClM3KIAH6qeNK0= From: Thorsten Blum To: Petr Pavlu , =?UTF-8?q?Thomas=20Wei=C3=9Fschuh?= , Shyam Saini , Luis Chamberlain , Dmitry Antipov , Thorsten Blum Cc: linux-kernel@vger.kernel.org Subject: [PATCH] params: Replace deprecated strcpy() with strscpy() Date: Sun, 10 Aug 2025 23:44:53 +0200 Message-ID: <20250810214456.2236-1-thorsten.blum@linux.dev> 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 X-Migadu-Flow: FLOW_OUT Content-Type: text/plain; charset="utf-8" strcpy() is deprecated; use strscpy() instead. Link: https://github.com/KSPP/linux/issues/88 Signed-off-by: Thorsten Blum --- kernel/params.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/kernel/params.c b/kernel/params.c index b92d64161b75..88765f2d5d56 100644 --- a/kernel/params.c +++ b/kernel/params.c @@ -513,13 +513,14 @@ EXPORT_SYMBOL(param_array_ops); int param_set_copystring(const char *val, const struct kernel_param *kp) { const struct kparam_string *kps =3D kp->str; + const size_t len =3D strnlen(val, kps->maxlen); =20 - if (strnlen(val, kps->maxlen) =3D=3D kps->maxlen) { + if (len =3D=3D kps->maxlen) { pr_err("%s: string doesn't fit in %u chars.\n", kp->name, kps->maxlen-1); return -ENOSPC; } - strcpy(kps->string, val); + strscpy(kps->string, val, len + 1); return 0; } EXPORT_SYMBOL(param_set_copystring); @@ -841,7 +842,7 @@ static void __init param_sysfs_builtin(void) dot =3D strchr(kp->name, '.'); if (!dot) { /* This happens for core_param() */ - strcpy(modname, "kernel"); + strscpy(modname, "kernel"); name_len =3D 0; } else { name_len =3D dot - kp->name + 1; --=20 2.50.1