From patchwork Fri Aug 16 02:07:40 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Kunwu Chan X-Patchwork-Id: 13765366 X-Patchwork-Delegate: kuba@kernel.org 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 EF98E405C9 for ; Fri, 16 Aug 2024 02:07:49 +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=1723774072; cv=none; b=e+uif6NMIJbjkEIudbd3VOTkFlEFQvxcM2WpVRUBO/cNKNce89i29SMh9MqFsQRPqNBueCXQ3cT+/S8QwciisO0BSjaBbVuWX5voGcm3RnxDSWR1BmdPoCuevDQMyoBxA7djF4ZF/OpX0+DYFnnE6KjPq9N0dOiSIagNL346yP8= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1723774072; c=relaxed/simple; bh=XNY7vebXqMrmetrq/aYt5R7z2tZ5wuo67ImP2WdSgSE=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version:Content-Type; b=HFQM8pNdvFxM5ac4wXWQWXhuMiEsbAfn/RREEUczVtwxbMuhXrqfII4YrINtL4esh+C8sogbDuEA0z7epag/BdiovlA7nFrsCtIjtAC+IEE9QPtA1WPVqId0a3p6ABpBPSKVSXNUl0R3L9chnEGnjEfwfjrdlFv+07cCr6W2DFw= 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=qeKaKKT7; 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="qeKaKKT7" 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=1723774067; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=Updp3ZdjWPHrFJNsKQqxeNoYexZubNwa7gQLBwn9a/Q=; b=qeKaKKT70yy3bIr7JqOaWjEat6Yt/VVuhpgWgpG9dvIy3CsD2mKOye6aWyIeSGC8tohUEf hxuiOtWv8xh9QTYVkGzknTY1K6n9aj1MdJtbiXckbWc5sCdCrR7ubSyWCJK5k/TiuKJPax QDShZ9TsoFFQf14tk18+YFWM2qYjVZ4= From: kunwu.chan@linux.dev To: trondmy@kernel.org, anna@kernel.org, chuck.lever@oracle.com, jlayton@kernel.org, neilb@suse.de, kolga@netapp.com, Dai.Ngo@oracle.com, tom@talpey.com, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com Cc: linux-nfs@vger.kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, Kunwu Chan Subject: [PATCH v2] SUNRPC: Fix -Wformat-truncation warning Date: Fri, 16 Aug 2024 10:07:40 +0800 Message-Id: <20240816020740.15135-1-kunwu.chan@linux.dev> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Migadu-Flow: FLOW_OUT X-Patchwork-Delegate: kuba@kernel.org From: Kunwu Chan Increase size of the servername array to avoid truncated output warning. net/sunrpc/clnt.c:582:75: error：‘%s’ directive output may be truncated writing up to 107 bytes into a region of size 48 [-Werror=format-truncation=] 582 | snprintf(servername, sizeof(servername), "%s", | ^~ net/sunrpc/clnt.c:582:33: note:‘snprintf’ output between 1 and 108 bytes into a destination of size 48 582 | snprintf(servername, sizeof(servername), "%s", | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 583 | sun->sun_path); Signed-off-by: Kunwu Chan Suggested-by: NeilBrown --- Change in v2: - change the array size to RPC_MAXNETNAMELEN as suggested --- net/sunrpc/clnt.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c index 09f29a95f2bc..c7cea069a5df 100644 --- a/net/sunrpc/clnt.c +++ b/net/sunrpc/clnt.c @@ -546,7 +546,7 @@ struct rpc_clnt *rpc_create(struct rpc_create_args *args) .connect_timeout = args->connect_timeout, .reconnect_timeout = args->reconnect_timeout, }; - char servername[48]; + char servername[RPC_MAXNETNAMELEN]; struct rpc_clnt *clnt; int i;