From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: util-linux-owner@vger.kernel.org Received: from mail-wm0-f67.google.com ([74.125.82.67]:33311 "EHLO mail-wm0-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750727AbdE0SYR (ORCPT ); Sat, 27 May 2017 14:24:17 -0400 Received: by mail-wm0-f67.google.com with SMTP id b84so9021167wmh.0 for ; Sat, 27 May 2017 11:24:17 -0700 (PDT) From: Sami Kerola To: util-linux@vger.kernel.org Cc: Sami Kerola Subject: [PATCH 3/4] lib/loopdev: fix format overflow Date: Sat, 27 May 2017 19:24:08 +0100 Message-Id: <20170527182409.13985-3-kerolasa@iki.fi> In-Reply-To: <20170527182409.13985-1-kerolasa@iki.fi> References: <20170527182409.13985-1-kerolasa@iki.fi> Sender: util-linux-owner@vger.kernel.org List-ID: lib/loopdev.c:546:32: warning: '/loop/backing_file' directive output may be truncated writing 18 bytes into a region of size between 1 and 256 [-Wformat-truncation=] Signed-off-by: Sami Kerola --- lib/loopdev.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/lib/loopdev.c b/lib/loopdev.c index fd4f16692..c1d56f7b4 100644 --- a/lib/loopdev.c +++ b/lib/loopdev.c @@ -533,7 +533,7 @@ static int loopcxt_next_from_sysfs(struct loopdev_cxt *lc) fd = dirfd(iter->sysblock); while ((d = readdir(iter->sysblock))) { - char name[256]; + char name[sizeof(d->d_name) + sizeof("/loop/backing_file") + 1]; struct stat st; DBG(ITER, ul_debugobj(iter, "check %s", d->d_name)); -- 2.13.0