From mboxrd@z Thu Jan 1 00:00:00 1970 Delivery-date: Fri, 07 May 2021 12:57:41 +0200 Received: from metis.ext.pengutronix.de ([2001:67c:670:201:290:27ff:fe1d:cc33]) by lore.white.stw.pengutronix.de with esmtp (Exim 4.92) (envelope-from ) id 1leyAv-0004Io-8A for lore@lore.pengutronix.de; Fri, 07 May 2021 12:57:41 +0200 Received: from desiato.infradead.org ([2001:8b0:10b:1:d65d:64ff:fe57:4e05]) by metis.ext.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1leyAu-0004xn-F0 for lore@pengutronix.de; Fri, 07 May 2021 12:57:41 +0200 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=desiato.20200630; h=Sender:Content-Transfer-Encoding :Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To:Message-Id:Date: Subject:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=HuIdkk/35sXROxqMMU4dii5IT83HSuq9Yzf47SOeuzc=; b=ZM8eAEokgQPWOOkFXFI0whL/c hvVnuZiMbDJIT/IbO82EYXw7vszOfAmFOQ6edx+rsuzazvLVrkAtMFJJdtojLQRUa1gBmWdPyAA4b cDaPe9nu9gah4ADrTWBhm29unAReXyAQe+IFXFg1NFnGzHmbR67xIVBcBVqV43pc+6MDy0Ho9+3e7 Zyy0WhmWAcdNyRru3v5SWoYGe8U6FdntTryazbypuMxMgipZPemdPucQBXVOH1/pqa+Wf2X7DDM7J APX83F/aI7Rrb++zeoHXM5WCm45H6xhIx6slr0FhAhAwnlWN9+MYht9lUDfs+QiWEf2b3q3Uzs9om C4JT9+Gkg==; Received: from localhost ([::1] helo=desiato.infradead.org) by desiato.infradead.org with esmtp (Exim 4.94 #2 (Red Hat Linux)) id 1leyA1-006tBI-1G; Fri, 07 May 2021 10:56:45 +0000 Received: from bombadil.infradead.org ([2607:7c80:54:e::133]) by desiato.infradead.org with esmtps (Exim 4.94 #2 (Red Hat Linux)) id 1ley9w-006tAD-8E for barebox@desiato.infradead.org; Fri, 07 May 2021 10:56:40 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; h=Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From:Sender :Reply-To:Content-Type:Content-ID:Content-Description; bh=DNIgQW17SaihWq9/JKPsUPJBM7wdQQzx+/iFCHOk4FE=; b=2GYqJNJwUMPwxlZlrQmCtGSqiW uAu9NxsAp3H7R0cUuc+WCB+yQsJ4VOVddgqOKFruKI/hNgerqAQ/jbYTu9vC2xvj3KJXccPlo0trf bsCSkMzgvr7Q7aDPYxZQltofrrT4y06+QbMNOQ3R+6a+loUvf1/asLuQqEUzUo9H/sNPTqiDYHb9t vWwL76hMy+QQX6BaKyCaq77FBcNlVlONmjdIHcKLipcocR0p9VJ93vtMbZtZsbUqeMKuBu+6ddzoW US6JXlLRjSJb1MzLYeS+gFXBww31M7L/dQ3sK8oABwrFYPmTlVBW8jxsFYmHEdJB3zaMfMrRurdCC 9uz/s4uQ==; Received: from metis.ext.pengutronix.de ([2001:67c:670:201:290:27ff:fe1d:cc33]) by bombadil.infradead.org with esmtps (Exim 4.94 #2 (Red Hat Linux)) id 1ley9t-006nTw-U8 for barebox@lists.infradead.org; Fri, 07 May 2021 10:56:39 +0000 Received: from dude02.hi.pengutronix.de ([2001:67c:670:100:1d::28]) by metis.ext.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1ley9U-0004ZY-Ms; Fri, 07 May 2021 12:56:12 +0200 Received: from sha by dude02.hi.pengutronix.de with local (Exim 4.92) (envelope-from ) id 1ley9U-000567-6I; Fri, 07 May 2021 12:56:12 +0200 From: Sascha Hauer To: Barebox List Date: Fri, 7 May 2021 12:56:10 +0200 Message-Id: <20210507105611.17017-3-s.hauer@pengutronix.de> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20210507105611.17017-1-s.hauer@pengutronix.de> References: <20210507105611.17017-1-s.hauer@pengutronix.de> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210507_035637_987067_DE451955 X-CRM114-Status: GOOD ( 10.16 ) X-BeenThere: barebox@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Neeraj Pal Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "barebox" X-SA-Exim-Connect-IP: 2001:8b0:10b:1:d65d:64ff:fe57:4e05 X-SA-Exim-Mail-From: barebox-bounces+lore=pengutronix.de@lists.infradead.org X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on metis.ext.pengutronix.de X-Spam-Level: X-Spam-Status: No, score=-3.8 required=4.0 tests=AWL,BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_NONE autolearn=unavailable autolearn_force=no version=3.4.2 Subject: [PATCH 2/3] fs: check for valid name in filename_lookup() X-SA-Exim-Version: 4.2.1 (built Wed, 08 May 2019 21:11:16 +0000) X-SA-Exim-Scanned: Yes (on metis.ext.pengutronix.de) The getname() return value is passed to filename_lookup() without checking the return value, so this must be done in filename_lookup(). Signed-off-by: Sascha Hauer --- fs/fs.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/fs/fs.c b/fs/fs.c index 09fccf9c28..2eaf7eaa37 100644 --- a/fs/fs.c +++ b/fs/fs.c @@ -2189,6 +2189,9 @@ static int filename_lookup(int dfd, struct filename *name, unsigned flags, struct nameidata nd; const char *s; + if (IS_ERR(name)) + return PTR_ERR(name); + set_nameidata(&nd, dfd, name); s = path_init(&nd, flags); -- 2.29.2 _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox