From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-15.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 98CCCC4338F for ; Tue, 10 Aug 2021 14:44:43 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7A53760EB5 for ; Tue, 10 Aug 2021 14:44:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237554AbhHJOpD (ORCPT ); Tue, 10 Aug 2021 10:45:03 -0400 Received: from mx.cjr.nz ([51.158.111.142]:48996 "EHLO mx.cjr.nz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S241557AbhHJOpC (ORCPT ); Tue, 10 Aug 2021 10:45:02 -0400 Received: from authenticated-user (mx.cjr.nz [51.158.111.142]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (P-384) server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: pc) by mx.cjr.nz (Postfix) with ESMTPSA id 888317FCFE; Tue, 10 Aug 2021 14:44:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=cjr.nz; s=dkim; t=1628606679; 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: in-reply-to:in-reply-to:references:references; bh=QXS4vZ7Woje/Yq9Tz2fz3Wqicc2dQsyEQC/1R0hUpCQ=; b=NPGkzQ04gnStFJ3heGrmlLzNAHIzphWBnWDSQwuTvyB+B3GeEaBjmh5McN1ABswPxAAVaY /8nNWFZTuJz0kUu3J1/dQDVsoH8pEGpUwFkZD7vlAuQkQDV1COBY9YsFcx+UwIkyUfj8hK 4T6EfE+SGR1PqNofv/fvEdHKe+zvMmG8npxJEQCTZhWTitU4sQ5TMEBitGoAECAEUNA7j2 zSOOSKOGlsL+rKD0JzP/BtEN+O53ckAW+gcXblwZHIp2/QQZT7VgoGu49Iv17LwTk1HPbQ xgBhgysL+P8GN58sgEJex35c1yL0CZX8Jj8D6ctRBZLxxIR9VW1jKW9r3yE/XQ== From: Paulo Alcantara To: Ronnie Sahlberg , linux-cifs Cc: Steve French Subject: Re: [PATCH] cifs: use the correct max-length for dentry_path_raw() In-Reply-To: <20210810063355.721945-1-lsahlber@redhat.com> References: <20210810063355.721945-1-lsahlber@redhat.com> Date: Tue, 10 Aug 2021 11:44:34 -0300 Message-ID: <87zgtpmka5.fsf@cjr.nz> MIME-Version: 1.0 Content-Type: text/plain Precedence: bulk List-ID: X-Mailing-List: linux-cifs@vger.kernel.org Ronnie Sahlberg writes: > RHBZ: 1972502 > > PATH_MAX is 4096 but PAGE_SIZE can be >4096 on some architectures > such as ppc and would thus write beyond the end of the actual object. > > CC: Stable > Reported-by: Xiaoli Feng > Suggested-by: Brian foster > Signed-off-by: Ronnie Sahlberg > --- > fs/cifs/dir.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) Reviewed-by: Paulo Alcantara (SUSE)