From owner-svn-src-head@freebsd.org Wed Jan 23 17:28:40 2019 Return-Path: Delivered-To: svn-src-head@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 52D7214ADA47; Wed, 23 Jan 2019 17:28:40 +0000 (UTC) (envelope-from markj@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) server-signature RSA-PSS (4096 bits) client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id EB4D583021; Wed, 23 Jan 2019 17:28:39 +0000 (UTC) (envelope-from markj@FreeBSD.org) Received: from repo.freebsd.org (repo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id D99E31BD88; Wed, 23 Jan 2019 17:28:39 +0000 (UTC) (envelope-from markj@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id x0NHSdLu099507; Wed, 23 Jan 2019 17:28:39 GMT (envelope-from markj@FreeBSD.org) Received: (from markj@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id x0NHSdqH099506; Wed, 23 Jan 2019 17:28:39 GMT (envelope-from markj@FreeBSD.org) Message-Id: <201901231728.x0NHSdqH099506@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: markj set sender to markj@FreeBSD.org using -f From: Mark Johnston Date: Wed, 23 Jan 2019 17:28:39 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r343348 - head/sys/dev/ocs_fc X-SVN-Group: head X-SVN-Commit-Author: markj X-SVN-Commit-Paths: head/sys/dev/ocs_fc X-SVN-Commit-Revision: 343348 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Rspamd-Queue-Id: EB4D583021 X-Spamd-Bar: -- Authentication-Results: mx1.freebsd.org X-Spamd-Result: default: False [-2.95 / 15.00]; local_wl_from(0.00)[FreeBSD.org]; NEURAL_HAM_MEDIUM(-1.00)[-0.998,0]; NEURAL_HAM_LONG(-1.00)[-1.000,0]; NEURAL_HAM_SHORT(-0.95)[-0.952,0]; ASN(0.00)[asn:11403, ipnet:2610:1c1:1::/48, country:US] X-BeenThere: svn-src-head@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: SVN commit messages for the src tree for head/-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 23 Jan 2019 17:28:40 -0000 Author: markj Date: Wed Jan 23 17:28:39 2019 New Revision: 343348 URL: https://svnweb.freebsd.org/changeset/base/343348 Log: ocs_fc: Ensure that we zero-initialize memory before copying it out. Note that the affected interface is available only to root. admbugs: 765 Reported by: Vlad Tsyrklevich Reviewed by: emaste, ram MFC after: 1 day Security: Kernel memory disclosure Sponsored by: The FreeBSD Foundation Differential Revision: https://reviews.freebsd.org/D18914 Modified: head/sys/dev/ocs_fc/ocs_mgmt.c Modified: head/sys/dev/ocs_fc/ocs_mgmt.c ============================================================================== --- head/sys/dev/ocs_fc/ocs_mgmt.c Wed Jan 23 16:44:21 2019 (r343347) +++ head/sys/dev/ocs_fc/ocs_mgmt.c Wed Jan 23 17:28:39 2019 (r343348) @@ -851,6 +851,7 @@ ocs_mgmt_firmware_write(ocs_t *ocs, char *name, void * if (arg_out_length > sizeof(status_str)) { arg_out_length = sizeof(status_str); } + ocs_memset(status_str, 0, sizeof(status_str)); ocs_snprintf(status_str, arg_out_length, "%d", change_status); if (ocs_copy_to_user(arg_out, status_str, arg_out_length)) { ocs_log_test(ocs, "copy to user failed for change_status\n");