From owner-dev-commits-src-branches@freebsd.org Fri Jul 30 00:33:16 2021 Return-Path: Delivered-To: dev-commits-src-branches@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id E3D6F657D87; Fri, 30 Jul 2021 00:33:16 +0000 (UTC) (envelope-from git@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) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "R3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4GbSzw4v1nz4vn8; Fri, 30 Jul 2021 00:33:16 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from gitrepo.freebsd.org (gitrepo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:5]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 8DA7D1B90B; Fri, 30 Jul 2021 00:33:16 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from gitrepo.freebsd.org ([127.0.1.44]) by gitrepo.freebsd.org (8.16.1/8.16.1) with ESMTP id 16U0XGRl043645; Fri, 30 Jul 2021 00:33:16 GMT (envelope-from git@gitrepo.freebsd.org) Received: (from git@localhost) by gitrepo.freebsd.org (8.16.1/8.16.1/Submit) id 16U0XGaW043644; Fri, 30 Jul 2021 00:33:16 GMT (envelope-from git) Date: Fri, 30 Jul 2021 00:33:16 GMT Message-Id: <202107300033.16U0XGaW043644@gitrepo.freebsd.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org From: Mark Johnston Subject: git: fdeacf8fdf65 - stable/13 - acct: Zero pad bytes in accounting records MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: markj X-Git-Repository: src X-Git-Refname: refs/heads/stable/13 X-Git-Reftype: branch X-Git-Commit: fdeacf8fdf653805084d6a72292f902ed019ef23 Auto-Submitted: auto-generated X-BeenThere: dev-commits-src-branches@freebsd.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Commits to the stable branches of the FreeBSD src repository List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 30 Jul 2021 00:33:17 -0000 The branch stable/13 has been updated by markj: URL: https://cgit.FreeBSD.org/src/commit/?id=fdeacf8fdf653805084d6a72292f902ed019ef23 commit fdeacf8fdf653805084d6a72292f902ed019ef23 Author: Mark Johnston AuthorDate: 2021-07-23 14:29:57 +0000 Commit: Mark Johnston CommitDate: 2021-07-30 00:32:58 +0000 acct: Zero pad bytes in accounting records Reported by: KMSAN Sponsored by: The FreeBSD Foundation (cherry picked from commit 90959dd1e50ee820e84bed4bc63fbed140298441) --- sys/kern/kern_acct.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/sys/kern/kern_acct.c b/sys/kern/kern_acct.c index 4c1efada10da..ad272676083e 100644 --- a/sys/kern/kern_acct.c +++ b/sys/kern/kern_acct.c @@ -349,6 +349,8 @@ acct_process(struct thread *td) if (acct_vp == NULL || acct_suspended) return (0); + memset(&acct, 0, sizeof(acct)); + sx_slock(&acct_sx); /*