From owner-dev-commits-src-main@freebsd.org Fri Jan 8 18:32:31 2021 Return-Path: Delivered-To: dev-commits-src-main@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 D94164D1CF9; Fri, 8 Jan 2021 18:32:31 +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 "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4DCBXv5rbpz4mG1; Fri, 8 Jan 2021 18:32:31 +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 BB82827D47; Fri, 8 Jan 2021 18:32:31 +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 108IWVJa056778; Fri, 8 Jan 2021 18:32:31 GMT (envelope-from git@gitrepo.freebsd.org) Received: (from git@localhost) by gitrepo.freebsd.org (8.16.1/8.16.1/Submit) id 108IWVsE056777; Fri, 8 Jan 2021 18:32:31 GMT (envelope-from git) Date: Fri, 8 Jan 2021 18:32:31 GMT Message-Id: <202101081832.108IWVsE056777@gitrepo.freebsd.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org From: Mark Johnston Subject: git: adc0dcc352bb - main - mpr, mps: Fix an off-by-one bug in the BTDH_MAPPING ioctl 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/main X-Git-Reftype: branch X-Git-Commit: adc0dcc352bb9f5a67a054d95c6959ea5aa26d91 Auto-Submitted: auto-generated X-BeenThere: dev-commits-src-main@freebsd.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Commit messages for the main branch of the src repository List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 08 Jan 2021 18:32:31 -0000 The branch main has been updated by markj: URL: https://cgit.FreeBSD.org/src/commit/?id=adc0dcc352bb9f5a67a054d95c6959ea5aa26d91 commit adc0dcc352bb9f5a67a054d95c6959ea5aa26d91 Author: Mark Johnston AuthorDate: 2021-01-08 18:32:05 +0000 Commit: Mark Johnston CommitDate: 2021-01-08 18:32:05 +0000 mpr, mps: Fix an off-by-one bug in the BTDH_MAPPING ioctl The device mapping table contains sc->max_devices entries, so only indices in [0, sc->max_devices) are valid. MFC after: 3 days Sponsored by: The FreeBSD Foundation Differential Revision: https://reviews.freebsd.org/D27964 --- sys/dev/mpr/mpr_user.c | 2 +- sys/dev/mps/mps_user.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/sys/dev/mpr/mpr_user.c b/sys/dev/mpr/mpr_user.c index 236e5c9715df..cab865e2e535 100644 --- a/sys/dev/mpr/mpr_user.c +++ b/sys/dev/mpr/mpr_user.c @@ -2226,7 +2226,7 @@ mpr_user_btdh(struct mpr_softc *sc, mpr_btdh_mapping_t *data) if (bus != 0) return (EINVAL); - if (target > sc->max_devices) { + if (target >= sc->max_devices) { mpr_dprint(sc, MPR_XINFO, "Target ID is out of range " "for Bus/Target to DevHandle mapping."); return (EINVAL); diff --git a/sys/dev/mps/mps_user.c b/sys/dev/mps/mps_user.c index c80fbc68cdf3..9d4aab54562f 100644 --- a/sys/dev/mps/mps_user.c +++ b/sys/dev/mps/mps_user.c @@ -2128,7 +2128,7 @@ mps_user_btdh(struct mps_softc *sc, mps_btdh_mapping_t *data) if (bus != 0) return (EINVAL); - if (target > sc->max_devices) { + if (target >= sc->max_devices) { mps_dprint(sc, MPS_FAULT, "Target ID is out of range " "for Bus/Target to DevHandle mapping."); return (EINVAL);