From owner-svn-src-all@freebsd.org Mon Mar 4 11:19:22 2019 Return-Path: Delivered-To: svn-src-all@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 92F92150D0D5; Mon, 4 Mar 2019 11:19:22 +0000 (UTC) (envelope-from fsu@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 326B4946F4; Mon, 4 Mar 2019 11:19:22 +0000 (UTC) (envelope-from fsu@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 27E12329C; Mon, 4 Mar 2019 11:19:22 +0000 (UTC) (envelope-from fsu@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id x24BJM65024479; Mon, 4 Mar 2019 11:19:22 GMT (envelope-from fsu@FreeBSD.org) Received: (from fsu@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id x24BJM53024478; Mon, 4 Mar 2019 11:19:22 GMT (envelope-from fsu@FreeBSD.org) Message-Id: <201903041119.x24BJM53024478@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: fsu set sender to fsu@FreeBSD.org using -f From: Fedor Uporov Date: Mon, 4 Mar 2019 11:19:22 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r344755 - head/sys/fs/ext2fs X-SVN-Group: head X-SVN-Commit-Author: fsu X-SVN-Commit-Paths: head/sys/fs/ext2fs X-SVN-Commit-Revision: 344755 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Rspamd-Queue-Id: 326B4946F4 X-Spamd-Bar: -- Authentication-Results: mx1.freebsd.org X-Spamd-Result: default: False [-2.98 / 15.00]; local_wl_from(0.00)[FreeBSD.org]; NEURAL_HAM_MEDIUM(-1.00)[-0.999,0]; NEURAL_HAM_LONG(-1.00)[-1.000,0]; NEURAL_HAM_SHORT(-0.98)[-0.981,0]; ASN(0.00)[asn:11403, ipnet:2610:1c1:1::/48, country:US] X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 04 Mar 2019 11:19:22 -0000 Author: fsu Date: Mon Mar 4 11:19:21 2019 New Revision: 344755 URL: https://svnweb.freebsd.org/changeset/base/344755 Log: Fix integer overflow possibility. Reported by: Christopher Krah Reported as: FS-2-EXT2-1: Out-of-Bounds Write in nmount (ext2_vget) Reviewed by: pfg MFC after: 1 week Differential Revision: https://reviews.freebsd.org/D19326 Modified: head/sys/fs/ext2fs/ext2_vfsops.c Modified: head/sys/fs/ext2fs/ext2_vfsops.c ============================================================================== --- head/sys/fs/ext2fs/ext2_vfsops.c Mon Mar 4 11:12:19 2019 (r344754) +++ head/sys/fs/ext2fs/ext2_vfsops.c Mon Mar 4 11:19:21 2019 (r344755) @@ -1163,8 +1163,8 @@ ext2_vget(struct mount *mp, ino_t ino, int flags, stru struct buf *bp; struct vnode *vp; struct thread *td; - int i, error; - int used_blocks; + unsigned int i, used_blocks; + int error; td = curthread; error = vfs_hash_get(mp, ino, flags, td, vpp, NULL, NULL);