From nobody Sat Mar 18 06:17:15 2023 X-Original-To: fs@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4PdrPm4fLJz3y9hR for ; Sat, 18 Mar 2023 06:17:16 +0000 (UTC) (envelope-from bugzilla-noreply@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 4PdrPm3STpz3KGQ for ; Sat, 18 Mar 2023 06:17:16 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1679120236; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=Z5246PSWuTb86ONigZ+SKNdHyppdR1se36Ve3D414VI=; b=aVPjW4qapyPrn9YrzXxiXkSmp2ZAtmZ5bPI0rUvpTpbs6uEjdZgJiEkT6tetPaiai0nAQV cUK3vniQ2rzyj2YfrEev5viTgu6JXVIX9rGGWM/H5GBGe9uYgf1RcXEwqkRszC8DK1UbiO ydvJ0eIa/SW0suijUW8zZrt1vCLd1jK2qURQqxA+6a0jDaY1C5erM+CIXcL5PjG67ipR4G UigWbSpX8JyqiOz8FbJ3lK7v+S7rHnlXrNbMk5iRzBDVwNeLm8jI2tR4rZCuXVbA4VIyBH To1xGPZUmppWwrKaF1bu/KHI4hu7gRku7BezQouSLGEjbMVuU58IKaokcanLSQ== ARC-Authentication-Results: i=1; mx1.freebsd.org; none ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1679120236; a=rsa-sha256; cv=none; b=bCeuUpOGltiHtj6NI30jwoHysMi78ZO4QLvquYUS5mNaO4L7ADwMT5wvC9wwrSW+jwTzKk MPj15QIKv5WpAhuB9WIgyllhyRlJ0g73oQCrTHXkQW0hakal8i3rPHQ7YxHuB9qoaHB80u oeoYi5xQaQE3dPfjLV75OlzxlbOWzUd255mnkqxf5Pu+zmBOGYpUrj1ovVzuRQqzojdZd4 E9tMe4jFlRrSfsctSNYqDGoTTA8imKLHILeGXpXR2WNjTBulu5rVCPDJcJwqScvFXypBz7 S+oSBaQdQGTyMTENCjrOjamEXia6p1a7vr8ptYsJ8+NoYdp0xwijJX3xPtms2A== Received: from kenobi.freebsd.org (kenobi.freebsd.org [IPv6:2610:1c1:1:606c::50:1d]) (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 4PdrPm2ZSVzwpc for ; Sat, 18 Mar 2023 06:17:16 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org ([127.0.1.5]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id 32I6HGap054767 for ; Sat, 18 Mar 2023 06:17:16 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from bugzilla@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 32I6HGhR054766 for fs@FreeBSD.org; Sat, 18 Mar 2023 06:17:16 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: bugzilla set sender to bugzilla-noreply@freebsd.org using -f From: bugzilla-noreply@freebsd.org To: fs@FreeBSD.org Subject: [Bug 259068] ext2fs can violate some INVARIANTS if file system is damaged Date: Sat, 18 Mar 2023 06:17:15 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: CURRENT X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: commit-hook@FreeBSD.org X-Bugzilla-Status: Open X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: fs@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated List-Id: Filesystems List-Archive: https://lists.freebsd.org/archives/freebsd-fs List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-fs@freebsd.org MIME-Version: 1.0 X-ThisMailContainsUnwantedMimeParts: N https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D259068 --- Comment #1 from commit-hook@FreeBSD.org --- A commit in branch main references this bug: URL: https://cgit.FreeBSD.org/src/commit/?id=3D366da717deda3964ae369f1f2fbd62114= d14c587 commit 366da717deda3964ae369f1f2fbd62114d14c587 Author: Fedor Uporov AuthorDate: 2023-02-09 09:34:25 +0000 Commit: Fedor Uporov CommitDate: 2023-03-18 06:16:22 +0000 Add root directory entry check. Add check that directory entry with ino=3DEXT2_ROOTINO have correct namelength and name. It is possible to create malicious image which will cause panic if root directory entry have incorrect name. PR: 259068 Reported by: Robert Morris Reviewed by: pfg MFC after: 2 weeks Differential Revision: https://reviews.freebsd.org/D38502 sys/fs/ext2fs/ext2_lookup.c | 7 +++++++ 1 file changed, 7 insertions(+) --=20 You are receiving this mail because: You are the assignee for the bug.=