From nobody Sun May 22 19:18:16 2022 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 326FF1B3FF16 for ; Sun, 22 May 2022 19:18:18 +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 4L5qxP3V68z3KZt for ; Sun, 22 May 2022 19:18:17 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) 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 DE09B20C34 for ; Sun, 22 May 2022 19:18:16 +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 24MJIGsv050873 for ; Sun, 22 May 2022 19:18:16 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 24MJIGUd050872 for fs@FreeBSD.org; Sun, 22 May 2022 19:18:16 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: www set sender to bugzilla-noreply@freebsd.org using -f From: bugzilla-noreply@freebsd.org To: fs@FreeBSD.org Subject: [Bug 263971] ffs: malicious superblock can cause buffer overflow during tasting: panic: vm_fault_lookup: fault on nofault entry, addr: 0xffffffc07cb67000 Date: Sun, 22 May 2022 19:18:16 +0000 X-Bugzilla-Reason: AssignedTo CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: Unspecified X-Bugzilla-Keywords: crash, needs-qa X-Bugzilla-Severity: Affects Some People X-Bugzilla-Who: rtm@lcs.mit.edu X-Bugzilla-Status: In Progress X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: fs@FreeBSD.org X-Bugzilla-Flags: maintainer-feedback? maintainer-feedback? mfc-stable13? mfc-stable12? 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 ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1653247097; 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=jPLLMVBg0uVmGBehi1n4Uxfin0bTJXdJ310qT4svvqs=; b=q2/2PCzobfa79bMBFPagWVByc38JxdhBmi9dmEuvk1nGFNvLCF292KNtYIrdqAkAYrJCp7 Vxenqlpho0xeDW45y/gxcg07lGUYT6KGzrpESdqvmN8GE+tFQOgsNqDnWnFpX3seBWvDGd yGL0TJCtNtZQN8VFTqfCSFy8qWWd2HiTO+54+f/3IjGNjEQwm62L/MXCaeS0zIvae1MoLM W07zH6jEKVXzfD8vGJDzCrnPnzsxBkdCUuZtXfjph7lzRH2mvNPs6HRFxm7yknxdPhCW8o fJIJMRkiwwrGwwru8VrztwGzWRlyWHwhi2xjB0f0wRW5Vx+0ucwHa6q29RE3Tw== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1653247097; a=rsa-sha256; cv=none; b=QMFyFHHnanUBtxMuHxb02ul5D/x/Is+67WT5sxonl2NhtQ21bdPUeIp7qr6eAOBKvGpoxD MYni2Vbjg8jAFgggRW5ccKY+5DuQ7C10wyiyKOz0BwlqMdT3ZLcDxeVm/iHTuzvhTh0C2o IsDkZrmWyp5QXQBalPpYFqB//eOyPAoFNIEcRn8uMbDmL9fsILmKg7yZF3QSDqj/CCv7qH SjwNUsZlKXOh6l7AEsfTAOohvHiBUMy4CPw0r5xhKAwozo3k53czNkmuk+GF7At0Fofzwg xO/tIIBdyo6ibx52ED+NZlz+5fmA8T1cml9FvZyP8HDcu0TKb4JpfutJqk9mLw== ARC-Authentication-Results: i=1; mx1.freebsd.org; none X-ThisMailContainsUnwantedMimeParts: N https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D263971 --- Comment #6 from Robert Morris --- (In reply to Kirk McKusick from comment #5) Yes -- your patch of May 21 makes this problem go away for me. --=20 You are receiving this mail because: You are the assignee for the bug. You are on the CC list for the bug.=