From nobody Mon May 16 21:29:06 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 CEAB11AE86A7 for ; Mon, 16 May 2022 21:29:06 +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 4L2C764hVRz3DgD for ; Mon, 16 May 2022 21:29:06 +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 67AE4277C1 for ; Mon, 16 May 2022 21:29:06 +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 24GLT6VB087582 for ; Mon, 16 May 2022 21:29:06 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 24GLT6s1087581 for fs@FreeBSD.org; Mon, 16 May 2022 21:29:06 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: Mon, 16 May 2022 21:29:06 +0000 X-Bugzilla-Reason: CC AssignedTo 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: attachments.created 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=1652736546; 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=Twabr07+48ZsndCx6H9dLx7oweFOBxJfpmbybIuficY=; b=Zf8TLCua5GiN79j9Fh0KwkKtz8fSf5ez/3ieheFlm1UJK9Cbizf+DfV2rSKUmN5jOm5G+4 4a7qiwsLiUa4Pc80PjEuTIx1Repj6jrdkBnkbRs1LwoGB6zWtZLhKO8HtWLgRlVU7u6Ctu elK6NgBotvaC+gWAqqF4pCViGWPejPu2dEBa+dqz0xVHTfOddI6Ve2ZoQ5ipDrVZUhsqFd AslKlut7gbATsGpPrwJsF/2bBUMl/GY9n0PRSfn8NX/Vul7z4FNXsBA8ZAaZifMu9P5Zim Ko1qEz+wAxOhzXAXwjnSRbLA6GrHhb9FooOEI8qBcsWweoT8qm907o5IIB+aWA== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1652736546; a=rsa-sha256; cv=none; b=to+I9RuVmth69GmlyqI62rsiWjTt+wTBnJXFDSU0/ZM00DVd6GJddiCyJnehQz3qPinrj8 dmqkdRJ/EJffkQt5d3TSiNhF+41vpcBAneSW9K8T+ghdKukvzzf1iCkP0qQprRN9GM69vE uarSPY6ehTbxXG4jh7bYF12SQb/QPlIaNiMmdxLN4dHbAuFEG40ddX5Rj3jML3SicnvcO0 h7a7KJSi3p9ZWv9kgvTfuEhZ8EYvdklO9cj2xOpXbsjyvdq1L/BqR6iHaacEN3qU7+92Qx EKlzoISKFhtV60OXNjWHphdQQBPpD/9KqAzfST89271vLfukeGxdiIKo2lhRiw== ARC-Authentication-Results: i=1; mx1.freebsd.org; none X-ThisMailContainsUnwantedMimeParts: N https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D263971 --- Comment #2 from Robert Morris --- Created attachment 233973 --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=3D233973&action= =3Dedit disk image that causes size calculation in ffs_sbget() to wrap around --=20 You are receiving this mail because: You are on the CC list for the bug. You are the assignee for the bug.=