From nobody@FreeBSD.org Sat Sep 10 06:23:49 2011 Return-Path: Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 5E1DA106568D for ; Sat, 10 Sep 2011 06:23:49 +0000 (UTC) (envelope-from nobody@FreeBSD.org) Received: from red.freebsd.org (red.freebsd.org [IPv6:2001:4f8:fff6::22]) by mx1.freebsd.org (Postfix) with ESMTP id 3581E8FC16 for ; Sat, 10 Sep 2011 06:23:49 +0000 (UTC) Received: from red.freebsd.org (localhost [127.0.0.1]) by red.freebsd.org (8.14.4/8.14.4) with ESMTP id p8A6NmEZ074908 for ; Sat, 10 Sep 2011 06:23:48 GMT (envelope-from nobody@red.freebsd.org) Received: (from nobody@localhost) by red.freebsd.org (8.14.4/8.14.4/Submit) id p8A6Nm1F074881; Sat, 10 Sep 2011 06:23:48 GMT (envelope-from nobody) Message-Id: <201109100623.p8A6Nm1F074881@red.freebsd.org> Date: Sat, 10 Sep 2011 06:23:48 GMT From: "Radio Młodych Bandytów" To: freebsd-gnats-submit@FreeBSD.org Subject: lzjb_uncompress possible access violation? X-Send-Pr-Version: www-3.1 X-GNATS-Notify: >Number: 160611 >Category: kern >Synopsis: lzjb_uncompress possible access violation? >Confidential: no >Severity: non-critical >Priority: low >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Sat Sep 10 06:30:10 UTC 2011 >Closed-Date: >Last-Modified: Sat Sep 10 06:56:45 UTC 2011 >Originator: Radio Młodych Bandytów >Release: 8.2 >Organization: >Environment: >Description: As far as I can see, when checksumming is turned off or there's a collision, it is possible that lzjb_uncompress is fed with corrupted data. Source length is entirely ignored and since source has to be shorter than dest, it is broken. >How-To-Repeat: >Fix: >Release-Note: >Audit-Trail: >Unformatted: