From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-3.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 58789C5519F for ; Wed, 18 Nov 2020 04:12:08 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 52C0820729 for ; Wed, 18 Nov 2020 04:12:07 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 52C0820729 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=bugs.launchpad.net Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:47600 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kfEpC-0001SV-5d for qemu-devel@archiver.kernel.org; Tue, 17 Nov 2020 23:12:06 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:45646) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kfEoR-00011N-64 for qemu-devel@nongnu.org; Tue, 17 Nov 2020 23:11:19 -0500 Received: from indium.canonical.com ([91.189.90.7]:60074) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1kfEoO-0004b7-W9 for qemu-devel@nongnu.org; Tue, 17 Nov 2020 23:11:18 -0500 Received: from loganberry.canonical.com ([91.189.90.37]) by indium.canonical.com with esmtp (Exim 4.86_2 #2 (Debian)) id 1kfEoN-0008Qy-5w for ; Wed, 18 Nov 2020 04:11:15 +0000 Received: from loganberry.canonical.com (localhost [127.0.0.1]) by loganberry.canonical.com (Postfix) with ESMTP id 2A0DE2E804E for ; Wed, 18 Nov 2020 04:11:15 +0000 (UTC) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Date: Wed, 18 Nov 2020 03:57:06 -0000 From: "Cheol-Woo,Myung" <1904652@bugs.launchpad.net> To: qemu-devel@nongnu.org X-Launchpad-Notification-Type: bug X-Launchpad-Bug: product=qemu; status=New; importance=Undecided; assignee=None; X-Launchpad-Bug-Information-Type: Public X-Launchpad-Bug-Private: no X-Launchpad-Bug-Security-Vulnerability: no X-Launchpad-Bug-Commenters: cwmyung X-Launchpad-Bug-Reporter: Cheol-Woo,Myung (cwmyung) X-Launchpad-Bug-Modifier: Cheol-Woo,Myung (cwmyung) Message-Id: <160567182664.18318.5998464734058327883.malonedeb@wampee.canonical.com> Subject: [Bug 1904652] [NEW] Assertion failure in usb-ohci X-Launchpad-Message-Rationale: Subscriber (QEMU) @qemu-devel-ml X-Launchpad-Message-For: qemu-devel-ml Precedence: bulk X-Generated-By: Launchpad (canonical.com); Revision="a2ee2035671f86427804714f331b9ff7fecaef7e"; Instance="production" X-Launchpad-Hash: a379dfebf44a9999704befe6c77cec42138118fd Received-SPF: none client-ip=91.189.90.7; envelope-from=bounces@canonical.com; helo=indium.canonical.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/11/17 22:20:38 X-ACL-Warn: Detected OS = Linux 3.11 and newer [fuzzy] X-Spam_score_int: -65 X-Spam_score: -6.6 X-Spam_bar: ------ X-Spam_report: (-6.6 / 5.0 requ) BAYES_00=-1.9, HEADER_FROM_DIFFERENT_DOMAINS=0.25, RCVD_IN_DNSWL_HI=-5, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_NONE=0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: Bug 1904652 <1904652@bugs.launchpad.net> Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Public bug reported: Hello, Using hypervisor fuzzer, hyfuzz, I found an assertion failure through usb-ohci. A malicious guest user/process could use this flaw to abort the QEMU process on the host, resulting in a denial of service. This was found in version 5.2.0 (master) -------- ``` Program terminated with signal SIGABRT, Aborted. #0 __GI_raise (sig=3Dsig@entry=3D0x6) at ../sysdeps/unix/sysv/linux/raise.= c:51 51 ../sysdeps/unix/sysv/linux/raise.c: No such file or directory. [Current thread is 1 (Thread 0x7f34d0411440 (LWP 9418))] gdb-peda$ bt #0 0x00007f34c8d4ef47 in __GI_raise (sig=3Dsig@entry=3D0x6) at ../sysdeps/= unix/sysv/linux/raise.c:51 #1 0x00007f34c8d508b1 in __GI_abort () at abort.c:79 #2 0x000055d3a2081844 in ohci_frame_boundary (opaque=3D0x55d3a4ecdaf0) at = ../hw/usb/hcd-ohci.c:1297 #3 0x000055d3a25be155 in timerlist_run_timers (timer_list=3D0x55d3a3fd9840= ) at ../util/qemu-timer.c:574 #4 0x000055d3a25beaba in qemu_clock_run_timers (type=3DQEMU_CLOCK_VIRTUAL)= at ../util/qemu-timer.c:588 #5 0x000055d3a25beaba in qemu_clock_run_all_timers () at ../util/qemu-time= r.c:670 #6 0x000055d3a25e69a1 in main_loop_wait (nonblocking=3D) at= ../util/main-loop.c:531 #7 0x000055d3a2433972 in qemu_main_loop () at ../softmmu/vl.c:1678 #8 0x000055d3a1d0969b in main (argc=3D, argc@entry=3D0x15, = argv=3D, argv@entry=3D0x7ffc6de722a8, envp=3D) at ../softmmu/main= .c:50 #9 0x00007f34c8d31b97 in __libc_start_main (main=3D 0x55d3a1d09690
, argc=3D0x15, argv=3D0x7ffc6de722a8, init=3D, fini=3D, rtld_fini=3D, stack_end= =3D0x7ffc6de72298) at ../csu/libc-start.c:310 #10 0x000055d3a1d095aa in _start () ``` To reproduce the assertion failure, please run the QEMU with the following command line. ``` [Terminal 1] $ qemu-system-i386 -m 512 -drive file=3D./fs.img,index=3D1,media=3Ddisk,format=3Draw -drive file=3D./hyfuzz.img,index=3D0,media=3Ddisk,format=3Draw -drive if=3Dnone,id=3Dstick,file=3D./usbdisk.img,format=3Draw -device pci-ohci,id= =3Dusb -device usb-storage,bus=3Dusb.0,drive=3Dstick [Terminal 2] $ ./repro_log ./fs.img ./pci-ohci ``` Please let me know if I can provide any further info. -Cheolwoo, Myung (Seoul National University) ** Affects: qemu Importance: Undecided Status: New ** Attachment added: "attachment.zip" https://bugs.launchpad.net/bugs/1904652/+attachment/5435350/+files/attac= hment.zip -- = You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU. https://bugs.launchpad.net/bugs/1904652 Title: Assertion failure in usb-ohci Status in QEMU: New Bug description: Hello, Using hypervisor fuzzer, hyfuzz, I found an assertion failure through usb-ohci. A malicious guest user/process could use this flaw to abort the QEMU process on the host, resulting in a denial of service. This was found in version 5.2.0 (master) -------- ``` Program terminated with signal SIGABRT, Aborted. #0 __GI_raise (sig=3Dsig@entry=3D0x6) at ../sysdeps/unix/sysv/linux/rais= e.c:51 51 ../sysdeps/unix/sysv/linux/raise.c: No such file or directory. [Current thread is 1 (Thread 0x7f34d0411440 (LWP 9418))] gdb-peda$ bt #0 0x00007f34c8d4ef47 in __GI_raise (sig=3Dsig@entry=3D0x6) at ../sysdep= s/unix/sysv/linux/raise.c:51 #1 0x00007f34c8d508b1 in __GI_abort () at abort.c:79 #2 0x000055d3a2081844 in ohci_frame_boundary (opaque=3D0x55d3a4ecdaf0) a= t ../hw/usb/hcd-ohci.c:1297 #3 0x000055d3a25be155 in timerlist_run_timers (timer_list=3D0x55d3a3fd98= 40) at ../util/qemu-timer.c:574 #4 0x000055d3a25beaba in qemu_clock_run_timers (type=3DQEMU_CLOCK_VIRTUA= L) at ../util/qemu-timer.c:588 #5 0x000055d3a25beaba in qemu_clock_run_all_timers () at ../util/qemu-ti= mer.c:670 #6 0x000055d3a25e69a1 in main_loop_wait (nonblocking=3D) = at ../util/main-loop.c:531 #7 0x000055d3a2433972 in qemu_main_loop () at ../softmmu/vl.c:1678 #8 0x000055d3a1d0969b in main (argc=3D, argc@entry=3D0x15= , argv=3D, argv@entry=3D0x7ffc6de722a8, envp=3D) at ../softmmu/ma= in.c:50 #9 0x00007f34c8d31b97 in __libc_start_main (main=3D 0x55d3a1d09690
, argc=3D0x15, argv=3D0x7ffc6de722a8, init=3D, fini=3D, rtld_fini=3D, stack_en= d=3D0x7ffc6de72298) at ../csu/libc-start.c:310 #10 0x000055d3a1d095aa in _start () ``` To reproduce the assertion failure, please run the QEMU with the following command line. ``` [Terminal 1] $ qemu-system-i386 -m 512 -drive file=3D./fs.img,index=3D1,media=3Ddisk,format=3Draw -drive file=3D./hyfuzz.img,index=3D0,media=3Ddisk,format=3Draw -drive if=3Dnone,id=3Dstick,file=3D./usbdisk.img,format=3Draw -device pci-ohci,i= d=3Dusb -device usb-storage,bus=3Dusb.0,drive=3Dstick [Terminal 2] $ ./repro_log ./fs.img ./pci-ohci ``` Please let me know if I can provide any further info. -Cheolwoo, Myung (Seoul National University) To manage notifications about this bug go to: https://bugs.launchpad.net/qemu/+bug/1904652/+subscriptions