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=-8.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS autolearn=ham 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 4B76EC4338F for ; Sat, 21 Aug 2021 04:23:07 +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 BE81761181 for ; Sat, 21 Aug 2021 04:23:06 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org BE81761181 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=nongnu.org Received: from localhost ([::1]:37972 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mHIXC-00037B-0P for qemu-devel@archiver.kernel.org; Sat, 21 Aug 2021 00:23:06 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:43802) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mHIUo-0007ya-Ii for qemu-devel@nongnu.org; Sat, 21 Aug 2021 00:20:38 -0400 Received: from smtp-relay-services-1.canonical.com ([185.125.188.251]:56242) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mHIUm-0002Bs-Qo for qemu-devel@nongnu.org; Sat, 21 Aug 2021 00:20:38 -0400 Received: from loganberry.canonical.com (loganberry.canonical.com [91.189.90.37]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp-relay-services-1.canonical.com (Postfix) with ESMTPSA id B78323F6EB for ; Sat, 21 Aug 2021 04:20:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=launchpad.net; s=20210803; t=1629519635; bh=ZGjStRnRUgW/kcrKfdpRhn5ONSfJ13Xp45DrTvORPbE=; h=MIME-Version:Content-Type:Date:From:To:Reply-To:References: Message-Id:Subject; b=Z9KBryMfxZBkIyaf8r49LwYG8REvP3Gwndh/f8/r4414Y96fhJM3csnKD5fV694gF WcblYn3wlt5Jq6wmrCwHiTOGHpzx2x8uit0mL8fvn8gCzcrWcZl3XiSCuapesJfI4H k0Ag0r/eIMDKRqy2qs/O9ebxfZdDH7kDarRPHKhdXFeM++uvE7rSp236ZzJTEX6o4B 2sIDeinlq6JxNHs8EZ6AnZc3R8RN3CpnNAPyNByNMg8qLpMiwSVuADpGpWYAhJL/PN C8cFlEvhOFXR5oyPXFBB25Y+EMhmQQhTZq2B7/JdkdYtslsuZe0G7vboRCBicBe2AK wxJr4HzLRR3Uw== Received: from loganberry.canonical.com (localhost [127.0.0.1]) by loganberry.canonical.com (Postfix) with ESMTP id AEAE42E8135 for ; Sat, 21 Aug 2021 04:20:35 +0000 (UTC) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Date: Sat, 21 Aug 2021 04:14:18 -0000 From: Alexander Bulekov <1917082@bugs.launchpad.net> To: qemu-devel@nongnu.org X-Launchpad-Notification-Type: bug X-Launchpad-Bug: product=qemu; status=Confirmed; importance=Undecided; assignee=None; X-Launchpad-Bug-Tags: fuzzer net X-Launchpad-Bug-Information-Type: Public X-Launchpad-Bug-Private: no X-Launchpad-Bug-Security-Vulnerability: no X-Launchpad-Bug-Commenters: a1xndr th-huth X-Launchpad-Bug-Reporter: Alexander Bulekov (a1xndr) X-Launchpad-Bug-Modifier: Alexander Bulekov (a1xndr) References: <161436793911.24762.6802305911122378058.malonedeb@gac.canonical.com> Message-Id: <162951925860.10300.8329180986685075753.malone@gac.canonical.com> Subject: [Bug 1917082] Re: [OSS-Fuzz] Issue 27574 e1000: Loopback-related stack-overflow 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="25edfd4b3e79d9ee9d9c3a750eb93e4d41d56c9e"; Instance="production" X-Launchpad-Hash: 233238d43e4bab088438e416e7bda65c5b7308c6 Received-SPF: pass client-ip=185.125.188.251; envelope-from=noreply@launchpad.net; helo=smtp-relay-services-1.canonical.com X-Spam_score_int: -42 X-Spam_score: -4.3 X-Spam_bar: ---- X-Spam_report: (-4.3 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_MED=-2.3, SPF_HELO_NONE=0.001, SPF_PASS=-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 1917082 <1917082@bugs.launchpad.net> Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" I moved this report over to QEMU's new bug tracker on gitlab.com. Please continue with the discussion here: https://gitlab.com/qemu-project/qemu/-/issues/547 ** Bug watch added: gitlab.com/qemu-project/qemu/-/issues #547 https://gitlab.com/qemu-project/qemu/-/issues/547 --=20 You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU. https://bugs.launchpad.net/bugs/1917082 Title: [OSS-Fuzz] Issue 27574 e1000: Loopback-related stack-overflow Status in QEMU: Confirmed Bug description: =3D=3D=3D Reproducer =3D=3D=3D cat << EOF | ./qemu-system-i386 -display none -machine accel=3Dqtest, -m \ 512M -M q35 -nodefaults -device e1000,netdev=3Dnet0 -netdev user,id=3Dnet= 0 \ -qtest /dev/null -qtest stdio outl 0xcf8 0x80000813 outl 0xcfc 0xfe outl 0xcf8 0x80000803 outw 0xcfc 0x0600 write 0xfe000102 0x1 0x0a writel 0xfe000020 0x420ff00 write 0xfe00280a 0x2 0x0828 clock_step clock_step clock_step clock_step clock_step clock_step clock_step clock_step clock_step clock_step clock_step clock_step clock_step clock_step clock_step clock_step clock_step clock_step clock_step clock_step clock_step clock_step clock_step clock_step clock_step clock_step clock_step clock_step clock_step clock_step clock_step clock_step clock_step clock_step clock_step clock_step clock_step clock_step clock_step clock_step clock_step clock_step clock_step clock_step clock_step clock_step clock_step clock_step clock_step clock_step clock_step clock_step clock_step clock_step clock_step clock_step clock_step clock_step clock_step clock_step clock_step clock_step clock_step clock_step clock_step clock_step clock_step clock_step clock_step clock_step clock_step clock_step clock_step clock_step write 0xfe00281b 0x1 0x08 write 0xf9b 0x1 0x01 write 0x2170 0x1 0x14 write 0x2171 0x1 0x38 write 0x2173 0x1 0xfe write 0xfe000402 0x1 0x02 write 0xfe00380a 0x2 0x0210 write 0xfe003818 0x1 0xfa EOF =3D=3D=3D Stack-trace =3D=3D=3D =3D=3D288216=3D=3DERROR: AddressSanitizer: stack-overflow on address 0x7f= ff51c96f48 (pc 0x56247061af36 bp 0x7fff51c97790 sp 0x7fff51c96f50 T0) #0 0x56247061af36 in __asan_memcpy (/home/alxndr/Development/qemu/build/q= emu-system-i386+0x2baff36) #1 0x5624718eb70d in flatview_read_continue /home/alxndr/Development/qemu= /build/../softmmu/physmem.c:2846:13 #2 0x5624718ecd1b in flatview_read /home/alxndr/Development/qemu/build/..= /softmmu/physmem.c:2879:12 #3 0x5624718ecd1b in address_space_read_full /home/alxndr/Development/qem= u/build/../softmmu/physmem.c:2892:18 #4 0x562470bcb75b in dma_memory_rw_relaxed /home/alxndr/Development/qemu/= include/sysemu/dma.h:88:12 #5 0x562470bcb75b in dma_memory_rw /home/alxndr/Development/qemu/include/= sysemu/dma.h:127:12 #6 0x562470bcb75b in pci_dma_rw /home/alxndr/Development/qemu/include/hw/= pci/pci.h:803:12 #7 0x562470bcb75b in pci_dma_read /home/alxndr/Development/qemu/include/h= w/pci/pci.h:821:12 #8 0x562470bcb75b in e1000_receive_iov /home/alxndr/Development/qemu/buil= d/../hw/net/e1000.c:954:9 #9 0x562470bca465 in e1000_receive /home/alxndr/Development/qemu/build/..= /hw/net/e1000.c:1025:12 #10 0x562470bc9671 in e1000_send_packet /home/alxndr/Development/qemu/bui= ld/../hw/net/e1000.c:549:9 #11 0x562470bc7dd8 in xmit_seg /home/alxndr/Development/qemu/build/../hw/= net/e1000.c #12 0x562470bc4dfe in process_tx_desc /home/alxndr/Development/qemu/build= /../hw/net/e1000.c:701:9 #13 0x562470bc4dfe in start_xmit /home/alxndr/Development/qemu/build/../h= w/net/e1000.c:756:9 #14 0x562470bc4dfe in set_tctl /home/alxndr/Development/qemu/build/../hw/= net/e1000.c:1127:5 #15 0x5624719ef2f6 in memory_region_write_accessor /home/alxndr/Developme= nt/qemu/build/../softmmu/memory.c:491:5 #16 0x5624719eed63 in access_with_adjusted_size /home/alxndr/Development/= qemu/build/../softmmu/memory.c:552:18 #17 0x5624719ee5c0 in memory_region_dispatch_write /home/alxndr/Developme= nt/qemu/build/../softmmu/memory.c #18 0x5624718f7776 in flatview_write_continue /home/alxndr/Development/qe= mu/build/../softmmu/physmem.c:2776:23 #19 0x5624718ed13b in flatview_write /home/alxndr/Development/qemu/build/= ../softmmu/physmem.c:2816:14 #20 0x5624718ed13b in address_space_write /home/alxndr/Development/qemu/b= uild/../softmmu/physmem.c:2908:18 #21 0x562470bcba6b in dma_memory_rw_relaxed /home/alxndr/Development/qemu= /include/sysemu/dma.h:88:12 #22 0x562470bcba6b in dma_memory_rw /home/alxndr/Development/qemu/include= /sysemu/dma.h:127:12 #23 0x562470bcba6b in pci_dma_rw /home/alxndr/Development/qemu/include/hw= /pci/pci.h:803:12 #24 0x562470bcba6b in pci_dma_write /home/alxndr/Development/qemu/include= /hw/pci/pci.h:839:12 #25 0x562470bcba6b in e1000_receive_iov /home/alxndr/Development/qemu/bui= ld/../hw/net/e1000.c:967:21 #26 0x562470bca465 in e1000_receive /home/alxndr/Development/qemu/build/.= ./hw/net/e1000.c:1025:12 #27 0x562470bc9671 in e1000_send_packet /home/alxndr/Development/qemu/bui= ld/../hw/net/e1000.c:549:9 ... 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