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=-4.0 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED 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 15E56C433E0 for ; Tue, 4 Aug 2020 20:02:13 +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 EAFDE20842 for ; Tue, 4 Aug 2020 20:02:12 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org EAFDE20842 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]:37950 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1k338V-0005q9-VY for qemu-devel@archiver.kernel.org; Tue, 04 Aug 2020 16:02:12 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:48760) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1k337G-0004yc-WA for qemu-devel@nongnu.org; Tue, 04 Aug 2020 16:00:55 -0400 Received: from indium.canonical.com ([91.189.90.7]:52200) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1k337E-0002gy-Rg for qemu-devel@nongnu.org; Tue, 04 Aug 2020 16:00:54 -0400 Received: from loganberry.canonical.com ([91.189.90.37]) by indium.canonical.com with esmtp (Exim 4.86_2 #2 (Debian)) id 1k337C-0000HB-OE for ; Tue, 04 Aug 2020 20:00:50 +0000 Received: from loganberry.canonical.com (localhost [127.0.0.1]) by loganberry.canonical.com (Postfix) with ESMTP id 907332E80ED for ; Tue, 4 Aug 2020 20:00:50 +0000 (UTC) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Date: Tue, 04 Aug 2020 19:54:34 -0000 From: Helge Deller <1890312@bugs.launchpad.net> To: qemu-devel@nongnu.org X-Launchpad-Notification-Type: bug X-Launchpad-Bug: product=qemu; status=New; importance=Undecided; assignee=deller@gmx.de; X-Launchpad-Bug-Information-Type: Public X-Launchpad-Bug-Private: no X-Launchpad-Bug-Security-Vulnerability: no X-Launchpad-Bug-Commenters: a1xndr X-Launchpad-Bug-Reporter: Alexander Bulekov (a1xndr) X-Launchpad-Bug-Modifier: Helge Deller (hdeller) References: <159655837180.16425.4114028291831523850.malonedeb@wampee.canonical.com> Message-Id: <159657087509.15986.10181831189853327983.launchpad@wampee.canonical.com> Subject: [Bug 1890312] Re: Segfault in artist_vram_read 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="a24057fea7e4c6a98c0220d5f878da0f3c783699"; Instance="production-secrets-lazr.conf" X-Launchpad-Hash: ae1b7697216bf5a9e949ace3bfa94c4048244de7 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 = 2020/08/04 15:05:58 X-ACL-Warn: Detected OS = Linux 3.11 and newer [fuzzy] X-Spam_score_int: -58 X-Spam_score: -5.9 X-Spam_bar: ----- X-Spam_report: (-5.9 / 5.0 requ) BAYES_00=-1.9, HEADER_FROM_DIFFERENT_DOMAINS=1, RCVD_IN_DNSWL_HI=-5, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, 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 1890312 <1890312@bugs.launchpad.net> Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" ** Changed in: qemu Assignee: (unassigned) =3D> Helge Deller (hdeller) -- = You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU. https://bugs.launchpad.net/bugs/1890312 Title: Segfault in artist_vram_read Status in QEMU: New Bug description: Hello, Reproducer: cat << EOF | ./hppa-softmmu/qemu-system-hppa -m 64 -display none \ -qtest stdio -accel qtest writew 0xf8118001 0x105a readq 0xf900f8ff EOF =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D =3D=3D20118=3D=3DERROR: AddressSanitizer: SEGV on unknown address 0x7fc6f= b847672 (pc 0x55ec9c0f6828 bp 0x7ffd91000230 sp 0x7ffd90ffffd0 T0) =3D=3D20118=3D=3DThe signal is caused by a READ memory access. #0 0x55ec9c0f6828 in artist_vram_read /hw/display/artist.c:1174:15 #1 0x55ec9b84a582 in memory_region_read_accessor /softmmu/memory.c:43= 4:11 #2 0x55ec9b7d1adc in access_with_adjusted_size /softmmu/memory.c:539:= 18 #3 0x55ec9b7cd769 in memory_region_dispatch_read1 /softmmu/memory.c:1= 385:16 #4 0x55ec9b7cc855 in memory_region_dispatch_read /softmmu/memory.c:14= 14:9 #5 0x55ec9ae621de in flatview_read_continue /exec.c:3239:23 #6 0x55ec9ae64fb1 in flatview_read /exec.c:3279:12 #7 0x55ec9ae64af7 in address_space_read_full /exec.c:3292:18 #8 0x55ec9b87c990 in address_space_read /include/exec/memory.h:2429:18 #9 0x55ec9b87c990 in qtest_process_command /softmmu/qtest.c:485:13 #10 0x55ec9b870c08 in qtest_process_inbuf /softmmu/qtest.c:710:9 #11 0x55ec9b86f895 in qtest_read /softmmu/qtest.c:722:5 #12 0x55ec9dd2b2f3 in qemu_chr_be_write_impl /chardev/char.c:188:9 #13 0x55ec9dd2b477 in qemu_chr_be_write /chardev/char.c:200:9 #14 0x55ec9dd3f763 in fd_chr_read /chardev/char-fd.c:68:9 #15 0x55ec9de93b24 in qio_channel_fd_source_dispatch /io/channel-watc= h.c:84:12 #16 0x7fc7261ad897 in g_main_context_dispatch () #17 0x55ec9e28ba2b in glib_pollfds_poll /util/main-loop.c:217:9 #18 0x55ec9e28915b in os_host_main_loop_wait /util/main-loop.c:240:5 #19 0x55ec9e288af4 in main_loop_wait /util/main-loop.c:516:11 #20 0x55ec9b891d00 in qemu_main_loop /softmmu/vl.c:1676:9 #21 0x55ec9decb911 in main /softmmu/main.c:49:5 The error occurs even with Message-Id: <20200804140056.7690-1-deller@gmx.de> applied (I collected the above trace with the patch-set applied) Thanks -Alex To manage notifications about this bug go to: https://bugs.launchpad.net/qemu/+bug/1890312/+subscriptions