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 7C61BC43460 for ; Thu, 6 May 2021 21:07:42 +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 BDF2461289 for ; Thu, 6 May 2021 21:07:41 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org BDF2461289 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]:48416 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lelDg-0006aH-KK for qemu-devel@archiver.kernel.org; Thu, 06 May 2021 17:07:40 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:38386) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lelBk-0005b8-N7 for qemu-devel@nongnu.org; Thu, 06 May 2021 17:05:40 -0400 Received: from indium.canonical.com ([91.189.90.7]:34490) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1lelBi-00023Q-Qv for qemu-devel@nongnu.org; Thu, 06 May 2021 17:05:40 -0400 Received: from loganberry.canonical.com ([91.189.90.37]) by indium.canonical.com with esmtp (Exim 4.93 #5 (Debian)) id 1lelBh-0003tn-IW for ; Thu, 06 May 2021 21:05:37 +0000 Received: from loganberry.canonical.com (localhost [127.0.0.1]) by loganberry.canonical.com (Postfix) with ESMTP id 8AEEC2E8139 for ; Thu, 6 May 2021 21:05:37 +0000 (UTC) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Date: Thu, 06 May 2021 20:59:10 -0000 From: Christophe Lyon <1927530@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: christophe-lyon rth X-Launchpad-Bug-Reporter: Christophe Lyon (christophe-lyon) X-Launchpad-Bug-Modifier: Christophe Lyon (christophe-lyon) X-Launchpad-Bug-Duplicate: 1921948 References: <162032255539.3176.12225423479727839886.malonedeb@gac.canonical.com> Message-Id: <162033475101.14246.619965166174742640.malone@soybean.canonical.com> Subject: [Bug 1927530] Re: qemu-aarch64 MTE fails to report tag mismatch 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="d6ba96cccb3d3e356754af3137c6128a6c17e2a8"; Instance="production" X-Launchpad-Hash: a16538d920a4b2149c21a171bd38be975e2bb19a Received-SPF: none client-ip=91.189.90.7; envelope-from=bounces@canonical.com; helo=indium.canonical.com 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=0.248, 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 1927530 <1927530@bugs.launchpad.net> Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" *** This bug is a duplicate of bug 1921948 *** https://bugs.launchpad.net/bugs/1921948 ** Attachment added: "libgcc_s.so.1" https://bugs.launchpad.net/qemu/+bug/1927530/+attachment/5495299/+files/= libgcc_s.so.1 -- = You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU. https://bugs.launchpad.net/bugs/1927530 Title: qemu-aarch64 MTE fails to report tag mismatch Status in QEMU: New Bug description: Hi, While running the GCC testsuite with qemu-6.0 as simulator, I noticed several errors in the hwasan testsuite (output pattern tests). I am attaching: bitfield-2.exe ld-linux-aarch64.so.1 libc.so.6 libdl.so.2 libhwasan.so.0 libm.so.6 libpthread.so.0 librt.so.1 The testcase can be executed via: qemu-aarch64 -L . bitfield-2.exe it currently generates: HWAddressSanitizer:DEADLYSIGNAL =3D=3D21137=3D=3DERROR: HWAddressSanitizer: SEGV on unknown address 0x000= 0000000f0 (pc 0x00550084e318 bp 0x005f01650d00 sp 0x005f01650d00 T21137) =3D=3D21137=3D=3DThe signal is caused by a UNKNOWN memory access. =3D=3D21137=3D=3DHint: address points to the zero page. #0 0x550084e318 in GetAccessInfo /home/christophe.lyon/src/GCC/source= s/gcc-fsf-git/trunk/libsanitizer/hwasan/hwasan_linux.cpp:339 #1 0x550084e318 in HwasanOnSIGTRAP /home/christophe.lyon/src/GCC/sour= ces/gcc-fsf-git/trunk/libsanitizer/hwasan/hwasan_linux.cpp:401 #2 0x550084e318 in __hwasan::HwasanOnDeadlySignal(int, void*, void*) = /home/christophe.lyon/src/GCC/sources/gcc-fsf-git/trunk/libsanitizer/hwasan= /hwasan_linux.cpp:426 #3 0x5f01651fec () #4 0x550084b508 in __hwasan_load2 /home/christophe.lyon/src/GCC/sourc= es/gcc-fsf-git/trunk/libsanitizer/hwasan/hwasan.cpp:379 #5 0x400768 in f /home/christophe.lyon/src/GCC/sources/gcc-fsf-git/tr= unk/gcc/testsuite/c-c++-common/hwasan/bitfield-2.c:17 #6 0x4007d0 in main /home/christophe.lyon/src/GCC/sources/gcc-fsf-git= /trunk/gcc/testsuite/c-c++-common/hwasan/bitfield-2.c:24 #7 0x550124cee0 in __libc_start_main ../csu/libc-start.c:308 #8 0x400688 (/home/christophe.lyon/qemu-bug-hwasan-aarch64/bitfield-= 2.exe+0x400688) HWAddressSanitizer can not provide additional info. SUMMARY: HWAddressSanitizer: SEGV /home/christophe.lyon/src/GCC/sources/g= cc-fsf-git/trunk/libsanitizer/hwasan/hwasan_linux.cpp:339 in GetAccessInfo =3D=3D21146=3D=3DABORTING while the testcase expects HWAddressSanitizer: tag-mismatch on address 0x..... To manage notifications about this bug go to: https://bugs.launchpad.net/qemu/+bug/1927530/+subscriptions