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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id B480DC7618E for ; Fri, 21 Apr 2023 19:16:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233450AbjDUTQy (ORCPT ); Fri, 21 Apr 2023 15:16:54 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40712 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232312AbjDUTQu (ORCPT ); Fri, 21 Apr 2023 15:16:50 -0400 Received: from mail-il1-f207.google.com (mail-il1-f207.google.com [209.85.166.207]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 990FC172C for ; Fri, 21 Apr 2023 12:16:48 -0700 (PDT) Received: by mail-il1-f207.google.com with SMTP id e9e14a558f8ab-32addcf3a73so88437405ab.0 for ; Fri, 21 Apr 2023 12:16:48 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1682104608; x=1684696608; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=QxtOVbkNxSHHb3brNs8tJk7Ry7nocLpql9jiJZVqGeM=; b=PW+JZeydo529BJmejUeR/vO2Yp2jpXqWRDHBqom0ylZJPRJUbHendDiveA0ycXnHv1 eY9MpqA7TjjEoEmAMhgXhu7ebsau+T0Y3ydQJYrlW80uRzLQfsLAMspDJAZ2hy9WrP6V ctAfxpRkLRQsiADjEzXkXp+qVQDVrraY4qN3jM2OjBLZwn8g4wDMqMR3HBPP/xNoG3M4 XUq+i7J0ufRItoDB6W7cRtmcZz1+ELhH9dikUnqYTq/lW4mhIKRm0xs33CJaNzpaxfKR TP5lRe8EtWwY8Go2wY2jE9xhS0czEEQGWtWuUliO0sZEA+5rC3i1M2WA2wjB8ZuAJ/vk JPmA== X-Gm-Message-State: AAQBX9cvHWs7qf9veQM4GmFqSJoB1Ve1IuU2zx6y9pT0iUmFnejULiI0 mhRZgjisY+KDCtUWcJGcmhqDn2NKVjtfnFdMWyhg7R1GkTBX X-Google-Smtp-Source: AKy350b94zy4qEncxn7krhtVj+JkC0j3IV5KMCRSJLxww+6OGm++UjRnppSHMo7ysbSNgNTWGFUkAtZsXOwFWTDM/Qt5K1Qxv1e7 MIME-Version: 1.0 X-Received: by 2002:a92:d344:0:b0:32c:b806:d4a3 with SMTP id a4-20020a92d344000000b0032cb806d4a3mr7131ilh.1.1682104607880; Fri, 21 Apr 2023 12:16:47 -0700 (PDT) Date: Fri, 21 Apr 2023 12:16:47 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000a0bc2b05f9dd7fab@google.com> Subject: [syzbot] [kvm?] WARNING in kvm_tdp_mmu_invalidate_all_roots From: syzbot To: bp@alien8.de, dave.hansen@linux.intel.com, hpa@zytor.com, kvm@vger.kernel.org, linux-kernel@vger.kernel.org, mingo@redhat.com, pbonzini@redhat.com, seanjc@google.com, syzkaller-bugs@googlegroups.com, tglx@linutronix.de, x86@kernel.org Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org Hello, syzbot found the following issue on: HEAD commit: d3e1ee0e67e7 Add linux-next specific files for 20230421 git tree: linux-next console output: https://syzkaller.appspot.com/x/log.txt?x=16ac3de0280000 kernel config: https://syzkaller.appspot.com/x/.config?x=53c789efbcc06cf6 dashboard link: https://syzkaller.appspot.com/bug?extid=094a74444165dbcd3a54 compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 Unfortunately, I don't have any reproducer for this issue yet. Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/c558a9e1fe6a/disk-d3e1ee0e.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/2ec100a34c4c/vmlinux-d3e1ee0e.xz kernel image: https://storage.googleapis.com/syzbot-assets/1afcd9936dc1/bzImage-d3e1ee0e.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+094a74444165dbcd3a54@syzkaller.appspotmail.com ------------[ cut here ]------------ WARNING: CPU: 0 PID: 12623 at arch/x86/kvm/mmu/tdp_mmu.c:943 kvm_tdp_mmu_invalidate_all_roots+0x2bd/0x370 arch/x86/kvm/mmu/tdp_mmu.c:943 Modules linked in: CPU: 0 PID: 12623 Comm: syz-executor.3 Not tainted 6.3.0-rc7-next-20230421-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/30/2023 RIP: 0010:kvm_tdp_mmu_invalidate_all_roots+0x2bd/0x370 arch/x86/kvm/mmu/tdp_mmu.c:943 Code: 00 e8 a7 67 64 00 49 8d 7c 24 18 31 f6 e8 eb 23 ec 08 31 ff 89 c3 89 c6 e8 b0 63 64 00 85 db 0f 85 00 fe ff ff e8 83 67 64 00 <0f> 0b e9 f4 fd ff ff 48 89 ef e8 94 46 b7 00 e9 88 fd ff ff e8 4a RSP: 0018:ffffc90005f7fc80 EFLAGS: 00010212 RAX: 0000000000015eaf RBX: 0000000000000000 RCX: ffffc9000e5cd000 RDX: 0000000000040000 RSI: ffffffff811f7dcd RDI: 0000000000000005 RBP: ffffc900062ba788 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffffc900062b1000 R13: 0000000000000000 R14: 0000000000000006 R15: ffffc900062b19d8 FS: 00007f9c99c7c700(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fa626bad988 CR3: 000000001cd68000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: kvm_mmu_uninit_tdp_mmu+0x16/0x100 arch/x86/kvm/mmu/tdp_mmu.c:48 kvm_mmu_uninit_vm+0x6a/0x70 arch/x86/kvm/mmu/mmu.c:6239 kvm_arch_destroy_vm+0x369/0x490 arch/x86/kvm/x86.c:12465 kvm_create_vm arch/x86/kvm/../../../virt/kvm/kvm_main.c:1245 [inline] kvm_dev_ioctl_create_vm arch/x86/kvm/../../../virt/kvm/kvm_main.c:5017 [inline] kvm_dev_ioctl+0x11be/0x1bb0 arch/x86/kvm/../../../virt/kvm/kvm_main.c:5059 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:870 [inline] __se_sys_ioctl fs/ioctl.c:856 [inline] __x64_sys_ioctl+0x197/0x210 fs/ioctl.c:856 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f9c98e8c169 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f9c99c7c168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f9c98fac120 RCX: 00007f9c98e8c169 RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 0000000000000005 RBP: 00007f9c98ee7ca1 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff0f7a772f R14: 00007f9c99c7c300 R15: 0000000000022000 --- This report is generated by a bot. 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