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 782FEC43334 for ; Mon, 20 Jun 2022 14:55:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S245023AbiFTOzC (ORCPT ); Mon, 20 Jun 2022 10:55:02 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53426 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S245334AbiFTOyr (ORCPT ); Mon, 20 Jun 2022 10:54:47 -0400 Received: from mail-pg1-x529.google.com (mail-pg1-x529.google.com [IPv6:2607:f8b0:4864:20::529]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3EC3A56763 for ; Mon, 20 Jun 2022 07:13:16 -0700 (PDT) Received: by mail-pg1-x529.google.com with SMTP id 68so4970478pgb.10 for ; Mon, 20 Jun 2022 07:13:16 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=date:from:to:subject:message-id:mime-version:content-disposition; bh=wCEAAcxvJkKAcKZo+YaskSZPskORwzqEWHRtCkp9QAs=; b=hR6D9HD1fsQBvsakIY4ablvj8c9W2YZtCuNI0F/lPPgHFPQxANJ7jIqSMbvDiAw6Mj 2v7I0l3QUmY7FK+uD1dNjYvHtnTYZ4uJRs36Ux1fIkQqVWM6RGqToVr/deHUb46KrMNJ suYOmyxrV8w2rLazeBtFMfh4ZRhzmZvKkn1/09iwDaMFLmNhaMqeG0N8dJ+nj2aUaR1a voOBCehGX8DoLg+Xsos9CPKSlV/eRTtkYoaT5A66serBNDXvk7UJ/pEiAkk/u4PW71Ua d98VQLuOAwUjU/1N2oTANLhePZjhBLYTBG7N/Y76XbkofNgna5weHKfKOMaCysixsxBZ Q4mg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:date:from:to:subject:message-id:mime-version :content-disposition; bh=wCEAAcxvJkKAcKZo+YaskSZPskORwzqEWHRtCkp9QAs=; b=6H0K89sy/o3JWakCWFpXwPTOFOpBWHsugaRyPhHm9vLDIt9xqGl/O8gHru6sVme+J3 7qBgIll5qQr7v+F1488NRyU6X9g7faUQ8MNclaQ/oY3VeY9FSDl0UCLfJtmEszUy4fic 9hl6AIaGcgkKc+qcvzQNnQf/LnbXagnyV6beJQ7T7XlQYAkttHcqnyKdNB3Yzikk66Fn kjGWh2EqeBS6GQhLhY2IV6CdTjIOxC/u3dIuvIiKrMFQ9mF3/dq4mvZbQJgrmYuzoOgV mxoGQSp0mJAb+sXXi6FF9z8ecf//BprHvBDkUlIVsHWAvbI0cQFMv+oDgWlcm/xfAHVj nDFQ== X-Gm-Message-State: AJIora+P79490lUria9pIcvjaofPCI/2YlNFO9wD9G3uZvMB9NuYnnWH bt7DtmGc3aF2m1QYrHWqojE= X-Google-Smtp-Source: AGRyM1tWsfqU41lQ4lIVBL2Ga/br/s6gIsoFfDynCR+7AxaAsLsPXlvGkNJkcKdysqKKT/ZtkQ7BBA== X-Received: by 2002:a62:6144:0:b0:525:1b46:83de with SMTP id v65-20020a626144000000b005251b4683demr8614724pfb.65.1655734394624; Mon, 20 Jun 2022 07:13:14 -0700 (PDT) Received: from archdragon (dragonet.kaist.ac.kr. [143.248.133.220]) by smtp.gmail.com with ESMTPSA id u9-20020a1709026e0900b0015e8d4eb282sm8758843plk.204.2022.06.20.07.13.12 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 20 Jun 2022 07:13:14 -0700 (PDT) Date: Mon, 20 Jun 2022 23:13:09 +0900 From: "Dae R. Jeong" To: bryantan@vmware.com, rjalisatgi@vmware.com, vdasa@vmware.com, pv-drivers@vmware.com, arnd@arndb.de, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org Subject: general protection fault in add_wait_queue Message-ID: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi, We observed a crash "general protection fault in add_wait_queue" during fuzzing. Unfortunately, we have not found a reproducer for the crash yet. We will inform you if we have any update on this crash. Detailed crash information is as follows. ------ - Kernel commit: b13baccc3850ca - Crash report: general protection fault, probably for non-canonical address 0xdffffc0000000019: 0000 [#1] PREEMPT SMP KASAN KASAN: null-ptr-deref in range [0x00000000000000c8-0x00000000000000cf] CPU: 2 PID: 27483 Comm: syz-executor.0 Not tainted 5.19.0-rc1-31595-gdf1bbda1a939 #13 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 RIP: 0010:__lock_acquire+0xf3/0x5e00 kernel/locking/lockdep.c:4926 Code: 89 bc 24 88 00 00 00 0f 85 02 27 00 00 83 3d 9b 05 66 10 00 0f 84 97 43 00 00 83 3d 46 ea f9 0e 00 74 31 48 89 f8 48 c1 e8 03 <42> 80 3c 00 00 74 17 e8 b1 5e 86 00 48 8b bc 24 88 00 00 00 49 b8 RSP: 0018:ffffc900082af260 EFLAGS: 00010002 RAX: 0000000000000019 RBX: 0000000000000001 RCX: 1ffff92001055e6c RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000000000c8 RBP: ffffc900082af5f0 R08: dffffc0000000000 R09: 0000000000000001 R10: fffffbfff2394b3e R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001 FS: 00007f36801c0700(0000) GS:ffff8880b9300000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055fdf32207d0 CR3: 000000005af57000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: lock_acquire+0x1a4/0x4a0 kernel/locking/lockdep.c:5672 __raw_spin_lock_irqsave include/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0xb3/0x100 kernel/locking/spinlock.c:162 add_wait_queue+0x3d/0x260 kernel/sched/wait.c:22 poll_wait include/poll.h:49 [inline] vmci_host_poll+0xf8/0x2b0 drivers/misc/vmw_vmci/vmci_host.c:174 vfs_poll include/poll.h:88 [inline] do_pollfd fs/select.c:873 [inline] do_poll fs/select.c:921 [inline] do_sys_poll+0xc7c/0x1aa0 fs/select.c:1015 __do_sys_ppoll fs/select.c:1121 [inline] __se_sys_ppoll+0x2cc/0x330 fs/select.c:1101 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x4e/0xa0 arch/x86/entry/common.c:82 entry_SYSCALL_64_after_hwframe+0x46/0xb0 RIP: 0033:0x478db9 Code: f7 d8 64 89 02 b8 ff ff ff ff c3 66 0f 1f 44 00 00 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 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f36801bfbe8 EFLAGS: 00000246 ORIG_RAX: 000000000000010f RAX: ffffffffffffffda RBX: 0000000000781408 RCX: 0000000000478db9 RDX: 00000000200000c0 RSI: 0000000000000001 RDI: 0000000020000100 RBP: 00000000f477909a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000007815c0 R13: 0000000000781414 R14: 0000000000781408 R15: 00007fffb85f7830 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__lock_acquire+0xf3/0x5e00 kernel/locking/lockdep.c:4926 RSP: 0018:ffffc900082af260 EFLAGS: 00010002 RAX: 0000000000000019 RBX: 0000000000000001 RCX: 1ffff92001055e6c RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000000000c8 RBP: ffffc900082af5f0 R08: dffffc0000000000 R09: 0000000000000001 R10: fffffbfff2394b3e R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001 FS: 00007f36801c0700(0000) GS:ffff8880b9300000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055fdf32207d0 CR3: 000000005af57000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400