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 0CA4AC5479D for ; Wed, 11 Jan 2023 07:15:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235452AbjAKHPp (ORCPT ); Wed, 11 Jan 2023 02:15:45 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35888 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231599AbjAKHPn (ORCPT ); Wed, 11 Jan 2023 02:15:43 -0500 Received: from mail-io1-f71.google.com (mail-io1-f71.google.com [209.85.166.71]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1F54562EC for ; Tue, 10 Jan 2023 23:15:42 -0800 (PST) Received: by mail-io1-f71.google.com with SMTP id be25-20020a056602379900b006f166af94d6so8429822iob.8 for ; Tue, 10 Jan 2023 23:15:42 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=to:from:subject:message-id:in-reply-to:date:mime-version :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=k71p3Hh+VynGVOtf9V5gHEyYU8zX4tMeLYm1AflC7xk=; b=1AY88C8nZfqfspVs9P3TquCwAv2oYbQUyUNRKV9rg8tPDO1viDW5Ongr8dzcyrQRJR DTUwaYJrDZkEyC1aqlP97cmTUY1ZCOm1LvdghwPmy9YeOsPPJ8PcNSva3ExbHioVDS60 K7+rek3wXV8yq12gVXuge9yLSTbrQJtgXY4anqZv8PbmvHoc/j62Ee+RWZna5RVHYSOY HA/wcpY2bNjOmp8uLXolGEAsEQhTmdmbto1zXLUuX7gXu8koDD0EhaYR3b6k0lSTR15K Bgk9SZJCZw4dvKf8na/W8o6QBv36BRIz7fPZhzBDuGaCa1MpCowtf+XjubQZtG1SU3+c aurA== X-Gm-Message-State: AFqh2krsgBBiTtNuvGRQYuncGpbjbuYNTrve0LNvvKW9PEMDNwi3DiGl kIw09kTghn8u/M6X6gBi6WLSA124gY5NBh8jE/lCW+SE4m8R X-Google-Smtp-Source: AMrXdXtV2XxbIvW3wAbBI8rgzNWEv3d9HLnh+Z455xSJTRdsDdjhRUQSkX059Ywzi/cepv7HGE7q22gbXlGFAwUOMyiW/GUCc2Qh MIME-Version: 1.0 X-Received: by 2002:a05:6638:52d:b0:38a:8db5:664 with SMTP id j13-20020a056638052d00b0038a8db50664mr7961852jar.196.1673421341455; Tue, 10 Jan 2023 23:15:41 -0800 (PST) Date: Tue, 10 Jan 2023 23:15:41 -0800 In-Reply-To: <000000000000a0d7f305eecfcbb9@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000009dfa9805f1f7c43f@google.com> Subject: Re: [syzbot] [vfs?] [ntfs3?] WARNING in path_openat From: syzbot To: almaz.alexandrovich@paragon-software.com, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, ntfs3@lists.linux.dev, syzkaller-bugs@googlegroups.com, viro@zeniv.linux.org.uk Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org syzbot has found a reproducer for the following issue on: HEAD commit: 40c18f363a08 Merge tag '6.2-rc3-ksmbd-server-fixes' of git.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=14a30e1c480000 kernel config: https://syzkaller.appspot.com/x/.config?x=ebc110f9741920ed dashboard link: https://syzkaller.appspot.com/bug?extid=be8872fcb764bf9fea73 compiler: Debian clang version 13.0.1-++20220126092033+75e33f71c2da-1~exp1~20220126212112.63, GNU ld (GNU Binutils for Debian) 2.35.2 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1505b0ce480000 Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/4b974f49dd49/disk-40c18f36.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/8d735ca0c438/vmlinux-40c18f36.xz kernel image: https://storage.googleapis.com/syzbot-assets/6aeef3d597b4/bzImage-40c18f36.xz mounted in repro: https://storage.googleapis.com/syzbot-assets/e9ddd28ad880/mount_0.gz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+be8872fcb764bf9fea73@syzkaller.appspotmail.com DEBUG_RWSEMS_WARN_ON((rwsem_owner(sem) != current) && !rwsem_test_oflags(sem, RWSEM_NONSPINNABLE)): count = 0x0, magic = 0xffff88806a1ef1d0, owner = 0x0, curr 0xffff88802561ba80, list empty WARNING: CPU: 1 PID: 10307 at kernel/locking/rwsem.c:1361 __up_write kernel/locking/rwsem.c:1360 [inline] WARNING: CPU: 1 PID: 10307 at kernel/locking/rwsem.c:1361 up_write+0x4f9/0x580 kernel/locking/rwsem.c:1615 Modules linked in: CPU: 1 PID: 10307 Comm: syz-executor.5 Not tainted 6.2.0-rc3-syzkaller-00014-g40c18f363a08 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 RIP: 0010:__up_write kernel/locking/rwsem.c:1360 [inline] RIP: 0010:up_write+0x4f9/0x580 kernel/locking/rwsem.c:1615 Code: c7 00 ad ed 8a 48 c7 c6 a0 af ed 8a 48 8b 54 24 28 48 8b 4c 24 18 4d 89 e0 4c 8b 4c 24 30 31 c0 53 e8 9b 59 e8 ff 48 83 c4 08 <0f> 0b e9 6b fd ff ff 48 c7 c1 98 a4 96 8e 80 e1 07 80 c1 03 38 c1 RSP: 0018:ffffc900053ef840 EFLAGS: 00010292 RAX: 7a73507bb1e00700 RBX: ffffffff8aedade0 RCX: ffff88802561ba80 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: ffffc900053ef910 R08: ffffffff816f2c9d R09: fffff52000a7dec1 R10: fffff52000a7dec1 R11: 1ffff92000a7dec0 R12: 0000000000000000 R13: ffff88806a1ef1d0 R14: 1ffff92000a7df10 R15: dffffc0000000000 FS: 00007fd23b092700(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555555ea4848 CR3: 000000001d10d000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: inode_unlock include/linux/fs.h:761 [inline] open_last_lookups fs/namei.c:3485 [inline] path_openat+0x14ff/0x2dd0 fs/namei.c:3711 do_filp_open+0x264/0x4f0 fs/namei.c:3741 do_sys_openat2+0x124/0x4e0 fs/open.c:1310 do_sys_open fs/open.c:1326 [inline] __do_sys_openat fs/open.c:1342 [inline] __se_sys_openat fs/open.c:1337 [inline] __x64_sys_openat+0x243/0x290 fs/open.c:1337 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fd23a28c0c9 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:00007fd23b092168 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007fd23a3ac050 RCX: 00007fd23a28c0c9 RDX: 0000000000000240 RSI: 0000000020000000 RDI: ffffffffffffff9c RBP: 00007fd23a2e7ae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffdfbd42a1f R14: 00007fd23b092300 R15: 0000000000022000