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=-3.7 required=3.0 tests=BAYES_00,FROM_LOCAL_HEX, 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 73DAAC433DB for ; Fri, 15 Jan 2021 23:09:22 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 49535239ED for ; Fri, 15 Jan 2021 23:09:22 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727468AbhAOXJF (ORCPT ); Fri, 15 Jan 2021 18:09:05 -0500 Received: from mail-io1-f70.google.com ([209.85.166.70]:39812 "EHLO mail-io1-f70.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726187AbhAOXJE (ORCPT ); Fri, 15 Jan 2021 18:09:04 -0500 Received: by mail-io1-f70.google.com with SMTP id n9so17557992iog.6 for ; Fri, 15 Jan 2021 15:08:48 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:date:message-id:subject:from:to; bh=uakvH1s9XP9G5HMG/CzCkdjvXgWW8t2Z/lJ6987n5Pg=; b=GtE50GT8Ctg4UzM5vv1FT+cz2bQumoCuY5AwIs+6/8JSzsbczRg+g/UacPafAl7Z0z pCcr3hSjLpc0AJXXPt6HBOIKiqjPZ53/2mo1Isnam7uudVlzYYAfT8SbuUDIZXS2Ypou 5QPKSW0m2rGDc9sv/O2Aziiw0WkMp0cJqiXz6i7UQ7p8yG5p3+4LI3FkzMoQy6CFBtZQ ROb++BZM2qfed4OsarMRa49nCJUUwKiOB51LX6RNJiDPFoSBLarocbIFObdJ4aEmGzfo LXCH3/MWMj4XRAadVbPkFN5kjZC26zDIYSmqfaH0rx4VAvDBoSiLRD/iK4fL5XAlB8Mq Ryfw== X-Gm-Message-State: AOAM533wUu2RbeSaj4ISTOgsUsIi/intGSqeu2dN+QEXBaTz8pCeXUfs ljM7nJ2jVDbktCZT0/EzPcstDkbE1qvpzmkvGVV6KbgYCilC X-Google-Smtp-Source: ABdhPJz/gYSCw4xqt5wGfGkX/mxjgGPv7jbyqDMBL8oivBdtAgy4D84Zxnn/e77W47tmfvQ2IVLQL/PDSFTdE+nSlYbeK2gi4ntx MIME-Version: 1.0 X-Received: by 2002:a92:ba82:: with SMTP id t2mr12456787ill.139.1610752103304; Fri, 15 Jan 2021 15:08:23 -0800 (PST) Date: Fri, 15 Jan 2021 15:08:23 -0800 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000f054d005b8f87274@google.com> Subject: WARNING in io_disable_sqo_submit From: syzbot To: axboe@kernel.dk, io-uring@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com, viro@zeniv.linux.org.uk Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: io-uring@vger.kernel.org Hello, syzbot found the following issue on: HEAD commit: 7c53f6b6 Linux 5.11-rc3 git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=12a76f70d00000 kernel config: https://syzkaller.appspot.com/x/.config?x=c60c9ff9cc916cbc dashboard link: https://syzkaller.appspot.com/bug?extid=2f5d1785dc624932da78 compiler: gcc (GCC) 10.1.0-syz 20200507 Unfortunately, I don't have any reproducer for this issue yet. IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+2f5d1785dc624932da78@syzkaller.appspotmail.com ------------[ cut here ]------------ WARNING: CPU: 1 PID: 9094 at fs/io_uring.c:8884 io_disable_sqo_submit+0x106/0x130 fs/io_uring.c:8884 Modules linked in: CPU: 1 PID: 9094 Comm: syz-executor.5 Not tainted 5.11.0-rc3-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:io_disable_sqo_submit+0x106/0x130 fs/io_uring.c:8884 Code: b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 1d 83 8b 14 01 00 00 01 48 89 ef 5b 5d e9 ef bc 23 07 e8 5a e5 9a ff <0f> 0b e9 35 ff ff ff e8 3e a1 dd ff eb dc e8 67 a1 dd ff e9 65 ff RSP: 0018:ffffc9000188fea0 EFLAGS: 00010212 RAX: 0000000000000044 RBX: ffff888079dbe000 RCX: ffffc90013b54000 RDX: 0000000000040000 RSI: ffffffff81d7e466 RDI: ffff888079dbe0d0 RBP: ffff8880201c0c80 R08: 0000000000000000 R09: 00000000278d0001 R10: ffffffff81d7e705 R11: 0000000000000001 R12: ffff888079dbe000 R13: ffff8880278d0001 R14: ffff888079dbe040 R15: ffff888079dbe0d0 FS: 00007fe461a71700(0000) GS:ffff8880b9f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000080 CR3: 0000000011fd1000 CR4: 0000000000350ee0 Call Trace: io_uring_flush+0x28b/0x3a0 fs/io_uring.c:9099 filp_close+0xb4/0x170 fs/open.c:1280 close_fd+0x5c/0x80 fs/file.c:626 __do_sys_close fs/open.c:1299 [inline] __se_sys_close fs/open.c:1297 [inline] __x64_sys_close+0x2f/0xa0 fs/open.c:1297 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x45e219 Code: 0d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 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 0f 83 db b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007fe461a70c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 000000000045e219 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000007 RBP: 000000000119bfb0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000119bf8c R13: 00007ffc626b58ff R14: 00007fe461a719c0 R15: 000000000119bf8c --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@googlegroups.com. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot.