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=-8.7 required=3.0 tests=BAYES_00,FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=ham 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 D10FFC43619 for ; Wed, 10 Mar 2021 17:47:06 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B08C064F5F for ; Wed, 10 Mar 2021 17:47:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233468AbhCJRqk (ORCPT ); Wed, 10 Mar 2021 12:46:40 -0500 Received: from mail-il1-f197.google.com ([209.85.166.197]:54620 "EHLO mail-il1-f197.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231857AbhCJRqW (ORCPT ); Wed, 10 Mar 2021 12:46:22 -0500 Received: by mail-il1-f197.google.com with SMTP id w8so13433116ilg.21 for ; Wed, 10 Mar 2021 09:46:22 -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=5FPHwToO7ZQWGqAvlF2e4QNPWZDqlPuVg12iTCyWKIU=; b=l5LY27LBlRQITvAqWFKvMleCYz+ApMlmQ0yqP6GyqM55Xpl2sboCm07H3EG7epnIWj NQxh/s1TrQAYjZVdy61qoN6rdtaiQRA1jl2y8Ukx0Lt4UYFQ9zABDPSVuuJTuoENy8oJ KQiB7bxl0gjK1fXAhJnepX7xIcXM8z4MmAP7ZtwxfisO2ASlPljXvMjmQAK5CN1jB25k PgamcYStohUgFbNbBMCZJ5tCppxFtjuGPXD2RoCRCZ/sOXSeegPBZZhQEUkaaNmyhyqv B6SWfV5UbGO39dp6DFfDL7YzuXHE8s+qSG9/z5usPiPY5mPEvpqc9mLRHLSpgmlII+CC m3ng== X-Gm-Message-State: AOAM5324sM0KZM757WVXMEfZMrPRf55tkgcTJds6Vtk55A00crW+6lr3 QE2ufwcfRU5iOl5pY4iMKrtZTpJTDsA1Tibrc7YGlT9ahnE/ X-Google-Smtp-Source: ABdhPJy13ZTCtqZgR/r7EFvx5vWtdvf7fysI9carZq2GBuI7kH3NL9Io/9XRJQSAiF2B/eeNVnRoVXdvXGm9xh139sUliGoaMZaG MIME-Version: 1.0 X-Received: by 2002:a5d:9e47:: with SMTP id i7mr3233340ioi.104.1615398381766; Wed, 10 Mar 2021 09:46:21 -0800 (PST) Date: Wed, 10 Mar 2021 09:46:21 -0800 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000b750a505bd323e48@google.com> Subject: [syzbot] WARNING in do_user_addr_fault From: syzbot To: boqun.feng@gmail.com, linux-kernel@vger.kernel.org, longman@redhat.com, mingo@redhat.com, peterz@infradead.org, syzkaller-bugs@googlegroups.com, will@kernel.org Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello, syzbot found the following issue on: HEAD commit: 05a59d79 Merge git://git.kernel.org:/pub/scm/linux/kernel/.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=107f822ad00000 kernel config: https://syzkaller.appspot.com/x/.config?x=750735fdbc630971 dashboard link: https://syzkaller.appspot.com/bug?extid=beb50656d2e0b1940264 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+beb50656d2e0b1940264@syzkaller.appspotmail.com ------------[ cut here ]------------ raw_local_irq_restore() called with IRQs enabled WARNING: CPU: 0 PID: 8407 at kernel/locking/irqflag-debug.c:10 warn_bogus_irq_restore+0x1d/0x20 kernel/locking/irqflag-debug.c:10 Modules linked in: CPU: 0 PID: 8407 Comm: syz-fuzzer Not tainted 5.12.0-rc2-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:warn_bogus_irq_restore+0x1d/0x20 kernel/locking/irqflag-debug.c:10 Code: be ff cc cc cc cc cc cc cc cc cc cc cc 80 3d 11 d1 ad 04 00 74 01 c3 48 c7 c7 20 79 6b 89 c6 05 00 d1 ad 04 01 e8 75 5b be ff <0f> 0b c3 48 39 77 10 0f 84 97 00 00 00 66 f7 47 22 f0 ff 74 4b 48 RSP: 0000:ffffc900010b7ab0 EFLAGS: 00010286 RAX: 0000000000000000 RBX: ffff888032907120 RCX: 0000000000000000 RDX: ffff888013bde340 RSI: ffffffff815b4435 RDI: fffff52000216f48 RBP: 0000000000000200 R08: 0000000000000000 R09: 0000000000000000 R10: ffffffff815ad19e R11: 0000000000000000 R12: 0000000000000003 R13: ffffed1006520e24 R14: 0000000000000001 R15: ffff8880b9c36000 CR2: 000000c0002de000 CR3: 000000001a614000 CR4: 00000000001506f0 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: pv_wait arch/x86/include/asm/paravirt.h:564 [inline] pv_wait_head_or_lock kernel/locking/qspinlock_paravirt.h:470 [inline] __pv_queued_spin_lock_slowpath+0x8b8/0xb40 kernel/locking/qspinlock.c:508 do_user_addr_fault+0x483/0x1210 arch/x86/mm/fault.c:1390 RIP: 0033:0x46cf33 Code: 00 48 81 eb 00 01 00 00 48 81 c7 00 01 00 00 48 81 fb 00 01 00 00 73 82 e9 07 ff ff ff c5 fd ef c0 48 81 fb 00 00 00 02 73 46 fe 7f 07 c5 fe 7f 47 20 c5 fe 7f 47 40 c5 fe 7f 47 60 48 81 eb RSP: 002b:000000c0000c35f0 EFLAGS: 00010287 RAX: 0000000000000000 RBX: 00000000000001a0 RCX: 00000000000001a0 RDX: 00000000000001a0 RSI: 0000000000000000 RDI: 000000c0002de000 R10: 00007ff0c6f30b00 R11: 0000000000000000 R12: 0000000000000040 --- 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.