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 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 1E17EC43381 for ; Tue, 9 Mar 2021 15:35:06 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E9DAC65253 for ; Tue, 9 Mar 2021 15:35:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231653AbhCIPee (ORCPT ); Tue, 9 Mar 2021 10:34:34 -0500 Received: from mail-io1-f69.google.com ([209.85.166.69]:34724 "EHLO mail-io1-f69.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231674AbhCIPeR (ORCPT ); Tue, 9 Mar 2021 10:34:17 -0500 Received: by mail-io1-f69.google.com with SMTP id r3so10533431iol.1 for ; Tue, 09 Mar 2021 07:34:17 -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=OIcb6Uf33gHiMvq3K9ajgQ2UxF2hlgBVbHwSRPUV0ds=; b=H/6I8w1UBb6gPP7ftMBUG5JbdG4vAger4A0sL9K0BJoxtSZ7CDTQB+5ymM36ydHeOA ECE7iksWLNyk6wbIf7nLyKWuNLXv0D8DWsjNCnOTorZcMKkW7XMCfy5GBO7xPmPsycCg TCy/d6v0Lt9k0e1eNIRjvG5D9lCk3WCa2aoA3W2nR0nC91at3zPB0cBbs8oyc8nyonts zTmEUBnWCAkfXF6x2jmaCQeNYlt2NTC7LArwauQtVixqezW1Z61sdwHLjWNUITVbB9lr Bjd8ZT0lRRPmcBnjRkQlrlfcOPF9Ut59EkO7AwzjKPdh60dy0vh41iuTnVtrSs29pCmg PzUw== X-Gm-Message-State: AOAM532cgm6+IpWaThwBQhJbC1A+rHUzfdTuOQxay4Cd2gjREyC7hhsA +Gh7ntXBphFSR4fYnhtoY28G/BX8Lh2Cap9032amzM9t4R3N X-Google-Smtp-Source: ABdhPJxkd2ALCT1AuFECiT/s8ngbQXL00J4adYRT5jqAhI9bWfZ7p6+BsRxRfOpULcO1ipEB1nvUY+ZcvZOIghaTtKO26+0Z5S3E MIME-Version: 1.0 X-Received: by 2002:a02:94a9:: with SMTP id x38mr28881497jah.50.1615304057014; Tue, 09 Mar 2021 07:34:17 -0800 (PST) Date: Tue, 09 Mar 2021 07:34:17 -0800 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <00000000000085d60f05bd1c481f@google.com> Subject: [syzbot] WARNING in __handle_mm_fault (2) 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: 144c79ef Merge tag 'perf-tools-fixes-for-v5.12-2020-03-07'.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=14747f1ed00000 kernel config: https://syzkaller.appspot.com/x/.config?x=3c825a7b7b408394 dashboard link: https://syzkaller.appspot.com/bug?extid=ce14a1f8667e17a759a5 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+ce14a1f8667e17a759a5@syzkaller.appspotmail.com ------------[ cut here ]------------ raw_local_irq_restore() called with IRQs enabled WARNING: CPU: 0 PID: 8390 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: 8390 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 bd 36 af 04 00 74 01 c3 48 c7 c7 a0 8f 6b 89 c6 05 ac 36 af 04 01 e8 87 ba 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:ffffc90001b77ac8 EFLAGS: 00010282 RAX: 0000000000000000 RBX: ffff8880320435a0 RCX: 0000000000000000 RDX: ffff888025c20040 RSI: ffffffff815c0ef5 RDI: fffff5200036ef4b RBP: 0000000000000200 R08: 0000000000000000 R09: 0000000000000000 R10: ffffffff815b9c5e R11: 0000000000000000 R12: 0000000000000003 R13: ffffed10064086b4 R14: 0000000000000001 R15: ffff8880b9c36000 FS: 000000c00002e490(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000c0002d4020 CR3: 000000001927f000 CR4: 00000000001506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 Call Trace: __handle_mm_fault+0xeeb/0x4f70 mm/memory.c:4445 handle_mm_fault+0x1bc/0x7e0 mm/memory.c:4549 RIP: 0033:0x46d4d4 RAX: 0000000000000080 RBX: 0000000000011f60 RCX: 000000c0002e6000 RDX: 0000000000827a04 RSI: 000000c0002d4020 RDI: 000000c0004aa020 R10: 000000c00048c000 R11: 0000000000000020 R12: 00000000000000fa --- 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.