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=unavailable 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 A0116C433E6 for ; Fri, 12 Mar 2021 07:08:04 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5837D64F85 for ; Fri, 12 Mar 2021 07:08:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231584AbhCLHHa (ORCPT ); Fri, 12 Mar 2021 02:07:30 -0500 Received: from mail-io1-f69.google.com ([209.85.166.69]:49643 "EHLO mail-io1-f69.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231191AbhCLHHR (ORCPT ); Fri, 12 Mar 2021 02:07:17 -0500 Received: by mail-io1-f69.google.com with SMTP id d4so17110675ioc.16 for ; Thu, 11 Mar 2021 23:07:17 -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=XSBNYQtXAGGHqnQSJMwpMHjh//Ek2Z5zsatXDPCWRFw=; b=nrsGLlU9ir4CFUdtqSObsQUmk3IB5w/1akyJWOa2QRpu7y67mny88ZKsJABnQUhLpi bbvRsVXQDwxHNHLZiCMdxNI4CV35ZhRy5ODDROovCS2V8UWMIjUlHPNSPVaEjI1QNXjn tiHXRSFZZYmwH7Fq86b1fnxF9UnuFsMjhnwi4jkKpXhf0KXcBOuzxSbdLzdjNuTJTn/J JTWajUkrsxFAgGh0OYip3XxQvKt/6b/OZzpU68rDEwnsxn20PVwkb+EfY7nxPz45DWE9 oGlMuWmLGIQFPYG9E3XN+RjFtcuLOwEWt7wbNiPSdp5Opj0V4qH+ubSO1FyniuoE/gDR wZiw== X-Gm-Message-State: AOAM532E1OiWtFhOU85C5G06e/pYTLqev5HSWv0b/GZt2DYrIkUAqvPt b8k4NlodVVINr1veo8i+lD0zwSyefk0lDDsihEEk6v1zPbU3 X-Google-Smtp-Source: ABdhPJzCRY+65B/yzxcHQM1nwJAS+UXW5zp7vBkuVS9gidqsTmeK4kFhpDsmwkp0fx/5yJOcntUHDbGKsU5QiIQIboxftN/s30Eo MIME-Version: 1.0 X-Received: by 2002:a05:6602:2156:: with SMTP id y22mr9348968ioy.10.1615532836778; Thu, 11 Mar 2021 23:07:16 -0800 (PST) Date: Thu, 11 Mar 2021 23:07:16 -0800 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000dbf8ee05bd518c23@google.com> Subject: [syzbot] WARNING in huge_pmd_set_accessed From: syzbot To: akpm@linux-foundation.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, syzkaller-bugs@googlegroups.com 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=15b8820ad00000 kernel config: https://syzkaller.appspot.com/x/.config?x=750735fdbc630971 dashboard link: https://syzkaller.appspot.com/bug?extid=edb1179c837e79cc2fc3 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+edb1179c837e79cc2fc3@syzkaller.appspotmail.com ------------[ cut here ]------------ raw_local_irq_restore() called with IRQs enabled WARNING: CPU: 1 PID: 8400 at kernel/locking/irqflag-debug.c:10 warn_bogus_irq_restore+0x1d/0x20 kernel/locking/irqflag-debug.c:10 Modules linked in: CPU: 1 PID: 8400 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:ffffc90001737ac8 EFLAGS: 00010282 RAX: 0000000000000000 RBX: ffff88801992a840 RCX: 0000000000000000 RDX: ffff8880223d0200 RSI: ffffffff815b4435 RDI: fffff520002e6f4b RBP: 0000000000000200 R08: 0000000000000000 R09: 0000000000000000 R10: ffffffff815ad19e R11: 0000000000000000 R12: 0000000000000003 R13: ffffed1003325508 R14: 0000000000000001 R15: ffff8880b9d36000 FS: 000000c00002e890(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 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 pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:554 [inline] queued_spin_lock_slowpath arch/x86/include/asm/qspinlock.h:51 [inline] queued_spin_lock include/asm-generic/qspinlock.h:85 [inline] do_raw_spin_lock+0x200/0x2b0 kernel/locking/spinlock_debug.c:113 spin_lock include/linux/spinlock.h:354 [inline] pmd_lock include/linux/mm.h:2264 [inline] huge_pmd_set_accessed+0x103/0x320 mm/huge_memory.c:1265 handle_mm_fault+0x1bc/0x7e0 mm/memory.c:4549 handle_page_fault arch/x86/mm/fault.c:1475 [inline] exc_page_fault+0x9e/0x180 arch/x86/mm/fault.c:1531 RIP: 0033:0x59072c Code: 48 8d 05 97 25 3e 00 48 89 44 24 08 e8 6d 54 ea ff 90 e8 07 a1 ed ff eb a5 cc cc cc cc cc 8b 44 24 10 48 8b 4c 24 08 89 41 24 cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc 48 8b RSP: 002b:000000c0002e97b0 EFLAGS: 00010286 RAX: 0000000000004ef5 RBX: 0000000000004ef5 RCX: 0000000000d85fe0 RBP: 000000c0002e9890 R08: 0000000000004ef4 R09: 000000000059c5a0 R13: 00aaaaaaaaaaaaaa R14: 000000000093f064 R15: 0000000000000038 --- 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. 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 3FD16C433E0 for ; Fri, 12 Mar 2021 07:07:20 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 9C72364F80 for ; Fri, 12 Mar 2021 07:07:19 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 9C72364F80 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id E31FE8D032B; Fri, 12 Mar 2021 02:07:18 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id DBB738D0317; Fri, 12 Mar 2021 02:07:18 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id C34A18D032B; Fri, 12 Mar 2021 02:07:18 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0151.hostedemail.com [216.40.44.151]) by kanga.kvack.org (Postfix) with ESMTP id 9C1418D0317 for ; Fri, 12 Mar 2021 02:07:18 -0500 (EST) Received: from smtpin11.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay03.hostedemail.com (Postfix) with ESMTP id 5CD258248D51 for ; Fri, 12 Mar 2021 07:07:18 +0000 (UTC) X-FDA: 77910340956.11.B5C32A6 Received: from mail-il1-f197.google.com (mail-il1-f197.google.com [209.85.166.197]) by imf23.hostedemail.com (Postfix) with ESMTP id 2A0DDA0009CE for ; Fri, 12 Mar 2021 07:07:17 +0000 (UTC) Received: by mail-il1-f197.google.com with SMTP id y11so17479779ilc.18 for ; Thu, 11 Mar 2021 23:07:17 -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=XSBNYQtXAGGHqnQSJMwpMHjh//Ek2Z5zsatXDPCWRFw=; b=MgEtiwjzh39IipzrPd620UDIeLUN4KkzsY2ARaOSuBnjjtqT9sFx+ec96nVMcXuwQY dRXzJU3F46BvIZ8iixhvhiK6C5s3WLCVru5Vc1E/hw04/mtR/TcsvloC9w/j0Y2PLmrK Aaa2eRUYhysUwo8caJmW9bIyaWAMp2XbXelCdzqLXVcdlSAKjHv8/mtXSftjnTAm6ppI kFAwOPkQDV9b2ED6N3B8x3Xx1fuzf+LhmaEwE5DmtIfnOrnAE2xiZcQVV3DzefQLBkMg MwZ5wtCie/g0edYHd4oOSnoZBRXtF4j1IAJy6N+R3vSuQQQb0S7lG7kBpCgZGLBRSSdb 0f6Q== X-Gm-Message-State: AOAM532krDB2pfY6f7umWj7KYWccGVf22ciHbd6Odp4waNPlNOc8AI60 +FeGdgcn0HGVPJdQOQC/N+K0ZLZiguLwUtaEH5+3cOi+ceLq X-Google-Smtp-Source: ABdhPJzCRY+65B/yzxcHQM1nwJAS+UXW5zp7vBkuVS9gidqsTmeK4kFhpDsmwkp0fx/5yJOcntUHDbGKsU5QiIQIboxftN/s30Eo MIME-Version: 1.0 X-Received: by 2002:a05:6602:2156:: with SMTP id y22mr9348968ioy.10.1615532836778; Thu, 11 Mar 2021 23:07:16 -0800 (PST) Date: Thu, 11 Mar 2021 23:07:16 -0800 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000dbf8ee05bd518c23@google.com> Subject: [syzbot] WARNING in huge_pmd_set_accessed From: syzbot To: akpm@linux-foundation.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" X-Stat-Signature: b1ica1b4wwemfc4tjdk7n8z9s3ahcffa X-Rspamd-Server: rspam01 X-Rspamd-Queue-Id: 2A0DDA0009CE Received-SPF: none (m3kw2wvrgufz5godrsrytgd7.apphosting.bounces.google.com>: No applicable sender policy available) receiver=imf23; identity=mailfrom; envelope-from="<3JBNLYAkbAH8v12ndoohudsslg.jrrjohxvhufrqwhqw.frp@M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com>"; helo=mail-il1-f197.google.com; client-ip=209.85.166.197 X-HE-DKIM-Result: none/none X-HE-Tag: 1615532837-444252 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: 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=15b8820ad00000 kernel config: https://syzkaller.appspot.com/x/.config?x=750735fdbc630971 dashboard link: https://syzkaller.appspot.com/bug?extid=edb1179c837e79cc2fc3 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+edb1179c837e79cc2fc3@syzkaller.appspotmail.com ------------[ cut here ]------------ raw_local_irq_restore() called with IRQs enabled WARNING: CPU: 1 PID: 8400 at kernel/locking/irqflag-debug.c:10 warn_bogus_irq_restore+0x1d/0x20 kernel/locking/irqflag-debug.c:10 Modules linked in: CPU: 1 PID: 8400 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:ffffc90001737ac8 EFLAGS: 00010282 RAX: 0000000000000000 RBX: ffff88801992a840 RCX: 0000000000000000 RDX: ffff8880223d0200 RSI: ffffffff815b4435 RDI: fffff520002e6f4b RBP: 0000000000000200 R08: 0000000000000000 R09: 0000000000000000 R10: ffffffff815ad19e R11: 0000000000000000 R12: 0000000000000003 R13: ffffed1003325508 R14: 0000000000000001 R15: ffff8880b9d36000 FS: 000000c00002e890(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 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 pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:554 [inline] queued_spin_lock_slowpath arch/x86/include/asm/qspinlock.h:51 [inline] queued_spin_lock include/asm-generic/qspinlock.h:85 [inline] do_raw_spin_lock+0x200/0x2b0 kernel/locking/spinlock_debug.c:113 spin_lock include/linux/spinlock.h:354 [inline] pmd_lock include/linux/mm.h:2264 [inline] huge_pmd_set_accessed+0x103/0x320 mm/huge_memory.c:1265 handle_mm_fault+0x1bc/0x7e0 mm/memory.c:4549 handle_page_fault arch/x86/mm/fault.c:1475 [inline] exc_page_fault+0x9e/0x180 arch/x86/mm/fault.c:1531 RIP: 0033:0x59072c Code: 48 8d 05 97 25 3e 00 48 89 44 24 08 e8 6d 54 ea ff 90 e8 07 a1 ed ff eb a5 cc cc cc cc cc 8b 44 24 10 48 8b 4c 24 08 89 41 24 cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc 48 8b RSP: 002b:000000c0002e97b0 EFLAGS: 00010286 RAX: 0000000000004ef5 RBX: 0000000000004ef5 RCX: 0000000000d85fe0 RBP: 000000c0002e9890 R08: 0000000000004ef4 R09: 000000000059c5a0 R13: 00aaaaaaaaaaaaaa R14: 000000000093f064 R15: 0000000000000038 --- 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.