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=-5.4 required=3.0 tests=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 DD7B1C43613 for ; Sun, 23 Jun 2019 12:53:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B32E820656 for ; Sun, 23 Jun 2019 12:53:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726464AbfFWMvG (ORCPT ); Sun, 23 Jun 2019 08:51:06 -0400 Received: from mail-io1-f71.google.com ([209.85.166.71]:36543 "EHLO mail-io1-f71.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725963AbfFWMvG (ORCPT ); Sun, 23 Jun 2019 08:51:06 -0400 Received: by mail-io1-f71.google.com with SMTP id k21so18201783ioj.3 for ; Sun, 23 Jun 2019 05:51:06 -0700 (PDT) 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=akj0uRzdQOuIMOVJzexqusSdGlgWZ/bYGADjUjTklDA=; b=FT/kSRxkhr/IyNpw4U6I9njkkl46wa+zeY0dbJfju4CNjnD+Bgb1hUgWiKDAB5IJWg G8GPfa/hxVOI1aNQ9Jg0bBBi/LlSSKrocZQKUdDi7fha0yQG4tWyongPGPYg9cre0vt0 70ZPmTRAtlzhlBwTee6ipSI4j9YYSXgh7P+p1FnL6+xv+0E0nalQ+VWWhklpqzOdYwSl yn9qFthm7+O+NgqPEWO8LA7RotPOd/6+uknEvWmWFw8kCga3INbQU8MhirR7JyscBxyC PXlvpQ2kPXlEa2pP4ro8c85FiaT6RrGZOPfWKJNvJUqrHp2w7Ggc9z5WEMZ1YxmBk22O WbVQ== X-Gm-Message-State: APjAAAV7aNzCDLhUUOX3dJFaN1aicXyzCV23AbFFAVf8C54XZWZwILSq /OlzpjSoKIMHGUy74wxFT4ozlqYMk2TxR2dTFYy98nXcZBCv X-Google-Smtp-Source: APXvYqwfgI8Kr0Lm57kf2Z5J8KyLFcQQTYBnM7py8lZ5TNLmAVC+giJmqSmJq4+s4FA1K5uqL9uHT3IghDrwVL82mIM+x/xbMJb+ MIME-Version: 1.0 X-Received: by 2002:a05:6638:38a:: with SMTP id y10mr37939351jap.104.1561294265707; Sun, 23 Jun 2019 05:51:05 -0700 (PDT) Date: Sun, 23 Jun 2019 05:51:05 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <00000000000018f6f1058bfd26e4@google.com> Subject: kernel BUG at arch/x86/mm/physaddr.c:LINE! (3) From: syzbot To: linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8"; format=flowed; delsp=yes Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello, syzbot found the following crash on: HEAD commit: abf02e29 Merge tag 'pm-5.2-rc6' of git://git.kernel.org/pu.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=15068816a00000 kernel config: https://syzkaller.appspot.com/x/.config?x=e5c77f8090a3b96b dashboard link: https://syzkaller.appspot.com/bug?extid=50a27df2d1cd8ae38609 compiler: gcc (GCC) 9.0.0 20181231 (experimental) Unfortunately, I don't have any reproducer for this crash yet. IMPORTANT: if you fix the bug, please add the following tag to the commit: Reported-by: syzbot+50a27df2d1cd8ae38609@syzkaller.appspotmail.com ------------[ cut here ]------------ kernel BUG at arch/x86/mm/physaddr.c:27! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 29308 Comm: kworker/0:0 Not tainted 5.2.0-rc5+ #31 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: events cache_reap RIP: 0010:__phys_addr+0xb3/0x120 arch/x86/mm/physaddr.c:27 Code: 08 4c 89 e3 31 ff 48 d3 eb 48 89 de e8 f6 00 3e 00 48 85 db 75 0f e8 4c ff 3d 00 4c 89 e0 5b 41 5c 41 5d 5d c3 e8 3d ff 3d 00 <0f> 0b e8 36 ff 3d 00 48 c7 c0 10 50 a7 88 48 ba 00 00 00 00 00 fc RSP: 0018:ffff88804752fbd8 EFLAGS: 00010093 RAX: ffff888059350600 RBX: 0000000000000000 RCX: ffffffff8132c192 RDX: 0000000000000000 RSI: ffffffff8132c1f3 RDI: 0000000000000006 RBP: ffff88804752fbf0 R08: ffff888059350600 R09: ffffed1008ea5f80 R10: ffffed1008ea5f7f R11: 0000000000000003 R12: 0000778000000000 R13: 0000000080000000 R14: ffff88804dd46c00 R15: ffffea00025de388 FS: 0000000000000000(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2f423000 CR3: 000000009320c000 CR4: 00000000001426f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: virt_to_head_page include/linux/mm.h:729 [inline] free_block+0xa8/0x250 mm/slab.c:3349 drain_array_locked+0x36/0x90 mm/slab.c:2142 drain_array+0x8c/0xb0 mm/slab.c:3960 cache_reap+0xf4/0x280 mm/slab.c:4001 process_one_work+0x989/0x1790 kernel/workqueue.c:2269 worker_thread+0x98/0xe40 kernel/workqueue.c:2415 kthread+0x354/0x420 kernel/kthread.c:255 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352 Modules linked in: ====================================================== --- This bug 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 bug report. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot.