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 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 5B6E5C197BF for ; Sun, 6 Dec 2020 10:53:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2E83B2332F for ; Sun, 6 Dec 2020 10:53:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727304AbgLFKwv (ORCPT ); Sun, 6 Dec 2020 05:52:51 -0500 Received: from mail-io1-f69.google.com ([209.85.166.69]:41385 "EHLO mail-io1-f69.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725822AbgLFKwu (ORCPT ); Sun, 6 Dec 2020 05:52:50 -0500 Received: by mail-io1-f69.google.com with SMTP id v21so7390397iol.8 for ; Sun, 06 Dec 2020 02:52:34 -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=RtKCf1BHb9m9+5vtHLsgsBlaX/jO4yFmes7RmdsLhfg=; b=EeZbyiGdUfWDfGalY4rsbhWA+9AoTt7AiDVylSVmY6Mxld0OaBY95hokFPc5qYbRcH QgPETmsiXCUTgIqotdfR2myDh1yxGBg4nDFZPLFNyvIVi1D6NUghoSTSI5mk1IDh+m9J 8/ywiHExJRSrleICNuO/++UTC4cT2+9rha/RcB1mWdVznCHhk3IaZYq+Yswe1FJjQqdK K6RWO6LwkSEOe5zjxxXlTxw/H6Xj92m4SVtC6h9/e3WS4G1E9RfkKVqw08bh08SQeoVM Oju6m4HuENXBJcxCol4mDxkvPVk7N9qvwLjzBZhuE3IQ1iGXzioANkvihWM3EIbCdoES Ar0Q== X-Gm-Message-State: AOAM532dZzodAIPinWUYeLaPazD+IQLgT/kSU9F+a00nzxp1V+ZZYNI2 k/MiK7VuBM/7n7+GZEcfN3E7XV4kVQTDlBdelLgO7x9/mDnq X-Google-Smtp-Source: ABdhPJw15iksimG2cP2A5NCC75wbxRwbsnn26ZmqNYIkqdFIKwi/MvzGW11U5QmfTArX18YATB4jOPO44beb16EY11R6e3ttgddw MIME-Version: 1.0 X-Received: by 2002:a92:c682:: with SMTP id o2mr779659ilg.97.1607251929424; Sun, 06 Dec 2020 02:52:09 -0800 (PST) Date: Sun, 06 Dec 2020 02:52:09 -0800 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000005168bf05b5c980b8@google.com> Subject: kernel BUG at mm/internal.h:LINE! (3) 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: 509a1542 Merge tag '5.10-rc6-smb3-fixes' of git://git.samb.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=123d9a55500000 kernel config: https://syzkaller.appspot.com/x/.config?x=e49433cfed49b7d9 dashboard link: https://syzkaller.appspot.com/bug?extid=9e1bcf66d5e11d021793 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+9e1bcf66d5e11d021793@syzkaller.appspotmail.com ------------[ cut here ]------------ kernel BUG at mm/internal.h:400! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 28126 Comm: kworker/u4:0 Not tainted 5.10.0-rc6-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: writeback wb_workfn (flush-8:0) RIP: 0010:vma_address mm/internal.h:400 [inline] RIP: 0010:vma_address mm/internal.h:392 [inline] RIP: 0010:rmap_walk_file+0x6b4/0xbf0 mm/rmap.c:1923 Code: f8 06 48 01 44 24 18 e9 1b fb ff ff e8 25 1c ca ff 4c 8d bb 00 f0 1f 00 e9 92 fd ff ff e8 14 1c ca ff 4c 89 e7 e8 95 bb 07 07 <0f> 0b e8 05 1c ca ff 48 8b 44 24 10 4c 8d 68 78 4c 89 ef e8 f4 a5 RSP: 0018:ffffc9001656efb8 EFLAGS: 00010283 RAX: 0000000000000154 RBX: 0000000000000000 RCX: 0000000000000000 RDX: ffff8880702f8000 RSI: ffffffff8158c855 RDI: fffff52002caddd2 RBP: ffffea00014ef380 R08: 0000000000000154 R09: ffff8880b9e30627 R10: 0000000000000000 R11: 0000000000000000 R12: ffff888000129318 R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8880b9e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000052df4c CR3: 000000016e143000 CR4: 00000000001506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rmap_walk+0x105/0x190 mm/rmap.c:1948 page_mkclean+0x21c/0x2b0 mm/rmap.c:998 clear_page_dirty_for_io+0x318/0xbe0 mm/page-writeback.c:2698 mpage_submit_page+0x80/0x2c0 fs/ext4/inode.c:2072 mpage_process_page_bufs+0x656/0x780 fs/ext4/inode.c:2206 mpage_prepare_extent_to_map+0x904/0xe00 fs/ext4/inode.c:2618 ext4_writepages+0x95f/0x38a0 fs/ext4/inode.c:2746 do_writepages+0xec/0x290 mm/page-writeback.c:2352 __writeback_single_inode+0x122/0x1180 fs/fs-writeback.c:1461 writeback_sb_inodes+0x53d/0xef0 fs/fs-writeback.c:1721 __writeback_inodes_wb+0xc6/0x280 fs/fs-writeback.c:1790 wb_writeback+0x814/0xc40 fs/fs-writeback.c:1896 wb_check_old_data_flush fs/fs-writeback.c:1998 [inline] wb_do_writeback fs/fs-writeback.c:2051 [inline] wb_workfn+0x891/0x12d0 fs/fs-writeback.c:2080 process_one_work+0x933/0x15a0 kernel/workqueue.c:2272 worker_thread+0x64c/0x1120 kernel/workqueue.c:2418 kthread+0x3b1/0x4a0 kernel/kthread.c:292 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296 Modules linked in: ---[ end trace 5d185e0c163f88c9 ]--- RIP: 0010:vma_address mm/internal.h:400 [inline] RIP: 0010:vma_address mm/internal.h:392 [inline] RIP: 0010:rmap_walk_file+0x6b4/0xbf0 mm/rmap.c:1923 Code: f8 06 48 01 44 24 18 e9 1b fb ff ff e8 25 1c ca ff 4c 8d bb 00 f0 1f 00 e9 92 fd ff ff e8 14 1c ca ff 4c 89 e7 e8 95 bb 07 07 <0f> 0b e8 05 1c ca ff 48 8b 44 24 10 4c 8d 68 78 4c 89 ef e8 f4 a5 RSP: 0018:ffffc9001656efb8 EFLAGS: 00010283 RAX: 0000000000000154 RBX: 0000000000000000 RCX: 0000000000000000 RDX: ffff8880702f8000 RSI: ffffffff8158c855 RDI: fffff52002caddd2 RBP: ffffea00014ef380 R08: 0000000000000154 R09: ffff8880b9e30627 R10: 0000000000000000 R11: 0000000000000000 R12: ffff888000129318 R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8880b9e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000749138 CR3: 0000000013a93000 CR4: 00000000001506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 --- This report is generated by a bot. 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