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=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 80A12C4361B for ; Sun, 6 Dec 2020 10:52:12 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id E519723110 for ; Sun, 6 Dec 2020 10:52:11 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org E519723110 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 1E1136B005C; Sun, 6 Dec 2020 05:52:11 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 193446B005D; Sun, 6 Dec 2020 05:52:11 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 081206B0068; Sun, 6 Dec 2020 05:52:11 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0018.hostedemail.com [216.40.44.18]) by kanga.kvack.org (Postfix) with ESMTP id DF6AD6B005C for ; Sun, 6 Dec 2020 05:52:10 -0500 (EST) Received: from smtpin15.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay03.hostedemail.com (Postfix) with ESMTP id 9BBFE8249980 for ; Sun, 6 Dec 2020 10:52:10 +0000 (UTC) X-FDA: 77562542820.15.knife51_2d0c1be273d5 Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin15.hostedemail.com (Postfix) with ESMTP id 71D601814B0C7 for ; Sun, 6 Dec 2020 10:52:10 +0000 (UTC) X-HE-Tag: knife51_2d0c1be273d5 X-Filterd-Recvd-Size: 6321 Received: from mail-il1-f199.google.com (mail-il1-f199.google.com [209.85.166.199]) by imf31.hostedemail.com (Postfix) with ESMTP for ; Sun, 6 Dec 2020 10:52:09 +0000 (UTC) Received: by mail-il1-f199.google.com with SMTP id u17so9595857ilb.4 for ; Sun, 06 Dec 2020 02:52:09 -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=m1TUf8PFqzFr1eDR5A1rl2r3bs/Gqvq+G3mx1LPEktMPb7ej4n90FgiF/vvpeAWDIG z1jX+DGKrP1KUKF5kwneCnhqiURny+nTi455WnN4qGVR/EpZbhpp1dlCjEbCsloYJjRn FNyazDqMLkdPrf8U9zv70r2dnF+KgEj9mxekonoc5/GrKUV2Ex/QcYrE7kGyD5Nrm8Jd 42i15QL6ntZqex7alh903/8C6StnqtAKV+hqZffNBox+HMGA/O6DFRWxaeULkbilAoJ3 zOf1nncvaOjbT+45Vp98E0gDcZSsir7zQEuMNBZF/OyD8brT6aMoRTIEeGPd4idEDYCr JEfw== X-Gm-Message-State: AOAM533b/imB/aF0kQkUaw5q50+5f90APdpdBn0hOITDm+GN1PfioxeV Os+M+NajHKhVVN27rIR6zzQ9uUCTLVCI4G+42Zkv7JuFoZso 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" 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: 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. 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.