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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id AA3C2ECAAA1 for ; Tue, 30 Aug 2022 21:43:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231741AbiH3Vns (ORCPT ); Tue, 30 Aug 2022 17:43:48 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45060 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231782AbiH3Vnj (ORCPT ); Tue, 30 Aug 2022 17:43:39 -0400 Received: from mail-io1-f69.google.com (mail-io1-f69.google.com [209.85.166.69]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 29A068A7FD for ; Tue, 30 Aug 2022 14:43:29 -0700 (PDT) Received: by mail-io1-f69.google.com with SMTP id l15-20020a0566022dcf00b00688e70a26deso7476528iow.12 for ; Tue, 30 Aug 2022 14:43:29 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc; bh=hZh3KPzu6vdJmcyyc9fUNxMkq5x2+UaiRlgdtQCrWEU=; b=ZJQd/yEXOzQ42Ad4XR0/5BZwhOKDXNwQ/39LjLlEY7HMmr37m/B8lgm0gLoi4Oh9Vr X8PMTCHAPzD/qihdtHyQtjA+Z2pftWOzQSUngs3sDbwcs9aAPD1ZxLPMiLPqHNqEWRhC hxKiu+53v7/cIoUBvATK6JDhBencZeB6b6SJyOFNH2qdmuOzztTlmkKq7Ru/vKsde/3C GE2C4pRCFOlaaA4iszXaq9lFr8cD9X/EggITGWfGlZp6+1IucVAcf78y8x1NTH1N1F2i AKndFYhW1KHXl/lVPhHJ0ktyzI1QHgcjNLdIk8oFNnRqlSRFKYJIEMLb3uqVS1yqgoXP 2OVQ== X-Gm-Message-State: ACgBeo21sNrtC/xJgqJlwp0Uf0h3xHI36ztNd010vtKmas9j6v74y2bl k06IBOog7NfAhZnAUP7408xhJyvaOPsd2qPvgc9uE71boZAQ X-Google-Smtp-Source: AA6agR6qi8L+tGvCcx/hZ0pVix3H6mvvJw+FlU77PhHXSRcmqs9Q+44EOhcGC+4jPeHXSc6HJjIyqoZEDVG/eFLsQJs+/YXuY4W3 MIME-Version: 1.0 X-Received: by 2002:a02:ca04:0:b0:349:f94d:5ea8 with SMTP id i4-20020a02ca04000000b00349f94d5ea8mr13321724jak.156.1661895808438; Tue, 30 Aug 2022 14:43:28 -0700 (PDT) Date: Tue, 30 Aug 2022 14:43:28 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <00000000000050d56805e77c4582@google.com> Subject: [syzbot] WARNING in writeback_single_inode From: syzbot To: linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com, viro@zeniv.linux.org.uk Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org Hello, syzbot found the following issue on: HEAD commit: a41a877bc12d Merge branch 'for-next/fixes' into for-kernelci git tree: git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci console output: https://syzkaller.appspot.com/x/log.txt?x=178fc957080000 kernel config: https://syzkaller.appspot.com/x/.config?x=5cea15779c42821c dashboard link: https://syzkaller.appspot.com/bug?extid=fc721e2fe15a5aac41d1 compiler: Debian clang version 13.0.1-++20220126092033+75e33f71c2da-1~exp1~20220126212112.63, GNU ld (GNU Binutils for Debian) 2.35.2 userspace arch: arm64 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+fc721e2fe15a5aac41d1@syzkaller.appspotmail.com ntfs3: loop4: RAW NTFS volume: Filesystem size 0.00 Gb > volume size 0.00 Gb. Mount in read-only ------------[ cut here ]------------ WARNING: CPU: 0 PID: 24385 at fs/fs-writeback.c:1678 writeback_single_inode+0x374/0x388 fs/fs-writeback.c:1678 Modules linked in: CPU: 0 PID: 24385 Comm: syz-executor.4 Not tainted 6.0.0-rc2-syzkaller-16455-ga41a877bc12d #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : writeback_single_inode+0x374/0x388 fs/fs-writeback.c:1678 lr : writeback_single_inode+0x374/0x388 fs/fs-writeback.c:1678 sp : ffff800020d4b9c0 x29: ffff800020d4ba10 x28: ffff0000e4bc8000 x27: fffffc0003f22700 x26: 0000000000000a00 x25: 0000000000000000 x24: 0000000000000001 x23: 0000000000001000 x22: ffff800020d4ba60 x21: 0000000000000000 x20: ffff0000fd87f7b7 x19: ffff0000fd87f840 x18: 0000000000000369 x17: 0000000000000000 x16: ffff80000dbb8658 x15: ffff0000e1cc0000 x14: 0000000000000130 x13: 00000000ffffffff x12: 0000000000040000 x11: 000000000003ffff x10: ffff80001d55c000 x9 : ffff80000861f6d4 x8 : 0000000000040000 x7 : ffff80000861f3a4 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000000 x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: writeback_single_inode+0x374/0x388 fs/fs-writeback.c:1678 write_inode_now+0xb0/0xdc fs/fs-writeback.c:2723 iput_final fs/inode.c:1735 [inline] iput+0x1d4/0x314 fs/inode.c:1774 ntfs_fill_super+0xc30/0x14a4 fs/ntfs/super.c:2994 get_tree_bdev+0x1e8/0x2a0 fs/super.c:1323 ntfs_fs_get_tree+0x28/0x38 fs/ntfs3/super.c:1358 vfs_get_tree+0x40/0x140 fs/super.c:1530 do_new_mount+0x1dc/0x4e4 fs/namespace.c:3040 path_mount+0x358/0x914 fs/namespace.c:3370 do_mount fs/namespace.c:3383 [inline] __do_sys_mount fs/namespace.c:3591 [inline] __se_sys_mount fs/namespace.c:3568 [inline] __arm64_sys_mount+0x2f8/0x408 fs/namespace.c:3568 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall arch/arm64/kernel/syscall.c:52 [inline] el0_svc_common+0x138/0x220 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x48/0x154 arch/arm64/kernel/syscall.c:206 el0_svc+0x58/0x150 arch/arm64/kernel/entry-common.c:624 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:642 el0t_64_sync+0x18c/0x190 irq event stamp: 3030 hardirqs last enabled at (3029): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1367 [inline] hardirqs last enabled at (3029): [] finish_lock_switch+0x94/0xe8 kernel/sched/core.c:4942 hardirqs last disabled at (3030): [] el1_dbg+0x24/0x5c arch/arm64/kernel/entry-common.c:395 softirqs last enabled at (2780): [] _stext+0x2e4/0x37c softirqs last disabled at (1405): [] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] softirqs last disabled at (1405): [] invoke_softirq+0x70/0xbc kernel/softirq.c:452 ---[ end trace 0000000000000000 ]--- Unable to handle kernel paging request at virtual address 000000fd87f9e147 Mem abort info: ESR = 0x0000000096000004 EC = 0x25: DABT (current EL), IL = 32 bits SET = 0, FnV = 0 EA = 0, S1PTW = 0 FSC = 0x04: level 0 translation fault Data abort info: ISV = 0, ISS = 0x00000004 CM = 0, WnR = 0 user pgtable: 4k pages, 48-bit VAs, pgdp=0000000128316000 [000000fd87f9e147] pgd=0000000000000000, p4d=0000000000000000 Internal error: Oops: 96000004 [#1] PREEMPT SMP Modules linked in: CPU: 0 PID: 24385 Comm: syz-executor.4 Tainted: G W 6.0.0-rc2-syzkaller-16455-ga41a877bc12d #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : xa_marked include/linux/xarray.h:420 [inline] pc : mapping_tagged include/linux/fs.h:461 [inline] pc : writeback_single_inode+0x228/0x388 fs/fs-writeback.c:1703 lr : writeback_single_inode+0x218/0x388 fs/fs-writeback.c:1702 sp : ffff800020d4b9c0 x29: ffff800020d4ba10 x28: ffff0000e4bc8000 x27: fffffc0003f22700 x26: 0000000000000a00 x25: 0000000000001000 x24: 0000000000000001 x23: 0000000000000001 x22: ffff800020d4ba60 x21: ffff0000fd87f88f x20: ffff0000fd87f7b7 x19: ffff0000fd87f840 x18: 0000000000000369 x17: 0000000000000000 x16: ffff80000dbb8658 x15: ffff0000e1cc0000 x14: 0000000000000130 x13: 00000000ffffffff x12: 0000000000040000 x11: ff8080000861f578 x10: 0000000000000002 x9 : ffff0000e1cc0000 x8 : ff0000fd87f9e0ff x7 : ffff80000861f3a4 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000000 x2 : 0000000000000001 x1 : 0000000000000001 x0 : 0000000000000000 Call trace: xa_marked include/linux/xarray.h:420 [inline] mapping_tagged include/linux/fs.h:461 [inline] writeback_single_inode+0x228/0x388 fs/fs-writeback.c:1703 write_inode_now+0xb0/0xdc fs/fs-writeback.c:2723 iput_final fs/inode.c:1735 [inline] iput+0x1d4/0x314 fs/inode.c:1774 ntfs_fill_super+0xc30/0x14a4 fs/ntfs/super.c:2994 get_tree_bdev+0x1e8/0x2a0 fs/super.c:1323 ntfs_fs_get_tree+0x28/0x38 fs/ntfs3/super.c:1358 vfs_get_tree+0x40/0x140 fs/super.c:1530 do_new_mount+0x1dc/0x4e4 fs/namespace.c:3040 path_mount+0x358/0x914 fs/namespace.c:3370 do_mount fs/namespace.c:3383 [inline] __do_sys_mount fs/namespace.c:3591 [inline] __se_sys_mount fs/namespace.c:3568 [inline] __arm64_sys_mount+0x2f8/0x408 fs/namespace.c:3568 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall arch/arm64/kernel/syscall.c:52 [inline] el0_svc_common+0x138/0x220 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x48/0x154 arch/arm64/kernel/syscall.c:206 el0_svc+0x58/0x150 arch/arm64/kernel/entry-common.c:624 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:642 el0t_64_sync+0x18c/0x190 Code: 710006ff 54000281 f9401a88 2a1f03e0 (b9404917) ---[ end trace 0000000000000000 ]--- ---------------- Code disassembly (best guess): 0: 710006ff cmp w23, #0x1 4: 54000281 b.ne 0x54 // b.any 8: f9401a88 ldr x8, [x20, #48] c: 2a1f03e0 mov w0, wzr * 10: b9404917 ldr w23, [x8, #72] <-- trapping instruction --- This report is generated by a bot. 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