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 5F48BC4321E for ; Mon, 5 Dec 2022 14:19:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229949AbiLEOTq (ORCPT ); Mon, 5 Dec 2022 09:19:46 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33190 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230293AbiLEOTo (ORCPT ); Mon, 5 Dec 2022 09:19:44 -0500 Received: from mail-il1-f198.google.com (mail-il1-f198.google.com [209.85.166.198]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1235D13DF5 for ; Mon, 5 Dec 2022 06:19:43 -0800 (PST) Received: by mail-il1-f198.google.com with SMTP id i7-20020a056e021b0700b003033a763270so10866154ilv.19 for ; Mon, 05 Dec 2022 06:19:43 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=to:from:subject:message-id:in-reply-to:date:mime-version :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=/8Jk8KOOFBxQyZWRhL6bo/qrStKvX/xfP+IaTpaySrc=; b=owuF5B24w86NVmD+WgkFmN+4cbTQ0RErmZ6y/YBtzezmK9wmstnuINHaPRFwqvXFAG 8O/TkA9ZwlcCDH+Ju8zT97aJUySxAm39U7YN0j5Ihf5rtZEPWPyTzPjTTjtOgCEEf9vW I2CpOcEaq16MpHKZ6u4hWliT2YIC/BS0FO/Kg/OlRAlOivwx7VEvJt7yPxRRNsyVB04E 2hezW7OrBU6q/wmkhocSggnkqpHAxq80LBx9FsEGi0dUz8AGl6j7gsjirxNmCRbWAqKC 4vflJGYs8ssaKVUObOjfiBxU74eIHaRn9oHlffoY4OsOYjXBxYaBoCfOFcMWayBKrXc8 kP3w== X-Gm-Message-State: ANoB5pk/iJuCp3oHXRRrQ0dVoeTf28xD10FRfAfgxvAzbiiAPWC3cNDo 7ZoHG8GKEOXArYYWhJ/xm2IRufBND4SMMZbUMhRTUrAvOCyV X-Google-Smtp-Source: AA0mqf6nJfXe1VS1PVIyKS0X/i2Qm5cE4J7MVXPFd+/DAvBa0aMgqaJDYbQ0rkWZULR2oqOK7DDJsoSqjaxIlovg/tVXWn/TPHGR MIME-Version: 1.0 X-Received: by 2002:a02:2206:0:b0:371:d6e:c33a with SMTP id o6-20020a022206000000b003710d6ec33amr38687666jao.204.1670249982365; Mon, 05 Dec 2022 06:19:42 -0800 (PST) Date: Mon, 05 Dec 2022 06:19:42 -0800 In-Reply-To: <0000000000007f649605ee57c509@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000e29cae05ef1560ab@google.com> Subject: Re: [syzbot] WARNING in diUnmount From: syzbot To: jfs-discussion@lists.sourceforge.net, linux-kernel@vger.kernel.org, okanatov@gmail.com, shaggy@kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org syzbot has found a reproducer for the following issue on: HEAD commit: 9e46a7996732 Add linux-next specific files for 20221125 git tree: linux-next console+strace: https://syzkaller.appspot.com/x/log.txt?x=17e16583880000 kernel config: https://syzkaller.appspot.com/x/.config?x=11e19c740a0b2926 dashboard link: https://syzkaller.appspot.com/bug?extid=47366a6b503c7edf6bbb compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=12170129880000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=10d77d6b880000 Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/758d818cf966/disk-9e46a799.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/f7c8696b40a5/vmlinux-9e46a799.xz kernel image: https://storage.googleapis.com/syzbot-assets/810f9750b87f/bzImage-9e46a799.xz mounted in repro: https://storage.googleapis.com/syzbot-assets/87349f941ac3/mount_0.gz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+47366a6b503c7edf6bbb@syzkaller.appspotmail.com R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 jfs_mount_rw: diMount failed! ------------[ cut here ]------------ WARNING: CPU: 1 PID: 5299 at mm/slab_common.c:923 mod_lruvec_page_state include/linux/vmstat.h:563 [inline] WARNING: CPU: 1 PID: 5299 at mm/slab_common.c:923 free_large_kmalloc+0xad/0xe0 mm/slab_common.c:930 Modules linked in: CPU: 1 PID: 5299 Comm: syz-executor293 Not tainted 6.1.0-rc6-next-20221125-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 RIP: 0010:free_large_kmalloc+0xad/0xe0 mm/slab_common.c:923 Code: ee 48 89 ef 5d 41 5c 41 5d e9 cf bd 0d 00 e8 3a 22 d1 ff 44 89 e2 be 06 00 00 00 48 89 ef e8 2a fc 1f 00 e8 95 23 d1 ff eb c6 <0f> 0b 80 3d 06 a4 a6 0c 00 0f 84 e5 75 0b 08 48 8b 74 24 20 4c 89 RSP: 0018:ffffc90003dafbc8 EFLAGS: 00010246 RAX: 00fff00000000000 RBX: ffff8880765b2930 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffff88801d468000 RDI: ffffea0000751a00 RBP: ffffea0000751a00 R08: 0000000000000007 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff88801d468000 R13: ffff88802009c200 R14: ffff8880765b0d70 R15: ffff8880765b2930 FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000559d632cbd28 CR3: 000000000c48e000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: diUnmount+0xf1/0x130 fs/jfs/jfs_imap.c:195 jfs_umount+0x189/0x410 fs/jfs/jfs_umount.c:63 jfs_put_super+0x85/0x1a0 fs/jfs/super.c:194 generic_shutdown_super+0x158/0x410 fs/super.c:492 kill_block_super+0x9b/0xf0 fs/super.c:1428 deactivate_locked_super+0x98/0x160 fs/super.c:332 deactivate_super+0xb1/0xd0 fs/super.c:363 cleanup_mnt+0x2ae/0x3d0 fs/namespace.c:1291 task_work_run+0x16f/0x270 kernel/task_work.c:179 exit_task_work include/linux/task_work.h:38 [inline] do_exit+0xaa8/0x28d0 kernel/exit.c:820 do_group_exit+0xd4/0x2a0 kernel/exit.c:950 __do_sys_exit_group kernel/exit.c:961 [inline] __se_sys_exit_group kernel/exit.c:959 [inline] __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:959 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fdcfc9f6ce9 Code: Unable to access opcode bytes at 0x7fdcfc9f6cbf. RSP: 002b:00007ffe9b47d4c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 00007fdcfca713f0 RCX: 00007fdcfc9f6ce9 RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 00007ffe9b47d6b8 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fdcfca713f0 R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001