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 BAA61C433FE for ; Fri, 18 Nov 2022 10:44:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241667AbiKRKox (ORCPT ); Fri, 18 Nov 2022 05:44:53 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34232 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S241560AbiKRKor (ORCPT ); Fri, 18 Nov 2022 05:44:47 -0500 Received: from mail-il1-f197.google.com (mail-il1-f197.google.com [209.85.166.197]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4AB1E11A23 for ; Fri, 18 Nov 2022 02:44:46 -0800 (PST) Received: by mail-il1-f197.google.com with SMTP id i26-20020a056e021d1a00b003025434c04eso3069040ila.13 for ; Fri, 18 Nov 2022 02:44:46 -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:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=Ot4kKwTDVUpBEN/3kPWp+z40LpuYnbr0KRtnnKBPj9s=; b=Xm4IeiBffbEQVteo6TO6Kr54v7b5YcDmxG/cn+39yt0QFpwH4oA1Gaizd1kCtR6nZG twg32O3YUlmywcQrCdPsMvBa+gi5tRB2+/v7Hghi1qapGiWgwQHm05x2Y3fFSxbcPlL9 rT5g1mOZJtvNhOxamN669/WM+/dJAzUoEix8WABJwFNxvq9x3aHwjdV02fWGhzxzRflW E37uTGB3n9jmkDoaxzuzvJP+GIUd/Ko/3PNdsgt9qVoPDDnVN9qBQsw14D9b9hP75+lt FaakbtNmgAWk7FjGd+jYTnJmlim2Vc8WVmXi6azG/+UHEz9xaVDNV81zqXp/jcbFLjMe nIDw== X-Gm-Message-State: ANoB5ply6NPmoMWMUd6YDrxiw/F8GurB4eBZGXFMBbrSK5/yvZYTfVxR Z+KKEq9jW59YczN3yfJ1rtbDNHa/LKcTSdIYHGiWNxKwDG0k X-Google-Smtp-Source: AA0mqf6KxmCKBeQ3htPU6c4JhE+TEBxm4YuIIm5BI4dPsD63nR49fl4si9jJ0h5uIoE717cQR1ucbLSesL3vyxMyjpEdq5wc92lD MIME-Version: 1.0 X-Received: by 2002:a92:6c12:0:b0:2eb:1f07:5a7e with SMTP id h18-20020a926c12000000b002eb1f075a7emr3069865ilc.0.1668768285643; Fri, 18 Nov 2022 02:44:45 -0800 (PST) Date: Fri, 18 Nov 2022 02:44:45 -0800 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000e0d9a705edbc6497@google.com> Subject: [syzbot] WARNING in bh_lru_install From: syzbot To: jack@suse.com, linux-kernel@vger.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 Hello, syzbot found the following issue on: HEAD commit: 9500fc6e9e60 Merge branch 'for-next/core' 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=152c606e880000 kernel config: https://syzkaller.appspot.com/x/.config?x=b25c9f218686dd5e dashboard link: https://syzkaller.appspot.com/bug?extid=f275cebe321308c38cc1 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. Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/1363e60652f7/disk-9500fc6e.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/fcc4da811bb6/vmlinux-9500fc6e.xz kernel image: https://storage.googleapis.com/syzbot-assets/0b554298f1fa/Image-9500fc6e.gz.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+f275cebe321308c38cc1@syzkaller.appspotmail.com ------------[ cut here ]------------ VFS: brelse: Trying to free free buffer WARNING: CPU: 0 PID: 10338 at fs/buffer.c:1145 __brelse fs/buffer.c:1145 [inline] WARNING: CPU: 0 PID: 10338 at fs/buffer.c:1145 brelse include/linux/buffer_head.h:326 [inline] WARNING: CPU: 0 PID: 10338 at fs/buffer.c:1145 bh_lru_install+0x2cc/0x320 fs/buffer.c:1259 Modules linked in: CPU: 0 PID: 10338 Comm: syz-executor.2 Not tainted 6.1.0-rc5-syzkaller-32269-g9500fc6e9e60 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/30/2022 pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __brelse fs/buffer.c:1145 [inline] pc : brelse include/linux/buffer_head.h:326 [inline] pc : bh_lru_install+0x2cc/0x320 fs/buffer.c:1259 lr : __brelse fs/buffer.c:1145 [inline] lr : brelse include/linux/buffer_head.h:326 [inline] lr : bh_lru_install+0x2cc/0x320 fs/buffer.c:1259 sp : ffff800013ab3710 x29: ffff800013ab3710 x28: 0000000000000138 x27: 0000000000000002 x26: 0000000000000002 x25: 00000000000000fe x24: 0000000000000003 x23: ffff000119749d20 x22: 00000000000007f0 x21: 0000000000000008 x20: ffff0001197c2690 x19: 0000000000000000 x18: 00000000000003ef x17: ffff80000c0ed83c x16: ffff80000dc18158 x15: ffff00012b181a40 x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000040000 x11: 000000000001385f x10: ffff800017409000 x9 : fa1ee85d90993c00 x8 : fa1ee85d90993c00 x7 : ffff800008165f54 x6 : 0000000000000000 x5 : 0000000000000080 x4 : 0000000000000001 x3 : 0000000000000000 x2 : 0000000000000006 x1 : 0000000100000000 x0 : 0000000000000027 Call trace: __brelse fs/buffer.c:1145 [inline] brelse include/linux/buffer_head.h:326 [inline] bh_lru_install+0x2cc/0x320 fs/buffer.c:1259 __find_get_block fs/buffer.c:1309 [inline] __getblk_slow fs/buffer.c:1034 [inline] __getblk_gfp+0x1b4/0x21c fs/buffer.c:1333 __bread_gfp+0x3c/0x90 fs/buffer.c:1367 udf_read_tagged+0x7c/0x2e0 fs/udf/misc.c:219 udf_load_sparable_map fs/udf/super.c:1359 [inline] udf_load_logicalvol+0x4ac/0xb70 fs/udf/super.c:1450 udf_process_sequence+0x3b8/0x518 fs/udf/super.c:1766 udf_load_sequence fs/udf/super.c:1813 [inline] udf_check_anchor_block+0xf8/0x1e8 fs/udf/super.c:1852 udf_scan_anchors+0xb0/0x300 fs/udf/super.c:1885 udf_find_anchor+0x4c/0x1d4 fs/udf/super.c:1941 udf_load_vrs+0x88/0x240 fs/udf/super.c:2006 udf_fill_super+0x29c/0x858 fs/udf/super.c:2184 mount_bdev+0x1b8/0x210 fs/super.c:1401 udf_mount+0x44/0x58 fs/udf/super.c:122 legacy_get_tree+0x30/0x74 fs/fs_context.c:610 vfs_get_tree+0x40/0x140 fs/super.c:1531 do_new_mount+0x1dc/0x4e4 fs/namespace.c:3040 path_mount+0x358/0x890 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+0x2c4/0x3c4 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+0x48/0x164 arch/arm64/kernel/syscall.c:206 el0_svc+0x58/0x150 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:584 irq event stamp: 1278 hardirqs last enabled at (1277): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1366 [inline] hardirqs last enabled at (1277): [] finish_lock_switch+0x94/0xe8 kernel/sched/core.c:4950 hardirqs last disabled at (1278): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (1254): [] _stext+0x2e4/0x37c softirqs last disabled at (1249): [] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:79 ---[ end trace 0000000000000000 ]--- --- This report is generated by a bot. 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