From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-io1-f71.google.com (mail-io1-f71.google.com [209.85.166.71]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id C369A15218A for ; Thu, 11 Jul 2024 11:00:29 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.71 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1720695631; cv=none; b=JgEV5JlSjF8+WFO2zolE+QPnABiVzWO+iUBbewIdfdjXXB9gk8NsSIqM8OWjHfu+dspp3m5T/tr0E5wmVrWh3mqn/mmtgo/Zhd3oA5j/GzJMQmPRgqSqiGBlDJgulTY4qmMx4nsbo0E3mAJHYC5cRshnFP7YjlynTIPSsAZfvgE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1720695631; c=relaxed/simple; bh=ddmT7oyJ9piBmQXTe+lQG/PT9XyFxoMrK72nBn2P9ko=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=Rq93ASwyc3WZ6EEyPEDKbK8ErERzv9Ef12WlGcFjdAWq0LMiYmY//OZyITMMBsGORB8S3MwnzuLOWoBICaUtcpAW8DfrLYE6rQxeqYmoLDI16YXPYwcnfbQufO99gN005ikhB3no1BAYHvFjk0mHZl7/c5vc9xpUQFo/rqmzKIo= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com; arc=none smtp.client-ip=209.85.166.71 Authentication-Results: smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com Received: by mail-io1-f71.google.com with SMTP id ca18e2360f4ac-807b123d985so60465739f.0 for ; Thu, 11 Jul 2024 04:00:29 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1720695629; x=1721300429; 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=tw2zfpiKXVI0VSbegHndyINqj2Ifk+/lWPppaUlLXFY=; b=EZER4C/UrLyqY92KUtqmJQvuWWU1uMB60i8U+6k32PA4URNca8iIT9BaV+0fpyn30c 0ymLPpZLq4MmrLTs4HDCSI8/cHLqA/ctlCEMwuhXAE8ThUa06r9XJ5wwejAyZOV5+rpQ HuSxx3b2I4DFTr9PWAHWC6RcM8OZxpbDzznTCidhlalVdzrkmEpMiVTDlMftY5dRzlsN MxnPrH5WpNLWTVRPVyty9S9L4uuffHHafxOmMcxPV/Q3c4x1Kj/PQCkkXnbuxDAabkk/ e9jyPqAp3lLpDhEMw869fzim2uKkiPPR8R9ySeeY8/9VSxOn7ezDJ6SDSTX7P2Pj/ieD mLfQ== X-Forwarded-Encrypted: i=1; AJvYcCWaXL3mIeaGj3FRiRrUg5UwXEQgesnF1OB8BzXcG4Q6xohFv+Vi2CwkeRcmpyBZSiqj8y99opbsw5Ie0fDFhbQe23ejgQ== X-Gm-Message-State: AOJu0YxKPyCDBIMb7T52x+Gq/G4CFGkNYa7bySyMprgVcGJ2f0jf1pwD 7Y0tUGUfCsgi6NRVdefTdxEnYL4xpxRsKVAcvnovSRGdu6ajjJpemVAk6fqjpdIHp1fp8vTv8qS 6/fU9SuRbCPWupLS5txcPjrInPF7theD1wDZXlYUpuWxbxms1cdCNYfk= X-Google-Smtp-Source: AGHT+IHOxxQhZi4HG8jvCUKVTrJYz3gRiIkAfJQXjaKxRsvCaBDC+5V1xZOVe4pjQD0Kox9zl/lusYWRJFoceUBSMMI8wuJbA5Bs Precedence: bulk X-Mailing-List: gfs2@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6602:2cc7:b0:809:488:97f with SMTP id ca18e2360f4ac-80904880adcmr26239f.4.1720695628955; Thu, 11 Jul 2024 04:00:28 -0700 (PDT) Date: Thu, 11 Jul 2024 04:00:28 -0700 In-Reply-To: <0000000000002501960619e2366b@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000bb1365061cf6ab5b@google.com> Subject: Re: [syzbot] [gfs2?] BUG: corrupted list in gfs2_fill_super From: syzbot To: agruenba@redhat.com, gfs2@lists.linux.dev, hdanton@sina.com, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" syzbot has found a reproducer for the following issue on: HEAD commit: 523b23f0bee3 Add linux-next specific files for 20240710 git tree: linux-next console output: https://syzkaller.appspot.com/x/log.txt?x=100b427e980000 kernel config: https://syzkaller.appspot.com/x/.config?x=98dd8c4bab5cdce dashboard link: https://syzkaller.appspot.com/bug?extid=d34c2a269ed512c531b0 compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=16907bb9980000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=10ce66a5980000 Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/345bcd25ed2f/disk-523b23f0.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/a4508962d345/vmlinux-523b23f0.xz kernel image: https://storage.googleapis.com/syzbot-assets/4ba5eb555639/bzImage-523b23f0.xz mounted in repro: https://storage.googleapis.com/syzbot-assets/65bde6695704/mount_3.gz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+d34c2a269ed512c531b0@syzkaller.appspotmail.com list_del corruption, ffff88801e354410->prev is LIST_POISON2 (dead000000000122) ------------[ cut here ]------------ kernel BUG at lib/list_debug.c:61! Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI CPU: 1 UID: 0 PID: 5777 Comm: syz-executor410 Not tainted 6.10.0-rc7-next-20240710-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 RIP: 0010:__list_del_entry_valid_or_report+0x106/0x140 lib/list_debug.c:59 Code: e8 af 5f d8 06 90 0f 0b 48 c7 c7 80 a0 20 8c 4c 89 fe e8 9d 5f d8 06 90 0f 0b 48 c7 c7 e0 a0 20 8c 4c 89 fe e8 8b 5f d8 06 90 <0f> 0b 48 c7 c7 40 a1 20 8c 4c 89 fe 48 89 d9 e8 76 5f d8 06 90 0f RSP: 0018:ffffc9000912f928 EFLAGS: 00010246 RAX: 000000000000004e RBX: dead000000000122 RCX: 710a8d5645865200 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: 1ffff11005f41d00 R08: ffffffff8173e319 R09: 1ffff92001225ec0 R10: dffffc0000000000 R11: fffff52001225ec1 R12: dffffc0000000000 R13: ffff88801e354400 R14: ffff88802c12a810 R15: ffff88801e354410 FS: 00007fcd932e66c0(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005555827377f8 CR3: 000000002046e000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __list_del_entry_valid include/linux/list.h:124 [inline] __list_del_entry include/linux/list.h:215 [inline] list_del_rcu include/linux/rculist.h:157 [inline] destroy_workqueue+0x7b3/0xc40 kernel/workqueue.c:5847 gfs2_fill_super+0x128a/0x2500 fs/gfs2/ops_fstype.c:1310 get_tree_bdev+0x3f7/0x570 fs/super.c:1624 gfs2_get_tree+0x54/0x220 fs/gfs2/ops_fstype.c:1329 vfs_get_tree+0x90/0x2a0 fs/super.c:1789 do_new_mount+0x2be/0xb40 fs/namespace.c:3471 do_mount fs/namespace.c:3811 [inline] __do_sys_mount fs/namespace.c:4019 [inline] __se_sys_mount+0x2d6/0x3c0 fs/namespace.c:3996 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fcd9335b60a Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 ee 08 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fcd932e5fd8 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007fcd932e5ff0 RCX: 00007fcd9335b60a RDX: 00000000200124c0 RSI: 0000000020012500 RDI: 00007fcd932e5ff0 RBP: 0000000000000005 R08: 00007fcd932e6030 R09: 00000000000124a5 R10: 0000000000000800 R11: 0000000000000282 R12: 00007fcd932e6030 R13: 0000000000000800 R14: 0000000000000004 R15: 0000000001000000 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__list_del_entry_valid_or_report+0x106/0x140 lib/list_debug.c:59 Code: e8 af 5f d8 06 90 0f 0b 48 c7 c7 80 a0 20 8c 4c 89 fe e8 9d 5f d8 06 90 0f 0b 48 c7 c7 e0 a0 20 8c 4c 89 fe e8 8b 5f d8 06 90 <0f> 0b 48 c7 c7 40 a1 20 8c 4c 89 fe 48 89 d9 e8 76 5f d8 06 90 0f RSP: 0018:ffffc9000912f928 EFLAGS: 00010246 RAX: 000000000000004e RBX: dead000000000122 RCX: 710a8d5645865200 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: 1ffff11005f41d00 R08: ffffffff8173e319 R09: 1ffff92001225ec0 R10: dffffc0000000000 R11: fffff52001225ec1 R12: dffffc0000000000 R13: ffff88801e354400 R14: ffff88802c12a810 R15: ffff88801e354410 FS: 00007fcd932e66c0(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005555827377f8 CR3: 000000002046e000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 --- If you want syzbot to run the reproducer, reply with: #syz test: git://repo/address.git branch-or-commit-hash If you attach or paste a git patch, syzbot will apply it before testing.