From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f198.google.com (mail-il1-f198.google.com [209.85.166.198]) (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 75EAF1891BD for ; Mon, 9 Sep 2024 18:22:24 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.198 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1725906146; cv=none; b=K/Y4T4wrm4w1HHHiR2fLHBHma7x3nbyywO8mCfKJ1fQhsExst1qfQlOk5alMS9v6JJsLxHcyNy/F93BxBS5nSOzLgGF4RPijn0zTxhRSkXNKOwI2TqzOXMxjKalAmU03o7MzGsLqdCr6p09NdbnLkgXnv4LTZvBEco2uodMO/6k= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1725906146; c=relaxed/simple; bh=NtyjkX+1bGqCpmVxNMOyCCyksiDENu8acybT/GPJfdk=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=rHDUGUo6nFliaUT/jsNyg0WIm8a2upcQCcbDEmzSp/Csh6ceGEcx6JW0YvLW2W8Pq2ICK1bSZ7S9lcWVc/4PLrppiolXuoBsOqSlcjkweeUhfsTmluElGxjJJei1dEGhNX3fgr2Lzxvtbbo8LBEV4EQZCIkZU1M1eEafsTf/p10= 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=209.85.166.198 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-il1-f198.google.com with SMTP id e9e14a558f8ab-3a047cb2e7dso78220345ab.3 for ; Mon, 09 Sep 2024 11:22:24 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1725906143; x=1726510943; 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=YZZI31CASFNs3jooZUjFUTIRWTitRbHWZlYPwCSUElk=; b=Ey+6Zl5bm+7ev6g/S4LNTvjZnPBxLfd+R8uAJ4zJzqydUvKx94w51EXsTu7eMKvJ2K o4n8ytlVm7me7VkABQM8HMselGOLdi5bb44H0Hd+pTuXBlM8Wguba7KP5OYQjTE5GRyU EuTDmjYQXxvrNs5MCE5jX6b6zUnn15cXESxQmwDgSAnLWuim4uP4m75gGa2SraEKAuaH mrKRx1LVwMNgwylhq6GfscTzFDqSxAYbHZW+MKhlDcGM7jxe36YTd2eZIBsAPjij+3eK BOUKtkL73DilW0W5Y9JZzCTFL62728hlNptFyDIfDs+fUqzRNEAEvGEL16li8Vnebq2l OBag== X-Forwarded-Encrypted: i=1; AJvYcCWNREWiu5gsBoAULKYHT6OqlcQDd9EPjNNGWWgXZ1EL1LkjlMQkZOLBs7GDwm1QevSoaDTsM3AmMY3IEew=@vger.kernel.org X-Gm-Message-State: AOJu0YzOCB5IHuTY05QNSiniZO5JZLA7sExd1cHpapwxLk53lkwe5LBp vEIe6NyPw5XW++qxON+eqRfl1T1L4mwHLMuuDr5jcpy0WkGhb6Ev6Gv7PdSHGTgStaskQME1QLO AmupQxY7DhixCm4tlRvoLbQfeSa7/+sinR4ScBCG5O/v6J2D6uA9h54M= X-Google-Smtp-Source: AGHT+IECUPxL2xHm/Lehf8VLrKkLtam0Xi+mvX/Zj84PtwKBSCL30FES7DfLB/6LEw5AG0tJcDBRMoq4BZNZb6zkJKqIou+El3eb Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:1a69:b0:398:4bda:cf66 with SMTP id e9e14a558f8ab-3a04f0e23f2mr146523905ab.18.1725906143570; Mon, 09 Sep 2024 11:22:23 -0700 (PDT) Date: Mon, 09 Sep 2024 11:22:23 -0700 In-Reply-To: <000000000000b10c48062134870d@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000009a7f1f0621b3d649@google.com> Subject: Re: [syzbot] [ocfs2?] kernel BUG in _ocfs2_free_suballoc_bits From: syzbot To: jlbec@evilplan.org, joseph.qi@linux.alibaba.com, linux-kernel@vger.kernel.org, mark@fasheh.com, ocfs2-devel@lists.linux.dev, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" syzbot has found a reproducer for the following issue on: HEAD commit: da3ea35007d0 Linux 6.11-rc7 git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=139d743b980000 kernel config: https://syzkaller.appspot.com/x/.config?x=61d235cb8d15001c dashboard link: https://syzkaller.appspot.com/bug?extid=2d6d9df993967dde8297 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=14a32200580000 Downloadable assets: disk image (non-bootable): https://storage.googleapis.com/syzbot-assets/7bc7510fe41f/non_bootable_disk-da3ea350.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/1ab780d224f6/vmlinux-da3ea350.xz kernel image: https://storage.googleapis.com/syzbot-assets/834dde85c1c2/bzImage-da3ea350.xz mounted in repro #1: https://storage.googleapis.com/syzbot-assets/fac451c0badd/mount_2.gz mounted in repro #2: https://storage.googleapis.com/syzbot-assets/81fbd0552bdc/mount_23.gz mounted in repro #3: https://storage.googleapis.com/syzbot-assets/03da9db81461/mount_24.gz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+2d6d9df993967dde8297@syzkaller.appspotmail.com ------------[ cut here ]------------ kernel BUG at fs/ocfs2/suballoc.c:2542! Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI CPU: 0 UID: 0 PID: 5596 Comm: syz.0.31 Not tainted 6.11.0-rc7-syzkaller #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:_ocfs2_free_suballoc_bits+0x11a2/0x14a0 fs/ocfs2/suballoc.c:2542 Code: 18 e9 8f fb ff ff 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c 92 fb ff ff 4c 89 e7 e8 c9 a0 6a fe e9 85 fb ff ff e8 4f 58 03 fe 90 <0f> 0b e8 47 58 03 fe 90 0f 0b f3 0f 1e fa 65 8b 1d 95 a2 73 7c bf RSP: 0018:ffffc90003147840 EFLAGS: 00010293 RAX: ffffffff83903461 RBX: 00000000ffffffff RCX: ffff888034b74880 RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 RBP: ffffc900031479e8 R08: ffffffff839023bc R09: 0000000000000001 R10: dffffc0000000000 R11: fffffbfff2030ee6 R12: ffff88803fa77bc8 R13: dffffc0000000000 R14: ffff88804c17ae00 R15: dffffc0000000000 FS: 00007fedd93ef6c0(0000) GS:ffff88801fe00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f1fc838b897 CR3: 0000000056c10000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: _ocfs2_free_clusters+0x5ff/0xad0 fs/ocfs2/suballoc.c:2646 ocfs2_replay_truncate_records fs/ocfs2/alloc.c:5971 [inline] __ocfs2_flush_truncate_log+0x760/0x1250 fs/ocfs2/alloc.c:6054 ocfs2_flush_truncate_log+0x4f/0x70 fs/ocfs2/alloc.c:6076 ocfs2_sync_fs+0x125/0x390 fs/ocfs2/super.c:402 iterate_supers+0xc6/0x190 fs/super.c:934 ksys_sync+0xdb/0x1c0 fs/sync.c:104 __do_sys_sync+0xe/0x20 fs/sync.c:113 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: 0033:0x7fedd857cef9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fedd93ef038 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 RAX: ffffffffffffffda RBX: 00007fedd8736058 RCX: 00007fedd857cef9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007fedd85ef046 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000001 R14: 00007fedd8736058 R15: 00007ffde5c8eca8 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:_ocfs2_free_suballoc_bits+0x11a2/0x14a0 fs/ocfs2/suballoc.c:2542 Code: 18 e9 8f fb ff ff 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c 92 fb ff ff 4c 89 e7 e8 c9 a0 6a fe e9 85 fb ff ff e8 4f 58 03 fe 90 <0f> 0b e8 47 58 03 fe 90 0f 0b f3 0f 1e fa 65 8b 1d 95 a2 73 7c bf RSP: 0018:ffffc90003147840 EFLAGS: 00010293 RAX: ffffffff83903461 RBX: 00000000ffffffff RCX: ffff888034b74880 RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 RBP: ffffc900031479e8 R08: ffffffff839023bc R09: 0000000000000001 R10: dffffc0000000000 R11: fffffbfff2030ee6 R12: ffff88803fa77bc8 R13: dffffc0000000000 R14: ffff88804c17ae00 R15: dffffc0000000000 FS: 00007fedd93ef6c0(0000) GS:ffff88801fe00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f04fbd58000 CR3: 0000000056c10000 CR4: 0000000000350ef0 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.