From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-io1-f69.google.com (mail-io1-f69.google.com [209.85.166.69]) (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 9A13C482D8 for ; Mon, 23 Sep 2024 08:31:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.69 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1727080265; cv=none; b=jlTplf00SiDJrI0f2AMW7vmC4ekGKaQkA798H4HRfVWfsusvL+7Kuv8xj1+813oCwixtslMXaMUcK2Xs6Vy5gcMxq+UI4U9kdxNysETuTAC4b9ESTxZS6F9+bmIG67D5d0/v1Y9YNvjQ7IUD6bbE963ZCeKA4MfOznnolQq53h0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1727080265; c=relaxed/simple; bh=pSfvSnMdUGXLyIQ69U2ktdOupz3zK04NOIHmix2s50c=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=YLQf9zTD2HJs+nIYJKUCAAoGzu5k4NM0H5xQ+oDg4CAD6YxYF9iGqpNlPV7QfiKGeD882tO6N+v34PcO18IJHgG06yvJb8sE1Ld4oap95DG89ooBTPrZ18FrbB+cxLuN61S6UjKXkNPKTdtT2eBSjUBkQn7RJRkfZawGFBpoukk= 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=209.85.166.69 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-f69.google.com with SMTP id ca18e2360f4ac-82aa499f938so387558539f.0 for ; Mon, 23 Sep 2024 01:31:03 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1727080263; x=1727685063; 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=D8dBS9nfxwKc8wJ81YcoZcfizUSL7JA5WGCQagHEnVA=; b=UxNJ3yXNJZrTpIhCkC7RtPrIQNNRXTPa6xLdVp7k4efH/Oi92GEprM3GkdNarz5+LU trhtHK4Vz+njcu51Rs7g6YzvEmLTDayLhoUX3x/Tawl4ypF5anPdR6GAnV2mt1zl7yMs JKFfSuplEBkmk0NqX6hGrQa87p5N0wLpq5BFurnXzaLmDZFek3Y8E4divJHY2LmJt/NP bqU19x31rq/crJyMQdziRRVuEqqff1owwRc9Lhz3fT9oedEBOGQSPK1NQJMgZP6PIo7B mnw90deweFZx6g3cWPZtLUw6dnQbdXHub49pqSh2k8WNP5tpeHpsUf1AnZfRPBVm76eh KnZA== X-Forwarded-Encrypted: i=1; AJvYcCX6NeFMYVgqeE30ZbY4vExjpCERIE7BqIaSvj9AqQbAV4dXXhC4kRlmL46mb9S9VhzCrlgkx5+t4Aecg1M=@vger.kernel.org X-Gm-Message-State: AOJu0YziofGHOveZIRaKEpG7cKRYY7fZOEMWmQS2t/d+PC6DnKiVU9fU d2uNuhLi0+3+qqSX1/sEj7+d6JeU0NYAgw4jIqQrae3CvxjTphQYBio1IqOGdiN06RueqZsX8kP CIUiffO6+8ruSvXUIAeRADOP4ZLDVCYD6lrKmuLK/dBU0E2you0yJlZg= X-Google-Smtp-Source: AGHT+IGvL8KtLMpluihqLnA0qmeGiZAgQEbIy/BxeKmJ0LBPZlE5xwAO+u8QrWagHINyQfFpf+3ERBI8bSoxvBSjUnF4l8lpxwwk Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:156d:b0:3a0:98ab:7932 with SMTP id e9e14a558f8ab-3a0c89fd980mr74950315ab.9.1727080262797; Mon, 23 Sep 2024 01:31:02 -0700 (PDT) Date: Mon, 23 Sep 2024 01:31:02 -0700 In-Reply-To: <0a4b798a-db82-40da-9167-141b684f43fa@suse.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <66f12746.050a0220.c23dd.000c.GAE@google.com> Subject: Re: [syzbot] [ocfs2?] kernel BUG in ocfs2_write_cluster_by_desc From: syzbot To: heming.zhao@suse.com, joseph.qi@linux.alibaba.com, linux-kernel@vger.kernel.org, ocfs2-devel@lists.linux.dev, pvmohammedanees2003@gmail.com, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Hello, syzbot has tested the proposed patch but the reproducer is still triggering an issue: kernel BUG in ocfs2_write_cluster_by_desc loop0: detected capacity change from 0 to 32768 ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. ------------[ cut here ]------------ kernel BUG at fs/ocfs2/aops.c:1179! Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI CPU: 0 UID: 0 PID: 5600 Comm: syz.0.16 Not tainted 6.11.0-syzkaller-08833-gde5cb0dcb74c-dirty #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_write_cluster fs/ocfs2/aops.c:1179 [inline] RIP: 0010:ocfs2_write_cluster_by_desc+0x207b/0x20b0 fs/ocfs2/aops.c:1240 Code: 03 48 8d bc 24 30 02 00 00 48 c7 c6 2e 2b 11 8e ba 7e 04 00 00 48 c7 c1 80 23 49 8c e8 7e 96 1d 00 90 0f 0b e8 c6 b7 0f fe 90 <0f> 0b e8 be b7 0f fe 90 0f 0b e8 b6 b7 0f fe 90 0f 0b e8 ae b7 0f RSP: 0018:ffffc90002a3ee20 EFLAGS: 00010293 RAX: ffffffff838501ea RBX: ffff8880493116e0 RCX: ffff88801fa3c880 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc90002a3f170 R08: ffffffff8384e89e R09: 1ffff110092622ac R10: dffffc0000000000 R11: ffffed10092622ad R12: 0000000000000000 R13: ffff8880126f0000 R14: ffff8880493116b8 R15: 0000000000000000 FS: 00007f40e6b146c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020201000 CR3: 000000001317a000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ocfs2_write_begin_nolock+0x3a2f/0x4ec0 fs/ocfs2/aops.c:1816 ocfs2_write_begin+0x205/0x3a0 fs/ocfs2/aops.c:1903 generic_perform_write+0x344/0x6d0 mm/filemap.c:4050 ocfs2_file_write_iter+0x17b1/0x1f50 fs/ocfs2/file.c:2456 new_sync_write fs/read_write.c:590 [inline] vfs_write+0xa6d/0xc90 fs/read_write.c:683 ksys_write+0x1a0/0x2c0 fs/read_write.c:736 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: 0033:0x7f40e5d7def9 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:00007f40e6b14038 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f40e5f35f80 RCX: 00007f40e5d7def9 RDX: 000000000208e24b RSI: 0000000020000240 RDI: 0000000000000004 RBP: 00007f40e5df0b76 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f40e5f35f80 R15: 00007ffed859a9e8 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:ocfs2_write_cluster fs/ocfs2/aops.c:1179 [inline] RIP: 0010:ocfs2_write_cluster_by_desc+0x207b/0x20b0 fs/ocfs2/aops.c:1240 Code: 03 48 8d bc 24 30 02 00 00 48 c7 c6 2e 2b 11 8e ba 7e 04 00 00 48 c7 c1 80 23 49 8c e8 7e 96 1d 00 90 0f 0b e8 c6 b7 0f fe 90 <0f> 0b e8 be b7 0f fe 90 0f 0b e8 b6 b7 0f fe 90 0f 0b e8 ae b7 0f RSP: 0018:ffffc90002a3ee20 EFLAGS: 00010293 RAX: ffffffff838501ea RBX: ffff8880493116e0 RCX: ffff88801fa3c880 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc90002a3f170 R08: ffffffff8384e89e R09: 1ffff110092622ac R10: dffffc0000000000 R11: ffffed10092622ad R12: 0000000000000000 R13: ffff8880126f0000 R14: ffff8880493116b8 R15: 0000000000000000 FS: 00007f40e6b146c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020201000 CR3: 000000001317a000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Tested on: commit: de5cb0dc Merge branch 'address-masking' git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=10b99c27980000 kernel config: https://syzkaller.appspot.com/x/.config?x=5b5c53071a819d59 dashboard link: https://syzkaller.appspot.com/bug?extid=18a87160c7d64ba2e2f6 compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 patch: https://syzkaller.appspot.com/x/patch.diff?x=148fc107980000