From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f206.google.com (mail-il1-f206.google.com [209.85.166.206]) (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 D04FA2E613A for ; Thu, 16 Oct 2025 10:50:30 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.206 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760611832; cv=none; b=J63pT6spFv5V7lz/VpkESst5yoUb/+UqaKEo/SbEcweJxMX9+6Fo19w2LYvqBljK+X6UpdfD1Q7TkWORDN67Q6lCPls72M9C+iofj6zA/6D9JRVv7b46ynw7xKPVC8nvvQhJfg6ciIP4rVkjELASDF5nQUuRanyz7cSR/ZzL0IM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760611832; c=relaxed/simple; bh=iUimImXCJHRuxM+ASUI/KeliJruswQ7KPnJH+9RiblI=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=MeW67/j3GtqzEbM/Ix1PAkd8qT7+vGPfT/UqGj6u5MepnyKhtYTCDx8HalBDH+6eaesTJSbrKji+86J/IIE4K0nx+yJNQwt9R0FKbTl3hqy1bb7/GnlijZ7MPeOzHv/7thxoHqn4Sme88fTA2mgsQFtvU3JBmFJxUDW1iWBkL1Q= 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=209.85.166.206 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-f206.google.com with SMTP id e9e14a558f8ab-42f989e2030so6600435ab.2 for ; Thu, 16 Oct 2025 03:50:30 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1760611830; x=1761216630; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=2VRpPqbYQd8sxTXcJe2EMXYwiy1HHrToaw6ZD3UJcaQ=; b=h+c+3aIdTqjYxIXeGUG/l+5Z9Ux5WSPKMKYmF3U2mYUnU8dzdw7amRSu+rH4L/FyUj M9L2jB/H18Ln2VSGtTdkfyL3SGvMVuU0vv81/qc4JHovuB4jW3Zj1qWlX1q5UooKWyhi vTss7/joDaezW4ROCtkFl/Pf53nPWNFHhOl/2qrW7cnbJyT5/P6x08kwSviEdOKdNEZY o7Fh2ZMWBOXZx7N+g/1lvhCZ7aCJJtiVZ+I3ZINirpE7pE2ixvb+Oedchp4Nk/w/Hr0R ScLLh16geyF/jqVEzOb5mqssCxHc1N2eR+i+elkHMsVl1+/JmaO5UbSEAjJ+f5/ID1Nc fssA== X-Forwarded-Encrypted: i=1; AJvYcCXGi+iR/d6lE8QsJ/YjysMVrRNiQYImKjUGvZmzXzgKJa0nr+LK9q+7Qlp0q9FcWTnDtxIZIgziFHhPNBU=@vger.kernel.org X-Gm-Message-State: AOJu0YxvU2JAGynVnM7VqGy4LJiPD0nncKSxuW2PUE2djUmw72B5FhBG mI2ZkMu9Lig/XC/mysJRLYUdJSjODpJLXtZYFvIkCGvUSYCqrHi8/Gq9B6Cq6TqrR/ciA3Z7ubK gTflUL60ULkwYG4d+/9nuf5zfKoip/HmJ/4/pvSKOLKga3JCEkkadFY1P8Aw= X-Google-Smtp-Source: AGHT+IGm2O7kHHj//MbzVo5A06W3sAnwrvGAl6cnxYTO2nfeZ1rZIMSRkjGT+i+7SOZFbE1x4OZFZJJ7XIOldYDMfW3uCZVmE2sq Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:1529:b0:3f3:4562:ca92 with SMTP id e9e14a558f8ab-42f8736a83fmr375595265ab.10.1760611829829; Thu, 16 Oct 2025 03:50:29 -0700 (PDT) Date: Thu, 16 Oct 2025 03:50:29 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <68f0cdf5.050a0220.91a22.0409.GAE@google.com> Subject: [syzbot] [ocfs2?] kernel BUG in ocfs2_dinode_sanity_check 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" Hello, syzbot found the following issue on: HEAD commit: 98906f9d850e Merge tag 'rtc-6.18' of git://git.kernel.org/.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=120a3892580000 kernel config: https://syzkaller.appspot.com/x/.config?x=c2d7b4143707d3a0 dashboard link: https://syzkaller.appspot.com/bug?extid=53383c9029311788bacc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 Unfortunately, I don't have any reproducer for this issue yet. Downloadable assets: disk image (non-bootable): https://storage.googleapis.com/syzbot-assets/d900f083ada3/non_bootable_disk-98906f9d.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/d82186923244/vmlinux-98906f9d.xz kernel image: https://storage.googleapis.com/syzbot-assets/a23e980d2d8e/bzImage-98906f9d.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+53383c9029311788bacc@syzkaller.appspotmail.com loop0: detected capacity change from 0 to 32768 ======================================================= WARNING: The mand mount option has been deprecated and and is ignored by this kernel. Remove the mand option from the mount to silence this warning. ======================================================= ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. (syz.0.0,5378,0):ocfs2_check_set_options:1244 ERROR: Invalid heartbeat mount options loop0: detected capacity change from 32768 to 32752 OCFS2: ERROR (device loop0): int ocfs2_validate_inode_block(struct super_block *, struct buffer_head *): Invalid dinode #17059: signature = On-disk corruption discovered. Please run fsck.ocfs2 once the filesystem is unmounted. OCFS2: File system is now read-only. (syz.0.0,5378,0):ocfs2_assign_bh:2417 ERROR: status = -30 (syz.0.0,5378,0):ocfs2_inode_lock_full_nested:2512 ERROR: status = -30 (syz.0.0,5378,0):ocfs2_inode_lock_tracker:2694 ERROR: status = -30 (syz.0.0,5378,0):ocfs2_xattr_get:1335 ERROR: status = -30 ------------[ cut here ]------------ kernel BUG at fs/ocfs2/alloc.c:238! Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI CPU: 0 UID: 0 PID: 5378 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) 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_dinode_sanity_check+0x8e/0x90 fs/ocfs2/alloc.c:238 Code: ff 89 c6 e8 94 f7 21 fe 85 db 75 18 e8 4b f3 21 fe 31 c0 5b 41 5e e9 51 84 b2 07 cc e8 3b f3 21 fe 90 0f 0b e8 33 f3 21 fe 90 <0f> 0b 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa RSP: 0018:ffffc9000d2c63a8 EFLAGS: 00010283 RAX: ffffffff839e605d RBX: 00000000ffffffff RCX: 0000000000100000 RDX: ffffc9000e172000 RSI: 0000000000003cbb RDI: 0000000000003cbc RBP: ffffc9000d2c6570 R08: ffff888000eb8000 R09: 0000000000000006 R10: 00000000fffffffc R11: ffffffff839e5fd0 R12: ffff88803209a790 R13: 1ffff92001a58c84 R14: dffffc0000000000 R15: ffffc9000d2c7160 FS: 00007f71f71ed6c0(0000) GS:ffff88808d301000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f71f71cbfc8 CR3: 0000000042704000 CR4: 0000000000352ef0 Call Trace: ocfs2_et_sanity_check fs/ocfs2/alloc.c:558 [inline] ocfs2_remove_rightmost_path+0xfd/0x990 fs/ocfs2/alloc.c:3040 ocfs2_rotate_tree_left+0x742/0xd40 fs/ocfs2/alloc.c:3225 ocfs2_truncate_rec+0x1411/0x1af0 fs/ocfs2/alloc.c:5510 ocfs2_remove_extent+0xdfc/0x2020 fs/ocfs2/alloc.c:5589 ocfs2_remove_btree_range+0xdef/0x1540 fs/ocfs2/alloc.c:5778 ocfs2_commit_truncate+0xb64/0x21d0 fs/ocfs2/alloc.c:7372 ocfs2_truncate_file+0xca2/0x1420 fs/ocfs2/file.c:509 ocfs2_setattr+0x1520/0x1b40 fs/ocfs2/file.c:1212 notify_change+0xc1a/0xf40 fs/attr.c:546 do_truncate+0x1a4/0x220 fs/open.c:68 handle_truncate fs/namei.c:3596 [inline] do_open fs/namei.c:3979 [inline] path_openat+0x306c/0x3830 fs/namei.c:4134 do_filp_open+0x1fa/0x410 fs/namei.c:4161 do_sys_openat2+0x121/0x1c0 fs/open.c:1437 do_sys_open fs/open.c:1452 [inline] __do_sys_creat fs/open.c:1530 [inline] __se_sys_creat fs/open.c:1524 [inline] __x64_sys_creat+0x8f/0xc0 fs/open.c:1524 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0xfa0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f71fad8eec9 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:00007f71f71ed038 EFLAGS: 00000246 ORIG_RAX: 0000000000000055 RAX: ffffffffffffffda RBX: 00007f71fafe5fa0 RCX: 00007f71fad8eec9 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000200000000080 RBP: 00007f71fae11f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f71fafe6038 R14: 00007f71fafe5fa0 R15: 00007ffdd473cfa8 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:ocfs2_dinode_sanity_check+0x8e/0x90 fs/ocfs2/alloc.c:238 Code: ff 89 c6 e8 94 f7 21 fe 85 db 75 18 e8 4b f3 21 fe 31 c0 5b 41 5e e9 51 84 b2 07 cc e8 3b f3 21 fe 90 0f 0b e8 33 f3 21 fe 90 <0f> 0b 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa RSP: 0018:ffffc9000d2c63a8 EFLAGS: 00010283 RAX: ffffffff839e605d RBX: 00000000ffffffff RCX: 0000000000100000 RDX: ffffc9000e172000 RSI: 0000000000003cbb RDI: 0000000000003cbc RBP: ffffc9000d2c6570 R08: ffff888000eb8000 R09: 0000000000000006 R10: 00000000fffffffc R11: ffffffff839e5fd0 R12: ffff88803209a790 R13: 1ffff92001a58c84 R14: dffffc0000000000 R15: ffffc9000d2c7160 FS: 00007f71f71ed6c0(0000) GS:ffff88808d301000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f71f71cbfc8 CR3: 0000000042704000 CR4: 0000000000352ef0 --- This report is generated by a bot. 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