From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-oi1-f208.google.com (mail-oi1-f208.google.com [209.85.167.208]) (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 994A65464C for ; Mon, 10 Aug 2026 00:12:33 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.167.208 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786320755; cv=none; b=GHoX9zrwvh7dmKQ2g/AFRK7D/pC8ODjPZdLsHmBooFihNYtn8ICiKudIhxYpquJ3X4npVhnUF4Nkh/q1zMUt2z0iqQhFerGw2pv4mhJ88KXm0Jxl090zCAUlyEHdVx73F/MfBdRn30M7hcsaAgm88dagBg2+/RHKwcefmmSXv4c= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786320755; c=relaxed/simple; bh=4xurSwU0cAmSIfKEi6AOScHUqhMi5MjKmiuvcuQk9JE=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=EYSDSNF48IZLuBNLu+OjwwwsKzrd80fHd6kTHzWePkzgRlIwtSF08eKnIq03vTW85bKe5W0salTCtfT1xUBmZUsTJ7hH2EL3RrWkPkJRI0Qj4tV7Vb9rONgh3zSmYk233HupJBkOr5k2DKUbi9U3ay3UHhXa0FKRovsdxBrrATM= 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=209.85.167.208 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-oi1-f208.google.com with SMTP id 5614622812f47-4a7de733fa9so1876933b6e.3 for ; Sun, 09 Aug 2026 17:12:33 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1786320752; x=1786925552; h=content-type:to:from:subject:message-id:date:mime-version :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to :content-type; bh=8gwlsc5IwhwT8WhzudQjXDbDhJ08HU0n1lZYdDeLgus=; b=dagAn2h5P2UXn3iA6TTYWVEuiXtXJP39+StcS9KxPSLoQJQFWUHzDdJqJHz5IHAn5D ihzm+YWpKQycN5v9Y/l6UNPJL9Gc2tsg55mbHJ5gHnyLE6b6GE3dQbcz10Pw/gD7sky/ kPNY2Gyrax5WNM8FyOBnTBVR7wAUSjSBMIdJRgquE0aCcqRaml0l1VYMHRABXODmhxxd qhFYfhwSb+weSOna+L+/WOYlW+6XleDzArlzLVn3DFxzX0XmM2Fyv8gyBnVv1h6NgIPh y/r5bhbaR/1IgmBkO1yVasWv59vOj9oMRivZRzZ0p8FXBQ/JtWtEnGQPUG1NBltmXUkx CnWA== X-Forwarded-Encrypted: i=1; AHgh+RqKc/9qi77zYD+Si84jeY9M0EbDLiaVY/idTML6YBjN4r4lLOgBsbHKKsyU6iLR+PXFTwWZOCiDgxrusgs=@vger.kernel.org X-Gm-Message-State: AOJu0YwVIHwSplwD8Wc1ffqRczPdPMzXQ08ST613/Dxwi/58/76uikkw pbahow3olCkwciA9uf8kHQc7bQk9pxCIdO0u3Y//3tMTcMIpQxqLWGjU9f+seQx+E36TDPbWxUd 8+4o2IpqLIK/0K0KKS8CAGfGldU8bLI2YUvy8BMbf1eaP3i6+fBrEStue5jE= Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6808:120e:b0:489:93ff:9ea0 with SMTP id 5614622812f47-4afadf22b65mr20995133b6e.2.1786320752584; Sun, 09 Aug 2026 17:12:32 -0700 (PDT) Date: Sun, 09 Aug 2026 17:12:32 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6a791770.01d0871a.3a0d52.0097.GAE@google.com> Subject: [syzbot] [btrfs?] WARNING in btrfs_create_new_inode (3) From: syzbot To: clm@fb.com, dsterba@suse.com, linux-btrfs@vger.kernel.org, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Hello, syzbot found the following issue on: HEAD commit: 848acc8ffe1b Merge tag 'fsverity-for-linus' of git://git.k.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=1689be32580000 kernel config: https://syzkaller.appspot.com/x/.config?x=c05be6c9b0d36cb9 dashboard link: https://syzkaller.appspot.com/bug?extid=c1b8c52e6c0142c5e448 compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8 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-848acc8f.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/2425c07b5d46/vmlinux-848acc8f.xz kernel image: https://storage.googleapis.com/syzbot-assets/cf278dd14da3/bzImage-848acc8f.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+c1b8c52e6c0142c5e448@syzkaller.appspotmail.com ------------[ cut here ]------------ btrfs_abort_should_print_stack(__error) WARNING: fs/btrfs/inode.c:6576 at btrfs_create_new_inode+0x1ddc/0x1ee0 fs/btrfs/inode.c:6576, CPU#0: syz.0.0/5350 Modules linked in: CPU: 0 UID: 0 PID: 5350 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 04/01/2014 RIP: 0010:btrfs_create_new_inode+0x1ddc/0x1ee0 fs/btrfs/inode.c:6576 Code: 00 00 00 83 fb f4 0f 85 e8 00 00 00 e8 6d 8d b3 fd e9 e7 00 00 00 e8 63 8d b3 fd eb 10 e8 5c 8d b3 fd eb 09 e8 55 8d b3 fd 90 <0f> 0b 90 89 d9 f7 d9 e9 b8 f8 ff ff e8 43 8d b3 fd eb 10 e8 3c 8d RSP: 0018:ffffc9000e4676c0 EFLAGS: 00010287 RAX: ffffffff8413956b RBX: 00000000ffffffe4 RCX: 0000000000100000 RDX: ffffc90020802000 RSI: 000000000000106b RDI: 000000000000106c RBP: ffffc9000e4678f0 R08: ffff888032e5ca80 R09: 0000000000000003 R10: 00000000fffffffb R11: 0000000000000002 R12: ffff888052814640 R13: ffff888042f14610 R14: 00000000ffffffe4 R15: ffff88805203c001 FS: 00007f21d3c956c0(0000) GS:ffff88808c540000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000380000 CR3: 000000003ecc1000 CR4: 0000000000352ef0 Call Trace: btrfs_create_common+0x189/0x310 fs/btrfs/inode.c:6803 lookup_open fs/namei.c:4508 [inline] open_last_lookups fs/namei.c:4608 [inline] path_openat+0x133a/0x3830 fs/namei.c:4860 do_file_open+0x23e/0x4a0 fs/namei.c:4892 do_sys_openat2+0x115/0x200 fs/open.c:1368 do_sys_open fs/open.c:1374 [inline] __do_sys_openat fs/open.c:1390 [inline] __se_sys_openat fs/open.c:1385 [inline] __x64_sys_openat+0x138/0x170 fs/open.c:1385 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x174/0x580 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f21d2d9e019 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f21d3c94fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007f21d3026180 RCX: 00007f21d2d9e019 RDX: 000000000000275a RSI: 0000200000000080 RDI: ffffffffffffff9c RBP: 00007f21d2e3500c R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f21d3026218 R14: 00007f21d3026180 R15: 00007ffd6a122ff8 --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@googlegroups.com. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot. If the report is already addressed, let syzbot know by replying with: #syz fix: exact-commit-title If you want to overwrite report's subsystems, reply with: #syz set subsystems: new-subsystem (See the list of subsystem names on the web dashboard) If the report is a duplicate of another one, reply with: #syz dup: exact-subject-of-another-report If you want to undo deduplication, reply with: #syz undup