From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f199.google.com (mail-il1-f199.google.com [209.85.166.199]) (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 C1497A944 for ; Wed, 27 Aug 2025 18:48:06 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.199 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756320488; cv=none; b=RKH42C4avyP/LxedeoiD6brHFM2gLczrujRDH+NuWeU6W3c5ZVmLjKlPVtVwMBn2OY7/QVG12t7Ay6QbmXMoXJygs9pSkSvUfNDDDWtGcAIYYhUA18JNBklOHDC+eNS7Hv8TPoifktMgfrFl4dGnJzM+Bt7EVX2GqJ81VY34KLQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756320488; c=relaxed/simple; bh=ZKABwh8CPMiBrKVh8SSKQwWIe8IPvKJSfpJYNTT+9kI=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=uGmhfcJy+SzF7lxOEevpdf75HqQ+cpEG9rgZ0QC9om8kkOds5Vw7jc8PDvQ8SYPJZUq8X4kgcCQlOmKfAgoQHuxIeEAzOOy/kjJHqO5MJjh4my7hTIusMnFLysu3O/Kp7hHBowziLVyNiaARmr6W4iOU7Ed8DtFIYbcLWW35CK0= 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=209.85.166.199 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-f199.google.com with SMTP id e9e14a558f8ab-3eee0110eb5so2786615ab.2 for ; Wed, 27 Aug 2025 11:48:06 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1756320486; x=1756925286; 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=/ZmRIpbQm+3yh9D0kp02qhNvxq2hCOcLzVcLSfknKG8=; b=umYMkGSzeBu8sJlcYyJ8XF4N06ZVBPq97U5YTD9E3IDTjVRqMQizA5u8iy671/fZ9s qtt8LSmM/oBhDfjD2Y4+MbLuIrB22Qp+Wn34D1xVGvRDg4T7zFJwPWnr0QRPSC1EZ34W U8bRVsAOSxARrNz/73o7iU05ZUZHG0nPaHv93HrOXGXWbqXzdWIurPIb3PKH7vHRhkdB VMYsNn3kvdhhvyDU0JXrWB623hnfTJpl1NmDpWtM+jsJaFeFqNj5pWnLRu0e9lmXq2+X AiB1dghX4qOnK2HcKyujbnRGpozlQRDPdhmCfhjPSSzkh4WifYa1RPxvjeiZA/N27IrW WMmw== X-Forwarded-Encrypted: i=1; AJvYcCU53YV4q8kaECguamxY4FyuXzRDCI5W3tLAZzhQvQPIP7U43INjcPHOoLlnV0Wd2TxmfxEN9a5YpmfF/3Y=@vger.kernel.org X-Gm-Message-State: AOJu0Ywr8Asnolv5IbzuNMK3i5mQ417bYTyrw1yK1mbE49y4sCWfnKfb Kr49Em/FFuz1YRGC5jn/V0wHy1NpEmukNpVz4TnmkugeVOjPtkK/+ITXwCOAcme8Sg0a9LuSbrB ZjtzLNieAXtCPY15mB/p21R86XVMCVLxGK78RA1fkb8ppAeTlcfN9Trb5kh4= X-Google-Smtp-Source: AGHT+IGxdf+5asFtx9Ejzpxtt7kfXutYSWZMjvbIUMS6RRXvb8DQ+zfYkl+ZHwyu6Q09DYlJekMtS2fu5XruHw0bFv+t5+JaKr0M 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:b41:b0:3ed:4f7a:9065 with SMTP id e9e14a558f8ab-3ed4f7a9383mr140209645ab.28.1756320485955; Wed, 27 Aug 2025 11:48:05 -0700 (PDT) Date: Wed, 27 Aug 2025 11:48:05 -0700 In-Reply-To: X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <68af52e5.a70a0220.3cafd4.0030.GAE@google.com> Subject: Re: [syzbot] [overlayfs?] WARNING in shmem_unlink From: syzbot To: amir73il@gmail.com, andrealmeid@igalia.com, linux-kernel@vger.kernel.org, linux-unionfs@vger.kernel.org, miklos@szeredi.hu, neil@brown.name, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Hello, syzbot has tested the proposed patch and the reproducer did not trigger any issue: Reported-by: syzbot+ec9fab8b7f0386b98a17@syzkaller.appspotmail.com Tested-by: syzbot+ec9fab8b7f0386b98a17@syzkaller.appspotmail.com Tested on: commit: 5dfcd103 ovl: adapt ovl_parent_lock() to casefolded di.. git tree: https://github.com/amir73il/linux ovl_casefold console output: https://syzkaller.appspot.com/x/log.txt?x=1040fc62580000 kernel config: https://syzkaller.appspot.com/x/.config?x=e1e1566c7726877e dashboard link: https://syzkaller.appspot.com/bug?extid=ec9fab8b7f0386b98a17 compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7 Note: no patches were applied. Note: testing is done by a robot and is best-effort only.