From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f200.google.com (mail-il1-f200.google.com [209.85.166.200]) (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 C32F519F137 for ; Wed, 27 Aug 2025 18:48:06 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.200 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756320490; cv=none; b=d50X2pmfuzv6MQAmg23npT5Rxucle+buk9GvvGvJL5jRAwxFnmPxsJ4lJzgGe+Q9RuhkrRE0OpRdJwdZr9be80Ryk6j53wn6CCTPGL9mTEZQ7nYJc58KqQaNVACSWuu2lXHi+P5w/9juf+HmnQN4z9GLxAvkyMMQ0KE1y3iHZd4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756320490; c=relaxed/simple; bh=ZKABwh8CPMiBrKVh8SSKQwWIe8IPvKJSfpJYNTT+9kI=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=ebgQbP0LGRYiHjZsxPwKvluBIBf/UxdgxBXLeMt0LdFSmi/8JqeGsR4jaf/EUjtV91NQeAixHzsrAjtn4KLYuRghH1s2zoC53SbSvDcQWLsM4dUL340BfPdVYurVRBzAa7WZlmDZ9SMjwhyN2WZgq0Po0FB8Y9P7laZhHKFE8tE= 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=209.85.166.200 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-f200.google.com with SMTP id e9e14a558f8ab-3eee0110eb5so2786625ab.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=CbfTIoyXsnxC0Ygc278b8c33GQLNOpHd5bmHtMIaTqBlUYweMI9DTBBVbNa/Z8HOFW QXijFXrudwUOk2lZrf9iy6it67zz3Ul1dYypDaBq7ojDFXvE1zVXT+eeeP3dr62eUPcW o34SaHUaoS5PX8Wcg3qDKi1MmNa+Oejga+35078rgAQbe8ehVC12NsOkZOmCJrDF7O0r qAq37QYxQ+SfLmpJrrmse/KvpxlkktZiijFNB0/fbZtQqN6WuUVA3tVlJYsOyIRt0UdP BkimgdtRmoqmkRuuL8tfRfSYFqdsW7PtnzJqBjD2wJSx+JrW2VYTc71B+oyjxkFxMaPu W/2w== X-Forwarded-Encrypted: i=1; AJvYcCWG/sm98OgnZf6kJC37DEZSCZQx3N/dgXVUk+/mq1HxGQAGo0muPGjTv/+IaX7QpCK9rG2d9MH5JJFgB296@vger.kernel.org X-Gm-Message-State: AOJu0YxYm34hWr8387qeU5r9mc+VO/4PBj8JAACubHZo798D1NGze/xa XcNddO2WfHh6zl5wW0cg3E2MlSBNolPaTfCOo1dR/3Q5Y6F+Bj+cyohNZXsNPlg9/kvriQEdLDs /47dFDv682B2cWXKduLBIsMpqAmUDYcT08WqO9iwQsxqBMbtOdeJrDSoubDg= X-Google-Smtp-Source: AGHT+IGxdf+5asFtx9Ejzpxtt7kfXutYSWZMjvbIUMS6RRXvb8DQ+zfYkl+ZHwyu6Q09DYlJekMtS2fu5XruHw0bFv+t5+JaKr0M Precedence: bulk X-Mailing-List: linux-unionfs@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.