From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-ot1-f69.google.com (mail-ot1-f69.google.com [209.85.210.69]) (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 B9597285CA4 for ; Wed, 24 Jun 2026 11:35:02 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.210.69 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1782300903; cv=none; b=ZeLS6lyXv3mLj0qJGgIk1q0lLkuzWAQJDwObrUxm6Jag0XmWEgiEIdvBdgffYt9dnhpAUDgod62XNFLf9jBgqJYcQ88oUsKgHKr2nn6Y69RBcKhq24RT4g5lSwfqxnE/aIeSYqZYzSjd5Diuf6n7xHDsnNOUBPJSWCbipQ8g2OQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1782300903; c=relaxed/simple; bh=KlDFNqvN9e8LADivYYDzOhGSGnhn8hFEWVI67gn19IU=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=o6/L9QztxJ8qJ5T1F+lZnoycXEngtsDqoGWEwcH0QTeruf+A6NcGBhNkJmOjj5mlNHHEpDRuUA/jUs6wF+xnAVzQnJwZ/041jMwpBK3SoWIQxxX2OYJmdDRXvgYDfIKlNNev7aC9NBuM4Z0iV7cm3g1lRMZgHHU4N8RkGnfs7so= 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=209.85.210.69 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-ot1-f69.google.com with SMTP id 46e09a7af769-7e92c443b82so764548a34.2 for ; Wed, 24 Jun 2026 04:35:02 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1782300902; x=1782905702; 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=XvE9Pm70gpmoaAxrFlJ/o8U3S+zB4RLe5NXVuDhnvvk=; b=IxijTbSG1V8HClx6Y/XI0Ly3fq0ZBw29bKyN2ZNIpyQFLGI/DCUx+Rv0+R4RoKHI/T EO+py0MXyN7Gt2ofITAaOD0VWAjlemHZ3fMGjw9VD6D4dT/hiuFVMmmJ+YLeyIWvqcMi dK2h1voin3KcK7rtJi/jwwKIKf7keB3PKx2mgTdMTt+kTahIbtJrA4dSO0l3ti/X9tPY iVQuphHvjzQwwbWn3iguVp9ReVCBygKGvfzVyEZdG26ngp97Kcst1wNnpqZQG4rb7JwA biiYW9gBQL54QV8XFjHBUUVKjxFXgV6tFbxRaj66qVEnCbI0Ve05YEGO82h07aCmi1cL UOdg== X-Forwarded-Encrypted: i=1; AFNElJ+4qlaSWWK3+vK5VAhgutdwloFe8gm8c9DCU4aZwbWX4va+DkL1qGjXNSEBmlgzgjCtP4yuW8yC5a9ofhU8@vger.kernel.org X-Gm-Message-State: AOJu0YxhPeHWChWgj++XWZcQyGVWIqR8faItgfplcF/bQBDGU4YEC60P zX4EEF8kaKoC4j9aNO277SEucULr9WTnUiL3+tsPVqlbLEq2NsAmQFahFm87jNa6XINNwcZpU2b pI9D//FAB0jW9LLhBHqD1IYMzNhLXtZETNX5Rfl96lLrJdBu+B8N4J1XJyA0= Precedence: bulk X-Mailing-List: linux-fsdevel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6808:690a:b0:487:57d9:9d1c with SMTP id 5614622812f47-49077298b49mr1819793b6e.14.1782300901672; Wed, 24 Jun 2026 04:35:01 -0700 (PDT) Date: Wed, 24 Jun 2026 04:35:01 -0700 In-Reply-To: <2961584.1782299080@warthog.procyon.org.uk> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6a3bc0e5.92e8a34c.2b91f1.0007.GAE@google.com> Subject: Re: [syzbot] [netfs?] KASAN: slab-use-after-free Read in netfs_unbuffered_write From: syzbot To: dhowells@redhat.com, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, netfs@lists.linux.dev, pc@manguebit.org, 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+3c74b1f0c372e98efc32@syzkaller.appspotmail.com Tested-by: syzbot+3c74b1f0c372e98efc32@syzkaller.appspotmail.com Tested on: commit: 8fde5d1d Merge tag 'acpi-7.1-rc6' of git://git.kernel... git tree: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git console output: https://syzkaller.appspot.com/x/log.txt?x=179edb7a580000 kernel config: https://syzkaller.appspot.com/x/.config?x=8118209836970b54 dashboard link: https://syzkaller.appspot.com/bug?extid=3c74b1f0c372e98efc32 compiler: gcc (Debian 14.2.0-19) 14.2.0, GNU ld (GNU Binutils for Debian) 2.44 patch: https://syzkaller.appspot.com/x/patch.diff?x=1557d766580000 Note: testing is done by a robot and is best-effort only.