From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-io1-f69.google.com (mail-io1-f69.google.com [209.85.166.69]) (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 5CBFE27C17F for ; Fri, 5 Sep 2025 09:41:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.69 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1757065265; cv=none; b=baWMw28IbOCzO243IquWqPstzFPzBrnQDd+R7dDG6liD+KbsAPzAdirNCtMZ4f0n0wr/tCXvph3Es+Jr0o0A9Q5TuQJg5U64rQ+0KoiAx6cKAxHDbH6RgW2eGdQiDUzH69bO7GDd4V9QZbdSpnbyTX8O2CAb4oncZkMJTwwCqXU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1757065265; c=relaxed/simple; bh=zY3iPCrHKjavbVIMB6JWljwaLMmTnlvXQG8FRJBM1pw=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=iO7pCTtCbc8VruoHuygam3/kbyUN/VHJHgwlOYSzLooTL88V4zEqtfsyrBF8Ult5lco8w5C0S4tQcesFlOd7+VXKVRZp3wqBpwOAXVgwksT2wxEtxbhqXJIarvcHE17SSbN13b13pOyoLwbw5jLpgbMjdvklXsM1zYuszAhrvIU= 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=209.85.166.69 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-io1-f69.google.com with SMTP id ca18e2360f4ac-8877131dec5so14164339f.2 for ; Fri, 05 Sep 2025 02:41:04 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1757065263; x=1757670063; 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=jcO9YHpqobesarBM3yKY5yBwnh+DabzfkdcwLv1S+YM=; b=e1MTaCKQAEQEVyjcSZOOTEbPPmdlj0+lFNLeCcRuUFuoKja1JPnpreA6qZ/SWuCwr0 gnugW4nd6dz6VQirYI0mJNN3Oi1mhvxRb91Q0ljELlnBbFeVgCNmC53Khmhar9K5ZYDu QNMvQELr0C2zs9lgS3Y1cA5DaleluRKmWJ/roEAwLKae9XrL+vxuUb5HqLXC/GSH28kY +eHMhyVMJjzgK+40Qta4OfnFgAUcaMjQulach7phCzux2xJB9Ihb2y8bDIW89XdG+85p d6Qr6YQ3lSEd7vPzRai8MTMekodZ+4ck02iKsM59g+SIiUdhtMOWxzS9WV++Hb/GJizv T77w== X-Forwarded-Encrypted: i=1; AJvYcCWlWSmfewhJZMR00WUPYDbaG9SwXvLGSz+mKHf9z27BOxAS6j/IIhpZboDlmHuxL0BqxgYz5HRJJw==@vger.kernel.org X-Gm-Message-State: AOJu0YzutzQDtHapR+oJCoohdm+7ih1klS3RBbbqssiJHl8KpuXprWRW ZqmrCWxjQ6ieR8Dt4fASLHZnPMJyVaF+V2gW9K/NWXLgnwyOe8rdbrHzlu0csnFZHSqVqu1KN8R hnyMrOoskAhdBbSUrQK/LWZUwWC4dIIalVM9RSRwDFZxO9pk5zQA4L8qwrLg= X-Google-Smtp-Source: AGHT+IHBN4mhIWYJqdlTPOYVgJ1hmlil3M4t2rTTnp8qFHKFxHD6XafcxWiVyjvT1/R8uTkZuE6jg+80noBzTXVCSqKMb8s1XeeT Precedence: bulk X-Mailing-List: io-uring@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6602:2cce:b0:887:3ae9:c3d9 with SMTP id ca18e2360f4ac-8873ae9c618mr2474046039f.2.1757065263535; Fri, 05 Sep 2025 02:41:03 -0700 (PDT) Date: Fri, 05 Sep 2025 02:41:03 -0700 In-Reply-To: X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <68bab02f.050a0220.192772.0189.GAE@google.com> Subject: Re: [syzbot] [io-uring?] KASAN: null-ptr-deref Read in io_sqe_buffer_register From: syzbot To: akpm@linux-foundation.org, axboe@kernel.dk, david@redhat.com, io-uring@vger.kernel.org, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Hello, syzbot tried to test the proposed patch but the build/boot failed: failed to apply patch: checking file mm/gup.c patch: **** unexpected end of file in patch Tested on: commit: be5d4872 Add linux-next specific files for 20250905 git tree: linux-next kernel config: https://syzkaller.appspot.com/x/.config?x=fbc16d9faf3a88a4 dashboard link: https://syzkaller.appspot.com/bug?extid=1ab243d3eebb2aabf4a4 compiler: patch: https://syzkaller.appspot.com/x/patch.diff?x=1127e962580000