From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-io1-f71.google.com (mail-io1-f71.google.com [209.85.166.71]) (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 52F1D43147 for ; Fri, 5 Sep 2025 09:41:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.71 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1757065265; cv=none; b=JcwROQDNP/5ObU5p1LQH91uDFTIoJP4cfW/Z9dhU2skIT+2206e7OhxmUJwq1RWXRVpkv8WBGmhov+ZUL4q792DcU98A9vD+jRVgo+DK9o1suc1iucj0ZEMyhU9PijvyJ84ct9PECUiuMmZQBNUgSWvgd9chBNbXHDfxkdzh5G8= 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=209.85.166.71 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-f71.google.com with SMTP id ca18e2360f4ac-886b58db928so219874239f.1 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=LE+wj9GADCP5NytvKbcjbRgrIbgovd+TSf3ko9DoVDYRFmX6eXzSdkDcGxYAy87INH d6CYTTGp9wDvbaiFeT40js/Mbogwl6d5KPXPOmPh4MQsLvTrc/Afj17SBqSfR+teYHzy cKTz5I7qBk9TZMihkKhnRSXDDafpL7MEE8i4igOY2bCz90Ts27+Xjt/zWqRbWWDjIY+t SL8gqQLHd37Pvc1//bnacTF3inH3PgQ3cumJ0KPeBoffx7aaVUFhSVSvjkK2j/0oUXjC MXeAxGC9Pw6HDZjcbVPDFyDW2lyC0nedBouvkHV9vTusCBSpTSi+gTGHMOz0fVJ0g2oB rW7w== X-Forwarded-Encrypted: i=1; AJvYcCXnSp5PVbMGyKzHBAGd3Pxo2aM1pIbns5SsWg8OaE3o45z2FFCem612tPHz/BlBiqOloYT5uP1nr7Xnjwk=@vger.kernel.org X-Gm-Message-State: AOJu0YxHCuZ8csn78D0o6X3jI6TErmdYHbK/UuYEuSPbW1yG+xt5VoXb sWLnJfhEJmLcmQyXBzvvtkT7wX+fkEHXdiLXS+/x7S6pHSQ+YVrVowUBHqTrg3HZfoOzDCpXyq6 Jil1DlOL7UU+hQRBSwAlo+2RE2zy9Inj4m7w5bKNL9werWg2QIXOY3TNUMsc= X-Google-Smtp-Source: AGHT+IHBN4mhIWYJqdlTPOYVgJ1hmlil3M4t2rTTnp8qFHKFxHD6XafcxWiVyjvT1/R8uTkZuE6jg+80noBzTXVCSqKMb8s1XeeT Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6602:2cce: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