From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-oi1-f198.google.com (mail-oi1-f198.google.com [209.85.167.198]) (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 D79883D9DB3 for ; Mon, 17 Aug 2026 16:38:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.167.198 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786984686; cv=none; b=jzza8vJx7FLH3BGzywsq95eq6dbhECxmT3XA/O39gZNrtNRSuSygE5zGWOkS//1g7qGqhbeU2/clb9xn02tYOtl2miTbR+EpcxzEGs6SLhI7WUqEtzEovXhVSP0FopvajrRupgQ5PYP9sSFJjl0d7g71puQvoG7vdtsw9HhA65Q= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786984686; c=relaxed/simple; bh=O5tWgxmwgMrUnydp1q9GOvUzClrE/Mq92ksXIVL8dHY=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=r/DFb+ymOw1OhrXcTNJFmBI9tqsAmYHGMrVW5eQTpkK44qscROWnlUVo17eFDAo2XpcxsisFfwhVr5H7tI3IiVGoWPk67Se973FatUL1Vrq6TkEznodzZGg5JGFO++Txljwdkzod6S6mxN71U9/8NFrXxubih/xcsaj6sGjqUgU= 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=209.85.167.198 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-oi1-f198.google.com with SMTP id 5614622812f47-4b28dbf4197so756696b6e.2 for ; Mon, 17 Aug 2026 09:38:03 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1786984683; x=1787589483; h=content-type:to:from:subject:message-id:in-reply-to:date :mime-version:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to:content-type; bh=6ry6iaEim5a44990Oh54c+d4+LN5Mgz5CQaOqSlmlJI=; b=lTN99WYaHlw2bOubcjFmjD+M+2koixuKAFQhLzyQ+9LdZeHtLQVglPa8U2lh7FKgZN QXBP7iAHIdtok6Nnj1sTkGuuBCSDR5GJbdk5DgWPIYNksnnYck5xJ/7PmI4Ph8buD29/ Z5hKV28aSKkUTaEPAGoutsP7olU+Sx2kkHbKuTDB31dJANm9u4E56ovUbuYe/lXiLFLg xTbhquYeqjM/6R42o6qHFsisa9cQ8AGhCr1nIdT6cPBA/UlmN5XoR+0EVkV/SEjWTB7/ QWXTF8Y20WXhgat1eX+7Xo0zCUFSKcWXF9FHyi9UQ3kNx3eoICS+X03LL+a8bwYYd8Hw q9Xw== X-Forwarded-Encrypted: i=1; AHgh+Rqhg/U6gb+qk8UFd3hUP7WMohL7TEaZ40PT/qd9syzyglW2pSLvGI8jbVnGhXuVt54dTBSHo4IcSY7kXyo=@vger.kernel.org X-Gm-Message-State: AOJu0Yyau+p1wBVViB4U2WXDQ4ZMamAZ/7SVzUYhEUHmCMooXM2HgG8v Xl1evyxRkxKiBo3oNxcbK15/SkLXQbqAMu805o7ZHCa3ndQf7Y06j+HLqcwj3DsFBuvw59fQfcs ELIB4bBOCnS7FksbnrKaEnanlAhM0pY3YT6/LSgWntviYmGUZoU9nBJnNPC0= Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6820:1990:b0:6ae:aa38:a0bb with SMTP id 006d021491bc7-6b0d692d722mr21841468eaf.33.1786984682847; Mon, 17 Aug 2026 09:38:02 -0700 (PDT) Date: Mon, 17 Aug 2026 09:38:02 -0700 In-Reply-To: <34e65096-8827-470c-9a88-8c643cccef22@rowland.harvard.edu> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6a8338ea.dbb3a75c.20434b.006a.GAE@google.com> Subject: Re: [syzbot] [usb?] KASAN: slab-use-after-free Read in ep_open From: syzbot To: asml.silence@gmail.com, axboe@kernel.dk, brauner@kernel.org, gregkh@linuxfoundation.org, io-uring@vger.kernel.org, jack@suse.cz, kartikey406@gmail.com, kees@kernel.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, mjguzik@gmail.com, nogikh@google.com, stern@rowland.harvard.edu, syzbot@kernel.org, syzbot@lists.linux.dev, syzkaller-bugs@googlegroups.com, syzkaller-upstream-moderation@googlegroups.com, torvalds@ppc970.osdl.org, viro@zeniv.linux.org.uk 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+df9e891bf8ea586f846b@syzkaller.appspotmail.com Tested-by: syzbot+df9e891bf8ea586f846b@syzkaller.appspotmail.com Tested on: commit: 8d3ae592 Linux 7.2 git tree: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/ v7.2 console output: https://syzkaller.appspot.com/x/log.txt?x=16a91a25580000 kernel config: https://syzkaller.appspot.com/x/.config?x=c44651ea7dd2f307 dashboard link: https://syzkaller.appspot.com/bug?extid=df9e891bf8ea586f846b 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=15790679580000 Note: testing is done by a robot and is best-effort only.