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 D78E23D565F 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=1786984685; cv=none; b=gytsH/Ceq7KbCrmmK+5n5DjPgWpJkMU2Y0TUU0MrUJ7yitLMKTfgQnrZKI1G8nELRrSPM4HnKCO8kCE40IJiuF6HQIBGygWAOqfKZDVSptfdSlySxu5ssw+hZMHFJZ1Qc+gsFbphqb4d7ygyaceQcqAf+ahPmH/dqlqeWwih9hI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786984685; c=relaxed/simple; bh=O5tWgxmwgMrUnydp1q9GOvUzClrE/Mq92ksXIVL8dHY=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=arSt5ZaFS7BA+I7983Qtr3pxtKZjSK+hLMiXVzpiF6gdLw84PxRACQyTYV9RaRsEn9kPNW/HIJbWZ86fgo6h+++hvvdF8gqV4r5bOyQYAsWklwXIPjSjI1Q8dXrEWzfH2e28iYsd6U0YNMZBO2FOg4wnOG6ducYbx5j5/nvmyQs= 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 5614622812f47-4b28d8d1b76so535996b6e.3 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=DeTacR5WvDu2NdQyZqiuhwYngIWmrdTXRZx3DfkE3p6INIu0tGnK+ZLoC7/b0IWvw6 Yz8AwLYTs3ZbXQUzyc9JPE/Lx0pneGrhyrerkYcE3AXHegHvwYIiT6mlCLJ+PO1bsRy9 Oj7chyNMGjIk+gr01UA6VNXm+ldNPSQzgitEU8J10D2q/yND+IgS3znQEGDlvoGC/Wgl pgZJ2uK1afshl+vawXiD8HDGmyc0FNftKMT7Q5qu6yMoK2InVglb6QiQWNLH+B4F09aO 8gSQegJ1TCLMUy1YTewlGk/NpErpLSrvmv6JJ575LWrcnbb6OtBCfReWgDO5ceTDy7ls c4Kw== X-Forwarded-Encrypted: i=1; AHgh+RrbsvFvGyRmOPFQolfx/xNfxoJJZFdJQqd4AoaeGIpnS7qgJ63VJaouleeS3qCGv74dhQBfoEfRGw==@vger.kernel.org X-Gm-Message-State: AOJu0YxEDrtzNVxKoJFzoWNnERONQTNC5ZPp31KCgM+yT0MEn765kXSG ixRbAzyv0m+g2irUDn4quvg8qmWNXztDO2pA4v/6Svrc2q0JYmbGSvpNN6bV9PLgnFRVGHlVmO9 xVRHaEN2dztBGCeDvccVMxzf09yI5TZpW2fwtAhKrnSgWXn7X0HC71HutLU8= Precedence: bulk X-Mailing-List: io-uring@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6820:1990: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.