From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id A3E8F3BBFAA; Thu, 18 Jun 2026 13:22:40 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1781788961; cv=none; b=B5e91608JaegZMEJamtaYkcdLkYIgEXwxaQP6ZYsdRjxkAp8dBHsjHpyuVsEARg0XxkIObC98EqyPLiwR8w27Zs2XdC9UoQAGqlJkuAW/QL4FfNlQ56TxuAEpdj+LMGdC+t4N0+vEW15bPtQvMEJSrVA3tzeu2TBiol3W78DpbE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1781788961; c=relaxed/simple; bh=NysP+TsrG+Yrp365dboWfUyVESBqOp4Tu9pUXIzMkcQ=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=Y5tvAnm30Gqt0nZpuAWQ/LHklQLg4QSMhgmPrrIHjQe20Cuq3mwM5dt5VZGiPNCUNt7lVaQUIjI86qGxwIUiXguvqlKSNr5f45GndUtF3HijkBSFWLUaW/QTCTWaCm5hpWt8rwBWYdRFrGc/ImaYtEVJtwJZXUewTzxNTgk0/bM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=XYD6SJee; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="XYD6SJee" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 55EB81F000E9; Thu, 18 Jun 2026 13:22:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1781788960; bh=lV8i9wXYLtkKmB6SEFvhX1sabI/eumkfBUdQpHCA4IE=; h=Date:From:To:Cc:Subject:References:In-Reply-To; b=XYD6SJeelUW2NZC203jLPs96X1YbiBk3X3dvRCtd883lRQ60L/mOacl0lsy4820rX pZR+G7rOc5VwKDQVo147Uc0PEkN4IofsXDsaA+HODMPgeKOVEycs85RD9/gQU0utH1 wbmhsU/0+1nqCY+BVj5KWiKu99GBjIvsGMcaYnrHNILQOoNjEz7IhX0bqWL3G6OobP PmfpIchh55eo8CjaQaGfRrbFB6ktTJDq7QgM73WuDa0KLYm3A62VM8zeJs7EO1ruBn uyU2mbaglx+aKjUsCf6bKlyrSW+gKe8rrELGalwlLDiiq2LOeTAmLIL4tsacKT6H9N RRPEUuKNkVPGA== Received: from johan by xi.lan with local (Exim 4.99.3) (envelope-from ) id 1waCha-00000001EEQ-1Crd; Thu, 18 Jun 2026 15:22:38 +0200 Date: Thu, 18 Jun 2026 15:22:38 +0200 From: Johan Hovold To: Greg Kroah-Hartman Cc: Joseph Bursey , linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org, syzbot+ad2aac2febc3bedf0962@syzkaller.appspotmail.com, stable@vger.kernel.org Subject: Re: [PATCH] USB: iowarrior: fix use-after-free on disconnect Message-ID: References: <20260523170523.1074563-1-johan@kernel.org> <2026052449-sappy-everglade-4e43@gregkh> Precedence: bulk X-Mailing-List: linux-usb@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <2026052449-sappy-everglade-4e43@gregkh> On Sun, May 24, 2026 at 08:09:00AM +0200, Greg Kroah-Hartman wrote: > On Sat, May 23, 2026 at 07:05:23PM +0200, Johan Hovold wrote: > > Submitted write URBs are not stopped on close() and therefore need to be > > stopped unconditionally on disconnect() to avoid use-after-free in the > > completion handler. > > > > Fixes: b5f8d46867ca ("USB: iowarrior: fix use-after-free after driver unbind") > > Fixes: 946b960d13c1 ("USB: add driver for iowarrior devices.") > > Reported-by: syzbot+ad2aac2febc3bedf0962@syzkaller.appspotmail.com > > Link: https://lore.kernel.org/all/6a0ce39b.170a0220.39a13.0007.GAE@google.com/ > > Cc: stable@vger.kernel.org > > Signed-off-by: Johan Hovold > > --- > > Reviewed-by: Greg Kroah-Hartman Someone else just sent a fix for this so sending a reminder about this one in case there was some confusion about who was going to pick it up. Can be queued after rc1 is out too of course. Johan