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Date: Wed, 30 Sep 2026 21:59:49 +0200
Message-Id: <DLSX1QUUMSA4.C3YJIVTOC2P7@kernel.org>
Cc: <aliceryhl@google.com>, <daniel.almeida@collabora.com>,
 <ojeda@kernel.org>, <boqun@kernel.org>, <gary@garyguo.net>,
 <bjorn3_gh@protonmail.com>, <lossin@kernel.org>, <a.hindborg@kernel.org>,
 <tmgross@umich.edu>, <tamird@kernel.org>, <acourbot@nvidia.com>,
 <work@onurozkan.dev>, <me@kloenk.dev>, <driver-core@lists.linux.dev>,
 <rust-for-linux@vger.kernel.org>, <ardalan@uci.edu>, <zhiyunq@cs.ucr.edu>,
 <dzueck@uci.edu>
To: "Priya Bala Govindasamy" <pgovind2@uci.edu>
From: "Danilo Krummrich" <dakr@kernel.org>
Subject: Re: [PATCH 1/1] rust: io: Fix `Region::drop` releasing nested
 resources from the wrong parent
References: <cover.1788901318.git.pgovind2@uci.edu>
 <a71c5593cfc66e21f24d9c07ae3469fc4f8ea501.1788901318.git.pgovind2@uci.edu>
In-Reply-To: <a71c5593cfc66e21f24d9c07ae3469fc4f8ea501.1788901318.git.pgovind2@uci.edu>

On Tue Sep 29, 2026 at 7:46 PM CEST, Priya Bala Govindasamy wrote:
> Fix this by storing a reference to the parent resource in `Region`.
> This ensures that the parent remains valid for the lifetime of the
> child region.

I Sashiko has a valid concern:

https://sashiko.dev/#/patchset/20260929174612.Jss-fw-sa4kdEy7Hk2_uC8PLsUpZ-=
K_gGWyuz4Qc6_k%40z