linux-kernel - Re: [PATCH net] virtio/vsock: Fix uninit-value in virtio_transport_recv

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20231101222045.5f7cca01@kernel.org>
Date:   Wed, 1 Nov 2023 22:20:45 -0700
From:   Jakub Kicinski <kuba@...nel.org>
To:     Shigeru Yoshida <syoshida@...hat.com>
Cc:     stefanha@...hat.com, sgarzare@...hat.com, davem@...emloft.net,
        edumazet@...gle.com, pabeni@...hat.com, kvm@...r.kernel.org,
        virtualization@...ts.linux-foundation.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH net] virtio/vsock: Fix uninit-value in
 virtio_transport_recv_pkt()

On Fri, 27 Oct 2023 00:01:54 +0900 Shigeru Yoshida wrote:
> This issue occurs because the `buf_alloc` and `fwd_cnt` fields of the
> `struct virtio_vsock_hdr` are not initialized when a new skb is allocated
> in `virtio_transport_alloc_skb()`. This patch resolves the issue by
> initializing these fields during allocation.

We didn't manage to apply this before the merge window, and now the
trees have converged. Patch no longer applies cleanly to net.
Please rebase & repost.
-- 
pw-bot: cr