From: Pratyush Yadav <pratyush@kernel.org>
To: Jackie Liu <liu.yun@linux.dev>
Cc: pasha.tatashin@soleen.com, rppt@kernel.org, kexec@lists.infradead.org
Subject: Re: [PATCH 2/2] liveupdate: reject nonzero reserved value for SESSION_FINISH
Date: Wed, 15 Jul 2026 16:11:37 +0200 [thread overview]
Message-ID: <2vxzpl0oibqe.fsf@kernel.org> (raw)
In-Reply-To: <20260715060613.19272-2-liu.yun@linux.dev> (Jackie Liu's message of "Wed, 15 Jul 2026 14:06:13 +0800")
On Wed, Jul 15 2026, Jackie Liu wrote:
> From: Jackie Liu <liuyun01@kylinos.cn>
>
> The UAPI documents liveupdate_session_finish::reserved as requiring zero,
> but luo_session_finish() currently ignores it and finishes the session.
> Accepting nonzero values prevents the field from being safely repurposed
> by a future extension.
>
> Reject nonzero reserved values before changing session state, matching
> LIVEUPDATE_SESSION_GET_NAME.
>
> Fixes: 16cec0d26521 ("liveupdate: luo_session: add ioctls for file preservation")
> Assisted-by: Codex:gpt-5.6-sol
> Signed-off-by: Jackie Liu <liuyun01@kylinos.cn>
Reviewed-by: Pratyush Yadav (Google) <pratyush@kernel.org>
[...]
--
Regards,
Pratyush Yadav
next prev parent reply other threads:[~2026-07-15 14:11 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-07-15 6:06 [PATCH 1/2] liveupdate: fix GET_NAME ioctl argument validation Jackie Liu
2026-07-15 6:06 ` [PATCH 2/2] liveupdate: reject nonzero reserved value for SESSION_FINISH Jackie Liu
2026-07-15 14:11 ` Pratyush Yadav [this message]
2026-07-15 14:10 ` [PATCH 1/2] liveupdate: fix GET_NAME ioctl argument validation Pratyush Yadav
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