From: Bjorn Andersson <andersson@kernel.org>
To: Konrad Dybcio <konradybcio@kernel.org>,
Neil Armstrong <neil.armstrong@linaro.org>,
Abel Vesa <abel.vesa@oss.qualcomm.com>
Cc: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>,
linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org,
stable@vger.kernel.org, Sashiko <sashiko-bot@kernel.org>
Subject: Re: [PATCH] soc: qcom: pmic_glink_altmode: Fix use-after-free of work items on unbind
Date: Sun, 8 Nov 2026 14:19:10 -0600 [thread overview]
Message-ID: <179416929536.628393.16734740753688451624.b4-ty@b4> (raw)
In-Reply-To: <20261102-pmic-glink-altmode-teardown-uaf-v1-1-377d92e3b5e2@oss.qualcomm.com>
On Mon, 02 Nov 2026 13:07:19 +0200, Abel Vesa wrote:
> The altmode context, including the enable_work and the per-port work
> items, is devm-allocated, but nothing cancels the work items on unbind.
> A PDR or GLINK notification can queue them on the system workqueues, so
> if the device gets unbound while one is pending or running, devres frees
> the context, the typec handles and the pmic_glink client under it, and
> the worker then dereferences freed memory.
>
> [...]
Applied, thanks!
[1/1] soc: qcom: pmic_glink_altmode: Fix use-after-free of work items on unbind
commit: dc95951a6ceb6982eb357bac6a503aacf1e7d105
Best regards,
--
Bjorn Andersson <andersson@kernel.org>
prev parent reply other threads:[~2026-11-08 20:21 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-11-02 11:07 Abel Vesa
2026-11-02 11:15 ` Konrad Dybcio
2026-11-08 20:19 ` Bjorn Andersson [this message]
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