From: Kalle Valo <kvalo@kernel.org>
To: Manivannan Sadhasivam <mani@kernel.org>
Cc: Qiang Yu <quic_qianyu@quicinc.com>,
quic_hemantk@quicinc.com, loic.poulain@linaro.org,
quic_jhugo@quicinc.com, mhi@lists.linux.dev,
linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org,
quic_cang@quicinc.com, ath11k@lists.infradead.org
Subject: Re: [PATCH v3 1/1] bus: mhi: host: Fix up null pointer access in mhi_irq_handler
Date: Mon, 29 Aug 2022 19:20:10 +0300 [thread overview]
Message-ID: <87h71vc98l.fsf@kernel.org> (raw)
In-Reply-To: <20220729142221.GA9937@thinkpad> (Manivannan Sadhasivam's message of "Fri, 29 Jul 2022 19:52:21 +0530")
Manivannan Sadhasivam <mani@kernel.org> writes:
> On Tue, Jul 26, 2022 at 08:53:58PM +0300, Kalle Valo wrote:
>> Manivannan Sadhasivam <mani@kernel.org> writes:
>>
>> > +ath11k, Kalle
>> >
>> > On Fri, Jul 22, 2022 at 11:17:18AM +0800, Qiang Yu wrote:
>> >> The irq handler for a shared IRQ ought to be prepared for running
>> >> even now it's being freed. So let's check the pointer used by
>> >> mhi_irq_handler to avoid null pointer access since it is probably
>> >> released before freeing IRQ.
>> >>
>> >> Signed-off-by: Qiang Yu <quic_qianyu@quicinc.com>
>> >
>> > Reviewed-by: Manivannan Sadhasivam <mani@kernel.org>
>>
>> This fixes the crash and my regression tests pass now, thanks. But
>> please see my question below.
>>
>> Tested-by: Kalle Valo <kvalo@kernel.org>
>>
>
> Thanks Kalle!
I just tested v6.0-rc3 and it's still crashing. What's the plan to get
this fix to Linus?
--
https://patchwork.kernel.org/project/linux-wireless/list/
https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches
next prev parent reply other threads:[~2022-08-29 16:20 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-07-22 3:17 [PATCH v3 1/1] bus: mhi: host: Fix up null pointer access in mhi_irq_handler Qiang Yu
2022-07-26 8:05 ` Manivannan Sadhasivam
2022-07-26 8:06 ` Manivannan Sadhasivam
2022-07-26 17:53 ` Kalle Valo
2022-07-29 14:22 ` Manivannan Sadhasivam
2022-08-29 16:20 ` Kalle Valo [this message]
2022-08-29 17:26 ` Manivannan Sadhasivam
2022-08-30 5:25 ` Kalle Valo
2022-07-29 14:26 ` Manivannan Sadhasivam
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