From: Kalle Valo <kvalo@codeaurora.org>
To: Carl Huang <cjhuang@codeaurora.org>
Cc: ath11k@lists.infradead.org, linux-wireless@vger.kernel.org
Subject: Re: [PATCH] ath11k: fix crash caused by NULL rx_channel
Date: Thu, 17 Dec 2020 06:46:34 +0000 (UTC) [thread overview]
Message-ID: <20201217064634.9A5B9C433ED@smtp.codeaurora.org> (raw)
In-Reply-To: <20201211055613.9310-1-cjhuang@codeaurora.org>
Carl Huang <cjhuang@codeaurora.org> wrote:
> During connect and disconnect stress test, crashed happened
> because ar->rx_channel is NULL. Fix it by checking whether
> ar->rx_channel is NULL.
>
> Crash stack is as below:
> RIP: 0010:ath11k_dp_rx_h_ppdu+0x110/0x230 [ath11k]
> [ 5028.808963] ath11k_dp_rx_wbm_err+0x14a/0x360 [ath11k]
> [ 5028.808970] ath11k_dp_rx_process_wbm_err+0x41c/0x520 [ath11k]
> [ 5028.808978] ath11k_dp_service_srng+0x25e/0x2d0 [ath11k]
> [ 5028.808982] ath11k_pci_ext_grp_napi_poll+0x23/0x80 [ath11k_pci]
> [ 5028.808986] net_rx_action+0x27e/0x400
> [ 5028.808990] __do_softirq+0xfd/0x2bb
> [ 5028.808993] irq_exit+0xa6/0xb0
> [ 5028.808995] do_IRQ+0x56/0xe0
> [ 5028.808997] common_interrupt+0xf/0xf
>
> Tested-on: QCA6390 hw2.0 PCI WLAN.HST.1.0.1-01740-QCAHSTSWPLZ_V2_TO_X86-1
>
> Signed-off-by: Carl Huang <cjhuang@codeaurora.org>
> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Patch applied to ath-current branch of ath.git, thanks.
3597010630d0 ath11k: fix crash caused by NULL rx_channel
--
https://patchwork.kernel.org/project/linux-wireless/patch/20201211055613.9310-1-cjhuang@codeaurora.org/
https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches
next prev parent reply other threads:[~2020-12-17 6:47 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-12-11 5:56 [PATCH] ath11k: fix crash caused by NULL rx_channel Carl Huang
2020-12-11 5:56 ` Carl Huang
2020-12-17 6:46 ` Kalle Valo [this message]
2020-12-17 6:46 ` Kalle Valo
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