From: Kalle Valo <kvalo@codeaurora.org>
To: Tamizh Chelvam <tamizhr@codeaurora.org>
Cc: linux-wireless@vger.kernel.org, ath11k@lists.infradead.org
Subject: Re: [PATCH] ath11k: fix kernel panic by freeing the msdu received with invalid length
Date: Wed, 6 May 2020 06:16:28 +0000 (UTC) [thread overview]
Message-ID: <20200506061628.C8E30C433D2@smtp.codeaurora.org> (raw)
In-Reply-To: <1588611568-20791-1-git-send-email-tamizhr@codeaurora.org>
Tamizh Chelvam <tamizhr@codeaurora.org> wrote:
> In certain scenario host receives the packets with invalid length
> which causes below kernel panic. Free up those msdus to avoid
> this kernel panic.
>
> 2270.028121: <6> task: ffffffc0008306d0 ti: ffffffc0008306d0 task.ti: ffffffc0008306d0
> 2270.035247: <2> PC is at skb_panic+0x40/0x44
> 2270.042784: <2> LR is at skb_panic+0x40/0x44
> 2270.521775: <2> [<ffffffc0004a06e0>] skb_panic+0x40/0x44
> 2270.524039: <2> [<ffffffc0004a1278>] skb_put+0x54/0x5c
> 2270.529264: <2> [<ffffffbffcc373a8>] ath11k_dp_process_rx_err+0x320/0x5b0 [ath11k]
> 2270.533860: <2> [<ffffffbffcc30b68>] ath11k_dp_service_srng+0x80/0x268 [ath11k]
> 2270.541063: <2> [<ffffffbffcc1d554>] ath11k_hal_rx_reo_ent_buf_paddr_get+0x200/0xb64 [ath11k]
> 2270.547917: <2> [<ffffffc0004b1f74>] net_rx_action+0xf8/0x274
> 2270.556247: <2> [<ffffffc000099df4>] __do_softirq+0x128/0x228
> 2270.561625: <2> [<ffffffc00009a130>] irq_exit+0x84/0xcc
> 2270.567008: <2> [<ffffffc0000cfb28>] __handle_domain_irq+0x8c/0xb0
> 2270.571695: <2> [<ffffffc000082484>] gic_handle_irq+0x6c/0xbc
>
> Signed-off-by: Tamizh Chelvam <tamizhr@codeaurora.org>
> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Patch applied to ath-next branch of ath.git, thanks.
d7d43782d541 ath11k: fix kernel panic by freeing the msdu received with invalid length
--
https://patchwork.kernel.org/patch/11526757/
https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches
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next prev parent reply other threads:[~2020-05-06 6:16 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-04 16:59 [PATCH] ath11k: fix kernel panic by freeing the msdu received with invalid length Tamizh Chelvam
2020-05-04 16:59 ` Tamizh Chelvam
2020-05-06 6:16 ` Kalle Valo
2020-05-06 6:16 ` Kalle Valo [this message]
-- strict thread matches above, loose matches on Subject: below --
2019-11-06 7:14 Tamizh chelvam
2019-11-22 10:34 ` Kalle Valo
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