[PATCH] ath11k: Use host CE parameters for CE interrupts configuration

Kalle Valo kvalo at codeaurora.org
Fri Nov 26 02:19:04 PST 2021


Anilkumar Kolli <akolli at codeaurora.org> wrote:

> CE interrupt configuration uses host ce parameters to assign/free
> interrupts. Use host ce parameters to enable/disable interrupts.
> This patch fixes below BUG,
> 
> BUG: KASAN: global-out-of-bounds in 0xffffffbffdfb035c at addr
> ffffffbffde6eeac
>  Read of size 4 by task kworker/u8:2/132
>  Address belongs to variable ath11k_core_qmi_firmware_ready+0x1b0/0x5bc [ath11k]
> 
> OOB is due to ath11k_ahb_ce_irqs_enable() iterates ce_count(which is 12)
> times and accessing 12th element in target_ce_config
> (which has only 11 elements) from ath11k_ahb_ce_irq_enable().
> 
> With this change host ce configs are used to enable/disable interrupts.
> 
> Tested-on: IPQ8074 hw2.0 AHB WLAN.HK.2.5.0.1-00471-QCAHKSWPL_SILICONZ-1
> 
> Fixes: 967c1d1131fa ("ath11k: move target ce configs to hw_params")
> Signed-off-by: Anilkumar Kolli <akolli at codeaurora.org>
> Signed-off-by: Kalle Valo <kvalo at codeaurora.org>

Patch applied to ath-next branch of ath.git, thanks.

b689f091aafd ath11k: Use host CE parameters for CE interrupts configuration

-- 
https://patchwork.kernel.org/project/linux-wireless/patch/1637249558-12793-1-git-send-email-akolli@codeaurora.org/

https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches




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