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Re: mwifiex: exit on error - without calling rcu_read_unlock()

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Kalle Valo <kvalo@xxxxxxxxxxxxxx> writes:

> Antti Antinoja <antti@xxxxxxxxxxx> writes:
>
>> Please refer to:
>>
>> * https://grsecurity.net/the_life_of_a_bad_security_fix
>> *
>> https://github.com/torvalds/linux/commit/3d94a4a8373bf5f45cf5f939e88b8354dbf2311b#diff-c5e2f17b92b8e8f30306c5dd148d874f
>>
>> At quick glance it looks to me like the issue really is there: Not
>> calling rcu_read_unlock() before return on line 237.
>
> Ganapahti, can you send a fix this for this?
>
> Remember to add to the commit log:
>
> Fixes: 3d94a4a8373b ("mwifiex: fix possible heap overflow in mwifiex_process_country_ie()")

Oh, there was already a fix available:

https://patchwork.kernel.org/patch/11320227/

It just got piled up with all the patches.

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



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