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Date:   Mon, 10 Oct 2022 19:52:09 +0200
From:   "Arnd Bergmann" <>
To:     "Kalle Valo" <>,
        "Naresh Kamboju" <>
Cc:     Netdev <>,
        "open list" <>,,
        "David S . Miller" <>,
        "Eric Dumazet" <>,
        "Jakub Kicinski" <>,
        "Paolo Abeni" <>,,,
Subject: Re: drivers/net/wireless/ath/ath11k/mac.c:2238:29: warning:
 'ath11k_peer_assoc_h_he_limit' reading 16 bytes from a region of size 0

On Mon, Oct 10, 2022, at 6:54 PM, Kalle Valo wrote:
> Naresh Kamboju <> writes:

>> Build log:
> Thanks, I was able to reproduce it now and submitted a patch:
> But it's strange that nobody else (myself included) didn't see this
> earlier. Nor later for that matter, this is the only report I got about
> this. Arnd, any ideas what could cause this only to happen on GCC 11?
> -- 

No idea here, though I have not tried to reproduce it. This looks
like a false positive to me, which might be the result of some
missed optimization in the compiler when building with certain
options. I see in the .config that KASAN is enabled, and this sometimes
causes odd behavior like this. If it does not happen without KASAN,
maybe report it as a bug against the compiler.


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