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Date:   Mon, 10 Oct 2022 23:17:58 -0700
From:   Kees Cook <>
To:     kernel test robot <>
        "Gustavo A. R. Silva" <>,
        Hawkins Jiawei <>,
        Johannes Berg <>,
Subject: Re: [fortify] 54d9469bc5:

On Tue, Oct 11, 2022 at 11:46:21AM +0800, kernel test robot wrote:
> commit: 54d9469bc515dc5fcbc20eecbe19cea868b70d68 ("fortify: Add run-time WARN for cross-field memcpy()")
> master
> [...]
> caused below changes (please refer to attached dmesg/kmsg for entire log/backtrace):
> [...]
> [   95.913726][   T36] memcpy: detected field-spanning write (size 16) of single field "&compat_event->pointer" at net/wireless/wext-core.c:623 (size 4)

This was fixed with:
e3e6e1d16a4c ("wifi: wext: use flex array destination for memcpy()")

I expect this will land before -rc1 closes, but Johannes will know more
about the schedule.

Kees Cook

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