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From:   Miles Chen <miles.chen@mediatek.com>
To:     <jason@zx2c4.com>
CC:     <ardb@kernel.org>, <davem@davemloft.net>,
        <gregkh@linuxfoundation.org>, <herbert@gondor.apana.org.au>,
        <linux-arm-kernel@lists.infradead.org>,
        <linux-crypto@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
        <linux-mediatek@lists.infradead.org>, <matthias.bgg@gmail.com>,
        <miles.chen@mediatek.com>, <nathan@kernel.org>,
        <ndesaulniers@google.com>
Subject: Re: [PATCH] lib/crypto: blake2s: fix a CFI failure
Date:   Wed, 19 Jan 2022 18:06:15 +0800
Message-ID: <20220119100615.5059-1-miles.chen@mediatek.com>
In-Reply-To: <CAHmME9oX+4Ek81xy0nBOegqABH0xYqyONAqinsu7GZ7AaQaqYQ@mail.gmail.com>
References: <CAHmME9oX+4Ek81xy0nBOegqABH0xYqyONAqinsu7GZ7AaQaqYQ@mail.gmail.com>
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Hi,

>Hi Miles,
>
>I'm actually not able to reproduce your oops. I'm using vanilla clang
>13, cross compiling for arm64, with thin LTO enabled and CFI enabled.
>Kernel seems to run fine.
>
>
>Are there other settings that are needed to trigger this? Do you see
>it in upstream clang or just the Android fork of clang?
>
I will try another clang (the previous version I use).
I am using Android fork of clang and there is a clang upgrade in this merge.

Miles