linux-kernel - BUG: lkdtm stack-entropy.sh test hangs

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Message-ID: <2836f48a-d4e2-7f00-f06c-9f556fbd6332@linuxfoundation.org>
Date:   Mon, 12 Jul 2021 12:31:34 -0600
From:   Shuah Khan <skhan@...uxfoundation.org>
To:     Kees Cook <keescook@...omium.org>
Cc:     linux-kselftest@...r.kernel.org, linux-kernel@...r.kernel.org,
        Shuah Khan <skhan@...uxfoundation.org>
Subject: BUG: lkdtm stack-entropy.sh test hangs

Hi Kees,

lkdtm stack-entropy.sh test hangs on Linux 5,14-rc1 - I tried
root and non-root cases. Both hang.
  
# selftests: lkdtm: stack-entropy.sh
# ./stack-entropy.sh: 13: cannot create /sys/kernel/debug/provoke-crash/DIRECT: Permission denied

If you have a fix for this, I would like to get this in soon.

thanks,
-- Shuah