Re: Linux reports memfd_create() being called without MFD_EXEC or MFD_NOEXEC_SEAL set

[Chet Ramey]

On 4/27/24 8:09 AM, Andreas Schwab wrote:

On Apr 27 2024, Kerin Millar wrote:

At some point after upgrading to bash-5.3-alpha, the following message appeared 
in my kernel ring buffer.

[700406.870502] bash[3089019]: memfd_create() called without MFD_EXEC or 
MFD_NOEXEC_SEAL set

This warning has been tuned down in later kernels, but nevertheless,
bash should pass MFD_NOEXEC_SEAL (if defined) when it calls
memfd_create.

OK, I'll bite. What does that buy me?

--
``The lyf so short, the craft so long to lerne.'' - Chaucer
                 ``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, UTech, CWRU    c...@case.edu    http://tiswww.cwru.edu/~chet/

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