On Friday, 11 March 2022 03:04:47 GMT Nikos Chantziaras wrote:
> On 10/03/2022 20:44, Michael wrote:
> > ~ # sysctl -a | grep fs.protected_regular
> > fs.protected_regular = 1
> 
> To check the current value of a setting, you can just run:
> 
>    sysctl fs.protected_regular
> 
> No grep or root needed.

~ $ sysctl fs.protected_regular
sysctl: permission denied on key 'fs.protected_regular'

You're right about grep, but not about root.  Anyway, I can confirm on kernel 
5.15.23 fs.protected_regular is set to 0, while on 5.15.26 is it flipped to 1.

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