Re: [PATCH] binfmt_misc: pass binfmt_misc P flag to the interpreter

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Le 06/03/2020 à 09:13, Florian Weimer a écrit :
> * YunQiang Su:
> 
>> +	if (bprm->interp_flags & BINPRM_FLAGS_PRESERVE_ARGV0)
>> +		flags |= AT_FLAGS_PRESERVE_ARGV0;
>> +	NEW_AUX_ENT(AT_FLAGS, flags);
> 
> Is it necessary to reuse AT_FLAGS?  I think it's cleaner to define a
> separate AT_ tag dedicated to binfmt_misc.
> 

Not necessary, but it seemed simpler and cleaner to re-use a flag that
is marked as unused and with a name matching the new role. It avoids to
patch other packages (like glibc) to add it as it is already defined.

Thanks,
Laurent



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