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Re: unset IFS and ${v=$*} CTLNUL leakage


From: Grisha Levit
Subject: Re: unset IFS and ${v=$*} CTLNUL leakage
Date: Fri, 8 Mar 2019 18:09:50 -0500

A few more that produce \177 in the output, though I'm not sure if
these have defined output:

    $ IFS=$' \t\n'   # or any other IFS
    $ set -- ''
    $ recho ${v= "$*" }
    <$'\177'>

    $ IFS=''
    $ set -- '' ''
    $ recho ${v= "$*" }
    <$' \177 '>

And also variations like the below all have \177 as well, but these
I'm pretty sure are undefined:

set -- ''
recho ${v= $@ }
recho ${v= $@"" }

set -- '' ''
recho ${v= $@ }
recho ${v= "$@" }
recho "${v= address@hidden"
recho ${v= "$@"}



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