mksh

  1. Bug #1179287
  2. Comment #1

Comment 1 for bug 1179287

Revision history for this message
Thorsten Glaser (mirabilos) wrote :

Nice DoS:

{{{
tg@blau:~ $ PS4='$(echo foo) + '
tg@blau:~ $ set -x

^C/bin/mksh: can't fork - try again
 + echo foo
foo + echo foo
[…]
}}}

Solution: disable Flag(XTRACE) while expanding PS4, hard (possibly make Flag(XTRACE) a bitfield).