Hi,
we've found a bug in ksh that causes unexpected text appearing in the output.
When there's buffered output, buffer is not purged after sigpipe which causes
output to be prepended to next output.
Reproducer:
create ~/ksh/repro.sh file with content:
#!/bin/ksh
killparent()
{
sleep 1
/bin/kill -9 $1
}
trap "/bin/echo trap > /dev/null" 13
rm -f ~/ksh/echo2
killparent ${PPID} &
/usr/bin/yes
echo "echo1"
/bin/echo "echo2" > ~/ksh/echo2
trap 13
---------------------------
and execute it via ssh:
ssh localhost ~/ksh/repro.ksh >/dev/null
you'll find ~/ksh/echo2 with content:
echo1
echo2
which is wrong, there should be only "echo2". Problem exists in both latest
stable ksh93t+ (2010-06-21) and ksh93u- beta (2010-07-01).
Regards,
Michal Hlavinka
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