Multibyte characters get corrupted when KEYBD trap is set

[siteshwar]

Steps to reproduce:

• Add KEYBD trap in /etc/kshrc (if it does not exist) :

# key bindings - make Delete, Home, End,... work
keybd_trap () {
  case ${.sh.edchar} in
    $'\e[1~') .sh.edchar=$'\001';; # Home = beginning-of-line
    $'\e[F')  .sh.edchar=$'\005';; # End = end-of-line
    $'\e[5~') .sh.edchar=$'\e>';; # PgUp = history-previous
    $'\e[6~') .sh.edchar=$'\e<';; # PgDn = history-next
    $'\e[3~') .sh.edchar=$'\004';; # Delete = delete-char
  esac
}
trap keybd_trap KEYBD

• Add a test user and switch to it:

useradd test -s /bin/ksh
su - test

• Type あいうえお from keyboard

Actual results:

BDFHJ is displayed.

Expected results:

あいうえお should be displayed.

There is some discussion around it in the abandoned patch #83

Related bug: https://bugzilla.redhat.com/show_bug.cgi?id=1503922

[k-takahagi]

Steps to reproduce:
rlogin localhost
Type あいうえお from keyboard
Actual results:
^A^Aいうえお is displayed.
Expected results:
あいうえお should be displayed.
Is this the same bug?

$ uname -s -v
SunOS 11.3
$

[siteshwar]

@k-takahagi Do you have KEYBD trap set ? It should not reproduce when KEYBD trap is not set.