Yes, certainly. I've also minimized the .bashrc and .bash_profile in here to what will also reproduce. Running "foo" here will peg my CPU down.
zrak:~ synthmeat$ alias; declare -f alias foo=' echo "bar" ' shell_session_delete_expired () { if ( [ ! -e "$SHELL_SESSION_TIMESTAMP_FILE" ] || [ -z "$(/usr/bin/find "$SHELL_SESSION_TIMESTAMP_FILE" -mtime -1d)" ] ); then local expiration_lock_file="$SHELL_SESSION_DIR/_expiration_lockfile"; if /usr/bin/shlock -f "$expiration_lock_file" -p $$; then echo -n 'Deleting expired sessions...'; local delete_count=$(/usr/bin/find "$SHELL_SESSION_DIR" -type f -mtime +2w -print -delete | /usr/bin/wc -l); [ "$delete_count" -gt 0 ] && echo $delete_count' completed.' || echo 'none found.'; ( umask 077; /usr/bin/touch "$SHELL_SESSION_TIMESTAMP_FILE" ); /bin/rm "$expiration_lock_file"; fi; fi } shell_session_history_allowed () { if [ -n "$HISTFILE" ]; then local allowed=0; if shopt -q histappend || [ -n "$HISTTIMEFORMAT" ]; then allowed=${SHELL_SESSION_HISTORY:-0}; else allowed=${SHELL_SESSION_HISTORY:=1}; fi; if [ $allowed -eq 1 ]; then return 0; fi; fi; return 1 } shell_session_history_check () { if [ ${SHELL_SESSION_DID_HISTORY_CHECK:-0} -eq 0 ]; then SHELL_SESSION_DID_HISTORY_CHECK=1; if shell_session_history_allowed; then shell_session_history_enable; fi; if [ "$PROMPT_COMMAND" = "shell_session_history_check" ]; then unset PROMPT_COMMAND; else if [[ $PROMPT_COMMAND =~ (.*)(; *shell_session_history_check *| *shell_session_history_check *; *)(.*) ]]; then PROMPT_COMMAND="${BASH_REMATCH[1]}${BASH_REMATCH[3]}"; fi; fi; fi } shell_session_history_enable () { ( umask 077; /usr/bin/touch "$SHELL_SESSION_HISTFILE_NEW" ); HISTFILE="$SHELL_SESSION_HISTFILE_NEW"; SHELL_SESSION_HISTORY=1 } shell_session_save () { if [ -n "$SHELL_SESSION_FILE" ]; then echo -n 'Saving session...'; ( umask 077; echo 'echo Restored session: "$(/bin/date -r '$(/bin/date +%s)')"' >| "$SHELL_SESSION_FILE" ); declare -F shell_session_save_user_state > /dev/null && shell_session_save_user_state; shell_session_history_allowed && shell_session_save_history; echo 'completed.'; fi } shell_session_save_history () { shell_session_history_enable; history -a; if [ -f "$SHELL_SESSION_HISTFILE_SHARED" ] && [ ! -s "$SHELL_SESSION_HISTFILE" ]; then echo -ne '\n...copying shared history...'; ( umask 077; /bin/cp "$SHELL_SESSION_HISTFILE_SHARED" "$SHELL_SESSION_HISTFILE" ); fi; echo -ne '\n...saving history...'; ( umask 077; /bin/cat "$SHELL_SESSION_HISTFILE_NEW" >> "$SHELL_SESSION_HISTFILE_SHARED" ); ( umask 077; /bin/cat "$SHELL_SESSION_HISTFILE_NEW" >> "$SHELL_SESSION_HISTFILE" ); : >| "$SHELL_SESSION_HISTFILE_NEW"; if [ -n "$HISTFILESIZE" ]; then echo -n 'truncating history files...'; HISTFILE="$SHELL_SESSION_HISTFILE_SHARED"; HISTFILESIZE="$HISTFILESIZE"; HISTFILE="$SHELL_SESSION_HISTFILE"; HISTFILESIZE="$size"; HISTFILE="$SHELL_SESSION_HISTFILE_NEW"; fi; echo -ne '\n...' } shell_session_update () { shell_session_save && shell_session_delete_expired } update_terminal_cwd () { local url_path=''; { local i ch hexch LC_CTYPE=C LC_ALL=; for ((i = 0; i < ${#PWD}; ++i)) do ch="${PWD:i:1}"; if [[ "$ch" =~ [/._~A-Za-z0-9-] ]]; then url_path+="$ch"; else printf -v hexch "%02X" "'$ch"; url_path+="%${hexch: -2:2}"; fi; done }; printf '\e]7;%s\a' "file://$HOSTNAME$url_path" } zrak:~ synthmeat$ bash --version GNU bash, version 5.0.0(1)-release (x86_64-apple-darwin18.2.0) Copyright (C) 2019 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html> This is free software; you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. zrak:~ synthmeat$ cat .bashrc #!/usr/bin/env bash alias foo="\ echo \"bar\" \ " zrak:~ synthmeat$ cat .bash_profile #!/usr/bin/env bash if [ -n "$BASH_VERSION" ]; then if [ -f "$HOME/.bashrc" ]; then . "$HOME/.bashrc" fi fi > On Jan 9, 2019, at 18:21, Eduardo Bustamante <dual...@gmail.com> wrote: > > On Wed, Jan 9, 2019 at 4:59 AM Ante Perić <synthm...@gmail.com> wrote: > (...) >> Description: >> Having an alias of type: >> alias bug="\ >> echo \"no output, 100% cpu\" \ >> " >> in .bashrc will give no output, will not complete, and it will peg the CPU >> to 100%. > > Can you share the output of (right after the interactive bash session > starts up): > > alias; declare -f