If that is part of code's environment, whatever it calls will leak that env into the callee...
sergiusens@umbar:~$ snap run --shell code
sergiusens@umbar:~$ cd $SNAP
sergiusens@umbar:/snap/code/25$ cat electron-launch
#!/usr/bin/env bash
# On Fedora $SNAP is under /var and there is some magic to map it to /snap.
# We need to handle that case and reset $SNAP
SNAP=$(echo $SNAP | sed -e "s|/var/lib/snapd||g")
if [ "$SNAP_ARCH" == "amd64" ]; then
ARCH="x86_64-linux-gnu"
elif [ "$SNAP_ARCH" == "armhf" ]; then
ARCH="arm-linux-gnueabihf"
elif [ "$SNAP_ARCH" == "arm64" ]; then
ARCH="aarch64-linux-gnu"
else
ARCH="$SNAP_ARCH-linux-gnu"
fi
export XDG_CACHE_HOME=$SNAP_USER_COMMON/.cache
if [[ -d $SNAP_USER_DATA/.cache && ! -e $XDG_CACHE_HOME ]]; then
# the .cache directory used to be stored under $SNAP_USER_DATA, migrate it
mv $SNAP_USER_DATA/.cache $SNAP_USER_COMMON/
fi
mkdir -p $XDG_CACHE_HOME
# Gdk-pixbuf loaders
export GDK_PIXBUF_MODULE_FILE=$XDG_CACHE_HOME/gdk-pixbuf-loaders.cache
export GDK_PIXBUF_MODULEDIR=$SNAP/usr/lib/$ARCH/gdk-pixbuf-2.0/2.10.0/loaders
if [ -f $SNAP/usr/lib/$ARCH/gdk-pixbuf-2.0/gdk-pixbuf-query-loaders ]; then
$SNAP/usr/lib/$ARCH/gdk-pixbuf-2.0/gdk-pixbuf-query-loaders > $GDK_PIXBUF_MODULE_FILE
fi
# Create $XDG_RUNTIME_DIR if not exists (to be removed when https://pad.lv/1656340 is fixed)
[ -n "$XDG_RUNTIME_DIR" ] && mkdir -p $XDG_RUNTIME_DIR -m 700
exec "$@"
sergiusens@umbar:/snap/code/25$ if [ "$SNAP_ARCH" == "amd64" ]; then
> ARCH="x86_64-linux-gnu"
> elif [ "$SNAP_ARCH" == "armhf" ]; then
> ARCH="arm-linux-gnueabihf"
> elif [ "$SNAP_ARCH" == "arm64" ]; then
> ARCH="aarch64-linux-gnu"
> else
> ARCH="$SNAP_ARCH-linux-gnu"
> fi
sergiusens@umbar:/snap/code/25$
sergiusens@umbar:/snap/code/25$ export XDG_CACHE_HOME=$SNAP_USER_COMMON/.cache
sergiusens@umbar:/snap/code/25$ if [[ -d $SNAP_USER_DATA/.cache && ! -e $XDG_CACHE_HOME ]]; then
> # the .cache directory used to be stored under $SNAP_USER_DATA, migrate it
> mv $SNAP_USER_DATA/.cache $SNAP_USER_COMMON/
> fi
sergiusens@umbar:/snap/code/25$ mkdir -p $XDG_CACHE_HOME
sergiusens@umbar:/snap/code/25$
sergiusens@umbar:/snap/code/25$ # Gdk-pixbuf loaders
sergiusens@umbar:/snap/code/25$ export GDK_PIXBUF_MODULE_FILE=$XDG_CACHE_HOME/gdk-pixbuf-loaders.cache
sergiusens@umbar:/snap/code/25$ export GDK_PIXBUF_MODULEDIR=$SNAP/usr/lib/$ARCH/gdk-pixbuf-2.0/2.10.0/loaders
sergiusens@umbar:/snap/code/25$ if [ -f $SNAP/usr/lib/$ARCH/gdk-pixbuf-2.0/gdk-pixbuf-query-loaders ]; then
> $SNAP/usr/lib/$ARCH/gdk-pixbuf-2.0/gdk-pixbuf-query-loaders > $GDK_PIXBUF_MODULE_FILE
> fi
sergiusens@umbar:/snap/code/25$ firefox
ExceptionHandler::GenerateDump cloned child 570327
ExceptionHandler::SendContinueSignalToChild sent continue signal to child
ExceptionHandler::WaitForContinueSignal waiting for continue signal...
sergiusens@umbar:/snap/code/25$ unset GDK_PIXBUF_MODULE_FILE
sergiusens@umbar:/snap/code/25$ unset GDK_PIXBUF_MODULEDIR
sergiusens@umbar:/snap/code/25$ firefox
If I were a betting person, I would put my stakes on gdk-pixbuf (https:/ /github. com/snapcrafter s/vscode/ blob/master/ files/bin/ wrapper# L36)
If that is part of code's environment, whatever it calls will leak that env into the callee...
sergiusens@umbar:~$ snap run --shell code umbar:/ snap/code/ 25$ cat electron-launch
sergiusens@umbar:~$ cd $SNAP
sergiusens@
#!/usr/bin/env bash
# On Fedora $SNAP is under /var and there is some magic to map it to /snap. lib/snapd| |g")
# We need to handle that case and reset $SNAP
SNAP=$(echo $SNAP | sed -e "s|/var/
if [ "$SNAP_ARCH" == "amd64" ]; then "x86_64- linux-gnu" "arm-linux- gnueabihf" "aarch64- linux-gnu" "$SNAP_ ARCH-linux- gnu"
ARCH=
elif [ "$SNAP_ARCH" == "armhf" ]; then
ARCH=
elif [ "$SNAP_ARCH" == "arm64" ]; then
ARCH=
else
ARCH=
fi
export XDG_CACHE_ HOME=$SNAP_ USER_COMMON/ .cache DATA/.cache && ! -e $XDG_CACHE_HOME ]]; then DATA/.cache $SNAP_USER_COMMON/
if [[ -d $SNAP_USER_
# the .cache directory used to be stored under $SNAP_USER_DATA, migrate it
mv $SNAP_USER_
fi
mkdir -p $XDG_CACHE_HOME
# Gdk-pixbuf loaders MODULE_ FILE=$XDG_ CACHE_HOME/ gdk-pixbuf- loaders. cache MODULEDIR= $SNAP/usr/ lib/$ARCH/ gdk-pixbuf- 2.0/2.10. 0/loaders lib/$ARCH/ gdk-pixbuf- 2.0/gdk- pixbuf- query-loaders ]; then usr/lib/ $ARCH/gdk- pixbuf- 2.0/gdk- pixbuf- query-loaders > $GDK_PIXBUF_ MODULE_ FILE
export GDK_PIXBUF_
export GDK_PIXBUF_
if [ -f $SNAP/usr/
$SNAP/
fi
# Create $XDG_RUNTIME_DIR if not exists (to be removed when https:/ /pad.lv/ 1656340 is fixed)
[ -n "$XDG_RUNTIME_DIR" ] && mkdir -p $XDG_RUNTIME_DIR -m 700
exec "$@" umbar:/ snap/code/ 25$ if [ "$SNAP_ARCH" == "amd64" ]; then 64-linux- gnu" linux-gnueabihf " linux-gnu" SNAP_ARCH- linux-gnu" umbar:/ snap/code/ 25$ umbar:/ snap/code/ 25$ export XDG_CACHE_ HOME=$SNAP_ USER_COMMON/ .cache umbar:/ snap/code/ 25$ if [[ -d $SNAP_USER_ DATA/.cache && ! -e $XDG_CACHE_HOME ]]; then DATA/.cache $SNAP_USER_COMMON/ umbar:/ snap/code/ 25$ mkdir -p $XDG_CACHE_HOME umbar:/ snap/code/ 25$ umbar:/ snap/code/ 25$ # Gdk-pixbuf loaders umbar:/ snap/code/ 25$ export GDK_PIXBUF_ MODULE_ FILE=$XDG_ CACHE_HOME/ gdk-pixbuf- loaders. cache umbar:/ snap/code/ 25$ export GDK_PIXBUF_ MODULEDIR= $SNAP/usr/ lib/$ARCH/ gdk-pixbuf- 2.0/2.10. 0/loaders umbar:/ snap/code/ 25$ if [ -f $SNAP/usr/ lib/$ARCH/ gdk-pixbuf- 2.0/gdk- pixbuf- query-loaders ]; then lib/$ARCH/ gdk-pixbuf- 2.0/gdk- pixbuf- query-loaders > $GDK_PIXBUF_ MODULE_ FILE umbar:/ snap/code/ 25$ firefox r::GenerateDump cloned child 570327 r::SendContinue SignalToChild sent continue signal to child r::WaitForConti nueSignal waiting for continue signal... umbar:/ snap/code/ 25$ unset GDK_PIXBUF_ MODULE_ FILE umbar:/ snap/code/ 25$ unset GDK_PIXBUF_ MODULEDIR umbar:/ snap/code/ 25$ firefox
sergiusens@
> ARCH="x86_
> elif [ "$SNAP_ARCH" == "armhf" ]; then
> ARCH="arm-
> elif [ "$SNAP_ARCH" == "arm64" ]; then
> ARCH="aarch64-
> else
> ARCH="$
> fi
sergiusens@
sergiusens@
sergiusens@
> # the .cache directory used to be stored under $SNAP_USER_DATA, migrate it
> mv $SNAP_USER_
> fi
sergiusens@
sergiusens@
sergiusens@
sergiusens@
sergiusens@
sergiusens@
> $SNAP/usr/
> fi
sergiusens@
ExceptionHandle
ExceptionHandle
ExceptionHandle
sergiusens@
sergiusens@
sergiusens@
###!!! [Child] [MessageChannel ] Error: (msgtype= 0x370135, name=PContent: :Msg_DetachBrow singContext) Closed channel: cannot send/recv
As you can see, env exported gets a crash, next, after unsetting, everything is fine.