/usr/share/icons/mate/scalable/devices/ is in mate-icon-theme 1.20.0-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/icons/mate/scalable/devices/ac-adapter-symbolic.svg
/usr/share/icons/mate/scalable/devices/audio-card-symbolic.svg
/usr/share/icons/mate/scalable/devices/audio-headphones-symbolic.svg
/usr/share/icons/mate/scalable/devices/audio-headset-symbolic.svg
/usr/share/icons/mate/scalable/devices/audio-input-microphone-symbolic.svg
/usr/share/icons/mate/scalable/devices/audio-speakers-symbolic.svg
/usr/share/icons/mate/scalable/devices/battery-symbolic.svg
/usr/share/icons/mate/scalable/devices/camera-photo-symbolic.svg
/usr/share/icons/mate/scalable/devices/camera-video-symbolic.svg
/usr/share/icons/mate/scalable/devices/camera-web-symbolic.svg
/usr/share/icons/mate/scalable/devices/colorimeter-colorhug-symbolic.svg
/usr/share/icons/mate/scalable/devices/computer-apple-ipad-symbolic.svg
/usr/share/icons/mate/scalable/devices/computer-symbolic.svg
/usr/share/icons/mate/scalable/devices/display-projector-symbolic.svg
/usr/share/icons/mate/scalable/devices/drive-harddisk-ieee1394-symbolic.svg
/usr/share/icons/mate/scalable/devices/drive-harddisk-solidstate-symbolic.svg
/usr/share/icons/mate/scalable/devices/drive-harddisk-symbolic.svg
/usr/share/icons/mate/scalable/devices/drive-harddisk-system-symbolic.svg
/usr/share/icons/mate/scalable/devices/drive-harddisk-usb-symbolic.svg
/usr/share/icons/mate/scalable/devices/drive-multidisk-symbolic.svg
/usr/share/icons/mate/scalable/devices/drive-optical-symbolic.svg
/usr/share/icons/mate/scalable/devices/drive-removable-media-symbolic.svg
/usr/share/icons/mate/scalable/devices/headphones-symbolic.svg
/usr/share/icons/mate/scalable/devices/input-dialpad-symbolic.svg
/usr/share/icons/mate/scalable/devices/input-gaming-symbolic.svg
/usr/share/icons/mate/scalable/devices/input-keyboard-symbolic.svg
/usr/share/icons/mate/scalable/devices/input-mouse-symbolic.svg
/usr/share/icons/mate/scalable/devices/input-tablet-symbolic.svg
/usr/share/icons/mate/scalable/devices/input-touchpad-symbolic.svg
/usr/share/icons/mate/scalable/devices/media-flash-symbolic.svg
/usr/share/icons/mate/scalable/devices/media-floppy-symbolic.svg
/usr/share/icons/mate/scalable/devices/media-optical-bd-symbolic.svg
/usr/share/icons/mate/scalable/devices/media-optical-cd-audio-symbolic.svg
/usr/share/icons/mate/scalable/devices/media-optical-dvd-symbolic.svg
/usr/share/icons/mate/scalable/devices/media-optical-symbolic.svg
/usr/share/icons/mate/scalable/devices/media-removable-symbolic.svg
/usr/share/icons/mate/scalable/devices/media-tape-symbolic.svg
/usr/share/icons/mate/scalable/devices/media-zip-symbolic.svg
/usr/share/icons/mate/scalable/devices/modem-symbolic.svg
/usr/share/icons/mate/scalable/devices/multimedia-player-apple-ipod-touch-symbolic.svg
/usr/share/icons/mate/scalable/devices/multimedia-player-symbolic.svg
/usr/share/icons/mate/scalable/devices/network-wired-symbolic.svg
/usr/share/icons/mate/scalable/devices/network-wireless-symbolic.svg
/usr/share/icons/mate/scalable/devices/pda-symbolic.svg
/usr/share/icons/mate/scalable/devices/phone-apple-iphone-symbolic.svg
/usr/share/icons/mate/scalable/devices/phone-symbolic.svg
/usr/share/icons/mate/scalable/devices/printer-network-symbolic.svg
/usr/share/icons/mate/scalable/devices/printer-symbolic.svg
/usr/share/icons/mate/scalable/devices/scanner-symbolic.svg
/usr/share/icons/mate/scalable/devices/tv-symbolic.svg
/usr/share/icons/mate/scalable/devices/uninterruptible-power-supply-symbolic.svg
/usr/share/icons/mate/scalable/devices/video-display-symbolic.svg