Code:
/mnt/onboard/.niluje/usbnet/bin/lsof +c0 | grep koreader
zsh 2777 root cwd DIR 179,3 4096 18985 /mnt/onboard/.custom/koreader
koreader.sh 2963 root cwd DIR 179,3 4096 18985 /mnt/onboard/.custom/koreader
koreader.sh 2963 root rtd DIR 179,1 1024 2 /
koreader.sh 2963 root txt REG 179,1 535840 34368 /bin/busybox
koreader.sh 2963 root mem REG 179,1 97580 934 /lib/ld-2.11.1.so
koreader.sh 2963 root mem REG 179,1 398928 947 /lib/libm-2.11.1.so
koreader.sh 2963 root mem REG 179,1 881932 752 /lib/libc-2.11.1.so
koreader.sh 2963 root 0u CHR 136,0 0t0 3 /dev/pts/0
koreader.sh 2963 root 1u CHR 136,0 0t0 3 /dev/pts/0
koreader.sh 2963 root 2w REG 179,3 0 19640 /mnt/onboard/.custom/koreader/crash.log
koreader.sh 2963 root 10r REG 179,3 3045 19440 /mnt/onboard/.custom/koreader/koreader.sh
koreader.sh 2963 root 11u CHR 136,0 0t0 3 /dev/pts/0
reader.lua 2996 root cwd DIR 179,3 4096 18985 /mnt/onboard/.custom/koreader
reader.lua 2996 root txt REG 179,3 427528 19566 /mnt/onboard/.custom/koreader/luajit
reader.lua 2996 root mem REG 179,3 10616 19626 /mnt/onboard/.custom/koreader/libs/libkoreader-lfs.so
reader.lua 2996 root mem REG 179,3 11936 19634 /mnt/onboard/.custom/koreader/libs/libkoreader-input.so
reader.lua 2996 root mem REG 179,3 453688 19629 /mnt/onboard/.custom/koreader/libs/libfreetype.so.6
reader.lua 2996 root mem REG 179,3 3520284 19619 /mnt/onboard/.custom/koreader/libs/libmupdf.so
reader.lua 2996 root mem REG 179,3 245752 19633 /mnt/onboard/.custom/koreader/libs/libjpeg.so.8
reader.lua 2996 root mem REG 179,3 9296 19617 /mnt/onboard/.custom/koreader/libs/libwrap-mupdf.so
reader.lua 2996 root mem REG 179,3 305800 19603 /mnt/onboard/.custom/koreader/fonts/noto/NotoSans-Regular.ttf
reader.lua 2996 root mem REG 179,3 119380 19572 /mnt/onboard/.custom/koreader/fonts/droid/DroidSansMono.ttf
reader.lua 2996 root mem REG 179,3 310484 19600 /mnt/onboard/.custom/koreader/fonts/noto/NotoSans-Bold.ttf
reader.lua 2996 root mem REG 179,3 19704 19506 /mnt/onboard/.custom/koreader/common/serialize.so
reader.lua 2996 root mem REG 179,3 10284 19508 /mnt/onboard/.custom/koreader/common/libluacompat52.so
reader.lua 2996 root mem REG 179,3 27816 19513 /mnt/onboard/.custom/koreader/common/socket/score.so
reader.lua 2996 root 2w REG 179,3 0 19640 /mnt/onboard/.custom/koreader/crash.log
wpa_supplicant 3046 root mem REG 179,3 290016 19623 /mnt/onboard/.custom/koreader/libs/libssl.so.1.0.0
wpa_supplicant 3046 root mem REG 179,3 1258480 19627 /mnt/onboard/.custom/koreader/libs/libcrypto.so.1.0.0
default.script 3052 root cwd DIR 179,3 4096 18985 /mnt/onboard/.custom/koreader
default.script 3057 root cwd DIR 179,3 4096 18985 /mnt/onboard/.custom/koreader
That's much better

.
That does leave our own OpenSSL lib being used instead of the system's though...
I'll check if that can be arrranged.
That, and the CWD.