Anybody got tips for making custom signatures work? I'm trying to rescue Unreal Engine game save files off an EXT4 drive where the containing directory was deleted. I put the `sav 0 "GVAS"` (GVAS is the UE save magic value) in my `.photorec.sig`. `fidentify` correctly works on reference UE saves I have. Grepping the raw partition device finds many hits for GVAS, but photorec runs and doesn't recover any files...

[1] https://www.cgsecurity.org/testdisk_doc/photorec_custom_sign...